diff --git a/docs/GLOSSARY.html b/docs/GLOSSARY.html
index a4ef59736..a20c9f9cc 100644
--- a/docs/GLOSSARY.html
+++ b/docs/GLOSSARY.html
@@ -359,7 +359,7 @@
     <script>
         var gitbook = gitbook || [];
         gitbook.push(function() {
-            gitbook.page.hasChanged({"page":{"dir":"neutral"},"config":{"plugins":["include-codeblock","insert-logo-link","mermaid-gb3","-highlight","sunlight-highlighter"],"root":"docs","styles":{"website":"styles/website.css"},"pluginsConfig":{"insert-logo-link":{"src":"/common/logo.png","url":"https://polkadot.js.org"},"search":{},"lunr":{"maxIndexSize":1000000,"ignoreSpecialCharacters":false},"fontsettings":{"theme":"white","family":"sans","size":2},"mermaid-gb3":{},"include-codeblock":{"check":false,"edit":false,"lang":"","fixlang":false,"template":"default","theme":"chrome","unindent":false},"sharing":{"facebook":true,"twitter":true,"google":false,"weibo":false,"instapaper":false,"vk":false,"all":["facebook","google","twitter","weibo","instapaper"]},"theme-default":{"styles":{"website":"styles/website.css","pdf":"styles/pdf.css","epub":"styles/epub.css","mobi":"styles/mobi.css","ebook":"styles/ebook.css","print":"styles/print.css"},"showLevel":false},"sunlight-highlighter":{"theme":"gitbook","lineNumbers":false}},"theme":"default","pdf":{"pageNumbers":true,"fontSize":12,"fontFamily":"Arial","paperSize":"a4","chapterMark":"pagebreak","pageBreaksBefore":"/","margin":{"right":62,"left":62,"top":56,"bottom":56}},"structure":{"langs":"LANGS.md","readme":"README.md","glossary":"GLOSSARY.md","summary":"SUMMARY.md"},"variables":{},"title":"Polkadot Common Book","gitbook":">=2.4.0"},"file":{"path":"GLOSSARY.md","mtime":"2019-02-15T07:36:09.241Z","type":"markdown"},"gitbook":{"version":"3.2.3","time":"2019-02-15T07:40:18.117Z"},"basePath":".","book":{"language":""}});
+            gitbook.page.hasChanged({"page":{"dir":"neutral"},"config":{"plugins":["include-codeblock","insert-logo-link","mermaid-gb3","-highlight","sunlight-highlighter"],"root":"docs","styles":{"website":"styles/website.css"},"pluginsConfig":{"insert-logo-link":{"src":"/common/logo.png","url":"https://polkadot.js.org"},"search":{},"lunr":{"maxIndexSize":1000000,"ignoreSpecialCharacters":false},"fontsettings":{"theme":"white","family":"sans","size":2},"mermaid-gb3":{},"include-codeblock":{"check":false,"edit":false,"lang":"","fixlang":false,"template":"default","theme":"chrome","unindent":false},"sharing":{"facebook":true,"twitter":true,"google":false,"weibo":false,"instapaper":false,"vk":false,"all":["facebook","google","twitter","weibo","instapaper"]},"theme-default":{"styles":{"website":"styles/website.css","pdf":"styles/pdf.css","epub":"styles/epub.css","mobi":"styles/mobi.css","ebook":"styles/ebook.css","print":"styles/print.css"},"showLevel":false},"sunlight-highlighter":{"theme":"gitbook","lineNumbers":false}},"theme":"default","pdf":{"pageNumbers":true,"fontSize":12,"fontFamily":"Arial","paperSize":"a4","chapterMark":"pagebreak","pageBreaksBefore":"/","margin":{"right":62,"left":62,"top":56,"bottom":56}},"structure":{"langs":"LANGS.md","readme":"README.md","glossary":"GLOSSARY.md","summary":"SUMMARY.md"},"variables":{},"title":"Polkadot Common Book","gitbook":">=2.4.0"},"file":{"path":"GLOSSARY.md","mtime":"2019-02-15T08:34:46.408Z","type":"markdown"},"gitbook":{"version":"3.2.3","time":"2019-02-15T08:39:01.754Z"},"basePath":".","book":{"language":""}});
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diff --git a/docs/chainspec/modules/_types_.md b/docs/chainspec/modules/_types_.md
index 08b12cd51..081ee5060 100644
--- a/docs/chainspec/modules/_types_.md
+++ b/docs/chainspec/modules/_types_.md
@@ -8,7 +8,7 @@
 
 **Ƭ Chainspec**: *`object`*
 
-*Defined in [types.ts:5](https://github.com/polkadot-js/common/blob/49b0c84/packages/chainspec/src/types.ts#L5)*
+*Defined in [types.ts:5](https://github.com/polkadot-js/common/blob/8513530/packages/chainspec/src/types.ts#L5)*
 
 #### Type declaration
 
diff --git a/docs/db/classes/_disk_.diskdb.md b/docs/db/classes/_disk_.diskdb.md
index da92d48aa..9c8a34eae 100644
--- a/docs/db/classes/_disk_.diskdb.md
+++ b/docs/db/classes/_disk_.diskdb.md
@@ -74,7 +74,7 @@ diskDb.close();
 
 *Overrides [TransactionDb](_engines_transactiondb_.transactiondb.md).[constructor](_engines_transactiondb_.transactiondb.md#constructor)*
 
-*Defined in [Disk.ts:66](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/Disk.ts#L66)*
+*Defined in [Disk.ts:66](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/Disk.ts#L66)*
 
 **Parameters:**
 
@@ -100,7 +100,7 @@ ___
 
 *Inherited from [TransactionDb](_engines_transactiondb_.transactiondb.md).[close](_engines_transactiondb_.transactiondb.md#close)*
 
-*Defined in [engines/TransactionDb.ts:51](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/TransactionDb.ts#L51)*
+*Defined in [engines/TransactionDb.ts:51](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/TransactionDb.ts#L51)*
 
 **Returns:** `void`
 
@@ -115,7 +115,7 @@ ___
 
 *Inherited from [TransactionDb](_engines_transactiondb_.transactiondb.md).[del](_engines_transactiondb_.transactiondb.md#del)*
 
-*Defined in [engines/TransactionDb.ts:81](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/TransactionDb.ts#L81)*
+*Defined in [engines/TransactionDb.ts:81](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/TransactionDb.ts#L81)*
 
 **Parameters:**
 
@@ -136,7 +136,7 @@ ___
 
 *Inherited from [TransactionDb](_engines_transactiondb_.transactiondb.md).[drop](_engines_transactiondb_.transactiondb.md#drop)*
 
-*Defined in [engines/TransactionDb.ts:59](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/TransactionDb.ts#L59)*
+*Defined in [engines/TransactionDb.ts:59](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/TransactionDb.ts#L59)*
 
 **Returns:** `void`
 
@@ -151,7 +151,7 @@ ___
 
 *Inherited from [TransactionDb](_engines_transactiondb_.transactiondb.md).[empty](_engines_transactiondb_.transactiondb.md#empty)*
 
-*Defined in [engines/TransactionDb.ts:63](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/TransactionDb.ts#L63)*
+*Defined in [engines/TransactionDb.ts:63](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/TransactionDb.ts#L63)*
 
 **Returns:** `void`
 
@@ -166,7 +166,7 @@ ___
 
 *Inherited from [TransactionDb](_engines_transactiondb_.transactiondb.md).[get](_engines_transactiondb_.transactiondb.md#get)*
 
-*Defined in [engines/TransactionDb.ts:93](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/TransactionDb.ts#L93)*
+*Defined in [engines/TransactionDb.ts:93](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/TransactionDb.ts#L93)*
 
 **Parameters:**
 
@@ -187,7 +187,7 @@ ___
 
 *Inherited from [TransactionDb](_engines_transactiondb_.transactiondb.md).[maintain](_engines_transactiondb_.transactiondb.md#maintain)*
 
-*Defined in [engines/TransactionDb.ts:71](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/TransactionDb.ts#L71)*
+*Defined in [engines/TransactionDb.ts:71](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/TransactionDb.ts#L71)*
 
 **Parameters:**
 
@@ -208,7 +208,7 @@ ___
 
 *Inherited from [TransactionDb](_engines_transactiondb_.transactiondb.md).[open](_engines_transactiondb_.transactiondb.md#open)*
 
-*Defined in [engines/TransactionDb.ts:55](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/TransactionDb.ts#L55)*
+*Defined in [engines/TransactionDb.ts:55](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/TransactionDb.ts#L55)*
 
 **Returns:** `void`
 
@@ -223,7 +223,7 @@ ___
 
 *Inherited from [TransactionDb](_engines_transactiondb_.transactiondb.md).[put](_engines_transactiondb_.transactiondb.md#put)*
 
-*Defined in [engines/TransactionDb.ts:107](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/TransactionDb.ts#L107)*
+*Defined in [engines/TransactionDb.ts:107](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/TransactionDb.ts#L107)*
 
 **Parameters:**
 
@@ -245,7 +245,7 @@ ___
 
 *Inherited from [TransactionDb](_engines_transactiondb_.transactiondb.md).[rename](_engines_transactiondb_.transactiondb.md#rename)*
 
-*Defined in [engines/TransactionDb.ts:67](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/TransactionDb.ts#L67)*
+*Defined in [engines/TransactionDb.ts:67](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/TransactionDb.ts#L67)*
 
 **Parameters:**
 
@@ -267,7 +267,7 @@ ___
 
 *Inherited from [TransactionDb](_engines_transactiondb_.transactiondb.md).[size](_engines_transactiondb_.transactiondb.md#size)*
 
-*Defined in [engines/TransactionDb.ts:77](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/TransactionDb.ts#L77)*
+*Defined in [engines/TransactionDb.ts:77](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/TransactionDb.ts#L77)*
 
 **Returns:** `number`
 
@@ -280,7 +280,7 @@ ___
 
 *Inherited from [TransactionDb](_engines_transactiondb_.transactiondb.md).[transaction](_engines_transactiondb_.transactiondb.md#transaction)*
 
-*Defined in [engines/TransactionDb.ts:29](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/TransactionDb.ts#L29)*
+*Defined in [engines/TransactionDb.ts:29](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/TransactionDb.ts#L29)*
 
 **Parameters:**
 
diff --git a/docs/db/classes/_engines_filetreedb_.filetreedb.md b/docs/db/classes/_engines_filetreedb_.filetreedb.md
index 8e516a94d..fd6cd1450 100644
--- a/docs/db/classes/_engines_filetreedb_.filetreedb.md
+++ b/docs/db/classes/_engines_filetreedb_.filetreedb.md
@@ -16,7 +16,7 @@
 
 ⊕ **new FileTreeDb**(location: *`string`*): [FileTreeDb](_engines_filetreedb_.filetreedb.md)
 
-*Defined in [engines/FileTreeDb.ts:21](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/FileTreeDb.ts#L21)*
+*Defined in [engines/FileTreeDb.ts:21](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/FileTreeDb.ts#L21)*
 
 **Parameters:**
 
@@ -36,7 +36,7 @@ ___
 
 **● _location**: *`string`*
 
-*Defined in [engines/FileTreeDb.ts:21](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/FileTreeDb.ts#L21)*
+*Defined in [engines/FileTreeDb.ts:21](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/FileTreeDb.ts#L21)*
 
 ___
 
@@ -50,7 +50,7 @@ ___
 
 *Implementation of [BaseDb](../interfaces/_types_.basedb.md).[close](../interfaces/_types_.basedb.md#close)*
 
-*Defined in [engines/FileTreeDb.ts:46](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/FileTreeDb.ts#L46)*
+*Defined in [engines/FileTreeDb.ts:46](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/FileTreeDb.ts#L46)*
 
 **Returns:** `void`
 
@@ -63,7 +63,7 @@ ___
 
 *Implementation of [BaseDb](../interfaces/_types_.basedb.md).[del](../interfaces/_types_.basedb.md#del)*
 
-*Defined in [engines/FileTreeDb.ts:76](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/FileTreeDb.ts#L76)*
+*Defined in [engines/FileTreeDb.ts:76](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/FileTreeDb.ts#L76)*
 
 **Parameters:**
 
@@ -82,7 +82,7 @@ ___
 
 *Implementation of [BaseDb](../interfaces/_types_.basedb.md).[drop](../interfaces/_types_.basedb.md#drop)*
 
-*Defined in [engines/FileTreeDb.ts:50](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/FileTreeDb.ts#L50)*
+*Defined in [engines/FileTreeDb.ts:50](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/FileTreeDb.ts#L50)*
 
 **Returns:** `void`
 
@@ -95,7 +95,7 @@ ___
 
 *Implementation of [BaseDb](../interfaces/_types_.basedb.md).[empty](../interfaces/_types_.basedb.md#empty)*
 
-*Defined in [engines/FileTreeDb.ts:54](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/FileTreeDb.ts#L54)*
+*Defined in [engines/FileTreeDb.ts:54](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/FileTreeDb.ts#L54)*
 
 **Returns:** `void`
 
@@ -108,7 +108,7 @@ ___
 
 *Implementation of [BaseDb](../interfaces/_types_.basedb.md).[get](../interfaces/_types_.basedb.md#get)*
 
-*Defined in [engines/FileTreeDb.ts:86](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/FileTreeDb.ts#L86)*
+*Defined in [engines/FileTreeDb.ts:86](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/FileTreeDb.ts#L86)*
 
 **Parameters:**
 
@@ -127,7 +127,7 @@ ___
 
 *Implementation of [BaseDb](../interfaces/_types_.basedb.md).[maintain](../interfaces/_types_.basedb.md#maintain)*
 
-*Defined in [engines/FileTreeDb.ts:68](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/FileTreeDb.ts#L68)*
+*Defined in [engines/FileTreeDb.ts:68](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/FileTreeDb.ts#L68)*
 
 **Parameters:**
 
@@ -146,7 +146,7 @@ ___
 
 *Implementation of [BaseDb](../interfaces/_types_.basedb.md).[open](../interfaces/_types_.basedb.md#open)*
 
-*Defined in [engines/FileTreeDb.ts:42](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/FileTreeDb.ts#L42)*
+*Defined in [engines/FileTreeDb.ts:42](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/FileTreeDb.ts#L42)*
 
 **Returns:** `void`
 
@@ -159,7 +159,7 @@ ___
 
 *Implementation of [BaseDb](../interfaces/_types_.basedb.md).[put](../interfaces/_types_.basedb.md#put)*
 
-*Defined in [engines/FileTreeDb.ts:100](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/FileTreeDb.ts#L100)*
+*Defined in [engines/FileTreeDb.ts:100](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/FileTreeDb.ts#L100)*
 
 **Parameters:**
 
@@ -179,7 +179,7 @@ ___
 
 *Implementation of [BaseDb](../interfaces/_types_.basedb.md).[rename](../interfaces/_types_.basedb.md#rename)*
 
-*Defined in [engines/FileTreeDb.ts:58](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/FileTreeDb.ts#L58)*
+*Defined in [engines/FileTreeDb.ts:58](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/FileTreeDb.ts#L58)*
 
 **Parameters:**
 
@@ -199,7 +199,7 @@ ___
 
 *Implementation of [BaseDb](../interfaces/_types_.basedb.md).[size](../interfaces/_types_.basedb.md#size)*
 
-*Defined in [engines/FileTreeDb.ts:62](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/FileTreeDb.ts#L62)*
+*Defined in [engines/FileTreeDb.ts:62](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/FileTreeDb.ts#L62)*
 
 **Returns:** `number`
 
diff --git a/docs/db/classes/_engines_lrudb_.lrudb.md b/docs/db/classes/_engines_lrudb_.lrudb.md
index d148d4e08..6b843c991 100644
--- a/docs/db/classes/_engines_lrudb_.lrudb.md
+++ b/docs/db/classes/_engines_lrudb_.lrudb.md
@@ -16,7 +16,7 @@
 
 ⊕ **new LruDb**(backing: *[BaseDb](../interfaces/_types_.basedb.md)*, itemCount?: *`number`*): [LruDb](_engines_lrudb_.lrudb.md)
 
-*Defined in [engines/LruDb.ts:20](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/LruDb.ts#L20)*
+*Defined in [engines/LruDb.ts:20](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/LruDb.ts#L20)*
 
 **Parameters:**
 
@@ -37,7 +37,7 @@ ___
 
 ▸ **_getLru**(key: *`Uint8Array`*): `CachedValue` | `undefined`
 
-*Defined in [engines/LruDb.ts:87](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/LruDb.ts#L87)*
+*Defined in [engines/LruDb.ts:87](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/LruDb.ts#L87)*
 
 **Parameters:**
 
@@ -56,7 +56,7 @@ ___
 
 *Implementation of [BaseDb](../interfaces/_types_.basedb.md).[close](../interfaces/_types_.basedb.md#close)*
 
-*Defined in [engines/LruDb.ts:27](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/LruDb.ts#L27)*
+*Defined in [engines/LruDb.ts:27](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/LruDb.ts#L27)*
 
 **Returns:** `void`
 
@@ -69,7 +69,7 @@ ___
 
 *Implementation of [BaseDb](../interfaces/_types_.basedb.md).[del](../interfaces/_types_.basedb.md#del)*
 
-*Defined in [engines/LruDb.ts:64](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/LruDb.ts#L64)*
+*Defined in [engines/LruDb.ts:64](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/LruDb.ts#L64)*
 
 **Parameters:**
 
@@ -88,7 +88,7 @@ ___
 
 *Implementation of [BaseDb](../interfaces/_types_.basedb.md).[drop](../interfaces/_types_.basedb.md#drop)*
 
-*Defined in [engines/LruDb.ts:41](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/LruDb.ts#L41)*
+*Defined in [engines/LruDb.ts:41](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/LruDb.ts#L41)*
 
 **Returns:** `void`
 
@@ -101,7 +101,7 @@ ___
 
 *Implementation of [BaseDb](../interfaces/_types_.basedb.md).[empty](../interfaces/_types_.basedb.md#empty)*
 
-*Defined in [engines/LruDb.ts:45](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/LruDb.ts#L45)*
+*Defined in [engines/LruDb.ts:45](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/LruDb.ts#L45)*
 
 **Returns:** `void`
 
@@ -114,7 +114,7 @@ ___
 
 *Implementation of [BaseDb](../interfaces/_types_.basedb.md).[get](../interfaces/_types_.basedb.md#get)*
 
-*Defined in [engines/LruDb.ts:71](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/LruDb.ts#L71)*
+*Defined in [engines/LruDb.ts:71](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/LruDb.ts#L71)*
 
 **Parameters:**
 
@@ -133,7 +133,7 @@ ___
 
 *Implementation of [BaseDb](../interfaces/_types_.basedb.md).[maintain](../interfaces/_types_.basedb.md#maintain)*
 
-*Defined in [engines/LruDb.ts:56](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/LruDb.ts#L56)*
+*Defined in [engines/LruDb.ts:56](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/LruDb.ts#L56)*
 
 **Parameters:**
 
@@ -152,7 +152,7 @@ ___
 
 *Implementation of [BaseDb](../interfaces/_types_.basedb.md).[open](../interfaces/_types_.basedb.md#open)*
 
-*Defined in [engines/LruDb.ts:34](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/LruDb.ts#L34)*
+*Defined in [engines/LruDb.ts:34](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/LruDb.ts#L34)*
 
 **Returns:** `void`
 
@@ -165,7 +165,7 @@ ___
 
 *Implementation of [BaseDb](../interfaces/_types_.basedb.md).[put](../interfaces/_types_.basedb.md#put)*
 
-*Defined in [engines/LruDb.ts:91](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/LruDb.ts#L91)*
+*Defined in [engines/LruDb.ts:91](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/LruDb.ts#L91)*
 
 **Parameters:**
 
@@ -185,7 +185,7 @@ ___
 
 *Implementation of [BaseDb](../interfaces/_types_.basedb.md).[rename](../interfaces/_types_.basedb.md#rename)*
 
-*Defined in [engines/LruDb.ts:52](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/LruDb.ts#L52)*
+*Defined in [engines/LruDb.ts:52](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/LruDb.ts#L52)*
 
 **Parameters:**
 
@@ -205,7 +205,7 @@ ___
 
 *Implementation of [BaseDb](../interfaces/_types_.basedb.md).[size](../interfaces/_types_.basedb.md#size)*
 
-*Defined in [engines/LruDb.ts:60](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/LruDb.ts#L60)*
+*Defined in [engines/LruDb.ts:60](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/LruDb.ts#L60)*
 
 **Returns:** `number`
 
diff --git a/docs/db/classes/_engines_memorydb_.memorydb.md b/docs/db/classes/_engines_memorydb_.memorydb.md
index c17ee21a1..01fe7ffb3 100644
--- a/docs/db/classes/_engines_memorydb_.memorydb.md
+++ b/docs/db/classes/_engines_memorydb_.memorydb.md
@@ -16,7 +16,7 @@
 
 ⊕ **new MemoryDb**(options?: *[BaseDbOptions](../modules/_types_.md#basedboptions)*): [MemoryDb](_engines_memorydb_.memorydb.md)
 
-*Defined in [engines/MemoryDb.ts:16](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/MemoryDb.ts#L16)*
+*Defined in [engines/MemoryDb.ts:16](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/MemoryDb.ts#L16)*
 
 **Parameters:**
 
@@ -38,7 +38,7 @@ ___
 
 *Implementation of [BaseDb](../interfaces/_types_.basedb.md).[close](../interfaces/_types_.basedb.md#close)*
 
-*Defined in [engines/MemoryDb.ts:22](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/MemoryDb.ts#L22)*
+*Defined in [engines/MemoryDb.ts:22](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/MemoryDb.ts#L22)*
 
 **Returns:** `void`
 
@@ -51,7 +51,7 @@ ___
 
 *Implementation of [BaseDb](../interfaces/_types_.basedb.md).[del](../interfaces/_types_.basedb.md#del)*
 
-*Defined in [engines/MemoryDb.ts:56](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/MemoryDb.ts#L56)*
+*Defined in [engines/MemoryDb.ts:56](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/MemoryDb.ts#L56)*
 
 **Parameters:**
 
@@ -70,7 +70,7 @@ ___
 
 *Implementation of [BaseDb](../interfaces/_types_.basedb.md).[drop](../interfaces/_types_.basedb.md#drop)*
 
-*Defined in [engines/MemoryDb.ts:30](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/MemoryDb.ts#L30)*
+*Defined in [engines/MemoryDb.ts:30](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/MemoryDb.ts#L30)*
 
 **Returns:** `void`
 
@@ -83,7 +83,7 @@ ___
 
 *Implementation of [BaseDb](../interfaces/_types_.basedb.md).[empty](../interfaces/_types_.basedb.md#empty)*
 
-*Defined in [engines/MemoryDb.ts:34](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/MemoryDb.ts#L34)*
+*Defined in [engines/MemoryDb.ts:34](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/MemoryDb.ts#L34)*
 
 **Returns:** `void`
 
@@ -96,7 +96,7 @@ ___
 
 *Implementation of [BaseDb](../interfaces/_types_.basedb.md).[get](../interfaces/_types_.basedb.md#get)*
 
-*Defined in [engines/MemoryDb.ts:62](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/MemoryDb.ts#L62)*
+*Defined in [engines/MemoryDb.ts:62](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/MemoryDb.ts#L62)*
 
 **Parameters:**
 
@@ -115,7 +115,7 @@ ___
 
 *Implementation of [BaseDb](../interfaces/_types_.basedb.md).[maintain](../interfaces/_types_.basedb.md#maintain)*
 
-*Defined in [engines/MemoryDb.ts:42](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/MemoryDb.ts#L42)*
+*Defined in [engines/MemoryDb.ts:42](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/MemoryDb.ts#L42)*
 
 **Parameters:**
 
@@ -134,7 +134,7 @@ ___
 
 *Implementation of [BaseDb](../interfaces/_types_.basedb.md).[open](../interfaces/_types_.basedb.md#open)*
 
-*Defined in [engines/MemoryDb.ts:26](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/MemoryDb.ts#L26)*
+*Defined in [engines/MemoryDb.ts:26](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/MemoryDb.ts#L26)*
 
 **Returns:** `void`
 
@@ -147,7 +147,7 @@ ___
 
 *Implementation of [BaseDb](../interfaces/_types_.basedb.md).[put](../interfaces/_types_.basedb.md#put)*
 
-*Defined in [engines/MemoryDb.ts:68](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/MemoryDb.ts#L68)*
+*Defined in [engines/MemoryDb.ts:68](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/MemoryDb.ts#L68)*
 
 **Parameters:**
 
@@ -167,7 +167,7 @@ ___
 
 *Implementation of [BaseDb](../interfaces/_types_.basedb.md).[rename](../interfaces/_types_.basedb.md#rename)*
 
-*Defined in [engines/MemoryDb.ts:38](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/MemoryDb.ts#L38)*
+*Defined in [engines/MemoryDb.ts:38](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/MemoryDb.ts#L38)*
 
 **Parameters:**
 
@@ -187,7 +187,7 @@ ___
 
 *Implementation of [BaseDb](../interfaces/_types_.basedb.md).[size](../interfaces/_types_.basedb.md#size)*
 
-*Defined in [engines/MemoryDb.ts:50](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/MemoryDb.ts#L50)*
+*Defined in [engines/MemoryDb.ts:50](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/MemoryDb.ts#L50)*
 
 **Returns:** `number`
 
diff --git a/docs/db/classes/_engines_transactiondb_.transactiondb.md b/docs/db/classes/_engines_transactiondb_.transactiondb.md
index 0721dbd3b..f49caa497 100644
--- a/docs/db/classes/_engines_transactiondb_.transactiondb.md
+++ b/docs/db/classes/_engines_transactiondb_.transactiondb.md
@@ -20,7 +20,7 @@
 
 ⊕ **new TransactionDb**(backing: *[BaseDb](../interfaces/_types_.basedb.md)*): [TransactionDb](_engines_transactiondb_.transactiondb.md)
 
-*Defined in [engines/TransactionDb.ts:21](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/TransactionDb.ts#L21)*
+*Defined in [engines/TransactionDb.ts:21](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/TransactionDb.ts#L21)*
 
 **Parameters:**
 
@@ -42,7 +42,7 @@ ___
 
 *Implementation of [TxDb](../interfaces/_types_.txdb.md).[close](../interfaces/_types_.txdb.md#close)*
 
-*Defined in [engines/TransactionDb.ts:51](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/TransactionDb.ts#L51)*
+*Defined in [engines/TransactionDb.ts:51](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/TransactionDb.ts#L51)*
 
 **Returns:** `void`
 
@@ -55,7 +55,7 @@ ___
 
 *Implementation of [TxDb](../interfaces/_types_.txdb.md).[del](../interfaces/_types_.txdb.md#del)*
 
-*Defined in [engines/TransactionDb.ts:81](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/TransactionDb.ts#L81)*
+*Defined in [engines/TransactionDb.ts:81](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/TransactionDb.ts#L81)*
 
 **Parameters:**
 
@@ -74,7 +74,7 @@ ___
 
 *Implementation of [TxDb](../interfaces/_types_.txdb.md).[drop](../interfaces/_types_.txdb.md#drop)*
 
-*Defined in [engines/TransactionDb.ts:59](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/TransactionDb.ts#L59)*
+*Defined in [engines/TransactionDb.ts:59](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/TransactionDb.ts#L59)*
 
 **Returns:** `void`
 
@@ -87,7 +87,7 @@ ___
 
 *Implementation of [TxDb](../interfaces/_types_.txdb.md).[empty](../interfaces/_types_.txdb.md#empty)*
 
-*Defined in [engines/TransactionDb.ts:63](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/TransactionDb.ts#L63)*
+*Defined in [engines/TransactionDb.ts:63](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/TransactionDb.ts#L63)*
 
 **Returns:** `void`
 
@@ -100,7 +100,7 @@ ___
 
 *Implementation of [TxDb](../interfaces/_types_.txdb.md).[get](../interfaces/_types_.txdb.md#get)*
 
-*Defined in [engines/TransactionDb.ts:93](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/TransactionDb.ts#L93)*
+*Defined in [engines/TransactionDb.ts:93](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/TransactionDb.ts#L93)*
 
 **Parameters:**
 
@@ -119,7 +119,7 @@ ___
 
 *Implementation of [TxDb](../interfaces/_types_.txdb.md).[maintain](../interfaces/_types_.txdb.md#maintain)*
 
-*Defined in [engines/TransactionDb.ts:71](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/TransactionDb.ts#L71)*
+*Defined in [engines/TransactionDb.ts:71](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/TransactionDb.ts#L71)*
 
 **Parameters:**
 
@@ -138,7 +138,7 @@ ___
 
 *Implementation of [TxDb](../interfaces/_types_.txdb.md).[open](../interfaces/_types_.txdb.md#open)*
 
-*Defined in [engines/TransactionDb.ts:55](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/TransactionDb.ts#L55)*
+*Defined in [engines/TransactionDb.ts:55](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/TransactionDb.ts#L55)*
 
 **Returns:** `void`
 
@@ -151,7 +151,7 @@ ___
 
 *Implementation of [TxDb](../interfaces/_types_.txdb.md).[put](../interfaces/_types_.txdb.md#put)*
 
-*Defined in [engines/TransactionDb.ts:107](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/TransactionDb.ts#L107)*
+*Defined in [engines/TransactionDb.ts:107](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/TransactionDb.ts#L107)*
 
 **Parameters:**
 
@@ -171,7 +171,7 @@ ___
 
 *Implementation of [TxDb](../interfaces/_types_.txdb.md).[rename](../interfaces/_types_.txdb.md#rename)*
 
-*Defined in [engines/TransactionDb.ts:67](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/TransactionDb.ts#L67)*
+*Defined in [engines/TransactionDb.ts:67](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/TransactionDb.ts#L67)*
 
 **Parameters:**
 
@@ -191,7 +191,7 @@ ___
 
 *Implementation of [TxDb](../interfaces/_types_.txdb.md).[size](../interfaces/_types_.txdb.md#size)*
 
-*Defined in [engines/TransactionDb.ts:77](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/TransactionDb.ts#L77)*
+*Defined in [engines/TransactionDb.ts:77](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/TransactionDb.ts#L77)*
 
 **Returns:** `number`
 
@@ -202,7 +202,7 @@ ___
 
 ▸ **transaction**(fn: *`function`*): `boolean`
 
-*Defined in [engines/TransactionDb.ts:29](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/TransactionDb.ts#L29)*
+*Defined in [engines/TransactionDb.ts:29](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/TransactionDb.ts#L29)*
 
 **Parameters:**
 
diff --git a/docs/db/classes/_fileflatdb_cache_.cache.md b/docs/db/classes/_fileflatdb_cache_.cache.md
index 2d97f3081..4ead61cc7 100644
--- a/docs/db/classes/_fileflatdb_cache_.cache.md
+++ b/docs/db/classes/_fileflatdb_cache_.cache.md
@@ -18,7 +18,7 @@
 
 *Overrides [File](_fileflatdb_file_.file.md).[constructor](_fileflatdb_file_.file.md#constructor)*
 
-*Defined in [FileFlatDb/Cache.ts:15](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/FileFlatDb/Cache.ts#L15)*
+*Defined in [FileFlatDb/Cache.ts:15](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/FileFlatDb/Cache.ts#L15)*
 
 **Parameters:**
 
diff --git a/docs/db/classes/_fileflatdb_compact_.compact.md b/docs/db/classes/_fileflatdb_compact_.compact.md
index 2727a6ace..8bd97164b 100644
--- a/docs/db/classes/_fileflatdb_compact_.compact.md
+++ b/docs/db/classes/_fileflatdb_compact_.compact.md
@@ -12,7 +12,7 @@
 
 ⊕ **new Compact**(file: *`string`*): [Compact](_fileflatdb_compact_.compact.md)
 
-*Defined in [FileFlatDb/Compact.ts:17](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/FileFlatDb/Compact.ts#L17)*
+*Defined in [FileFlatDb/Compact.ts:17](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/FileFlatDb/Compact.ts#L17)*
 
 **Parameters:**
 
@@ -32,7 +32,7 @@ ___
 
 ▸ **maintain**(fn: *[ProgressCb](../modules/_types_.md#progresscb)*): `void`
 
-*Defined in [FileFlatDb/Compact.ts:24](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/FileFlatDb/Compact.ts#L24)*
+*Defined in [FileFlatDb/Compact.ts:24](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/FileFlatDb/Compact.ts#L24)*
 
 **Parameters:**
 
diff --git a/docs/db/classes/_fileflatdb_file_.file.md b/docs/db/classes/_fileflatdb_file_.file.md
index c1cde3d1c..5dc32148b 100644
--- a/docs/db/classes/_fileflatdb_file_.file.md
+++ b/docs/db/classes/_fileflatdb_file_.file.md
@@ -16,7 +16,7 @@
 
 ⊕ **new File**(base: *`string`*, file: *`string`*, options: *[BaseDbOptions](../modules/_types_.md#basedboptions)*): [File](_fileflatdb_file_.file.md)
 
-*Defined in [FileFlatDb/File.ts:19](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/FileFlatDb/File.ts#L19)*
+*Defined in [FileFlatDb/File.ts:19](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/FileFlatDb/File.ts#L19)*
 
 **Parameters:**
 
diff --git a/docs/db/classes/_fileflatdb_impl_.impl.md b/docs/db/classes/_fileflatdb_impl_.impl.md
index 82f23be06..fa412a9fa 100644
--- a/docs/db/classes/_fileflatdb_impl_.impl.md
+++ b/docs/db/classes/_fileflatdb_impl_.impl.md
@@ -20,7 +20,7 @@
 
 *Overrides [File](_fileflatdb_file_.file.md).[constructor](_fileflatdb_file_.file.md#constructor)*
 
-*Defined in [FileFlatDb/Cache.ts:15](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/FileFlatDb/Cache.ts#L15)*
+*Defined in [FileFlatDb/Cache.ts:15](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/FileFlatDb/Cache.ts#L15)*
 
 **Parameters:**
 
diff --git a/docs/db/classes/_fileflatdb_index_.fileflatdb.md b/docs/db/classes/_fileflatdb_index_.fileflatdb.md
index 54bcd3b10..56fbff171 100644
--- a/docs/db/classes/_fileflatdb_index_.fileflatdb.md
+++ b/docs/db/classes/_fileflatdb_index_.fileflatdb.md
@@ -20,7 +20,7 @@
 
 *Overrides [Cache](_fileflatdb_cache_.cache.md).[constructor](_fileflatdb_cache_.cache.md#constructor)*
 
-*Defined in [FileFlatDb/index.ts:18](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/FileFlatDb/index.ts#L18)*
+*Defined in [FileFlatDb/index.ts:18](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/FileFlatDb/index.ts#L18)*
 
 **Parameters:**
 
@@ -44,7 +44,7 @@ ___
 
 *Implementation of [BaseDb](../interfaces/_types_.basedb.md).[close](../interfaces/_types_.basedb.md#close)*
 
-*Defined in [FileFlatDb/index.ts:31](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/FileFlatDb/index.ts#L31)*
+*Defined in [FileFlatDb/index.ts:31](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/FileFlatDb/index.ts#L31)*
 
 **Returns:** `void`
 
@@ -57,7 +57,7 @@ ___
 
 *Implementation of [BaseDb](../interfaces/_types_.basedb.md).[del](../interfaces/_types_.basedb.md#del)*
 
-*Defined in [FileFlatDb/index.ts:74](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/FileFlatDb/index.ts#L74)*
+*Defined in [FileFlatDb/index.ts:74](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/FileFlatDb/index.ts#L74)*
 
 **Parameters:**
 
@@ -76,7 +76,7 @@ ___
 
 *Implementation of [BaseDb](../interfaces/_types_.basedb.md).[drop](../interfaces/_types_.basedb.md#drop)*
 
-*Defined in [FileFlatDb/index.ts:39](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/FileFlatDb/index.ts#L39)*
+*Defined in [FileFlatDb/index.ts:39](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/FileFlatDb/index.ts#L39)*
 
 **Returns:** `void`
 
@@ -89,7 +89,7 @@ ___
 
 *Implementation of [BaseDb](../interfaces/_types_.basedb.md).[empty](../interfaces/_types_.basedb.md#empty)*
 
-*Defined in [FileFlatDb/index.ts:45](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/FileFlatDb/index.ts#L45)*
+*Defined in [FileFlatDb/index.ts:45](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/FileFlatDb/index.ts#L45)*
 
 **Returns:** `void`
 
@@ -102,7 +102,7 @@ ___
 
 *Implementation of [BaseDb](../interfaces/_types_.basedb.md).[get](../interfaces/_types_.basedb.md#get)*
 
-*Defined in [FileFlatDb/index.ts:78](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/FileFlatDb/index.ts#L78)*
+*Defined in [FileFlatDb/index.ts:78](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/FileFlatDb/index.ts#L78)*
 
 **Parameters:**
 
@@ -121,7 +121,7 @@ ___
 
 *Implementation of [BaseDb](../interfaces/_types_.basedb.md).[maintain](../interfaces/_types_.basedb.md#maintain)*
 
-*Defined in [FileFlatDb/index.ts:66](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/FileFlatDb/index.ts#L66)*
+*Defined in [FileFlatDb/index.ts:66](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/FileFlatDb/index.ts#L66)*
 
 **Parameters:**
 
@@ -140,7 +140,7 @@ ___
 
 *Implementation of [BaseDb](../interfaces/_types_.basedb.md).[open](../interfaces/_types_.basedb.md#open)*
 
-*Defined in [FileFlatDb/index.ts:23](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/FileFlatDb/index.ts#L23)*
+*Defined in [FileFlatDb/index.ts:23](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/FileFlatDb/index.ts#L23)*
 
 **Returns:** `void`
 
@@ -153,7 +153,7 @@ ___
 
 *Implementation of [BaseDb](../interfaces/_types_.basedb.md).[put](../interfaces/_types_.basedb.md#put)*
 
-*Defined in [FileFlatDb/index.ts:96](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/FileFlatDb/index.ts#L96)*
+*Defined in [FileFlatDb/index.ts:96](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/FileFlatDb/index.ts#L96)*
 
 **Parameters:**
 
@@ -173,7 +173,7 @@ ___
 
 *Implementation of [BaseDb](../interfaces/_types_.basedb.md).[rename](../interfaces/_types_.basedb.md#rename)*
 
-*Defined in [FileFlatDb/index.ts:55](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/FileFlatDb/index.ts#L55)*
+*Defined in [FileFlatDb/index.ts:55](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/FileFlatDb/index.ts#L55)*
 
 **Parameters:**
 
@@ -193,7 +193,7 @@ ___
 
 *Implementation of [BaseDb](../interfaces/_types_.basedb.md).[size](../interfaces/_types_.basedb.md#size)*
 
-*Defined in [FileFlatDb/index.ts:51](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/FileFlatDb/index.ts#L51)*
+*Defined in [FileFlatDb/index.ts:51](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/FileFlatDb/index.ts#L51)*
 
 **Returns:** `number`
 
diff --git a/docs/db/classes/_memory_.memory.md b/docs/db/classes/_memory_.memory.md
index f9ba8d00d..c08e49002 100644
--- a/docs/db/classes/_memory_.memory.md
+++ b/docs/db/classes/_memory_.memory.md
@@ -72,7 +72,7 @@ memoryDb.close();
 
 *Overrides [TransactionDb](_engines_transactiondb_.transactiondb.md).[constructor](_engines_transactiondb_.transactiondb.md#constructor)*
 
-*Defined in [Memory.ts:66](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/Memory.ts#L66)*
+*Defined in [Memory.ts:66](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/Memory.ts#L66)*
 
 **Parameters:**
 
@@ -96,7 +96,7 @@ ___
 
 *Inherited from [TransactionDb](_engines_transactiondb_.transactiondb.md).[close](_engines_transactiondb_.transactiondb.md#close)*
 
-*Defined in [engines/TransactionDb.ts:51](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/TransactionDb.ts#L51)*
+*Defined in [engines/TransactionDb.ts:51](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/TransactionDb.ts#L51)*
 
 **Returns:** `void`
 
@@ -111,7 +111,7 @@ ___
 
 *Inherited from [TransactionDb](_engines_transactiondb_.transactiondb.md).[del](_engines_transactiondb_.transactiondb.md#del)*
 
-*Defined in [engines/TransactionDb.ts:81](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/TransactionDb.ts#L81)*
+*Defined in [engines/TransactionDb.ts:81](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/TransactionDb.ts#L81)*
 
 **Parameters:**
 
@@ -132,7 +132,7 @@ ___
 
 *Inherited from [TransactionDb](_engines_transactiondb_.transactiondb.md).[drop](_engines_transactiondb_.transactiondb.md#drop)*
 
-*Defined in [engines/TransactionDb.ts:59](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/TransactionDb.ts#L59)*
+*Defined in [engines/TransactionDb.ts:59](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/TransactionDb.ts#L59)*
 
 **Returns:** `void`
 
@@ -147,7 +147,7 @@ ___
 
 *Inherited from [TransactionDb](_engines_transactiondb_.transactiondb.md).[empty](_engines_transactiondb_.transactiondb.md#empty)*
 
-*Defined in [engines/TransactionDb.ts:63](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/TransactionDb.ts#L63)*
+*Defined in [engines/TransactionDb.ts:63](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/TransactionDb.ts#L63)*
 
 **Returns:** `void`
 
@@ -162,7 +162,7 @@ ___
 
 *Inherited from [TransactionDb](_engines_transactiondb_.transactiondb.md).[get](_engines_transactiondb_.transactiondb.md#get)*
 
-*Defined in [engines/TransactionDb.ts:93](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/TransactionDb.ts#L93)*
+*Defined in [engines/TransactionDb.ts:93](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/TransactionDb.ts#L93)*
 
 **Parameters:**
 
@@ -183,7 +183,7 @@ ___
 
 *Inherited from [TransactionDb](_engines_transactiondb_.transactiondb.md).[maintain](_engines_transactiondb_.transactiondb.md#maintain)*
 
-*Defined in [engines/TransactionDb.ts:71](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/TransactionDb.ts#L71)*
+*Defined in [engines/TransactionDb.ts:71](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/TransactionDb.ts#L71)*
 
 **Parameters:**
 
@@ -204,7 +204,7 @@ ___
 
 *Inherited from [TransactionDb](_engines_transactiondb_.transactiondb.md).[open](_engines_transactiondb_.transactiondb.md#open)*
 
-*Defined in [engines/TransactionDb.ts:55](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/TransactionDb.ts#L55)*
+*Defined in [engines/TransactionDb.ts:55](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/TransactionDb.ts#L55)*
 
 **Returns:** `void`
 
@@ -219,7 +219,7 @@ ___
 
 *Inherited from [TransactionDb](_engines_transactiondb_.transactiondb.md).[put](_engines_transactiondb_.transactiondb.md#put)*
 
-*Defined in [engines/TransactionDb.ts:107](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/TransactionDb.ts#L107)*
+*Defined in [engines/TransactionDb.ts:107](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/TransactionDb.ts#L107)*
 
 **Parameters:**
 
@@ -241,7 +241,7 @@ ___
 
 *Inherited from [TransactionDb](_engines_transactiondb_.transactiondb.md).[rename](_engines_transactiondb_.transactiondb.md#rename)*
 
-*Defined in [engines/TransactionDb.ts:67](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/TransactionDb.ts#L67)*
+*Defined in [engines/TransactionDb.ts:67](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/TransactionDb.ts#L67)*
 
 **Parameters:**
 
@@ -263,7 +263,7 @@ ___
 
 *Inherited from [TransactionDb](_engines_transactiondb_.transactiondb.md).[size](_engines_transactiondb_.transactiondb.md#size)*
 
-*Defined in [engines/TransactionDb.ts:77](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/TransactionDb.ts#L77)*
+*Defined in [engines/TransactionDb.ts:77](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/TransactionDb.ts#L77)*
 
 **Returns:** `number`
 
@@ -276,7 +276,7 @@ ___
 
 *Inherited from [TransactionDb](_engines_transactiondb_.transactiondb.md).[transaction](_engines_transactiondb_.transactiondb.md#transaction)*
 
-*Defined in [engines/TransactionDb.ts:29](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/engines/TransactionDb.ts#L29)*
+*Defined in [engines/TransactionDb.ts:29](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/engines/TransactionDb.ts#L29)*
 
 **Parameters:**
 
diff --git a/docs/db/enums/_fileflatdb_types_.slot.md b/docs/db/enums/_fileflatdb_types_.slot.md
index 709f6be27..0f8f47f5d 100644
--- a/docs/db/enums/_fileflatdb_types_.slot.md
+++ b/docs/db/enums/_fileflatdb_types_.slot.md
@@ -18,7 +18,7 @@
 
 **BRANCH**:  = 1
 
-*Defined in [FileFlatDb/types.ts:7](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/FileFlatDb/types.ts#L7)*
+*Defined in [FileFlatDb/types.ts:7](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/FileFlatDb/types.ts#L7)*
 
 ___
 <a id="empty"></a>
@@ -27,7 +27,7 @@ ___
 
 **EMPTY**:  = 0
 
-*Defined in [FileFlatDb/types.ts:6](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/FileFlatDb/types.ts#L6)*
+*Defined in [FileFlatDb/types.ts:6](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/FileFlatDb/types.ts#L6)*
 
 ___
 <a id="leaf"></a>
@@ -36,7 +36,7 @@ ___
 
 **LEAF**:  = 2
 
-*Defined in [FileFlatDb/types.ts:8](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/FileFlatDb/types.ts#L8)*
+*Defined in [FileFlatDb/types.ts:8](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/FileFlatDb/types.ts#L8)*
 
 ___
 
diff --git a/docs/db/interfaces/_types_.basedb.md b/docs/db/interfaces/_types_.basedb.md
index 633ccf9c6..9fbb6d5fa 100644
--- a/docs/db/interfaces/_types_.basedb.md
+++ b/docs/db/interfaces/_types_.basedb.md
@@ -21,7 +21,7 @@
 
 ▸ **close**(): `void`
 
-*Defined in [types.ts:18](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/types.ts#L18)*
+*Defined in [types.ts:18](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/types.ts#L18)*
 
 **Returns:** `void`
 
@@ -32,7 +32,7 @@ ___
 
 ▸ **del**(key: *`Uint8Array`*): `void`
 
-*Defined in [types.ts:26](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/types.ts#L26)*
+*Defined in [types.ts:26](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/types.ts#L26)*
 
 **Parameters:**
 
@@ -49,7 +49,7 @@ ___
 
 ▸ **drop**(): `void`
 
-*Defined in [types.ts:20](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/types.ts#L20)*
+*Defined in [types.ts:20](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/types.ts#L20)*
 
 **Returns:** `void`
 
@@ -60,7 +60,7 @@ ___
 
 ▸ **empty**(): `void`
 
-*Defined in [types.ts:21](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/types.ts#L21)*
+*Defined in [types.ts:21](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/types.ts#L21)*
 
 **Returns:** `void`
 
@@ -71,7 +71,7 @@ ___
 
 ▸ **get**(key: *`Uint8Array`*): `Uint8Array` | `null`
 
-*Defined in [types.ts:27](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/types.ts#L27)*
+*Defined in [types.ts:27](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/types.ts#L27)*
 
 **Parameters:**
 
@@ -88,7 +88,7 @@ ___
 
 ▸ **maintain**(fn: *[ProgressCb](../modules/_types_.md#progresscb)*): `void`
 
-*Defined in [types.ts:22](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/types.ts#L22)*
+*Defined in [types.ts:22](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/types.ts#L22)*
 
 **Parameters:**
 
@@ -105,7 +105,7 @@ ___
 
 ▸ **open**(): `void`
 
-*Defined in [types.ts:19](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/types.ts#L19)*
+*Defined in [types.ts:19](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/types.ts#L19)*
 
 **Returns:** `void`
 
@@ -116,7 +116,7 @@ ___
 
 ▸ **put**(key: *`Uint8Array`*, value: *`Uint8Array`*): `void`
 
-*Defined in [types.ts:28](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/types.ts#L28)*
+*Defined in [types.ts:28](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/types.ts#L28)*
 
 **Parameters:**
 
@@ -134,7 +134,7 @@ ___
 
 ▸ **rename**(base: *`string`*, file: *`string`*): `void`
 
-*Defined in [types.ts:23](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/types.ts#L23)*
+*Defined in [types.ts:23](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/types.ts#L23)*
 
 **Parameters:**
 
@@ -152,7 +152,7 @@ ___
 
 ▸ **size**(): `number`
 
-*Defined in [types.ts:24](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/types.ts#L24)*
+*Defined in [types.ts:24](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/types.ts#L24)*
 
 **Returns:** `number`
 
diff --git a/docs/db/interfaces/_types_.txdb.md b/docs/db/interfaces/_types_.txdb.md
index 5ee395a9a..56bf78385 100644
--- a/docs/db/interfaces/_types_.txdb.md
+++ b/docs/db/interfaces/_types_.txdb.md
@@ -22,7 +22,7 @@
 
 *Inherited from [BaseDb](_types_.basedb.md).[close](_types_.basedb.md#close)*
 
-*Defined in [types.ts:18](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/types.ts#L18)*
+*Defined in [types.ts:18](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/types.ts#L18)*
 
 **Returns:** `void`
 
@@ -35,7 +35,7 @@ ___
 
 *Inherited from [BaseDb](_types_.basedb.md).[del](_types_.basedb.md#del)*
 
-*Defined in [types.ts:26](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/types.ts#L26)*
+*Defined in [types.ts:26](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/types.ts#L26)*
 
 **Parameters:**
 
@@ -54,7 +54,7 @@ ___
 
 *Inherited from [BaseDb](_types_.basedb.md).[drop](_types_.basedb.md#drop)*
 
-*Defined in [types.ts:20](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/types.ts#L20)*
+*Defined in [types.ts:20](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/types.ts#L20)*
 
 **Returns:** `void`
 
@@ -67,7 +67,7 @@ ___
 
 *Inherited from [BaseDb](_types_.basedb.md).[empty](_types_.basedb.md#empty)*
 
-*Defined in [types.ts:21](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/types.ts#L21)*
+*Defined in [types.ts:21](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/types.ts#L21)*
 
 **Returns:** `void`
 
@@ -80,7 +80,7 @@ ___
 
 *Inherited from [BaseDb](_types_.basedb.md).[get](_types_.basedb.md#get)*
 
-*Defined in [types.ts:27](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/types.ts#L27)*
+*Defined in [types.ts:27](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/types.ts#L27)*
 
 **Parameters:**
 
@@ -99,7 +99,7 @@ ___
 
 *Inherited from [BaseDb](_types_.basedb.md).[maintain](_types_.basedb.md#maintain)*
 
-*Defined in [types.ts:22](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/types.ts#L22)*
+*Defined in [types.ts:22](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/types.ts#L22)*
 
 **Parameters:**
 
@@ -118,7 +118,7 @@ ___
 
 *Inherited from [BaseDb](_types_.basedb.md).[open](_types_.basedb.md#open)*
 
-*Defined in [types.ts:19](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/types.ts#L19)*
+*Defined in [types.ts:19](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/types.ts#L19)*
 
 **Returns:** `void`
 
@@ -131,7 +131,7 @@ ___
 
 *Inherited from [BaseDb](_types_.basedb.md).[put](_types_.basedb.md#put)*
 
-*Defined in [types.ts:28](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/types.ts#L28)*
+*Defined in [types.ts:28](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/types.ts#L28)*
 
 **Parameters:**
 
@@ -151,7 +151,7 @@ ___
 
 *Inherited from [BaseDb](_types_.basedb.md).[rename](_types_.basedb.md#rename)*
 
-*Defined in [types.ts:23](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/types.ts#L23)*
+*Defined in [types.ts:23](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/types.ts#L23)*
 
 **Parameters:**
 
@@ -171,7 +171,7 @@ ___
 
 *Inherited from [BaseDb](_types_.basedb.md).[size](_types_.basedb.md#size)*
 
-*Defined in [types.ts:24](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/types.ts#L24)*
+*Defined in [types.ts:24](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/types.ts#L24)*
 
 **Returns:** `number`
 
@@ -182,7 +182,7 @@ ___
 
 ▸ **transaction**(fn: *`function`*): `boolean`
 
-*Defined in [types.ts:32](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/types.ts#L32)*
+*Defined in [types.ts:32](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/types.ts#L32)*
 
 **Parameters:**
 
diff --git a/docs/db/modules/_fileflatdb_types_.md b/docs/db/modules/_fileflatdb_types_.md
index 9b1989148..f181342c7 100644
--- a/docs/db/modules/_fileflatdb_types_.md
+++ b/docs/db/modules/_fileflatdb_types_.md
@@ -22,7 +22,7 @@
 
 **Ƭ Key**: *`object`*
 
-*Defined in [FileFlatDb/types.ts:16](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/FileFlatDb/types.ts#L16)*
+*Defined in [FileFlatDb/types.ts:16](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/FileFlatDb/types.ts#L16)*
 
 #### Type declaration
 
@@ -33,7 +33,7 @@ ___
 
 **Ƭ NibbleBuffer**: *`object`*
 
-*Defined in [FileFlatDb/types.ts:11](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/FileFlatDb/types.ts#L11)*
+*Defined in [FileFlatDb/types.ts:11](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/FileFlatDb/types.ts#L11)*
 
 #### Type declaration
 
@@ -44,7 +44,7 @@ ___
 
 **Ƭ Value**: *`object`*
 
-*Defined in [FileFlatDb/types.ts:22](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/FileFlatDb/types.ts#L22)*
+*Defined in [FileFlatDb/types.ts:22](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/FileFlatDb/types.ts#L22)*
 
 #### Type declaration
 
diff --git a/docs/db/modules/_types_.md b/docs/db/modules/_types_.md
index d820332c1..5cf0262dc 100644
--- a/docs/db/modules/_types_.md
+++ b/docs/db/modules/_types_.md
@@ -23,7 +23,7 @@
 
 **Ƭ BaseDbOptions**: *`object`*
 
-*Defined in [types.ts:13](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/types.ts#L13)*
+*Defined in [types.ts:13](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/types.ts#L13)*
 
 #### Type declaration
 
@@ -34,7 +34,7 @@ ___
 
 **Ƭ ProgressCb**: *`function`*
 
-*Defined in [types.ts:11](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/types.ts#L11)*
+*Defined in [types.ts:11](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/types.ts#L11)*
 
 #### Type declaration
 ▸(progress: *[ProgressValue](_types_.md#progressvalue)*): `void`
@@ -54,7 +54,7 @@ ___
 
 **Ƭ ProgressValue**: *`object`*
 
-*Defined in [types.ts:5](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/types.ts#L5)*
+*Defined in [types.ts:5](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/types.ts#L5)*
 
 #### Type declaration
 
diff --git a/docs/examples/keyring/01_create_account/index.html b/docs/examples/keyring/01_create_account/index.html
index 2300343c8..9a5dd6bf5 100644
--- a/docs/examples/keyring/01_create_account/index.html
+++ b/docs/examples/keyring/01_create_account/index.html
@@ -393,7 +393,7 @@
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+            gitbook.page.hasChanged({"page":{"title":"Create Account","level":"2.1.1","depth":2,"next":{"title":"Load Accounts","level":"2.1.2","depth":2,"path":"examples/keyring/02_load_accounts/README.md","ref":"examples/keyring/02_load_accounts/README.md","articles":[]},"previous":{"title":"Keyring","level":"2.1","depth":1,"path":"examples/keyring/README.md","ref":"examples/keyring/README.md","articles":[{"title":"Create Account","level":"2.1.1","depth":2,"path":"examples/keyring/01_create_account/README.md","ref":"examples/keyring/01_create_account/README.md","articles":[]},{"title":"Load Accounts","level":"2.1.2","depth":2,"path":"examples/keyring/02_load_accounts/README.md","ref":"examples/keyring/02_load_accounts/README.md","articles":[]}]},"dir":"ltr"},"config":{"plugins":["include-codeblock","insert-logo-link","mermaid-gb3","-highlight","sunlight-highlighter"],"root":"docs","styles":{"website":"styles/website.css"},"pluginsConfig":{"insert-logo-link":{"src":"/common/logo.png","url":"https://polkadot.js.org"},"search":{},"lunr":{"maxIndexSize":1000000,"ignoreSpecialCharacters":false},"fontsettings":{"theme":"white","family":"sans","size":2},"mermaid-gb3":{},"include-codeblock":{"check":false,"edit":false,"lang":"","fixlang":false,"template":"default","theme":"chrome","unindent":false},"sharing":{"facebook":true,"twitter":true,"google":false,"weibo":false,"instapaper":false,"vk":false,"all":["facebook","google","twitter","weibo","instapaper"]},"theme-default":{"styles":{"website":"styles/website.css","pdf":"styles/pdf.css","epub":"styles/epub.css","mobi":"styles/mobi.css","ebook":"styles/ebook.css","print":"styles/print.css"},"showLevel":false},"sunlight-highlighter":{"theme":"gitbook","lineNumbers":false}},"theme":"default","pdf":{"pageNumbers":true,"fontSize":12,"fontFamily":"Arial","paperSize":"a4","chapterMark":"pagebreak","pageBreaksBefore":"/","margin":{"right":62,"left":62,"top":56,"bottom":56}},"structure":{"langs":"LANGS.md","readme":"README.md","glossary":"GLOSSARY.md","summary":"SUMMARY.md"},"variables":{},"title":"Polkadot Common Book","gitbook":">=2.4.0"},"file":{"path":"examples/keyring/01_create_account/README.md","mtime":"2019-02-15T08:34:46.408Z","type":"markdown"},"gitbook":{"version":"3.2.3","time":"2019-02-15T08:39:01.754Z"},"basePath":"../../..","book":{"language":""}});
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diff --git a/docs/examples/keyring/02_load_accounts/index.html b/docs/examples/keyring/02_load_accounts/index.html
index 8fa4fcac6..b82895d81 100644
--- a/docs/examples/keyring/02_load_accounts/index.html
+++ b/docs/examples/keyring/02_load_accounts/index.html
@@ -405,7 +405,7 @@
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index 033813a4a..1cd240fcb 100644
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diff --git a/docs/index.html b/docs/index.html
index 459568ac7..3178b6880 100644
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diff --git a/docs/keyring/classes/_index_.keyring.md b/docs/keyring/classes/_index_.keyring.md
index 0b3067a15..fe4ff15d8 100644
--- a/docs/keyring/classes/_index_.keyring.md
+++ b/docs/keyring/classes/_index_.keyring.md
@@ -27,7 +27,7 @@ Overview
 
 ⊕ **new Keyring**(options: *[KeyringOptions](../modules/_types_.md#keyringoptions)*): [Keyring](_index_.keyring.md)
 
-*Defined in [index.ts:32](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/index.ts#L32)*
+*Defined in [index.ts:32](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/index.ts#L32)*
 
 **Parameters:**
 
@@ -49,7 +49,7 @@ ___
 
 *Implementation of [KeyringInstance](../interfaces/_types_.keyringinstance.md).[decodeAddress](../interfaces/_types_.keyringinstance.md#decodeaddress)*
 
-*Defined in [index.ts:43](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/index.ts#L43)*
+*Defined in [index.ts:43](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/index.ts#L43)*
 
 ___
 <a id="encodeaddress"></a>
@@ -60,7 +60,7 @@ ___
 
 *Implementation of [KeyringInstance](../interfaces/_types_.keyringinstance.md).[encodeAddress](../interfaces/_types_.keyringinstance.md#encodeaddress)*
 
-*Defined in [index.ts:44](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/index.ts#L44)*
+*Defined in [index.ts:44](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/index.ts#L44)*
 
 ___
 <a id="setaddressprefix"></a>
@@ -71,7 +71,7 @@ ___
 
 *Implementation of [KeyringInstance](../interfaces/_types_.keyringinstance.md).[setAddressPrefix](../interfaces/_types_.keyringinstance.md#setaddressprefix)*
 
-*Defined in [index.ts:45](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/index.ts#L45)*
+*Defined in [index.ts:45](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/index.ts#L45)*
 
 ___
 
@@ -83,7 +83,7 @@ ___
 
 gettype(): [KeyringPairType](../modules/_types_.md#keyringpairtype)
 
-*Defined in [index.ts:50](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/index.ts#L50)*
+*Defined in [index.ts:50](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/index.ts#L50)*
 
 *__description__*: Returns the type of the keyring, either ed25519 of sr25519
 
@@ -101,7 +101,7 @@ ___
 
 *Implementation of [KeyringInstance](../interfaces/_types_.keyringinstance.md).[addFromAddress](../interfaces/_types_.keyringinstance.md#addfromaddress)*
 
-*Defined in [index.ts:70](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/index.ts#L70)*
+*Defined in [index.ts:70](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/index.ts#L70)*
 
 *__name__*: addFromAddress
 
@@ -127,7 +127,7 @@ ___
 
 ▸ **addFromJson**(__namedParameters: *`object`*): [KeyringPair](../interfaces/_types_.keyringpair.md)
 
-*Defined in [index.ts:81](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/index.ts#L81)*
+*Defined in [index.ts:81](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/index.ts#L81)*
 
 *__name__*: addFromJson
 
@@ -152,7 +152,7 @@ ___
 
 *Implementation of [KeyringInstance](../interfaces/_types_.keyringinstance.md).[addFromMnemonic](../interfaces/_types_.keyringinstance.md#addfrommnemonic)*
 
-*Defined in [index.ts:96](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/index.ts#L96)*
+*Defined in [index.ts:96](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/index.ts#L96)*
 
 *__name__*: addFromMnemonic
 
@@ -179,7 +179,7 @@ ___
 
 *Implementation of [KeyringInstance](../interfaces/_types_.keyringinstance.md).[addFromSeed](../interfaces/_types_.keyringinstance.md#addfromseed)*
 
-*Defined in [index.ts:107](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/index.ts#L107)*
+*Defined in [index.ts:107](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/index.ts#L107)*
 
 *__name__*: addFromSeed
 
@@ -206,7 +206,7 @@ ___
 
 *Implementation of [KeyringInstance](../interfaces/_types_.keyringinstance.md).[addPair](../interfaces/_types_.keyringinstance.md#addpair)*
 
-*Defined in [index.ts:58](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/index.ts#L58)*
+*Defined in [index.ts:58](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/index.ts#L58)*
 
 *__name__*: addPair
 
@@ -229,7 +229,7 @@ ___
 
 *Implementation of [KeyringInstance](../interfaces/_types_.keyringinstance.md).[getPair](../interfaces/_types_.keyringinstance.md#getpair)*
 
-*Defined in [index.ts:121](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/index.ts#L121)*
+*Defined in [index.ts:121](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/index.ts#L121)*
 
 *__name__*: getPair
 
@@ -254,7 +254,7 @@ ___
 
 *Implementation of [KeyringInstance](../interfaces/_types_.keyringinstance.md).[getPairs](../interfaces/_types_.keyringinstance.md#getpairs)*
 
-*Defined in [index.ts:130](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/index.ts#L130)*
+*Defined in [index.ts:130](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/index.ts#L130)*
 
 *__name__*: getPairs
 
@@ -273,7 +273,7 @@ ___
 
 *Implementation of [KeyringInstance](../interfaces/_types_.keyringinstance.md).[getPublicKeys](../interfaces/_types_.keyringinstance.md#getpublickeys)*
 
-*Defined in [index.ts:139](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/index.ts#L139)*
+*Defined in [index.ts:139](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/index.ts#L139)*
 
 *__name__*: getPublicKeys
 
@@ -292,7 +292,7 @@ ___
 
 *Implementation of [KeyringInstance](../interfaces/_types_.keyringinstance.md).[removePair](../interfaces/_types_.keyringinstance.md#removepair)*
 
-*Defined in [index.ts:151](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/index.ts#L151)*
+*Defined in [index.ts:151](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/index.ts#L151)*
 
 *__name__*: removePair
 
@@ -315,7 +315,7 @@ ___
 
 *Implementation of [KeyringInstance](../interfaces/_types_.keyringinstance.md).[toJson](../interfaces/_types_.keyringinstance.md#tojson)*
 
-*Defined in [index.ts:163](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/index.ts#L163)*
+*Defined in [index.ts:163](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/index.ts#L163)*
 
 *__name__*: toJson
 
diff --git a/docs/keyring/classes/_pairs_.pairs.md b/docs/keyring/classes/_pairs_.pairs.md
index efddec54c..fa808ddc7 100644
--- a/docs/keyring/classes/_pairs_.pairs.md
+++ b/docs/keyring/classes/_pairs_.pairs.md
@@ -16,7 +16,7 @@
 
 ⊕ **new Pairs**(): [Pairs](_pairs_.pairs.md)
 
-*Defined in [pairs.ts:17](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/pairs.ts#L17)*
+*Defined in [pairs.ts:17](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/pairs.ts#L17)*
 
 **Returns:** [Pairs](_pairs_.pairs.md)
 
@@ -30,7 +30,7 @@ ___
 
 ▸ **add**(pair: *[KeyringPair](../interfaces/_types_.keyringpair.md)*): [KeyringPair](../interfaces/_types_.keyringpair.md)
 
-*Defined in [pairs.ts:23](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/pairs.ts#L23)*
+*Defined in [pairs.ts:23](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/pairs.ts#L23)*
 
 **Parameters:**
 
@@ -47,7 +47,7 @@ ___
 
 ▸ **all**(): `Array`<[KeyringPair](../interfaces/_types_.keyringpair.md)>
 
-*Defined in [pairs.ts:30](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/pairs.ts#L30)*
+*Defined in [pairs.ts:30](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/pairs.ts#L30)*
 
 **Returns:** `Array`<[KeyringPair](../interfaces/_types_.keyringpair.md)>
 
@@ -58,7 +58,7 @@ ___
 
 ▸ **get**(address: *`string` | `Uint8Array`*): [KeyringPair](../interfaces/_types_.keyringpair.md)
 
-*Defined in [pairs.ts:34](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/pairs.ts#L34)*
+*Defined in [pairs.ts:34](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/pairs.ts#L34)*
 
 **Parameters:**
 
@@ -75,7 +75,7 @@ ___
 
 ▸ **remove**(address: *`string` | `Uint8Array`*): `void`
 
-*Defined in [pairs.ts:49](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/pairs.ts#L49)*
+*Defined in [pairs.ts:49](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/pairs.ts#L49)*
 
 **Parameters:**
 
diff --git a/docs/keyring/index.html b/docs/keyring/index.html
index 8cf64fe5e..38d49fe32 100644
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+            gitbook.page.hasChanged({"page":{"title":"keyring","level":"1.2","depth":1,"next":{"title":"trie-db","level":"1.3","depth":1,"path":"trie-db/README.md","ref":"trie-db/README.md","articles":[]},"previous":{"title":"Introduction","level":"1.1","depth":1,"path":"README.md","ref":"README.md","articles":[]},"dir":"ltr"},"config":{"plugins":["include-codeblock","insert-logo-link","mermaid-gb3","-highlight","sunlight-highlighter"],"root":"docs","styles":{"website":"styles/website.css"},"pluginsConfig":{"insert-logo-link":{"src":"/common/logo.png","url":"https://polkadot.js.org"},"search":{},"lunr":{"maxIndexSize":1000000,"ignoreSpecialCharacters":false},"fontsettings":{"theme":"white","family":"sans","size":2},"mermaid-gb3":{},"include-codeblock":{"check":false,"edit":false,"lang":"","fixlang":false,"template":"default","theme":"chrome","unindent":false},"sharing":{"facebook":true,"twitter":true,"google":false,"weibo":false,"instapaper":false,"vk":false,"all":["facebook","google","twitter","weibo","instapaper"]},"theme-default":{"styles":{"website":"styles/website.css","pdf":"styles/pdf.css","epub":"styles/epub.css","mobi":"styles/mobi.css","ebook":"styles/ebook.css","print":"styles/print.css"},"showLevel":false},"sunlight-highlighter":{"theme":"gitbook","lineNumbers":false}},"theme":"default","pdf":{"pageNumbers":true,"fontSize":12,"fontFamily":"Arial","paperSize":"a4","chapterMark":"pagebreak","pageBreaksBefore":"/","margin":{"right":62,"left":62,"top":56,"bottom":56}},"structure":{"langs":"LANGS.md","readme":"README.md","glossary":"GLOSSARY.md","summary":"SUMMARY.md"},"variables":{},"title":"Polkadot Common Book","gitbook":">=2.4.0"},"file":{"path":"keyring/README.md","mtime":"2019-02-15T08:37:43.229Z","type":"markdown"},"gitbook":{"version":"3.2.3","time":"2019-02-15T08:39:01.754Z"},"basePath":"..","book":{"language":""}});
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 </div>
diff --git a/docs/keyring/interfaces/_types_.keyringinstance.md b/docs/keyring/interfaces/_types_.keyringinstance.md
index 05a585584..cb6654305 100644
--- a/docs/keyring/interfaces/_types_.keyringinstance.md
+++ b/docs/keyring/interfaces/_types_.keyringinstance.md
@@ -16,7 +16,7 @@
 
 **● type**: *[KeyringPairType](../modules/_types_.md#keyringpairtype)*
 
-*Defined in [types.ts:58](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/types.ts#L58)*
+*Defined in [types.ts:58](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/types.ts#L58)*
 
 ___
 
@@ -28,7 +28,7 @@ ___
 
 ▸ **addFromAddress**(address: *`string` | `Uint8Array`*, meta: *[KeyringPair$Meta](../modules/_types_.md#keyringpair_meta)*, encoded: *`Uint8Array` | `null`*, type?: *[KeyringPairType](../modules/_types_.md#keyringpairtype)*): [KeyringPair](_types_.keyringpair.md)
 
-*Defined in [types.ts:65](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/types.ts#L65)*
+*Defined in [types.ts:65](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/types.ts#L65)*
 
 **Parameters:**
 
@@ -48,7 +48,7 @@ ___
 
 ▸ **addFromJson**(pair: *[KeyringPair$Json](../modules/_types_.md#keyringpair_json)*): [KeyringPair](_types_.keyringpair.md)
 
-*Defined in [types.ts:68](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/types.ts#L68)*
+*Defined in [types.ts:68](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/types.ts#L68)*
 
 **Parameters:**
 
@@ -65,7 +65,7 @@ ___
 
 ▸ **addFromMnemonic**(mnemonic: *`string`*, meta: *[KeyringPair$Meta](../modules/_types_.md#keyringpair_meta)*, type?: *[KeyringPairType](../modules/_types_.md#keyringpairtype)*): [KeyringPair](_types_.keyringpair.md)
 
-*Defined in [types.ts:66](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/types.ts#L66)*
+*Defined in [types.ts:66](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/types.ts#L66)*
 
 **Parameters:**
 
@@ -84,7 +84,7 @@ ___
 
 ▸ **addFromSeed**(seed: *`Uint8Array`*, meta: *[KeyringPair$Meta](../modules/_types_.md#keyringpair_meta)*, type?: *[KeyringPairType](../modules/_types_.md#keyringpairtype)*): [KeyringPair](_types_.keyringpair.md)
 
-*Defined in [types.ts:67](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/types.ts#L67)*
+*Defined in [types.ts:67](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/types.ts#L67)*
 
 **Parameters:**
 
@@ -103,7 +103,7 @@ ___
 
 ▸ **addPair**(pair: *[KeyringPair](_types_.keyringpair.md)*): [KeyringPair](_types_.keyringpair.md)
 
-*Defined in [types.ts:64](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/types.ts#L64)*
+*Defined in [types.ts:64](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/types.ts#L64)*
 
 **Parameters:**
 
@@ -120,7 +120,7 @@ ___
 
 ▸ **decodeAddress**(encoded: *`string` | `Uint8Array`*): `Uint8Array`
 
-*Defined in [types.ts:60](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/types.ts#L60)*
+*Defined in [types.ts:60](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/types.ts#L60)*
 
 **Parameters:**
 
@@ -137,7 +137,7 @@ ___
 
 ▸ **encodeAddress**(key: *`Uint8Array` | `string`*): `string`
 
-*Defined in [types.ts:61](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/types.ts#L61)*
+*Defined in [types.ts:61](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/types.ts#L61)*
 
 **Parameters:**
 
@@ -154,7 +154,7 @@ ___
 
 ▸ **getPair**(address: *`string` | `Uint8Array`*): [KeyringPair](_types_.keyringpair.md)
 
-*Defined in [types.ts:69](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/types.ts#L69)*
+*Defined in [types.ts:69](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/types.ts#L69)*
 
 **Parameters:**
 
@@ -171,7 +171,7 @@ ___
 
 ▸ **getPairs**(): `Array`<[KeyringPair](_types_.keyringpair.md)>
 
-*Defined in [types.ts:70](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/types.ts#L70)*
+*Defined in [types.ts:70](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/types.ts#L70)*
 
 **Returns:** `Array`<[KeyringPair](_types_.keyringpair.md)>
 
@@ -182,7 +182,7 @@ ___
 
 ▸ **getPublicKeys**(): `Array`<`Uint8Array`>
 
-*Defined in [types.ts:71](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/types.ts#L71)*
+*Defined in [types.ts:71](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/types.ts#L71)*
 
 **Returns:** `Array`<`Uint8Array`>
 
@@ -193,7 +193,7 @@ ___
 
 ▸ **removePair**(address: *`string` | `Uint8Array`*): `void`
 
-*Defined in [types.ts:72](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/types.ts#L72)*
+*Defined in [types.ts:72](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/types.ts#L72)*
 
 **Parameters:**
 
@@ -210,7 +210,7 @@ ___
 
 ▸ **setAddressPrefix**(prefix: *[Prefix](../modules/_address_types_.md#prefix)*): `void`
 
-*Defined in [types.ts:62](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/types.ts#L62)*
+*Defined in [types.ts:62](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/types.ts#L62)*
 
 **Parameters:**
 
@@ -227,7 +227,7 @@ ___
 
 ▸ **toJson**(address: *`string` | `Uint8Array`*, passphrase?: *`undefined` | `string`*): [KeyringPair$Json](../modules/_types_.md#keyringpair_json)
 
-*Defined in [types.ts:73](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/types.ts#L73)*
+*Defined in [types.ts:73](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/types.ts#L73)*
 
 **Parameters:**
 
diff --git a/docs/keyring/interfaces/_types_.keyringpair.md b/docs/keyring/interfaces/_types_.keyringpair.md
index 64e0e822b..4d5cb7a4d 100644
--- a/docs/keyring/interfaces/_types_.keyringpair.md
+++ b/docs/keyring/interfaces/_types_.keyringpair.md
@@ -12,7 +12,7 @@
 
 **● address**: *`function`*
 
-*Defined in [types.ts:36](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/types.ts#L36)*
+*Defined in [types.ts:36](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/types.ts#L36)*
 
 #### Type declaration
 ▸(): `string`
@@ -26,7 +26,7 @@ ___
 
 **● decodePkcs8**: *`function`*
 
-*Defined in [types.ts:37](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/types.ts#L37)*
+*Defined in [types.ts:37](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/types.ts#L37)*
 
 #### Type declaration
 ▸(passphrase?: *`undefined` | `string`*, encoded?: *`Uint8Array`*): `void`
@@ -47,7 +47,7 @@ ___
 
 **● encodePkcs8**: *`function`*
 
-*Defined in [types.ts:38](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/types.ts#L38)*
+*Defined in [types.ts:38](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/types.ts#L38)*
 
 #### Type declaration
 ▸(passphrase?: *`undefined` | `string`*): `Uint8Array`
@@ -67,7 +67,7 @@ ___
 
 **● getMeta**: *`function`*
 
-*Defined in [types.ts:39](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/types.ts#L39)*
+*Defined in [types.ts:39](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/types.ts#L39)*
 
 #### Type declaration
 ▸(): [KeyringPair$Meta](../modules/_types_.md#keyringpair_meta)
@@ -81,7 +81,7 @@ ___
 
 **● isLocked**: *`function`*
 
-*Defined in [types.ts:40](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/types.ts#L40)*
+*Defined in [types.ts:40](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/types.ts#L40)*
 
 #### Type declaration
 ▸(): `boolean`
@@ -95,7 +95,7 @@ ___
 
 **● lock**: *`function`*
 
-*Defined in [types.ts:41](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/types.ts#L41)*
+*Defined in [types.ts:41](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/types.ts#L41)*
 
 #### Type declaration
 ▸(): `void`
@@ -109,7 +109,7 @@ ___
 
 **● publicKey**: *`function`*
 
-*Defined in [types.ts:42](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/types.ts#L42)*
+*Defined in [types.ts:42](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/types.ts#L42)*
 
 #### Type declaration
 ▸(): `Uint8Array`
@@ -123,7 +123,7 @@ ___
 
 **● setMeta**: *`function`*
 
-*Defined in [types.ts:43](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/types.ts#L43)*
+*Defined in [types.ts:43](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/types.ts#L43)*
 
 #### Type declaration
 ▸(meta: *[KeyringPair$Meta](../modules/_types_.md#keyringpair_meta)*): `void`
@@ -143,7 +143,7 @@ ___
 
 **● type**: *[KeyringPairType](../modules/_types_.md#keyringpairtype)*
 
-*Defined in [types.ts:34](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/types.ts#L34)*
+*Defined in [types.ts:34](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/types.ts#L34)*
 
 ___
 
@@ -155,7 +155,7 @@ ___
 
 ▸ **sign**(message: *`Uint8Array`*): `Uint8Array`
 
-*Defined in [types.ts:44](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/types.ts#L44)*
+*Defined in [types.ts:44](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/types.ts#L44)*
 
 **Parameters:**
 
@@ -172,7 +172,7 @@ ___
 
 ▸ **toJson**(passphrase?: *`undefined` | `string`*): [KeyringPair$Json](../modules/_types_.md#keyringpair_json)
 
-*Defined in [types.ts:45](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/types.ts#L45)*
+*Defined in [types.ts:45](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/types.ts#L45)*
 
 **Parameters:**
 
@@ -189,7 +189,7 @@ ___
 
 ▸ **toType**(type: *[KeyringPairType](../modules/_types_.md#keyringpairtype)*): [KeyringPair](_types_.keyringpair.md)
 
-*Defined in [types.ts:46](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/types.ts#L46)*
+*Defined in [types.ts:46](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/types.ts#L46)*
 
 **Parameters:**
 
@@ -206,7 +206,7 @@ ___
 
 ▸ **verify**(message: *`Uint8Array`*, signature: *`Uint8Array`*): `boolean`
 
-*Defined in [types.ts:47](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/types.ts#L47)*
+*Defined in [types.ts:47](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/types.ts#L47)*
 
 **Parameters:**
 
diff --git a/docs/keyring/interfaces/_types_.keyringpairs.md b/docs/keyring/interfaces/_types_.keyringpairs.md
index b86457e5b..5876fdad1 100644
--- a/docs/keyring/interfaces/_types_.keyringpairs.md
+++ b/docs/keyring/interfaces/_types_.keyringpairs.md
@@ -16,7 +16,7 @@
 
 **● add**: *`function`*
 
-*Defined in [types.ts:51](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/types.ts#L51)*
+*Defined in [types.ts:51](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/types.ts#L51)*
 
 #### Type declaration
 ▸(pair: *[KeyringPair](_types_.keyringpair.md)*): [KeyringPair](_types_.keyringpair.md)
@@ -36,7 +36,7 @@ ___
 
 **● all**: *`function`*
 
-*Defined in [types.ts:52](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/types.ts#L52)*
+*Defined in [types.ts:52](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/types.ts#L52)*
 
 #### Type declaration
 ▸(): `Array`<[KeyringPair](_types_.keyringpair.md)>
@@ -50,7 +50,7 @@ ___
 
 **● get**: *`function`*
 
-*Defined in [types.ts:53](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/types.ts#L53)*
+*Defined in [types.ts:53](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/types.ts#L53)*
 
 #### Type declaration
 ▸(address: *`string` | `Uint8Array`*): [KeyringPair](_types_.keyringpair.md)
@@ -70,7 +70,7 @@ ___
 
 **● remove**: *`function`*
 
-*Defined in [types.ts:54](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/types.ts#L54)*
+*Defined in [types.ts:54](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/types.ts#L54)*
 
 #### Type declaration
 ▸(address: *`string` | `Uint8Array`*): `void`
diff --git a/docs/keyring/modules/_address_decode_.md b/docs/keyring/modules/_address_decode_.md
index 5d53f1656..2e5c35409 100644
--- a/docs/keyring/modules/_address_decode_.md
+++ b/docs/keyring/modules/_address_decode_.md
@@ -8,7 +8,7 @@
 
 ▸ **decode**(encoded: *`string` | `Uint8Array`*, prefix?: *[Prefix](_address_types_.md#prefix)*): `Uint8Array`
 
-*Defined in [address/decode.ts:15](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/address/decode.ts#L15)*
+*Defined in [address/decode.ts:15](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/address/decode.ts#L15)*
 
 **Parameters:**
 
diff --git a/docs/keyring/modules/_address_encode_.md b/docs/keyring/modules/_address_encode_.md
index 4bed9aa99..23fb8875e 100644
--- a/docs/keyring/modules/_address_encode_.md
+++ b/docs/keyring/modules/_address_encode_.md
@@ -8,7 +8,7 @@
 
 ▸ **encode**(_key: *`Uint8Array` | `string`*, prefix?: *[Prefix](_address_types_.md#prefix)*): `string`
 
-*Defined in [address/encode.ts:15](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/address/encode.ts#L15)*
+*Defined in [address/encode.ts:15](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/address/encode.ts#L15)*
 
 **Parameters:**
 
diff --git a/docs/keyring/modules/_address_setprefix_.md b/docs/keyring/modules/_address_setprefix_.md
index bba84316a..8973d4f40 100644
--- a/docs/keyring/modules/_address_setprefix_.md
+++ b/docs/keyring/modules/_address_setprefix_.md
@@ -8,7 +8,7 @@
 
 ▸ **setPrefix**(prefix: *[Prefix](_address_types_.md#prefix)*): `void`
 
-*Defined in [address/setPrefix.ts:9](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/address/setPrefix.ts#L9)*
+*Defined in [address/setPrefix.ts:9](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/address/setPrefix.ts#L9)*
 
 **Parameters:**
 
diff --git a/docs/keyring/modules/_address_types_.md b/docs/keyring/modules/_address_types_.md
index 6915aed37..e10a0b4c0 100644
--- a/docs/keyring/modules/_address_types_.md
+++ b/docs/keyring/modules/_address_types_.md
@@ -8,7 +8,7 @@
 
 **Ƭ Prefix**: *`0` | `1` | `3` | `42` | `43` | `68` | `69`*
 
-*Defined in [address/types.ts:5](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/address/types.ts#L5)*
+*Defined in [address/types.ts:5](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/address/types.ts#L5)*
 
 ___
 
diff --git a/docs/keyring/modules/_pair_decode_.md b/docs/keyring/modules/_pair_decode_.md
index 8bee0e150..c55a589d1 100644
--- a/docs/keyring/modules/_pair_decode_.md
+++ b/docs/keyring/modules/_pair_decode_.md
@@ -8,7 +8,7 @@
 
 ▸ **decode**(passphrase?: *`undefined` | `string`*, _encrypted?: *`Uint8Array` | `null`*): `DecodeResult`
 
-*Defined in [pair/decode.ts:19](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/pair/decode.ts#L19)*
+*Defined in [pair/decode.ts:19](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/pair/decode.ts#L19)*
 
 **Parameters:**
 
diff --git a/docs/keyring/modules/_pair_encode_.md b/docs/keyring/modules/_pair_encode_.md
index 7210b0366..65902728f 100644
--- a/docs/keyring/modules/_pair_encode_.md
+++ b/docs/keyring/modules/_pair_encode_.md
@@ -8,7 +8,7 @@
 
 ▸ **encode**(__namedParameters: *`object`*, passphrase?: *`undefined` | `string`*): `Uint8Array`
 
-*Defined in [pair/encode.ts:12](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/pair/encode.ts#L12)*
+*Defined in [pair/encode.ts:12](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/pair/encode.ts#L12)*
 
 **Parameters:**
 
diff --git a/docs/keyring/modules/_pair_index_.md b/docs/keyring/modules/_pair_index_.md
index 1cf6418f2..466a3a437 100644
--- a/docs/keyring/modules/_pair_index_.md
+++ b/docs/keyring/modules/_pair_index_.md
@@ -8,7 +8,7 @@
 
 ▸ **createPair**(type: *[KeyringPairType](_types_.md#keyringpairtype)*, __namedParameters: *`object`*, meta?: *[KeyringPair$Meta](_types_.md#keyringpair_meta)*, encoded: *`Uint8Array` | `null`*): [KeyringPair](../interfaces/_types_.keyringpair.md)
 
-*Defined in [pair/index.ts:62](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/pair/index.ts#L62)*
+*Defined in [pair/index.ts:62](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/pair/index.ts#L62)*
 
 *__name__*: pair
 
diff --git a/docs/keyring/modules/_pair_nobody_.md b/docs/keyring/modules/_pair_nobody_.md
index c019928c1..37b80c1a1 100644
--- a/docs/keyring/modules/_pair_nobody_.md
+++ b/docs/keyring/modules/_pair_nobody_.md
@@ -8,7 +8,7 @@
 
 ▸ **everybody**(): [KeyringPair](../interfaces/_types_.keyringpair.md)
 
-*Defined in [pair/nobody.ts:25](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/pair/nobody.ts#L25)*
+*Defined in [pair/nobody.ts:25](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/pair/nobody.ts#L25)*
 
 **Returns:** [KeyringPair](../interfaces/_types_.keyringpair.md)
 
diff --git a/docs/keyring/modules/_pair_tojson_.md b/docs/keyring/modules/_pair_tojson_.md
index 6fa991fee..1edc32e44 100644
--- a/docs/keyring/modules/_pair_tojson_.md
+++ b/docs/keyring/modules/_pair_tojson_.md
@@ -8,7 +8,7 @@
 
 ▸ **toJson**(type: *[KeyringPairType](_types_.md#keyringpairtype)*, __namedParameters: *`object`*, encoded: *`Uint8Array`*, isEncrypted: *`boolean`*): [KeyringPair$Json](_types_.md#keyringpair_json)
 
-*Defined in [pair/toJson.ts:15](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/pair/toJson.ts#L15)*
+*Defined in [pair/toJson.ts:15](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/pair/toJson.ts#L15)*
 
 **Parameters:**
 
diff --git a/docs/keyring/modules/_pair_types_.md b/docs/keyring/modules/_pair_types_.md
index c5cfe515c..14ecad1e3 100644
--- a/docs/keyring/modules/_pair_types_.md
+++ b/docs/keyring/modules/_pair_types_.md
@@ -8,7 +8,7 @@
 
 **Ƭ PairInfo**: *`object`*
 
-*Defined in [pair/types.ts:5](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/pair/types.ts#L5)*
+*Defined in [pair/types.ts:5](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/pair/types.ts#L5)*
 
 #### Type declaration
 
diff --git a/docs/keyring/modules/_testing_.md b/docs/keyring/modules/_testing_.md
index 0a8d0e453..cd1a59ba2 100644
--- a/docs/keyring/modules/_testing_.md
+++ b/docs/keyring/modules/_testing_.md
@@ -8,7 +8,7 @@
 
 ▸ **testKeyring**(options: *[KeyringOptions](_types_.md#keyringoptions)*): [KeyringInstance](../interfaces/_types_.keyringinstance.md)
 
-*Defined in [testing.ts:41](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/testing.ts#L41)*
+*Defined in [testing.ts:41](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/testing.ts#L41)*
 
 *__name__*: testKeyring
 
diff --git a/docs/keyring/modules/_testingpairs_.md b/docs/keyring/modules/_testingpairs_.md
index e344b0573..cc0e3836b 100644
--- a/docs/keyring/modules/_testingpairs_.md
+++ b/docs/keyring/modules/_testingpairs_.md
@@ -8,7 +8,7 @@
 
 ▸ **testKeyringPairs**(options: *[KeyringOptions](_types_.md#keyringoptions)*): `TestKeyringMap`
 
-*Defined in [testingPairs.ts:14](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/testingPairs.ts#L14)*
+*Defined in [testingPairs.ts:14](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/testingPairs.ts#L14)*
 
 **Parameters:**
 
diff --git a/docs/keyring/modules/_types_.md b/docs/keyring/modules/_types_.md
index c6390279b..8060c5237 100644
--- a/docs/keyring/modules/_types_.md
+++ b/docs/keyring/modules/_types_.md
@@ -27,7 +27,7 @@
 
 **Ƭ KeyringOptions**: *`object`*
 
-*Defined in [types.ts:9](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/types.ts#L9)*
+*Defined in [types.ts:9](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/types.ts#L9)*
 
 #### Type declaration
 
@@ -38,7 +38,7 @@ ___
 
 **Ƭ KeyringPair$Json**: *`object`*
 
-*Defined in [types.ts:26](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/types.ts#L26)*
+*Defined in [types.ts:26](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/types.ts#L26)*
 
 #### Type declaration
 
@@ -49,7 +49,7 @@ ___
 
 **Ƭ KeyringPair$JsonEncoding**: *`object`*
 
-*Defined in [types.ts:20](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/types.ts#L20)*
+*Defined in [types.ts:20](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/types.ts#L20)*
 
 #### Type declaration
 
@@ -60,7 +60,7 @@ ___
 
 **Ƭ KeyringPair$JsonVersion**: *"0" | "1"*
 
-*Defined in [types.ts:18](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/types.ts#L18)*
+*Defined in [types.ts:18](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/types.ts#L18)*
 
 ___
 <a id="keyringpair_meta"></a>
@@ -69,7 +69,7 @@ ___
 
 **Ƭ KeyringPair$Meta**: *`object`*
 
-*Defined in [types.ts:14](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/types.ts#L14)*
+*Defined in [types.ts:14](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/types.ts#L14)*
 
 #### Type declaration
 
@@ -82,7 +82,7 @@ ___
 
 **Ƭ KeyringPairType**: *"ed25519" | "sr25519"*
 
-*Defined in [types.ts:7](https://github.com/polkadot-js/common/blob/49b0c84/packages/keyring/src/types.ts#L7)*
+*Defined in [types.ts:7](https://github.com/polkadot-js/common/blob/8513530/packages/keyring/src/types.ts#L7)*
 
 ___
 
diff --git a/docs/trie-codec/classes/_nodeheader_.extensionheader.md b/docs/trie-codec/classes/_nodeheader_.extensionheader.md
index c8e8a4017..25b32cbe0 100644
--- a/docs/trie-codec/classes/_nodeheader_.extensionheader.md
+++ b/docs/trie-codec/classes/_nodeheader_.extensionheader.md
@@ -16,7 +16,7 @@
 
 *Inherited from [NibbleHeader](_nodeheader_.nibbleheader.md).[constructor](_nodeheader_.nibbleheader.md#constructor)*
 
-*Defined in [NodeHeader.ts:21](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-codec/src/NodeHeader.ts#L21)*
+*Defined in [NodeHeader.ts:21](https://github.com/polkadot-js/common/blob/8513530/packages/trie-codec/src/NodeHeader.ts#L21)*
 
 **Parameters:**
 
@@ -38,7 +38,7 @@ ___
 
 *Inherited from [NibbleHeader](_nodeheader_.nibbleheader.md).[toNumber](_nodeheader_.nibbleheader.md#tonumber)*
 
-*Defined in [NodeHeader.ts:27](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-codec/src/NodeHeader.ts#L27)*
+*Defined in [NodeHeader.ts:27](https://github.com/polkadot-js/common/blob/8513530/packages/trie-codec/src/NodeHeader.ts#L27)*
 
 **Returns:** `number`
 
diff --git a/docs/trie-codec/classes/_nodeheader_.leafheader.md b/docs/trie-codec/classes/_nodeheader_.leafheader.md
index e465e2c8a..2fd90e7a2 100644
--- a/docs/trie-codec/classes/_nodeheader_.leafheader.md
+++ b/docs/trie-codec/classes/_nodeheader_.leafheader.md
@@ -16,7 +16,7 @@
 
 *Inherited from [NibbleHeader](_nodeheader_.nibbleheader.md).[constructor](_nodeheader_.nibbleheader.md#constructor)*
 
-*Defined in [NodeHeader.ts:21](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-codec/src/NodeHeader.ts#L21)*
+*Defined in [NodeHeader.ts:21](https://github.com/polkadot-js/common/blob/8513530/packages/trie-codec/src/NodeHeader.ts#L21)*
 
 **Parameters:**
 
@@ -38,7 +38,7 @@ ___
 
 *Inherited from [NibbleHeader](_nodeheader_.nibbleheader.md).[toNumber](_nodeheader_.nibbleheader.md#tonumber)*
 
-*Defined in [NodeHeader.ts:27](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-codec/src/NodeHeader.ts#L27)*
+*Defined in [NodeHeader.ts:27](https://github.com/polkadot-js/common/blob/8513530/packages/trie-codec/src/NodeHeader.ts#L27)*
 
 **Returns:** `number`
 
diff --git a/docs/trie-codec/classes/_nodeheader_.nibbleheader.md b/docs/trie-codec/classes/_nodeheader_.nibbleheader.md
index e474019d3..a88fb824d 100644
--- a/docs/trie-codec/classes/_nodeheader_.nibbleheader.md
+++ b/docs/trie-codec/classes/_nodeheader_.nibbleheader.md
@@ -16,7 +16,7 @@
 
 ⊕ **new NibbleHeader**(input: *`number`*): [NibbleHeader](_nodeheader_.nibbleheader.md)
 
-*Defined in [NodeHeader.ts:21](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-codec/src/NodeHeader.ts#L21)*
+*Defined in [NodeHeader.ts:21](https://github.com/polkadot-js/common/blob/8513530/packages/trie-codec/src/NodeHeader.ts#L21)*
 
 **Parameters:**
 
@@ -36,7 +36,7 @@ ___
 
 ▸ **toNumber**(): `number`
 
-*Defined in [NodeHeader.ts:27](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-codec/src/NodeHeader.ts#L27)*
+*Defined in [NodeHeader.ts:27](https://github.com/polkadot-js/common/blob/8513530/packages/trie-codec/src/NodeHeader.ts#L27)*
 
 **Returns:** `number`
 
diff --git a/docs/trie-codec/classes/_nodeheader_.nodeheader.md b/docs/trie-codec/classes/_nodeheader_.nodeheader.md
index 1d468495c..19042175b 100644
--- a/docs/trie-codec/classes/_nodeheader_.nodeheader.md
+++ b/docs/trie-codec/classes/_nodeheader_.nodeheader.md
@@ -12,7 +12,7 @@
 
 ⊕ **new NodeHeader**(input?: *`null` | `Uint8Array` | `Array`<`null` | `Uint8Array`>*): [NodeHeader](_nodeheader_.nodeheader.md)
 
-*Defined in [NodeHeader.ts:40](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-codec/src/NodeHeader.ts#L40)*
+*Defined in [NodeHeader.ts:40](https://github.com/polkadot-js/common/blob/8513530/packages/trie-codec/src/NodeHeader.ts#L40)*
 
 **Parameters:**
 
@@ -32,7 +32,7 @@ ___
 
 getencodedLength(): `number`
 
-*Defined in [NodeHeader.ts:92](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-codec/src/NodeHeader.ts#L92)*
+*Defined in [NodeHeader.ts:92](https://github.com/polkadot-js/common/blob/8513530/packages/trie-codec/src/NodeHeader.ts#L92)*
 
 **Returns:** `number`
 
@@ -43,7 +43,7 @@ ___
 
 getnodeType(): `number`
 
-*Defined in [NodeHeader.ts:114](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-codec/src/NodeHeader.ts#L114)*
+*Defined in [NodeHeader.ts:114](https://github.com/polkadot-js/common/blob/8513530/packages/trie-codec/src/NodeHeader.ts#L114)*
 
 **Returns:** `number`
 
@@ -54,7 +54,7 @@ ___
 
 getvalue(): [Null](_nodeheader_.null.md) | [BranchHeader](_nodeheader_.branchheader.md) | [ExtensionHeader](_nodeheader_.extensionheader.md) | [LeafHeader](_nodeheader_.leafheader.md)
 
-*Defined in [NodeHeader.ts:118](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-codec/src/NodeHeader.ts#L118)*
+*Defined in [NodeHeader.ts:118](https://github.com/polkadot-js/common/blob/8513530/packages/trie-codec/src/NodeHeader.ts#L118)*
 
 **Returns:** [Null](_nodeheader_.null.md) | [BranchHeader](_nodeheader_.branchheader.md) | [ExtensionHeader](_nodeheader_.extensionheader.md) | [LeafHeader](_nodeheader_.leafheader.md)
 
@@ -68,7 +68,7 @@ ___
 
 ▸ **toU8a**(): `Uint8Array`
 
-*Defined in [NodeHeader.ts:122](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-codec/src/NodeHeader.ts#L122)*
+*Defined in [NodeHeader.ts:122](https://github.com/polkadot-js/common/blob/8513530/packages/trie-codec/src/NodeHeader.ts#L122)*
 
 **Returns:** `Uint8Array`
 
diff --git a/docs/trie-codec/modules/_constants_.md b/docs/trie-codec/modules/_constants_.md
index 79b52ae3c..de67a2269 100644
--- a/docs/trie-codec/modules/_constants_.md
+++ b/docs/trie-codec/modules/_constants_.md
@@ -8,7 +8,7 @@
 
 **● BRANCH_NODE_NO_VALUE**: *`254`* = 254
 
-*Defined in [constants.ts:10](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-codec/src/constants.ts#L10)*
+*Defined in [constants.ts:10](https://github.com/polkadot-js/common/blob/8513530/packages/trie-codec/src/constants.ts#L10)*
 
 ___
 <a id="branch_node_with_value"></a>
@@ -17,7 +17,7 @@ ___
 
 **● BRANCH_NODE_WITH_VALUE**: *`255`* = 255
 
-*Defined in [constants.ts:11](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-codec/src/constants.ts#L11)*
+*Defined in [constants.ts:11](https://github.com/polkadot-js/common/blob/8513530/packages/trie-codec/src/constants.ts#L11)*
 
 ___
 <a id="empty_trie"></a>
@@ -26,7 +26,7 @@ ___
 
 **● EMPTY_TRIE**: *`0`* = 0
 
-*Defined in [constants.ts:5](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-codec/src/constants.ts#L5)*
+*Defined in [constants.ts:5](https://github.com/polkadot-js/common/blob/8513530/packages/trie-codec/src/constants.ts#L5)*
 
 ___
 <a id="extension_node_big"></a>
@@ -35,7 +35,7 @@ ___
 
 **● EXTENSION_NODE_BIG**: *`253`* = 253
 
-*Defined in [constants.ts:9](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-codec/src/constants.ts#L9)*
+*Defined in [constants.ts:9](https://github.com/polkadot-js/common/blob/8513530/packages/trie-codec/src/constants.ts#L9)*
 
 ___
 <a id="extension_node_offset"></a>
@@ -44,7 +44,7 @@ ___
 
 **● EXTENSION_NODE_OFFSET**: *`128`* = 128
 
-*Defined in [constants.ts:8](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-codec/src/constants.ts#L8)*
+*Defined in [constants.ts:8](https://github.com/polkadot-js/common/blob/8513530/packages/trie-codec/src/constants.ts#L8)*
 
 ___
 <a id="extension_node_small_max"></a>
@@ -53,7 +53,7 @@ ___
 
 **● EXTENSION_NODE_SMALL_MAX**: *`number`* =  EXTENSION_NODE_BIG - 1
 
-*Defined in [constants.ts:15](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-codec/src/constants.ts#L15)*
+*Defined in [constants.ts:15](https://github.com/polkadot-js/common/blob/8513530/packages/trie-codec/src/constants.ts#L15)*
 
 ___
 <a id="extension_node_threshold"></a>
@@ -62,7 +62,7 @@ ___
 
 **● EXTENSION_NODE_THRESHOLD**: *`number`* =  EXTENSION_NODE_BIG - EXTENSION_NODE_OFFSET
 
-*Defined in [constants.ts:13](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-codec/src/constants.ts#L13)*
+*Defined in [constants.ts:13](https://github.com/polkadot-js/common/blob/8513530/packages/trie-codec/src/constants.ts#L13)*
 
 ___
 <a id="leaf_node_big"></a>
@@ -71,7 +71,7 @@ ___
 
 **● LEAF_NODE_BIG**: *`127`* = 127
 
-*Defined in [constants.ts:7](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-codec/src/constants.ts#L7)*
+*Defined in [constants.ts:7](https://github.com/polkadot-js/common/blob/8513530/packages/trie-codec/src/constants.ts#L7)*
 
 ___
 <a id="leaf_node_offset"></a>
@@ -80,7 +80,7 @@ ___
 
 **● LEAF_NODE_OFFSET**: *`1`* = 1
 
-*Defined in [constants.ts:6](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-codec/src/constants.ts#L6)*
+*Defined in [constants.ts:6](https://github.com/polkadot-js/common/blob/8513530/packages/trie-codec/src/constants.ts#L6)*
 
 ___
 <a id="leaf_node_small_max"></a>
@@ -89,7 +89,7 @@ ___
 
 **● LEAF_NODE_SMALL_MAX**: *`number`* =  LEAF_NODE_BIG - 1
 
-*Defined in [constants.ts:14](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-codec/src/constants.ts#L14)*
+*Defined in [constants.ts:14](https://github.com/polkadot-js/common/blob/8513530/packages/trie-codec/src/constants.ts#L14)*
 
 ___
 <a id="leaf_node_threshold"></a>
@@ -98,7 +98,7 @@ ___
 
 **● LEAF_NODE_THRESHOLD**: *`number`* =  LEAF_NODE_BIG - LEAF_NODE_OFFSET
 
-*Defined in [constants.ts:12](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-codec/src/constants.ts#L12)*
+*Defined in [constants.ts:12](https://github.com/polkadot-js/common/blob/8513530/packages/trie-codec/src/constants.ts#L12)*
 
 ___
 <a id="node_type_branch"></a>
@@ -107,7 +107,7 @@ ___
 
 **● NODE_TYPE_BRANCH**: *`1`* = 1
 
-*Defined in [constants.ts:17](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-codec/src/constants.ts#L17)*
+*Defined in [constants.ts:17](https://github.com/polkadot-js/common/blob/8513530/packages/trie-codec/src/constants.ts#L17)*
 
 ___
 <a id="node_type_ext"></a>
@@ -116,7 +116,7 @@ ___
 
 **● NODE_TYPE_EXT**: *`2`* = 2
 
-*Defined in [constants.ts:18](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-codec/src/constants.ts#L18)*
+*Defined in [constants.ts:18](https://github.com/polkadot-js/common/blob/8513530/packages/trie-codec/src/constants.ts#L18)*
 
 ___
 <a id="node_type_leaf"></a>
@@ -125,7 +125,7 @@ ___
 
 **● NODE_TYPE_LEAF**: *`3`* = 3
 
-*Defined in [constants.ts:19](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-codec/src/constants.ts#L19)*
+*Defined in [constants.ts:19](https://github.com/polkadot-js/common/blob/8513530/packages/trie-codec/src/constants.ts#L19)*
 
 ___
 <a id="node_type_null"></a>
@@ -134,7 +134,7 @@ ___
 
 **● NODE_TYPE_NULL**: *`0`* = 0
 
-*Defined in [constants.ts:16](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-codec/src/constants.ts#L16)*
+*Defined in [constants.ts:16](https://github.com/polkadot-js/common/blob/8513530/packages/trie-codec/src/constants.ts#L16)*
 
 ___
 
diff --git a/docs/trie-codec/modules/_decode_.md b/docs/trie-codec/modules/_decode_.md
index 76f100845..aec8e68e2 100644
--- a/docs/trie-codec/modules/_decode_.md
+++ b/docs/trie-codec/modules/_decode_.md
@@ -8,7 +8,7 @@
 
 ▸ **decode**(input: *`null` | `Uint8Array`*): `Uint8Array` | `null` | `Array`<`null` | `Uint8Array` | `Array`<`null` | `Uint8Array`>>
 
-*Defined in [decode.ts:95](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-codec/src/decode.ts#L95)*
+*Defined in [decode.ts:95](https://github.com/polkadot-js/common/blob/8513530/packages/trie-codec/src/decode.ts#L95)*
 
 **Parameters:**
 
diff --git a/docs/trie-codec/modules/_encode_.md b/docs/trie-codec/modules/_encode_.md
index 5f7953e89..5fdcd23b8 100644
--- a/docs/trie-codec/modules/_encode_.md
+++ b/docs/trie-codec/modules/_encode_.md
@@ -8,7 +8,7 @@
 
 ▸ **encode**(input?: *`null` | `Uint8Array` | `Array`<`null` | `Uint8Array`>*): `Uint8Array`
 
-*Defined in [encode.ts:101](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-codec/src/encode.ts#L101)*
+*Defined in [encode.ts:101](https://github.com/polkadot-js/common/blob/8513530/packages/trie-codec/src/encode.ts#L101)*
 
 **Parameters:**
 
diff --git a/docs/trie-codec/modules/_nibbles_.md b/docs/trie-codec/modules/_nibbles_.md
index eddd35c50..c3fd7cfc6 100644
--- a/docs/trie-codec/modules/_nibbles_.md
+++ b/docs/trie-codec/modules/_nibbles_.md
@@ -8,7 +8,7 @@
 
 ▸ **addNibblesTerminator**(nibbles: *`Uint8Array`*): `Uint8Array`
 
-*Defined in [nibbles.ts:31](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-codec/src/nibbles.ts#L31)*
+*Defined in [nibbles.ts:31](https://github.com/polkadot-js/common/blob/8513530/packages/trie-codec/src/nibbles.ts#L31)*
 
 **Parameters:**
 
@@ -25,7 +25,7 @@ ___
 
 ▸ **decodeNibbles**(value: *`null` | `Uint8Array`*): `Uint8Array`
 
-*Defined in [nibbles.ts:52](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-codec/src/nibbles.ts#L52)*
+*Defined in [nibbles.ts:52](https://github.com/polkadot-js/common/blob/8513530/packages/trie-codec/src/nibbles.ts#L52)*
 
 **Parameters:**
 
@@ -42,7 +42,7 @@ ___
 
 ▸ **encodeNibbles**(nibbles: *`Uint8Array`*): `Uint8Array`
 
-*Defined in [nibbles.ts:65](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-codec/src/nibbles.ts#L65)*
+*Defined in [nibbles.ts:65](https://github.com/polkadot-js/common/blob/8513530/packages/trie-codec/src/nibbles.ts#L65)*
 
 **Parameters:**
 
@@ -59,7 +59,7 @@ ___
 
 ▸ **extractKey**(key: *`null` | `Uint8Array`*): `Uint8Array`
 
-*Defined in [nibbles.ts:15](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-codec/src/nibbles.ts#L15)*
+*Defined in [nibbles.ts:15](https://github.com/polkadot-js/common/blob/8513530/packages/trie-codec/src/nibbles.ts#L15)*
 
 **Parameters:**
 
@@ -76,7 +76,7 @@ ___
 
 ▸ **extractNodeKey**(__namedParameters: *[`null` | `Uint8Array`]*): `Uint8Array`
 
-*Defined in [nibbles.ts:21](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-codec/src/nibbles.ts#L21)*
+*Defined in [nibbles.ts:21](https://github.com/polkadot-js/common/blob/8513530/packages/trie-codec/src/nibbles.ts#L21)*
 
 **Parameters:**
 
@@ -93,7 +93,7 @@ ___
 
 ▸ **isNibblesTerminated**(nibbles: *`Uint8Array`*): `boolean`
 
-*Defined in [nibbles.ts:27](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-codec/src/nibbles.ts#L27)*
+*Defined in [nibbles.ts:27](https://github.com/polkadot-js/common/blob/8513530/packages/trie-codec/src/nibbles.ts#L27)*
 
 **Parameters:**
 
@@ -110,7 +110,7 @@ ___
 
 ▸ **removeNibblesTerminator**(nibbles: *`Uint8Array`*): `Uint8Array`
 
-*Defined in [nibbles.ts:44](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-codec/src/nibbles.ts#L44)*
+*Defined in [nibbles.ts:44](https://github.com/polkadot-js/common/blob/8513530/packages/trie-codec/src/nibbles.ts#L44)*
 
 **Parameters:**
 
diff --git a/docs/trie-codec/modules/_stream_createbranch_.md b/docs/trie-codec/modules/_stream_createbranch_.md
index 90c11c0e1..0fa508654 100644
--- a/docs/trie-codec/modules/_stream_createbranch_.md
+++ b/docs/trie-codec/modules/_stream_createbranch_.md
@@ -8,7 +8,7 @@
 
 ▸ **createBranch**(value: *`Uint8Array` | `null`*, hasChildren: *`Array`<`boolean`>*): `Uint8Array`
 
-*Defined in [stream/createBranch.ts:10](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-codec/src/stream/createBranch.ts#L10)*
+*Defined in [stream/createBranch.ts:10](https://github.com/polkadot-js/common/blob/8513530/packages/trie-codec/src/stream/createBranch.ts#L10)*
 
 **Parameters:**
 
diff --git a/docs/trie-codec/modules/_stream_createempty_.md b/docs/trie-codec/modules/_stream_createempty_.md
index e73d6a3b2..bac7837fd 100644
--- a/docs/trie-codec/modules/_stream_createempty_.md
+++ b/docs/trie-codec/modules/_stream_createempty_.md
@@ -8,7 +8,7 @@
 
 ▸ **createEmpty**(): `Uint8Array`
 
-*Defined in [stream/createEmpty.ts:7](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-codec/src/stream/createEmpty.ts#L7)*
+*Defined in [stream/createEmpty.ts:7](https://github.com/polkadot-js/common/blob/8513530/packages/trie-codec/src/stream/createEmpty.ts#L7)*
 
 **Returns:** `Uint8Array`
 
diff --git a/docs/trie-codec/modules/_stream_createextension_.md b/docs/trie-codec/modules/_stream_createextension_.md
index e0630a338..e47090082 100644
--- a/docs/trie-codec/modules/_stream_createextension_.md
+++ b/docs/trie-codec/modules/_stream_createextension_.md
@@ -8,7 +8,7 @@
 
 ▸ **createExtension**(key: *`Uint8Array`*): `Uint8Array`
 
-*Defined in [stream/createExtension.ts:7](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-codec/src/stream/createExtension.ts#L7)*
+*Defined in [stream/createExtension.ts:7](https://github.com/polkadot-js/common/blob/8513530/packages/trie-codec/src/stream/createExtension.ts#L7)*
 
 **Parameters:**
 
diff --git a/docs/trie-codec/modules/_stream_createleaf_.md b/docs/trie-codec/modules/_stream_createleaf_.md
index 15bfd92e4..61fc2b71e 100644
--- a/docs/trie-codec/modules/_stream_createleaf_.md
+++ b/docs/trie-codec/modules/_stream_createleaf_.md
@@ -8,7 +8,7 @@
 
 ▸ **createLeaf**(key: *`Uint8Array`*, value: *`Uint8Array`*): `Uint8Array`
 
-*Defined in [stream/createLeaf.ts:10](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-codec/src/stream/createLeaf.ts#L10)*
+*Defined in [stream/createLeaf.ts:10](https://github.com/polkadot-js/common/blob/8513530/packages/trie-codec/src/stream/createLeaf.ts#L10)*
 
 **Parameters:**
 
diff --git a/docs/trie-codec/modules/_stream_createsubstream_.md b/docs/trie-codec/modules/_stream_createsubstream_.md
index da1a5da7a..d42fe5be1 100644
--- a/docs/trie-codec/modules/_stream_createsubstream_.md
+++ b/docs/trie-codec/modules/_stream_createsubstream_.md
@@ -8,7 +8,7 @@
 
 ▸ **createSubstream**(value: *`Uint8Array`*): `Uint8Array`
 
-*Defined in [stream/createSubstream.ts:8](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-codec/src/stream/createSubstream.ts#L8)*
+*Defined in [stream/createSubstream.ts:8](https://github.com/polkadot-js/common/blob/8513530/packages/trie-codec/src/stream/createSubstream.ts#L8)*
 
 **Parameters:**
 
diff --git a/docs/trie-codec/modules/_stream_createvalue_.md b/docs/trie-codec/modules/_stream_createvalue_.md
index fcfc18de4..b483a90ae 100644
--- a/docs/trie-codec/modules/_stream_createvalue_.md
+++ b/docs/trie-codec/modules/_stream_createvalue_.md
@@ -8,7 +8,7 @@
 
 ▸ **createValue**(value: *`null` | `Uint8Array`*): `Uint8Array`
 
-*Defined in [stream/createValue.ts:9](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-codec/src/stream/createValue.ts#L9)*
+*Defined in [stream/createValue.ts:9](https://github.com/polkadot-js/common/blob/8513530/packages/trie-codec/src/stream/createValue.ts#L9)*
 
 **Parameters:**
 
diff --git a/docs/trie-codec/modules/_stream_endbranch_.md b/docs/trie-codec/modules/_stream_endbranch_.md
index 0cd4f504d..c007937e3 100644
--- a/docs/trie-codec/modules/_stream_endbranch_.md
+++ b/docs/trie-codec/modules/_stream_endbranch_.md
@@ -8,7 +8,7 @@
 
 ▸ **encBranch**(value: *`Uint8Array` | `null`*): `Uint8Array`
 
-*Defined in [stream/endBranch.ts:7](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-codec/src/stream/endBranch.ts#L7)*
+*Defined in [stream/endBranch.ts:7](https://github.com/polkadot-js/common/blob/8513530/packages/trie-codec/src/stream/endBranch.ts#L7)*
 
 **Parameters:**
 
diff --git a/docs/trie-codec/modules/_types_.md b/docs/trie-codec/modules/_types_.md
index 1cd92e121..91657f1fb 100644
--- a/docs/trie-codec/modules/_types_.md
+++ b/docs/trie-codec/modules/_types_.md
@@ -8,7 +8,7 @@
 
 **Ƭ Codec**: *`object`*
 
-*Defined in [types.ts:5](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-codec/src/types.ts#L5)*
+*Defined in [types.ts:5](https://github.com/polkadot-js/common/blob/8513530/packages/trie-codec/src/types.ts#L5)*
 
 #### Type declaration
 
diff --git a/docs/trie-codec/modules/_util_fromnibbles_.md b/docs/trie-codec/modules/_util_fromnibbles_.md
index 7cce58277..6c628537a 100644
--- a/docs/trie-codec/modules/_util_fromnibbles_.md
+++ b/docs/trie-codec/modules/_util_fromnibbles_.md
@@ -8,7 +8,7 @@
 
 ▸ **fromNibbles**(input: *`Uint8Array`*): `Uint8Array`
 
-*Defined in [util/fromNibbles.ts:19](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-codec/src/util/fromNibbles.ts#L19)*
+*Defined in [util/fromNibbles.ts:19](https://github.com/polkadot-js/common/blob/8513530/packages/trie-codec/src/util/fromNibbles.ts#L19)*
 
 *__name__*: fromNibbles
 
diff --git a/docs/trie-codec/modules/_util_fusenibbles_.md b/docs/trie-codec/modules/_util_fusenibbles_.md
index 245596f19..eb3b8fa30 100644
--- a/docs/trie-codec/modules/_util_fusenibbles_.md
+++ b/docs/trie-codec/modules/_util_fusenibbles_.md
@@ -8,7 +8,7 @@
 
 ▸ **fuseNibbles**(nibbles: *`Uint8Array`*, isLeaf: *`boolean`*): `Uint8Array`
 
-*Defined in [util/fuseNibbles.ts:12](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-codec/src/util/fuseNibbles.ts#L12)*
+*Defined in [util/fuseNibbles.ts:12](https://github.com/polkadot-js/common/blob/8513530/packages/trie-codec/src/util/fuseNibbles.ts#L12)*
 
 **Parameters:**
 
diff --git a/docs/trie-codec/modules/_util_sharedprefixlength_.md b/docs/trie-codec/modules/_util_sharedprefixlength_.md
index 86f3ffb39..51eb30ced 100644
--- a/docs/trie-codec/modules/_util_sharedprefixlength_.md
+++ b/docs/trie-codec/modules/_util_sharedprefixlength_.md
@@ -8,7 +8,7 @@
 
 ▸ **sharedPrefixLength**(first: *`Uint8Array`*, second: *`Uint8Array`*): `number`
 
-*Defined in [util/sharedPrefixLength.ts:5](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-codec/src/util/sharedPrefixLength.ts#L5)*
+*Defined in [util/sharedPrefixLength.ts:5](https://github.com/polkadot-js/common/blob/8513530/packages/trie-codec/src/util/sharedPrefixLength.ts#L5)*
 
 **Parameters:**
 
diff --git a/docs/trie-codec/modules/_util_tonibbles_.md b/docs/trie-codec/modules/_util_tonibbles_.md
index c920381c1..83768332d 100644
--- a/docs/trie-codec/modules/_util_tonibbles_.md
+++ b/docs/trie-codec/modules/_util_tonibbles_.md
@@ -8,7 +8,7 @@
 
 ▸ **toNibbles**(input?: *`Uint8Array` | `null`*): `Uint8Array`
 
-*Defined in [util/toNibbles.ts:19](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-codec/src/util/toNibbles.ts#L19)*
+*Defined in [util/toNibbles.ts:19](https://github.com/polkadot-js/common/blob/8513530/packages/trie-codec/src/util/toNibbles.ts#L19)*
 
 *__name__*: toNibbles
 
diff --git a/docs/trie-db/classes/_checkpoint_.checkpoint.md b/docs/trie-db/classes/_checkpoint_.checkpoint.md
index f6557a1a5..b7cb242cd 100644
--- a/docs/trie-db/classes/_checkpoint_.checkpoint.md
+++ b/docs/trie-db/classes/_checkpoint_.checkpoint.md
@@ -14,7 +14,7 @@
 
 ⊕ **new Checkpoint**(rootHash: *`Uint8Array`*): [Checkpoint](_checkpoint_.checkpoint.md)
 
-*Defined in [Checkpoint.ts:7](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-db/src/Checkpoint.ts#L7)*
+*Defined in [Checkpoint.ts:7](https://github.com/polkadot-js/common/blob/8513530/packages/trie-db/src/Checkpoint.ts#L7)*
 
 **Parameters:**
 
diff --git a/docs/trie-db/classes/_impl_.impl.md b/docs/trie-db/classes/_impl_.impl.md
index 9164d32fc..004eb7152 100644
--- a/docs/trie-db/classes/_impl_.impl.md
+++ b/docs/trie-db/classes/_impl_.impl.md
@@ -29,7 +29,7 @@ Overview
 
 *Overrides [Checkpoint](_checkpoint_.checkpoint.md).[constructor](_checkpoint_.checkpoint.md#constructor)*
 
-*Defined in [Impl.ts:38](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-db/src/Impl.ts#L38)*
+*Defined in [Impl.ts:38](https://github.com/polkadot-js/common/blob/8513530/packages/trie-db/src/Impl.ts#L38)*
 
 **Parameters:**
 
@@ -51,7 +51,7 @@ ___
 
 **● db**: *`TxDb`*
 
-*Defined in [Impl.ts:36](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-db/src/Impl.ts#L36)*
+*Defined in [Impl.ts:36](https://github.com/polkadot-js/common/blob/8513530/packages/trie-db/src/Impl.ts#L36)*
 
 ___
 
diff --git a/docs/trie-db/classes/_index_.trie.md b/docs/trie-db/classes/_index_.trie.md
index 2bfdf975d..77faa8eb8 100644
--- a/docs/trie-db/classes/_index_.trie.md
+++ b/docs/trie-db/classes/_index_.trie.md
@@ -31,7 +31,7 @@ Overview
 
 *Overrides [Impl](_impl_.impl.md).[constructor](_impl_.impl.md#constructor)*
 
-*Defined in [index.ts:27](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-db/src/index.ts#L27)*
+*Defined in [index.ts:27](https://github.com/polkadot-js/common/blob/8513530/packages/trie-db/src/index.ts#L27)*
 
 **Parameters:**
 
@@ -57,7 +57,7 @@ ___
 
 *Inherited from [Impl](_impl_.impl.md).[db](_impl_.impl.md#db)*
 
-*Defined in [Impl.ts:36](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-db/src/Impl.ts#L36)*
+*Defined in [Impl.ts:36](https://github.com/polkadot-js/common/blob/8513530/packages/trie-db/src/Impl.ts#L36)*
 
 ___
 
@@ -71,7 +71,7 @@ ___
 
 *Implementation of [TrieDb](../interfaces/_types_.triedb.md).[close](../interfaces/_types_.triedb.md#close)*
 
-*Defined in [index.ts:58](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-db/src/index.ts#L58)*
+*Defined in [index.ts:58](https://github.com/polkadot-js/common/blob/8513530/packages/trie-db/src/index.ts#L58)*
 
 **Returns:** `void`
 
@@ -84,7 +84,7 @@ ___
 
 *Implementation of [TrieDb](../interfaces/_types_.triedb.md).[del](../interfaces/_types_.triedb.md#del)*
 
-*Defined in [index.ts:82](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-db/src/index.ts#L82)*
+*Defined in [index.ts:82](https://github.com/polkadot-js/common/blob/8513530/packages/trie-db/src/index.ts#L82)*
 
 **Parameters:**
 
@@ -103,7 +103,7 @@ ___
 
 *Implementation of [TrieDb](../interfaces/_types_.triedb.md).[drop](../interfaces/_types_.triedb.md#drop)*
 
-*Defined in [index.ts:66](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-db/src/index.ts#L66)*
+*Defined in [index.ts:66](https://github.com/polkadot-js/common/blob/8513530/packages/trie-db/src/index.ts#L66)*
 
 **Returns:** `void`
 
@@ -116,7 +116,7 @@ ___
 
 *Implementation of [TrieDb](../interfaces/_types_.triedb.md).[empty](../interfaces/_types_.triedb.md#empty)*
 
-*Defined in [index.ts:62](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-db/src/index.ts#L62)*
+*Defined in [index.ts:62](https://github.com/polkadot-js/common/blob/8513530/packages/trie-db/src/index.ts#L62)*
 
 **Returns:** `void`
 
@@ -129,7 +129,7 @@ ___
 
 *Implementation of [TrieDb](../interfaces/_types_.triedb.md).[get](../interfaces/_types_.triedb.md#get)*
 
-*Defined in [index.ts:93](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-db/src/index.ts#L93)*
+*Defined in [index.ts:93](https://github.com/polkadot-js/common/blob/8513530/packages/trie-db/src/index.ts#L93)*
 
 **Parameters:**
 
@@ -146,7 +146,7 @@ ___
 
 ▸ **getNode**(hash?: *`Uint8Array`*): [Node](../modules/_types_.md#node)
 
-*Defined in [index.ts:124](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-db/src/index.ts#L124)*
+*Defined in [index.ts:124](https://github.com/polkadot-js/common/blob/8513530/packages/trie-db/src/index.ts#L124)*
 
 **Parameters:**
 
@@ -165,7 +165,7 @@ ___
 
 *Implementation of [TrieDb](../interfaces/_types_.triedb.md).[getRoot](../interfaces/_types_.triedb.md#getroot)*
 
-*Defined in [index.ts:114](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-db/src/index.ts#L114)*
+*Defined in [index.ts:114](https://github.com/polkadot-js/common/blob/8513530/packages/trie-db/src/index.ts#L114)*
 
 **Returns:** `Uint8Array`
 
@@ -178,7 +178,7 @@ ___
 
 *Implementation of [TrieDb](../interfaces/_types_.triedb.md).[maintain](../interfaces/_types_.triedb.md#maintain)*
 
-*Defined in [index.ts:70](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-db/src/index.ts#L70)*
+*Defined in [index.ts:70](https://github.com/polkadot-js/common/blob/8513530/packages/trie-db/src/index.ts#L70)*
 
 **Parameters:**
 
@@ -197,7 +197,7 @@ ___
 
 *Implementation of [TrieDb](../interfaces/_types_.triedb.md).[open](../interfaces/_types_.triedb.md#open)*
 
-*Defined in [index.ts:54](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-db/src/index.ts#L54)*
+*Defined in [index.ts:54](https://github.com/polkadot-js/common/blob/8513530/packages/trie-db/src/index.ts#L54)*
 
 **Returns:** `void`
 
@@ -210,7 +210,7 @@ ___
 
 *Implementation of [TrieDb](../interfaces/_types_.triedb.md).[put](../interfaces/_types_.triedb.md#put)*
 
-*Defined in [index.ts:102](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-db/src/index.ts#L102)*
+*Defined in [index.ts:102](https://github.com/polkadot-js/common/blob/8513530/packages/trie-db/src/index.ts#L102)*
 
 **Parameters:**
 
@@ -230,7 +230,7 @@ ___
 
 *Implementation of [TrieDb](../interfaces/_types_.triedb.md).[rename](../interfaces/_types_.triedb.md#rename)*
 
-*Defined in [index.ts:74](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-db/src/index.ts#L74)*
+*Defined in [index.ts:74](https://github.com/polkadot-js/common/blob/8513530/packages/trie-db/src/index.ts#L74)*
 
 **Parameters:**
 
@@ -250,7 +250,7 @@ ___
 
 *Implementation of [TrieDb](../interfaces/_types_.triedb.md).[setRoot](../interfaces/_types_.triedb.md#setroot)*
 
-*Defined in [index.ts:128](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-db/src/index.ts#L128)*
+*Defined in [index.ts:128](https://github.com/polkadot-js/common/blob/8513530/packages/trie-db/src/index.ts#L128)*
 
 **Parameters:**
 
@@ -269,7 +269,7 @@ ___
 
 *Implementation of [TrieDb](../interfaces/_types_.triedb.md).[size](../interfaces/_types_.triedb.md#size)*
 
-*Defined in [index.ts:78](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-db/src/index.ts#L78)*
+*Defined in [index.ts:78](https://github.com/polkadot-js/common/blob/8513530/packages/trie-db/src/index.ts#L78)*
 
 **Returns:** `number`
 
@@ -282,7 +282,7 @@ ___
 
 *Implementation of [TrieDb](../interfaces/_types_.triedb.md).[snapshot](../interfaces/_types_.triedb.md#snapshot)*
 
-*Defined in [index.ts:133](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-db/src/index.ts#L133)*
+*Defined in [index.ts:133](https://github.com/polkadot-js/common/blob/8513530/packages/trie-db/src/index.ts#L133)*
 
 **Parameters:**
 
@@ -300,7 +300,7 @@ ___
 
 ▸ **transaction**(fn: *`function`*): `boolean`
 
-*Defined in [index.ts:34](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-db/src/index.ts#L34)*
+*Defined in [index.ts:34](https://github.com/polkadot-js/common/blob/8513530/packages/trie-db/src/index.ts#L34)*
 
 **Parameters:**
 
diff --git a/docs/trie-db/enums/_types_.nodetype.md b/docs/trie-db/enums/_types_.nodetype.md
index 2b3a02279..a5638d3b6 100644
--- a/docs/trie-db/enums/_types_.nodetype.md
+++ b/docs/trie-db/enums/_types_.nodetype.md
@@ -19,7 +19,7 @@
 
 **BRANCH**:  = 3
 
-*Defined in [types.ts:11](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-db/src/types.ts#L11)*
+*Defined in [types.ts:11](https://github.com/polkadot-js/common/blob/8513530/packages/trie-db/src/types.ts#L11)*
 
 ___
 <a id="empty"></a>
@@ -28,7 +28,7 @@ ___
 
 **EMPTY**:  = 0
 
-*Defined in [types.ts:8](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-db/src/types.ts#L8)*
+*Defined in [types.ts:8](https://github.com/polkadot-js/common/blob/8513530/packages/trie-db/src/types.ts#L8)*
 
 ___
 <a id="extension"></a>
@@ -37,7 +37,7 @@ ___
 
 **EXTENSION**:  = 2
 
-*Defined in [types.ts:10](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-db/src/types.ts#L10)*
+*Defined in [types.ts:10](https://github.com/polkadot-js/common/blob/8513530/packages/trie-db/src/types.ts#L10)*
 
 ___
 <a id="leaf"></a>
@@ -46,7 +46,7 @@ ___
 
 **LEAF**:  = 1
 
-*Defined in [types.ts:9](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-db/src/types.ts#L9)*
+*Defined in [types.ts:9](https://github.com/polkadot-js/common/blob/8513530/packages/trie-db/src/types.ts#L9)*
 
 ___
 
diff --git a/docs/trie-db/index.html b/docs/trie-db/index.html
index c85785373..512a05d8e 100644
--- a/docs/trie-db/index.html
+++ b/docs/trie-db/index.html
@@ -401,7 +401,7 @@
     <script>
         var gitbook = gitbook || [];
         gitbook.push(function() {
-            gitbook.page.hasChanged({"page":{"title":"trie-db","level":"1.3","depth":1,"next":{"title":"trie-hash","level":"1.4","depth":1,"path":"trie-hash/README.md","ref":"trie-hash/README.md","articles":[]},"previous":{"title":"keyring","level":"1.2","depth":1,"path":"keyring/README.md","ref":"keyring/README.md","articles":[]},"dir":"ltr"},"config":{"plugins":["include-codeblock","insert-logo-link","mermaid-gb3","-highlight","sunlight-highlighter"],"root":"docs","styles":{"website":"styles/website.css"},"pluginsConfig":{"insert-logo-link":{"src":"/common/logo.png","url":"https://polkadot.js.org"},"search":{},"lunr":{"maxIndexSize":1000000,"ignoreSpecialCharacters":false},"fontsettings":{"theme":"white","family":"sans","size":2},"mermaid-gb3":{},"include-codeblock":{"check":false,"edit":false,"lang":"","fixlang":false,"template":"default","theme":"chrome","unindent":false},"sharing":{"facebook":true,"twitter":true,"google":false,"weibo":false,"instapaper":false,"vk":false,"all":["facebook","google","twitter","weibo","instapaper"]},"theme-default":{"styles":{"website":"styles/website.css","pdf":"styles/pdf.css","epub":"styles/epub.css","mobi":"styles/mobi.css","ebook":"styles/ebook.css","print":"styles/print.css"},"showLevel":false},"sunlight-highlighter":{"theme":"gitbook","lineNumbers":false}},"theme":"default","pdf":{"pageNumbers":true,"fontSize":12,"fontFamily":"Arial","paperSize":"a4","chapterMark":"pagebreak","pageBreaksBefore":"/","margin":{"right":62,"left":62,"top":56,"bottom":56}},"structure":{"langs":"LANGS.md","readme":"README.md","glossary":"GLOSSARY.md","summary":"SUMMARY.md"},"variables":{},"title":"Polkadot Common Book","gitbook":">=2.4.0"},"file":{"path":"trie-db/README.md","mtime":"2019-02-15T07:39:17.202Z","type":"markdown"},"gitbook":{"version":"3.2.3","time":"2019-02-15T07:40:18.117Z"},"basePath":"..","book":{"language":""}});
+            gitbook.page.hasChanged({"page":{"title":"trie-db","level":"1.3","depth":1,"next":{"title":"trie-hash","level":"1.4","depth":1,"path":"trie-hash/README.md","ref":"trie-hash/README.md","articles":[]},"previous":{"title":"keyring","level":"1.2","depth":1,"path":"keyring/README.md","ref":"keyring/README.md","articles":[]},"dir":"ltr"},"config":{"plugins":["include-codeblock","insert-logo-link","mermaid-gb3","-highlight","sunlight-highlighter"],"root":"docs","styles":{"website":"styles/website.css"},"pluginsConfig":{"insert-logo-link":{"src":"/common/logo.png","url":"https://polkadot.js.org"},"search":{},"lunr":{"maxIndexSize":1000000,"ignoreSpecialCharacters":false},"fontsettings":{"theme":"white","family":"sans","size":2},"mermaid-gb3":{},"include-codeblock":{"check":false,"edit":false,"lang":"","fixlang":false,"template":"default","theme":"chrome","unindent":false},"sharing":{"facebook":true,"twitter":true,"google":false,"weibo":false,"instapaper":false,"vk":false,"all":["facebook","google","twitter","weibo","instapaper"]},"theme-default":{"styles":{"website":"styles/website.css","pdf":"styles/pdf.css","epub":"styles/epub.css","mobi":"styles/mobi.css","ebook":"styles/ebook.css","print":"styles/print.css"},"showLevel":false},"sunlight-highlighter":{"theme":"gitbook","lineNumbers":false}},"theme":"default","pdf":{"pageNumbers":true,"fontSize":12,"fontFamily":"Arial","paperSize":"a4","chapterMark":"pagebreak","pageBreaksBefore":"/","margin":{"right":62,"left":62,"top":56,"bottom":56}},"structure":{"langs":"LANGS.md","readme":"README.md","glossary":"GLOSSARY.md","summary":"SUMMARY.md"},"variables":{},"title":"Polkadot Common Book","gitbook":">=2.4.0"},"file":{"path":"trie-db/README.md","mtime":"2019-02-15T08:37:58.802Z","type":"markdown"},"gitbook":{"version":"3.2.3","time":"2019-02-15T08:39:01.754Z"},"basePath":"..","book":{"language":""}});
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     </script>
 </div>
diff --git a/docs/trie-db/interfaces/_types_.triedb.md b/docs/trie-db/interfaces/_types_.triedb.md
index 49407bd71..685cd507c 100644
--- a/docs/trie-db/interfaces/_types_.triedb.md
+++ b/docs/trie-db/interfaces/_types_.triedb.md
@@ -18,7 +18,7 @@
 
 **● db**: *`TxDb`*
 
-*Defined in [types.ts:37](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-db/src/types.ts#L37)*
+*Defined in [types.ts:37](https://github.com/polkadot-js/common/blob/8513530/packages/trie-db/src/types.ts#L37)*
 
 ___
 
@@ -32,7 +32,7 @@ ___
 
 *Inherited from BaseDb.close*
 
-*Defined in [/home/travis/build/polkadot-js/common/packages/db/src/types.ts:18](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/types.ts#L18)*
+*Defined in [/home/travis/build/polkadot-js/common/packages/db/src/types.ts:18](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/types.ts#L18)*
 
 **Returns:** `void`
 
@@ -45,7 +45,7 @@ ___
 
 *Inherited from BaseDb.del*
 
-*Defined in [/home/travis/build/polkadot-js/common/packages/db/src/types.ts:26](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/types.ts#L26)*
+*Defined in [/home/travis/build/polkadot-js/common/packages/db/src/types.ts:26](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/types.ts#L26)*
 
 **Parameters:**
 
@@ -64,7 +64,7 @@ ___
 
 *Inherited from BaseDb.drop*
 
-*Defined in [/home/travis/build/polkadot-js/common/packages/db/src/types.ts:20](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/types.ts#L20)*
+*Defined in [/home/travis/build/polkadot-js/common/packages/db/src/types.ts:20](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/types.ts#L20)*
 
 **Returns:** `void`
 
@@ -77,7 +77,7 @@ ___
 
 *Inherited from BaseDb.empty*
 
-*Defined in [/home/travis/build/polkadot-js/common/packages/db/src/types.ts:21](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/types.ts#L21)*
+*Defined in [/home/travis/build/polkadot-js/common/packages/db/src/types.ts:21](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/types.ts#L21)*
 
 **Returns:** `void`
 
@@ -90,7 +90,7 @@ ___
 
 *Inherited from BaseDb.get*
 
-*Defined in [/home/travis/build/polkadot-js/common/packages/db/src/types.ts:27](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/types.ts#L27)*
+*Defined in [/home/travis/build/polkadot-js/common/packages/db/src/types.ts:27](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/types.ts#L27)*
 
 **Parameters:**
 
@@ -107,7 +107,7 @@ ___
 
 ▸ **getRoot**(): `Uint8Array`
 
-*Defined in [types.ts:39](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-db/src/types.ts#L39)*
+*Defined in [types.ts:39](https://github.com/polkadot-js/common/blob/8513530/packages/trie-db/src/types.ts#L39)*
 
 **Returns:** `Uint8Array`
 
@@ -120,7 +120,7 @@ ___
 
 *Inherited from BaseDb.maintain*
 
-*Defined in [/home/travis/build/polkadot-js/common/packages/db/src/types.ts:22](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/types.ts#L22)*
+*Defined in [/home/travis/build/polkadot-js/common/packages/db/src/types.ts:22](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/types.ts#L22)*
 
 **Parameters:**
 
@@ -139,7 +139,7 @@ ___
 
 *Inherited from BaseDb.open*
 
-*Defined in [/home/travis/build/polkadot-js/common/packages/db/src/types.ts:19](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/types.ts#L19)*
+*Defined in [/home/travis/build/polkadot-js/common/packages/db/src/types.ts:19](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/types.ts#L19)*
 
 **Returns:** `void`
 
@@ -152,7 +152,7 @@ ___
 
 *Inherited from BaseDb.put*
 
-*Defined in [/home/travis/build/polkadot-js/common/packages/db/src/types.ts:28](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/types.ts#L28)*
+*Defined in [/home/travis/build/polkadot-js/common/packages/db/src/types.ts:28](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/types.ts#L28)*
 
 **Parameters:**
 
@@ -172,7 +172,7 @@ ___
 
 *Inherited from BaseDb.rename*
 
-*Defined in [/home/travis/build/polkadot-js/common/packages/db/src/types.ts:23](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/types.ts#L23)*
+*Defined in [/home/travis/build/polkadot-js/common/packages/db/src/types.ts:23](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/types.ts#L23)*
 
 **Parameters:**
 
@@ -190,7 +190,7 @@ ___
 
 ▸ **setRoot**(rootHash: *`Uint8Array`*): `void`
 
-*Defined in [types.ts:40](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-db/src/types.ts#L40)*
+*Defined in [types.ts:40](https://github.com/polkadot-js/common/blob/8513530/packages/trie-db/src/types.ts#L40)*
 
 **Parameters:**
 
@@ -209,7 +209,7 @@ ___
 
 *Inherited from BaseDb.size*
 
-*Defined in [/home/travis/build/polkadot-js/common/packages/db/src/types.ts:24](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/types.ts#L24)*
+*Defined in [/home/travis/build/polkadot-js/common/packages/db/src/types.ts:24](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/types.ts#L24)*
 
 **Returns:** `number`
 
@@ -220,7 +220,7 @@ ___
 
 ▸ **snapshot**(dest: *[TrieDb](_types_.triedb.md)*, fn: *`ProgressCb`*): `number`
 
-*Defined in [types.ts:41](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-db/src/types.ts#L41)*
+*Defined in [types.ts:41](https://github.com/polkadot-js/common/blob/8513530/packages/trie-db/src/types.ts#L41)*
 
 **Parameters:**
 
@@ -240,7 +240,7 @@ ___
 
 *Inherited from TxDb.transaction*
 
-*Defined in [/home/travis/build/polkadot-js/common/packages/db/src/types.ts:32](https://github.com/polkadot-js/common/blob/49b0c84/packages/db/src/types.ts#L32)*
+*Defined in [/home/travis/build/polkadot-js/common/packages/db/src/types.ts:32](https://github.com/polkadot-js/common/blob/8513530/packages/db/src/types.ts#L32)*
 
 **Parameters:**
 
diff --git a/docs/trie-db/modules/_constants_.md b/docs/trie-db/modules/_constants_.md
index e404cb54a..867b15db0 100644
--- a/docs/trie-db/modules/_constants_.md
+++ b/docs/trie-db/modules/_constants_.md
@@ -8,7 +8,7 @@
 
 **Ƭ Constants**: *`object`*
 
-*Defined in [constants.ts:9](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-db/src/constants.ts#L9)*
+*Defined in [constants.ts:9](https://github.com/polkadot-js/common/blob/8513530/packages/trie-db/src/constants.ts#L9)*
 
 #### Type declaration
 
@@ -22,7 +22,7 @@ ___
 
 ▸ **default**(codec: *`Codec`*): `object`
 
-*Defined in [constants.ts:14](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-db/src/constants.ts#L14)*
+*Defined in [constants.ts:14](https://github.com/polkadot-js/common/blob/8513530/packages/trie-db/src/constants.ts#L14)*
 
 **Parameters:**
 
diff --git a/docs/trie-db/modules/_types_.md b/docs/trie-db/modules/_types_.md
index 3b983c1b8..dff94a12e 100644
--- a/docs/trie-db/modules/_types_.md
+++ b/docs/trie-db/modules/_types_.md
@@ -31,7 +31,7 @@
 
 **Ƭ EncodedPath**: *`Uint8Array` | `null`*
 
-*Defined in [types.ts:28](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-db/src/types.ts#L28)*
+*Defined in [types.ts:28](https://github.com/polkadot-js/common/blob/8513530/packages/trie-db/src/types.ts#L28)*
 
 ___
 <a id="node"></a>
@@ -40,7 +40,7 @@ ___
 
 **Ƭ Node**: *[NodeEmpty](_types_.md#nodeempty) | [NodeNotEmpty](_types_.md#nodenotempty)*
 
-*Defined in [types.ts:34](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-db/src/types.ts#L34)*
+*Defined in [types.ts:34](https://github.com/polkadot-js/common/blob/8513530/packages/trie-db/src/types.ts#L34)*
 
 ___
 <a id="nodebranch"></a>
@@ -49,7 +49,7 @@ ___
 
 **Ƭ NodeBranch**: *[[NodeEncodedOrEmpty](_types_.md#nodeencodedorempty), [NodeEncodedOrEmpty](_types_.md#nodeencodedorempty), [NodeEncodedOrEmpty](_types_.md#nodeencodedorempty), [NodeEncodedOrEmpty](_types_.md#nodeencodedorempty), [NodeEncodedOrEmpty](_types_.md#nodeencodedorempty), [NodeEncodedOrEmpty](_types_.md#nodeencodedorempty), [NodeEncodedOrEmpty](_types_.md#nodeencodedorempty), [NodeEncodedOrEmpty](_types_.md#nodeencodedorempty), [NodeEncodedOrEmpty](_types_.md#nodeencodedorempty), [NodeEncodedOrEmpty](_types_.md#nodeencodedorempty), [NodeEncodedOrEmpty](_types_.md#nodeencodedorempty), [NodeEncodedOrEmpty](_types_.md#nodeencodedorempty), [NodeEncodedOrEmpty](_types_.md#nodeencodedorempty), [NodeEncodedOrEmpty](_types_.md#nodeencodedorempty), [NodeEncodedOrEmpty](_types_.md#nodeencodedorempty), [NodeEncodedOrEmpty](_types_.md#nodeencodedorempty), [NodeEncodedOrEmpty](_types_.md#nodeencodedorempty)]*
 
-*Defined in [types.ts:20](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-db/src/types.ts#L20)*
+*Defined in [types.ts:20](https://github.com/polkadot-js/common/blob/8513530/packages/trie-db/src/types.ts#L20)*
 
 ___
 <a id="nodeempty"></a>
@@ -58,7 +58,7 @@ ___
 
 **Ƭ NodeEmpty**: *`null`*
 
-*Defined in [types.ts:14](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-db/src/types.ts#L14)*
+*Defined in [types.ts:14](https://github.com/polkadot-js/common/blob/8513530/packages/trie-db/src/types.ts#L14)*
 
 ___
 <a id="nodeencoded"></a>
@@ -67,7 +67,7 @@ ___
 
 **Ƭ NodeEncoded**: *`Uint8Array`*
 
-*Defined in [types.ts:16](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-db/src/types.ts#L16)*
+*Defined in [types.ts:16](https://github.com/polkadot-js/common/blob/8513530/packages/trie-db/src/types.ts#L16)*
 
 ___
 <a id="nodeencodedorempty"></a>
@@ -76,7 +76,7 @@ ___
 
 **Ƭ NodeEncodedOrEmpty**: *[NodeEncoded](_types_.md#nodeencoded) | [NodeEmpty](_types_.md#nodeempty)*
 
-*Defined in [types.ts:18](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-db/src/types.ts#L18)*
+*Defined in [types.ts:18](https://github.com/polkadot-js/common/blob/8513530/packages/trie-db/src/types.ts#L18)*
 
 ___
 <a id="nodekv"></a>
@@ -85,7 +85,7 @@ ___
 
 **Ƭ NodeKv**: *[[EncodedPath](_types_.md#encodedpath), [NodeEncodedOrEmpty](_types_.md#nodeencodedorempty)]*
 
-*Defined in [types.ts:30](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-db/src/types.ts#L30)*
+*Defined in [types.ts:30](https://github.com/polkadot-js/common/blob/8513530/packages/trie-db/src/types.ts#L30)*
 
 ___
 <a id="nodenotempty"></a>
@@ -94,7 +94,7 @@ ___
 
 **Ƭ NodeNotEmpty**: *[NodeKv](_types_.md#nodekv) | [NodeBranch](_types_.md#nodebranch)*
 
-*Defined in [types.ts:32](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-db/src/types.ts#L32)*
+*Defined in [types.ts:32](https://github.com/polkadot-js/common/blob/8513530/packages/trie-db/src/types.ts#L32)*
 
 ___
 
diff --git a/docs/trie-db/modules/_util_is_.md b/docs/trie-db/modules/_util_is_.md
index a1d6c52fd..7e800d4f5 100644
--- a/docs/trie-db/modules/_util_is_.md
+++ b/docs/trie-db/modules/_util_is_.md
@@ -8,7 +8,7 @@
 
 ▸ **isBranchNode**(node: *[Node](_types_.md#node)*): `boolean`
 
-*Defined in [util/is.ts:52](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-db/src/util/is.ts#L52)*
+*Defined in [util/is.ts:52](https://github.com/polkadot-js/common/blob/8513530/packages/trie-db/src/util/is.ts#L52)*
 
 *__name__*: isBranchNode
 
@@ -31,7 +31,7 @@ ___
 
 ▸ **isEmptyNode**(node: *[Node](_types_.md#node)*): `boolean`
 
-*Defined in [util/is.ts:16](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-db/src/util/is.ts#L16)*
+*Defined in [util/is.ts:16](https://github.com/polkadot-js/common/blob/8513530/packages/trie-db/src/util/is.ts#L16)*
 
 *__name__*: isEmptyNode
 
@@ -54,7 +54,7 @@ ___
 
 ▸ **isExtensionNode**(node: *[Node](_types_.md#node)*): `boolean`
 
-*Defined in [util/is.ts:34](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-db/src/util/is.ts#L34)*
+*Defined in [util/is.ts:34](https://github.com/polkadot-js/common/blob/8513530/packages/trie-db/src/util/is.ts#L34)*
 
 *__name__*: isExtensionNode
 
@@ -77,7 +77,7 @@ ___
 
 ▸ **isKvNode**(node: *[Node](_types_.md#node)*): `boolean`
 
-*Defined in [util/is.ts:25](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-db/src/util/is.ts#L25)*
+*Defined in [util/is.ts:25](https://github.com/polkadot-js/common/blob/8513530/packages/trie-db/src/util/is.ts#L25)*
 
 *__name__*: isKvNode
 
@@ -100,7 +100,7 @@ ___
 
 ▸ **isLeafNode**(node: *[Node](_types_.md#node)*): `boolean`
 
-*Defined in [util/is.ts:43](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-db/src/util/is.ts#L43)*
+*Defined in [util/is.ts:43](https://github.com/polkadot-js/common/blob/8513530/packages/trie-db/src/util/is.ts#L43)*
 
 *__name__*: isLeafNode
 
diff --git a/docs/trie-db/modules/_util_key_.md b/docs/trie-db/modules/_util_key_.md
index 54fa67f85..ba21f4928 100644
--- a/docs/trie-db/modules/_util_key_.md
+++ b/docs/trie-db/modules/_util_key_.md
@@ -8,7 +8,7 @@
 
 ▸ **computeExtensionKey**(nibbles: *`Uint8Array`*): [EncodedPath](_types_.md#encodedpath)
 
-*Defined in [util/key.ts:36](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-db/src/util/key.ts#L36)*
+*Defined in [util/key.ts:36](https://github.com/polkadot-js/common/blob/8513530/packages/trie-db/src/util/key.ts#L36)*
 
 **Parameters:**
 
@@ -25,7 +25,7 @@ ___
 
 ▸ **computeLeafKey**(nibbles: *`Uint8Array`*): [EncodedPath](_types_.md#encodedpath)
 
-*Defined in [util/key.ts:40](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-db/src/util/key.ts#L40)*
+*Defined in [util/key.ts:40](https://github.com/polkadot-js/common/blob/8513530/packages/trie-db/src/util/key.ts#L40)*
 
 **Parameters:**
 
@@ -42,7 +42,7 @@ ___
 
 ▸ **consumeCommonPrefix**(left: *`Uint8Array`*, right: *`Uint8Array`*): [`Uint8Array`, `Uint8Array`, `Uint8Array`]
 
-*Defined in [util/key.ts:56](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-db/src/util/key.ts#L56)*
+*Defined in [util/key.ts:56](https://github.com/polkadot-js/common/blob/8513530/packages/trie-db/src/util/key.ts#L56)*
 
 **Parameters:**
 
@@ -60,7 +60,7 @@ ___
 
 ▸ **getCommonPrefixLength**(left: *`Uint8Array`*, right: *`Uint8Array`*): `number`
 
-*Defined in [util/key.ts:46](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-db/src/util/key.ts#L46)*
+*Defined in [util/key.ts:46](https://github.com/polkadot-js/common/blob/8513530/packages/trie-db/src/util/key.ts#L46)*
 
 **Parameters:**
 
@@ -78,7 +78,7 @@ ___
 
 ▸ **keyEquals**(key: *`Uint8Array` | `null`*, test: *`Uint8Array` | `null`*): `boolean`
 
-*Defined in [util/key.ts:10](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-db/src/util/key.ts#L10)*
+*Defined in [util/key.ts:10](https://github.com/polkadot-js/common/blob/8513530/packages/trie-db/src/util/key.ts#L10)*
 
 **Parameters:**
 
@@ -96,7 +96,7 @@ ___
 
 ▸ **keyStartsWith**(key: *`Uint8Array` | `null`*, partial: *`Uint8Array` | `null`*): `boolean`
 
-*Defined in [util/key.ts:20](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-db/src/util/key.ts#L20)*
+*Defined in [util/key.ts:20](https://github.com/polkadot-js/common/blob/8513530/packages/trie-db/src/util/key.ts#L20)*
 
 **Parameters:**
 
diff --git a/docs/trie-db/modules/_util_node_.md b/docs/trie-db/modules/_util_node_.md
index c80a4566a..ee1d84a8e 100644
--- a/docs/trie-db/modules/_util_node_.md
+++ b/docs/trie-db/modules/_util_node_.md
@@ -8,7 +8,7 @@
 
 ▸ **decodeNode**(codec: *`Codec`*, encoded: *`Uint8Array` | [Node](_types_.md#node)*): [Node](_types_.md#node)
 
-*Defined in [util/node.ts:30](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-db/src/util/node.ts#L30)*
+*Defined in [util/node.ts:30](https://github.com/polkadot-js/common/blob/8513530/packages/trie-db/src/util/node.ts#L30)*
 
 **Parameters:**
 
@@ -26,7 +26,7 @@ ___
 
 ▸ **encodeNode**(codec: *`Codec`*, node: *[Node](_types_.md#node)*): `Uint8Array`
 
-*Defined in [util/node.ts:46](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-db/src/util/node.ts#L46)*
+*Defined in [util/node.ts:46](https://github.com/polkadot-js/common/blob/8513530/packages/trie-db/src/util/node.ts#L46)*
 
 **Parameters:**
 
@@ -44,7 +44,7 @@ ___
 
 ▸ **getNodeType**(node: *[Node](_types_.md#node)*): [NodeType](../enums/_types_.nodetype.md)
 
-*Defined in [util/node.ts:13](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-db/src/util/node.ts#L13)*
+*Defined in [util/node.ts:13](https://github.com/polkadot-js/common/blob/8513530/packages/trie-db/src/util/node.ts#L13)*
 
 **Parameters:**
 
diff --git a/docs/trie-hash/index.html b/docs/trie-hash/index.html
index 957266fd2..9890c9448 100644
--- a/docs/trie-hash/index.html
+++ b/docs/trie-hash/index.html
@@ -391,7 +391,7 @@
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+            gitbook.page.hasChanged({"page":{"title":"trie-hash","level":"1.4","depth":1,"next":{"title":"util","level":"1.5","depth":1,"path":"util/README.md","ref":"util/README.md","articles":[]},"previous":{"title":"trie-db","level":"1.3","depth":1,"path":"trie-db/README.md","ref":"trie-db/README.md","articles":[]},"dir":"ltr"},"config":{"plugins":["include-codeblock","insert-logo-link","mermaid-gb3","-highlight","sunlight-highlighter"],"root":"docs","styles":{"website":"styles/website.css"},"pluginsConfig":{"insert-logo-link":{"src":"/common/logo.png","url":"https://polkadot.js.org"},"search":{},"lunr":{"maxIndexSize":1000000,"ignoreSpecialCharacters":false},"fontsettings":{"theme":"white","family":"sans","size":2},"mermaid-gb3":{},"include-codeblock":{"check":false,"edit":false,"lang":"","fixlang":false,"template":"default","theme":"chrome","unindent":false},"sharing":{"facebook":true,"twitter":true,"google":false,"weibo":false,"instapaper":false,"vk":false,"all":["facebook","google","twitter","weibo","instapaper"]},"theme-default":{"styles":{"website":"styles/website.css","pdf":"styles/pdf.css","epub":"styles/epub.css","mobi":"styles/mobi.css","ebook":"styles/ebook.css","print":"styles/print.css"},"showLevel":false},"sunlight-highlighter":{"theme":"gitbook","lineNumbers":false}},"theme":"default","pdf":{"pageNumbers":true,"fontSize":12,"fontFamily":"Arial","paperSize":"a4","chapterMark":"pagebreak","pageBreaksBefore":"/","margin":{"right":62,"left":62,"top":56,"bottom":56}},"structure":{"langs":"LANGS.md","readme":"README.md","glossary":"GLOSSARY.md","summary":"SUMMARY.md"},"variables":{},"title":"Polkadot Common Book","gitbook":">=2.4.0"},"file":{"path":"trie-hash/README.md","mtime":"2019-02-15T08:38:06.606Z","type":"markdown"},"gitbook":{"version":"3.2.3","time":"2019-02-15T08:39:01.754Z"},"basePath":"..","book":{"language":""}});
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 </div>
diff --git a/docs/trie-hash/modules/_buildtrie_.md b/docs/trie-hash/modules/_buildtrie_.md
index e69d7695b..9fd3df6fa 100644
--- a/docs/trie-hash/modules/_buildtrie_.md
+++ b/docs/trie-hash/modules/_buildtrie_.md
@@ -8,7 +8,7 @@
 
 ▸ **buildTrie**(input: *`Array`<[`Uint8Array`, `Uint8Array`]>*, cursor?: *`number`*, codec?: *`Codec`*, stream?: *`any`*): `Uint8Array`
 
-*Defined in [buildTrie.ts:77](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-hash/src/buildTrie.ts#L77)*
+*Defined in [buildTrie.ts:77](https://github.com/polkadot-js/common/blob/8513530/packages/trie-hash/src/buildTrie.ts#L77)*
 
 **Parameters:**
 
diff --git a/docs/trie-hash/modules/_trieroot_.md b/docs/trie-hash/modules/_trieroot_.md
index d2ec4d07f..298eaf724 100644
--- a/docs/trie-hash/modules/_trieroot_.md
+++ b/docs/trie-hash/modules/_trieroot_.md
@@ -8,7 +8,7 @@
 
 ▸ **trieRoot**(input: *`Array`<[TriePair](_types_.md#triepair)>*, codec?: *`Codec`*): `Uint8Array`
 
-*Defined in [trieRoot.ts:29](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-hash/src/trieRoot.ts#L29)*
+*Defined in [trieRoot.ts:29](https://github.com/polkadot-js/common/blob/8513530/packages/trie-hash/src/trieRoot.ts#L29)*
 
 *__name__*: trieRoot
 
diff --git a/docs/trie-hash/modules/_trierootordered_.md b/docs/trie-hash/modules/_trierootordered_.md
index 7f9f4445d..fa2adf284 100644
--- a/docs/trie-hash/modules/_trierootordered_.md
+++ b/docs/trie-hash/modules/_trierootordered_.md
@@ -8,7 +8,7 @@
 
 ▸ **trieRootOrdered**(input: *`Array`<`Uint8Array`>*, codec?: *`Codec`*): `Uint8Array`
 
-*Defined in [trieRootOrdered.ts:30](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-hash/src/trieRootOrdered.ts#L30)*
+*Defined in [trieRootOrdered.ts:30](https://github.com/polkadot-js/common/blob/8513530/packages/trie-hash/src/trieRootOrdered.ts#L30)*
 
 *__name__*: trieRootOrdered
 
diff --git a/docs/trie-hash/modules/_types_.md b/docs/trie-hash/modules/_types_.md
index 7d093c3dc..b7e0a38cf 100644
--- a/docs/trie-hash/modules/_types_.md
+++ b/docs/trie-hash/modules/_types_.md
@@ -8,7 +8,7 @@
 
 **Ƭ TriePair**: *`object`*
 
-*Defined in [types.ts:5](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-hash/src/types.ts#L5)*
+*Defined in [types.ts:5](https://github.com/polkadot-js/common/blob/8513530/packages/trie-hash/src/types.ts#L5)*
 
 #### Type declaration
 
diff --git a/docs/trie-hash/modules/_unhashedtrie_.md b/docs/trie-hash/modules/_unhashedtrie_.md
index 59cf5f33f..ad141d9aa 100644
--- a/docs/trie-hash/modules/_unhashedtrie_.md
+++ b/docs/trie-hash/modules/_unhashedtrie_.md
@@ -8,7 +8,7 @@
 
 ▸ **unhashedTrie**(input: *`Array`<[TriePair](_types_.md#triepair)>*, codec?: *`Codec`*): `Uint8Array`
 
-*Defined in [unhashedTrie.ts:14](https://github.com/polkadot-js/common/blob/49b0c84/packages/trie-hash/src/unhashedTrie.ts#L14)*
+*Defined in [unhashedTrie.ts:14](https://github.com/polkadot-js/common/blob/8513530/packages/trie-hash/src/unhashedTrie.ts#L14)*
 
 **Parameters:**
 
diff --git a/docs/util-crypto/SUMMARY.md b/docs/util-crypto/SUMMARY.md
index c90a7bcb7..94bc82f17 100644
--- a/docs/util-crypto/SUMMARY.md
+++ b/docs/util-crypto/SUMMARY.md
@@ -49,6 +49,7 @@
 * [&quot;schnorrkel/index&quot;](modules/_schnorrkel_index_.md)
 * [&quot;schnorrkel/keypair/fromSeed&quot;](modules/_schnorrkel_keypair_fromseed_.md)
 * [&quot;schnorrkel/keypair/fromSeed.spec&quot;](modules/_schnorrkel_keypair_fromseed_spec_.md)
+* [&quot;schnorrkel/ready&quot;](modules/_schnorrkel_ready_.md)
 * [&quot;schnorrkel/schnorrkel-js/index&quot;](modules/_schnorrkel_schnorrkel_js_index_.md)
 * [&quot;schnorrkel/schnorrkel-js/polyfill&quot;](modules/_schnorrkel_schnorrkel_js_polyfill_.md)
 * [&quot;schnorrkel/sign&quot;](modules/_schnorrkel_sign_.md)
diff --git a/docs/util-crypto/index.html b/docs/util-crypto/index.html
index 9b5f6297d..906fd009f 100644
--- a/docs/util-crypto/index.html
+++ b/docs/util-crypto/index.html
@@ -485,7 +485,7 @@
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diff --git a/docs/util-crypto/modules/_blake2_ashex_.md b/docs/util-crypto/modules/_blake2_ashex_.md
index 4767bda58..d831c955c 100644
--- a/docs/util-crypto/modules/_blake2_ashex_.md
+++ b/docs/util-crypto/modules/_blake2_ashex_.md
@@ -8,7 +8,7 @@
 
 ▸ **blake2AsHex**(data: *`Uint8Array` | `string`*, bitLength?: *`number`*): `string`
 
-*Defined in [blake2/asHex.ts:21](https://github.com/polkadot-js/common/blob/49b0c84/packages/util-crypto/src/blake2/asHex.ts#L21)*
+*Defined in [blake2/asHex.ts:21](https://github.com/polkadot-js/common/blob/8513530/packages/util-crypto/src/blake2/asHex.ts#L21)*
 
 *__name__*: blake2AsHex
 
diff --git a/docs/util-crypto/modules/_blake2_asu8a_.md b/docs/util-crypto/modules/_blake2_asu8a_.md
index 965bfd8c0..4afeb98b9 100644
--- a/docs/util-crypto/modules/_blake2_asu8a_.md
+++ b/docs/util-crypto/modules/_blake2_asu8a_.md
@@ -8,7 +8,7 @@
 
 ▸ **blake2AsU8a**(data: *`Uint8Array` | `string`*, bitLength?: *`number`*, key?: *`Uint8Array`*): `Uint8Array`
 
-*Defined in [blake2/asU8a.ts:21](https://github.com/polkadot-js/common/blob/49b0c84/packages/util-crypto/src/blake2/asU8a.ts#L21)*
+*Defined in [blake2/asU8a.ts:21](https://github.com/polkadot-js/common/blob/8513530/packages/util-crypto/src/blake2/asU8a.ts#L21)*
 
 *__name__*: blake2AsU8a
 
diff --git a/docs/util-crypto/modules/_blake2_blake2b_ashex_.md b/docs/util-crypto/modules/_blake2_blake2b_ashex_.md
index 6a02c06e2..8d5f7a2bb 100644
--- a/docs/util-crypto/modules/_blake2_blake2b_ashex_.md
+++ b/docs/util-crypto/modules/_blake2_blake2b_ashex_.md
@@ -8,7 +8,7 @@
 
 ▸ **blake2bAsHex**(data: *`Uint8Array` | `string`*, bitLength?: *`number`*): `string`
 
-*Defined in [blake2/blake2b/asHex.ts:23](https://github.com/polkadot-js/common/blob/49b0c84/packages/util-crypto/src/blake2/blake2b/asHex.ts#L23)*
+*Defined in [blake2/blake2b/asHex.ts:23](https://github.com/polkadot-js/common/blob/8513530/packages/util-crypto/src/blake2/blake2b/asHex.ts#L23)*
 
 *__name__*: blake2bAsHex
 
diff --git a/docs/util-crypto/modules/_blake2_blake2b_asu8a_.md b/docs/util-crypto/modules/_blake2_blake2b_asu8a_.md
index 21d5b1b43..ff8664d45 100644
--- a/docs/util-crypto/modules/_blake2_blake2b_asu8a_.md
+++ b/docs/util-crypto/modules/_blake2_blake2b_asu8a_.md
@@ -8,7 +8,7 @@
 
 ▸ **blake2bAsU8a**(data: *`Uint8Array` | `string`*, bitLength?: *`number`*, key?: *`Uint8Array` | `null`*): `Uint8Array`
 
-*Defined in [blake2/blake2b/asU8a.ts:22](https://github.com/polkadot-js/common/blob/49b0c84/packages/util-crypto/src/blake2/blake2b/asU8a.ts#L22)*
+*Defined in [blake2/blake2b/asU8a.ts:22](https://github.com/polkadot-js/common/blob/8513530/packages/util-crypto/src/blake2/blake2b/asU8a.ts#L22)*
 
 *__name__*: blake2bAsU8a
 
diff --git a/docs/util-crypto/modules/_index_.md b/docs/util-crypto/modules/_index_.md
index 139597f9c..3be17966f 100644
--- a/docs/util-crypto/modules/_index_.md
+++ b/docs/util-crypto/modules/_index_.md
@@ -1,2 +1,16 @@
 
 
+# Functions
+
+<a id="cryptowaitready"></a>
+
+##  cryptoWaitReady
+
+▸ **cryptoWaitReady**(): `Promise`<`boolean`>
+
+*Defined in [index.ts:16](https://github.com/polkadot-js/common/blob/8513530/packages/util-crypto/src/index.ts#L16)*
+
+**Returns:** `Promise`<`boolean`>
+
+___
+
diff --git a/docs/util-crypto/modules/_keccak_ashex_.md b/docs/util-crypto/modules/_keccak_ashex_.md
index 9f1c9e8b7..93509195d 100644
--- a/docs/util-crypto/modules/_keccak_ashex_.md
+++ b/docs/util-crypto/modules/_keccak_ashex_.md
@@ -8,7 +8,7 @@
 
 ▸ **keccakAsHex**(value: *`Buffer` | `Uint8Array` | `string`*): `string`
 
-*Defined in [keccak/asHex.ts:23](https://github.com/polkadot-js/common/blob/49b0c84/packages/util-crypto/src/keccak/asHex.ts#L23)*
+*Defined in [keccak/asHex.ts:23](https://github.com/polkadot-js/common/blob/8513530/packages/util-crypto/src/keccak/asHex.ts#L23)*
 
 *__name__*: keccakAsHex
 
diff --git a/docs/util-crypto/modules/_keccak_asu8a_.md b/docs/util-crypto/modules/_keccak_asu8a_.md
index 5b37c9827..bb2a2caf3 100644
--- a/docs/util-crypto/modules/_keccak_asu8a_.md
+++ b/docs/util-crypto/modules/_keccak_asu8a_.md
@@ -8,7 +8,7 @@
 
 ▸ **keccakAsU8a**(value: *`Buffer` | `Uint8Array` | `string`*): `Uint8Array`
 
-*Defined in [keccak/asU8a.ts:21](https://github.com/polkadot-js/common/blob/49b0c84/packages/util-crypto/src/keccak/asU8a.ts#L21)*
+*Defined in [keccak/asU8a.ts:21](https://github.com/polkadot-js/common/blob/8513530/packages/util-crypto/src/keccak/asU8a.ts#L21)*
 
 *__name__*: keccakAsU8a
 
diff --git a/docs/util-crypto/modules/_mnemonic_generate_.md b/docs/util-crypto/modules/_mnemonic_generate_.md
index 1cb7bebb1..a768f79ba 100644
--- a/docs/util-crypto/modules/_mnemonic_generate_.md
+++ b/docs/util-crypto/modules/_mnemonic_generate_.md
@@ -8,7 +8,7 @@
 
 ▸ **mnemonicGenerate**(): `string`
 
-*Defined in [mnemonic/generate.ts:19](https://github.com/polkadot-js/common/blob/49b0c84/packages/util-crypto/src/mnemonic/generate.ts#L19)*
+*Defined in [mnemonic/generate.ts:19](https://github.com/polkadot-js/common/blob/8513530/packages/util-crypto/src/mnemonic/generate.ts#L19)*
 
 *__name__*: mnemonicGenerate
 
diff --git a/docs/util-crypto/modules/_mnemonic_tosecret_.md b/docs/util-crypto/modules/_mnemonic_tosecret_.md
index 3fb228af6..6e79fdc2e 100644
--- a/docs/util-crypto/modules/_mnemonic_tosecret_.md
+++ b/docs/util-crypto/modules/_mnemonic_tosecret_.md
@@ -8,7 +8,7 @@
 
 ▸ **toSecret**(mnemonic: *`string`*): `Uint8Array`
 
-*Defined in [mnemonic/toSecret.ts:8](https://github.com/polkadot-js/common/blob/49b0c84/packages/util-crypto/src/mnemonic/toSecret.ts#L8)*
+*Defined in [mnemonic/toSecret.ts:8](https://github.com/polkadot-js/common/blob/8513530/packages/util-crypto/src/mnemonic/toSecret.ts#L8)*
 
 **Parameters:**
 
diff --git a/docs/util-crypto/modules/_mnemonic_toseed_.md b/docs/util-crypto/modules/_mnemonic_toseed_.md
index db5bb1b21..12a754db7 100644
--- a/docs/util-crypto/modules/_mnemonic_toseed_.md
+++ b/docs/util-crypto/modules/_mnemonic_toseed_.md
@@ -8,7 +8,7 @@
 
 ▸ **toSeed**(mnemonic: *`string`*): `Uint8Array`
 
-*Defined in [mnemonic/toSeed.ts:24](https://github.com/polkadot-js/common/blob/49b0c84/packages/util-crypto/src/mnemonic/toSeed.ts#L24)*
+*Defined in [mnemonic/toSeed.ts:24](https://github.com/polkadot-js/common/blob/8513530/packages/util-crypto/src/mnemonic/toSeed.ts#L24)*
 
 *__name__*: toSeed
 
diff --git a/docs/util-crypto/modules/_mnemonic_validate_.md b/docs/util-crypto/modules/_mnemonic_validate_.md
index 6ed99353e..6c98f7084 100644
--- a/docs/util-crypto/modules/_mnemonic_validate_.md
+++ b/docs/util-crypto/modules/_mnemonic_validate_.md
@@ -8,7 +8,7 @@
 
 ▸ **mnemonicValidate**(mnemonic: *`string`*): `boolean`
 
-*Defined in [mnemonic/validate.ts:20](https://github.com/polkadot-js/common/blob/49b0c84/packages/util-crypto/src/mnemonic/validate.ts#L20)*
+*Defined in [mnemonic/validate.ts:20](https://github.com/polkadot-js/common/blob/8513530/packages/util-crypto/src/mnemonic/validate.ts#L20)*
 
 *__name__*: mnemonicValidate
 
diff --git a/docs/util-crypto/modules/_nacl_decrypt_.md b/docs/util-crypto/modules/_nacl_decrypt_.md
index 99263b531..63df5dcae 100644
--- a/docs/util-crypto/modules/_nacl_decrypt_.md
+++ b/docs/util-crypto/modules/_nacl_decrypt_.md
@@ -8,7 +8,7 @@
 
 ▸ **naclDecrypt**(encrypted: *`Uint8Array`*, nonce: *`Uint8Array`*, secret: *`Uint8Array`*): `Uint8Array` | `null`
 
-*Defined in [nacl/decrypt.ts:21](https://github.com/polkadot-js/common/blob/49b0c84/packages/util-crypto/src/nacl/decrypt.ts#L21)*
+*Defined in [nacl/decrypt.ts:21](https://github.com/polkadot-js/common/blob/8513530/packages/util-crypto/src/nacl/decrypt.ts#L21)*
 
 *__name__*: naclDecrypt
 
diff --git a/docs/util-crypto/modules/_nacl_encrypt_.md b/docs/util-crypto/modules/_nacl_encrypt_.md
index b4df5bb8d..b6c366035 100644
--- a/docs/util-crypto/modules/_nacl_encrypt_.md
+++ b/docs/util-crypto/modules/_nacl_encrypt_.md
@@ -8,7 +8,7 @@
 
 ▸ **naclEncrypt**(message: *`Uint8Array`*, secret: *`Uint8Array`*, nonce?: *`Uint8Array`*): `Encrypted`
 
-*Defined in [nacl/encrypt.ts:28](https://github.com/polkadot-js/common/blob/49b0c84/packages/util-crypto/src/nacl/encrypt.ts#L28)*
+*Defined in [nacl/encrypt.ts:28](https://github.com/polkadot-js/common/blob/8513530/packages/util-crypto/src/nacl/encrypt.ts#L28)*
 
 *__name__*: naclEncrypt
 
diff --git a/docs/util-crypto/modules/_nacl_keypair_fromrandom_.md b/docs/util-crypto/modules/_nacl_keypair_fromrandom_.md
index 8884ca766..4acfb2f8a 100644
--- a/docs/util-crypto/modules/_nacl_keypair_fromrandom_.md
+++ b/docs/util-crypto/modules/_nacl_keypair_fromrandom_.md
@@ -8,7 +8,7 @@
 
 ▸ **naclKeypairFromRandom**(): [KeypairType](_types_.md#keypairtype)
 
-*Defined in [nacl/keypair/fromRandom.ts:23](https://github.com/polkadot-js/common/blob/49b0c84/packages/util-crypto/src/nacl/keypair/fromRandom.ts#L23)*
+*Defined in [nacl/keypair/fromRandom.ts:23](https://github.com/polkadot-js/common/blob/8513530/packages/util-crypto/src/nacl/keypair/fromRandom.ts#L23)*
 
 *__name__*: naclKeypairFromRandom
 
diff --git a/docs/util-crypto/modules/_nacl_keypair_fromsecret_.md b/docs/util-crypto/modules/_nacl_keypair_fromsecret_.md
index dcd8f3dde..2c92ec14a 100644
--- a/docs/util-crypto/modules/_nacl_keypair_fromsecret_.md
+++ b/docs/util-crypto/modules/_nacl_keypair_fromsecret_.md
@@ -8,7 +8,7 @@
 
 ▸ **naclKeypairFromSecret**(secret: *`Uint8Array`*): [KeypairType](_types_.md#keypairtype)
 
-*Defined in [nacl/keypair/fromSecret.ts:23](https://github.com/polkadot-js/common/blob/49b0c84/packages/util-crypto/src/nacl/keypair/fromSecret.ts#L23)*
+*Defined in [nacl/keypair/fromSecret.ts:23](https://github.com/polkadot-js/common/blob/8513530/packages/util-crypto/src/nacl/keypair/fromSecret.ts#L23)*
 
 *__name__*: naclKeypairFromSecret
 
diff --git a/docs/util-crypto/modules/_nacl_keypair_fromseed_.md b/docs/util-crypto/modules/_nacl_keypair_fromseed_.md
index eca34c0ed..17d117b04 100644
--- a/docs/util-crypto/modules/_nacl_keypair_fromseed_.md
+++ b/docs/util-crypto/modules/_nacl_keypair_fromseed_.md
@@ -8,7 +8,7 @@
 
 ▸ **naclKeypairFromSeed**(seed: *`Uint8Array`*): [KeypairType](_types_.md#keypairtype)
 
-*Defined in [nacl/keypair/fromSeed.ts:23](https://github.com/polkadot-js/common/blob/49b0c84/packages/util-crypto/src/nacl/keypair/fromSeed.ts#L23)*
+*Defined in [nacl/keypair/fromSeed.ts:23](https://github.com/polkadot-js/common/blob/8513530/packages/util-crypto/src/nacl/keypair/fromSeed.ts#L23)*
 
 *__name__*: naclKeypairFromSeed
 
diff --git a/docs/util-crypto/modules/_nacl_keypair_fromstring_.md b/docs/util-crypto/modules/_nacl_keypair_fromstring_.md
index 5f7d2ecaf..da461e887 100644
--- a/docs/util-crypto/modules/_nacl_keypair_fromstring_.md
+++ b/docs/util-crypto/modules/_nacl_keypair_fromstring_.md
@@ -8,7 +8,7 @@
 
 ▸ **naclKeypairFromString**(value: *`string`*): [KeypairType](_types_.md#keypairtype)
 
-*Defined in [nacl/keypair/fromString.ts:26](https://github.com/polkadot-js/common/blob/49b0c84/packages/util-crypto/src/nacl/keypair/fromString.ts#L26)*
+*Defined in [nacl/keypair/fromString.ts:26](https://github.com/polkadot-js/common/blob/8513530/packages/util-crypto/src/nacl/keypair/fromString.ts#L26)*
 
 *__name__*: naclKeypairFromString
 
diff --git a/docs/util-crypto/modules/_nacl_sign_.md b/docs/util-crypto/modules/_nacl_sign_.md
index 25c07bb0c..0cf79ec09 100644
--- a/docs/util-crypto/modules/_nacl_sign_.md
+++ b/docs/util-crypto/modules/_nacl_sign_.md
@@ -8,7 +8,7 @@
 
 ▸ **naclSign**(message: *`Uint8Array`*, __namedParameters: *`object`*): `Uint8Array`
 
-*Defined in [nacl/sign.ts:24](https://github.com/polkadot-js/common/blob/49b0c84/packages/util-crypto/src/nacl/sign.ts#L24)*
+*Defined in [nacl/sign.ts:24](https://github.com/polkadot-js/common/blob/8513530/packages/util-crypto/src/nacl/sign.ts#L24)*
 
 *__name__*: naclSign
 
diff --git a/docs/util-crypto/modules/_nacl_verify_.md b/docs/util-crypto/modules/_nacl_verify_.md
index fa8541121..7c3dc8faa 100644
--- a/docs/util-crypto/modules/_nacl_verify_.md
+++ b/docs/util-crypto/modules/_nacl_verify_.md
@@ -8,7 +8,7 @@
 
 ▸ **naclVerify**(message: *`Uint8Array`*, signature: *`Uint8Array`*, publicKey: *`Uint8Array`*): `boolean`
 
-*Defined in [nacl/verify.ts:21](https://github.com/polkadot-js/common/blob/49b0c84/packages/util-crypto/src/nacl/verify.ts#L21)*
+*Defined in [nacl/verify.ts:21](https://github.com/polkadot-js/common/blob/8513530/packages/util-crypto/src/nacl/verify.ts#L21)*
 
 *__name__*: naclSign
 
diff --git a/docs/util-crypto/modules/_random_ashex_.md b/docs/util-crypto/modules/_random_ashex_.md
index 4fdb1b418..6f2fdfa26 100644
--- a/docs/util-crypto/modules/_random_ashex_.md
+++ b/docs/util-crypto/modules/_random_ashex_.md
@@ -8,7 +8,7 @@
 
 ▸ **randomAsHex**(length?: *`number`*): `string`
 
-*Defined in [random/asHex.ts:23](https://github.com/polkadot-js/common/blob/49b0c84/packages/util-crypto/src/random/asHex.ts#L23)*
+*Defined in [random/asHex.ts:23](https://github.com/polkadot-js/common/blob/8513530/packages/util-crypto/src/random/asHex.ts#L23)*
 
 *__name__*: randomAsHex
 
diff --git a/docs/util-crypto/modules/_random_asnumber_.md b/docs/util-crypto/modules/_random_asnumber_.md
index 67fbdcdeb..a1d6cb3da 100644
--- a/docs/util-crypto/modules/_random_asnumber_.md
+++ b/docs/util-crypto/modules/_random_asnumber_.md
@@ -8,7 +8,7 @@
 
 ▸ **randomAsNumber**(): `number`
 
-*Defined in [random/asNumber.ts:26](https://github.com/polkadot-js/common/blob/49b0c84/packages/util-crypto/src/random/asNumber.ts#L26)*
+*Defined in [random/asNumber.ts:26](https://github.com/polkadot-js/common/blob/8513530/packages/util-crypto/src/random/asNumber.ts#L26)*
 
 *__name__*: randomAsNumber
 
diff --git a/docs/util-crypto/modules/_random_asu8a_.md b/docs/util-crypto/modules/_random_asu8a_.md
index a5f6b4d5b..00732f107 100644
--- a/docs/util-crypto/modules/_random_asu8a_.md
+++ b/docs/util-crypto/modules/_random_asu8a_.md
@@ -8,7 +8,7 @@
 
 ▸ **randomAsU8a**(length?: *`number`*): `Uint8Array`
 
-*Defined in [random/asU8a.ts:21](https://github.com/polkadot-js/common/blob/49b0c84/packages/util-crypto/src/random/asU8a.ts#L21)*
+*Defined in [random/asU8a.ts:21](https://github.com/polkadot-js/common/blob/8513530/packages/util-crypto/src/random/asU8a.ts#L21)*
 
 *__name__*: randomAsU8a
 
diff --git a/docs/util-crypto/modules/_schnorrkel_keypair_fromseed_.md b/docs/util-crypto/modules/_schnorrkel_keypair_fromseed_.md
index 291424d3e..89f55e4fc 100644
--- a/docs/util-crypto/modules/_schnorrkel_keypair_fromseed_.md
+++ b/docs/util-crypto/modules/_schnorrkel_keypair_fromseed_.md
@@ -8,7 +8,7 @@
 
 ▸ **schnorrkelKeypairFromSeed**(seed: *`Uint8Array`*): [KeypairType](_types_.md#keypairtype)
 
-*Defined in [schnorrkel/keypair/fromSeed.ts:16](https://github.com/polkadot-js/common/blob/49b0c84/packages/util-crypto/src/schnorrkel/keypair/fromSeed.ts#L16)*
+*Defined in [schnorrkel/keypair/fromSeed.ts:16](https://github.com/polkadot-js/common/blob/8513530/packages/util-crypto/src/schnorrkel/keypair/fromSeed.ts#L16)*
 
 *__name__*: schnorrkelKeypairFromSeed
 
diff --git a/docs/util-crypto/modules/_schnorrkel_ready_.md b/docs/util-crypto/modules/_schnorrkel_ready_.md
new file mode 100644
index 000000000..dad5f9030
--- /dev/null
+++ b/docs/util-crypto/modules/_schnorrkel_ready_.md
@@ -0,0 +1,27 @@
+
+
+# Functions
+
+<a id="schnorrkelisready"></a>
+
+##  schnorrkelIsReady
+
+▸ **schnorrkelIsReady**(): `boolean`
+
+*Defined in [schnorrkel/ready.ts:11](https://github.com/polkadot-js/common/blob/8513530/packages/util-crypto/src/schnorrkel/ready.ts#L11)*
+
+**Returns:** `boolean`
+
+___
+<a id="schnorrkelwaitready"></a>
+
+##  schnorrkelWaitReady
+
+▸ **schnorrkelWaitReady**(): `Promise`<`boolean`>
+
+*Defined in [schnorrkel/ready.ts:7](https://github.com/polkadot-js/common/blob/8513530/packages/util-crypto/src/schnorrkel/ready.ts#L7)*
+
+**Returns:** `Promise`<`boolean`>
+
+___
+
diff --git a/docs/util-crypto/modules/_schnorrkel_sign_.md b/docs/util-crypto/modules/_schnorrkel_sign_.md
index 4ce6412bb..a49eda8db 100644
--- a/docs/util-crypto/modules/_schnorrkel_sign_.md
+++ b/docs/util-crypto/modules/_schnorrkel_sign_.md
@@ -8,7 +8,7 @@
 
 ▸ **schnorrkelSign**(message: *`Uint8Array`*, __namedParameters: *`object`*): `Uint8Array`
 
-*Defined in [schnorrkel/sign.ts:15](https://github.com/polkadot-js/common/blob/49b0c84/packages/util-crypto/src/schnorrkel/sign.ts#L15)*
+*Defined in [schnorrkel/sign.ts:15](https://github.com/polkadot-js/common/blob/8513530/packages/util-crypto/src/schnorrkel/sign.ts#L15)*
 
 *__name__*: schnorrkelSign
 
diff --git a/docs/util-crypto/modules/_schnorrkel_verify_.md b/docs/util-crypto/modules/_schnorrkel_verify_.md
index be963df54..d74383126 100644
--- a/docs/util-crypto/modules/_schnorrkel_verify_.md
+++ b/docs/util-crypto/modules/_schnorrkel_verify_.md
@@ -8,7 +8,7 @@
 
 ▸ **schnorrkelVerify**(message: *`Uint8Array`*, signature: *`Uint8Array`*, publicKey: *`Uint8Array`*): `boolean`
 
-*Defined in [schnorrkel/verify.ts:11](https://github.com/polkadot-js/common/blob/49b0c84/packages/util-crypto/src/schnorrkel/verify.ts#L11)*
+*Defined in [schnorrkel/verify.ts:11](https://github.com/polkadot-js/common/blob/8513530/packages/util-crypto/src/schnorrkel/verify.ts#L11)*
 
 *__name__*: schnorrkelVerify
 
diff --git a/docs/util-crypto/modules/_sha512_asu8a_.md b/docs/util-crypto/modules/_sha512_asu8a_.md
index 3004baf77..f8785ff3f 100644
--- a/docs/util-crypto/modules/_sha512_asu8a_.md
+++ b/docs/util-crypto/modules/_sha512_asu8a_.md
@@ -8,7 +8,7 @@
 
 ▸ **sha512AsU8a**(data: *`Uint8Array`*): `Uint8Array`
 
-*Defined in [sha512/asU8a.ts:21](https://github.com/polkadot-js/common/blob/49b0c84/packages/util-crypto/src/sha512/asU8a.ts#L21)*
+*Defined in [sha512/asU8a.ts:21](https://github.com/polkadot-js/common/blob/8513530/packages/util-crypto/src/sha512/asU8a.ts#L21)*
 
 *__name__*: sha512AsU8a
 
diff --git a/docs/util-crypto/modules/_types_.md b/docs/util-crypto/modules/_types_.md
index d176007eb..59f19b8a1 100644
--- a/docs/util-crypto/modules/_types_.md
+++ b/docs/util-crypto/modules/_types_.md
@@ -8,7 +8,7 @@
 
 **Ƭ KeypairType**: *`object`*
 
-*Defined in [types.ts:5](https://github.com/polkadot-js/common/blob/49b0c84/packages/util-crypto/src/types.ts#L5)*
+*Defined in [types.ts:5](https://github.com/polkadot-js/common/blob/8513530/packages/util-crypto/src/types.ts#L5)*
 
 #### Type declaration
 
diff --git a/docs/util-crypto/modules/_xxhash_ashex_.md b/docs/util-crypto/modules/_xxhash_ashex_.md
index 62e1229b7..21fcd6b92 100644
--- a/docs/util-crypto/modules/_xxhash_ashex_.md
+++ b/docs/util-crypto/modules/_xxhash_ashex_.md
@@ -8,7 +8,7 @@
 
 ▸ **xxhashAsHex**(data: *`Buffer` | `Uint8Array` | `string`*, bitLength?: *`number`*): `string`
 
-*Defined in [xxhash/asHex.ts:23](https://github.com/polkadot-js/common/blob/49b0c84/packages/util-crypto/src/xxhash/asHex.ts#L23)*
+*Defined in [xxhash/asHex.ts:23](https://github.com/polkadot-js/common/blob/8513530/packages/util-crypto/src/xxhash/asHex.ts#L23)*
 
 *__name__*: xxhashAsHex
 
diff --git a/docs/util-crypto/modules/_xxhash_asu8a_.md b/docs/util-crypto/modules/_xxhash_asu8a_.md
index ed6f30de4..51c805b37 100644
--- a/docs/util-crypto/modules/_xxhash_asu8a_.md
+++ b/docs/util-crypto/modules/_xxhash_asu8a_.md
@@ -8,7 +8,7 @@
 
 ▸ **xxhashAsU8a**(data: *`Buffer` | `Uint8Array` | `string`*, bitLength?: *`number`*): `Uint8Array`
 
-*Defined in [xxhash/asU8a.ts:21](https://github.com/polkadot-js/common/blob/49b0c84/packages/util-crypto/src/xxhash/asU8a.ts#L21)*
+*Defined in [xxhash/asU8a.ts:21](https://github.com/polkadot-js/common/blob/8513530/packages/util-crypto/src/xxhash/asU8a.ts#L21)*
 
 *__name__*: xxhashAsU8a
 
diff --git a/docs/util-crypto/modules/_xxhash_xxhash64_asbn_.md b/docs/util-crypto/modules/_xxhash_xxhash64_asbn_.md
index eadf31ef8..e8eed7942 100644
--- a/docs/util-crypto/modules/_xxhash_xxhash64_asbn_.md
+++ b/docs/util-crypto/modules/_xxhash_xxhash64_asbn_.md
@@ -8,7 +8,7 @@
 
 ▸ **xxhash64AsBn**(data: *`Buffer` | `Uint8Array` | `string`*, seed: *`number`*): `BN`
 
-*Defined in [xxhash/xxhash64/asBn.ts:23](https://github.com/polkadot-js/common/blob/49b0c84/packages/util-crypto/src/xxhash/xxhash64/asBn.ts#L23)*
+*Defined in [xxhash/xxhash64/asBn.ts:23](https://github.com/polkadot-js/common/blob/8513530/packages/util-crypto/src/xxhash/xxhash64/asBn.ts#L23)*
 
 *__name__*: xxhash64AsBn
 
diff --git a/docs/util-crypto/modules/_xxhash_xxhash64_ashex_.md b/docs/util-crypto/modules/_xxhash_xxhash64_ashex_.md
index 68a3822b6..197c89299 100644
--- a/docs/util-crypto/modules/_xxhash_xxhash64_ashex_.md
+++ b/docs/util-crypto/modules/_xxhash_xxhash64_ashex_.md
@@ -8,7 +8,7 @@
 
 ▸ **xxhash64AsHex**(data: *`Buffer` | `Uint8Array` | `string`*, seed: *`number`*): `string`
 
-*Defined in [xxhash/xxhash64/asHex.ts:23](https://github.com/polkadot-js/common/blob/49b0c84/packages/util-crypto/src/xxhash/xxhash64/asHex.ts#L23)*
+*Defined in [xxhash/xxhash64/asHex.ts:23](https://github.com/polkadot-js/common/blob/8513530/packages/util-crypto/src/xxhash/xxhash64/asHex.ts#L23)*
 
 *__name__*: xxhash64AsHex
 
diff --git a/docs/util-crypto/modules/_xxhash_xxhash64_asraw_.md b/docs/util-crypto/modules/_xxhash_xxhash64_asraw_.md
index e61b8b55c..2ee03b25a 100644
--- a/docs/util-crypto/modules/_xxhash_xxhash64_asraw_.md
+++ b/docs/util-crypto/modules/_xxhash_xxhash64_asraw_.md
@@ -8,7 +8,7 @@
 
 ▸ **xxhash64AsRaw**(data: *`Buffer` | `Uint8Array` | `string`*, seed: *`number`*): `string`
 
-*Defined in [xxhash/xxhash64/asRaw.ts:21](https://github.com/polkadot-js/common/blob/49b0c84/packages/util-crypto/src/xxhash/xxhash64/asRaw.ts#L21)*
+*Defined in [xxhash/xxhash64/asRaw.ts:21](https://github.com/polkadot-js/common/blob/8513530/packages/util-crypto/src/xxhash/xxhash64/asRaw.ts#L21)*
 
 *__name__*: xxhash64AsRaw
 
diff --git a/docs/util-crypto/modules/_xxhash_xxhash64_asvalue_.md b/docs/util-crypto/modules/_xxhash_xxhash64_asvalue_.md
index 0aaeb9f43..7543c2d77 100644
--- a/docs/util-crypto/modules/_xxhash_xxhash64_asvalue_.md
+++ b/docs/util-crypto/modules/_xxhash_xxhash64_asvalue_.md
@@ -8,7 +8,7 @@
 
 ▸ **xxhash64AsValue**(data: *`Buffer` | `Uint8Array` | `string`*, seed: *`number`*): `number`
 
-*Defined in [xxhash/xxhash64/asValue.ts:22](https://github.com/polkadot-js/common/blob/49b0c84/packages/util-crypto/src/xxhash/xxhash64/asValue.ts#L22)*
+*Defined in [xxhash/xxhash64/asValue.ts:22](https://github.com/polkadot-js/common/blob/8513530/packages/util-crypto/src/xxhash/xxhash64/asValue.ts#L22)*
 
 *__name__*: xxhash64AsValue
 
diff --git a/docs/util-rlp/modules/_decoder_decode_.md b/docs/util-rlp/modules/_decoder_decode_.md
index f529bcff7..033d8a62e 100644
--- a/docs/util-rlp/modules/_decoder_decode_.md
+++ b/docs/util-rlp/modules/_decoder_decode_.md
@@ -8,7 +8,7 @@
 
 ▸ **decode**(input: *`Uint8Array`*): [DecodeOutput](_decoder_types_.md#decodeoutput)
 
-*Defined in [decoder/decode.ts:28](https://github.com/polkadot-js/common/blob/49b0c84/packages/util-rlp/src/decoder/decode.ts#L28)*
+*Defined in [decoder/decode.ts:28](https://github.com/polkadot-js/common/blob/8513530/packages/util-rlp/src/decoder/decode.ts#L28)*
 
 **Parameters:**
 
diff --git a/docs/util-rlp/modules/_decoder_index_.md b/docs/util-rlp/modules/_decoder_index_.md
index 8c26dd49f..ed41a533c 100644
--- a/docs/util-rlp/modules/_decoder_index_.md
+++ b/docs/util-rlp/modules/_decoder_index_.md
@@ -8,7 +8,7 @@
 
 ▸ **decoder**(input?: *`null` | `Uint8Array`*): `Uint8Array` | `Array`<`any`>
 
-*Defined in [decoder/index.ts:23](https://github.com/polkadot-js/common/blob/49b0c84/packages/util-rlp/src/decoder/index.ts#L23)*
+*Defined in [decoder/index.ts:23](https://github.com/polkadot-js/common/blob/8513530/packages/util-rlp/src/decoder/index.ts#L23)*
 
 *__name__*: decoder
 
diff --git a/docs/util-rlp/modules/_decoder_listlong_.md b/docs/util-rlp/modules/_decoder_listlong_.md
index be6e9f63d..fe29bdc93 100644
--- a/docs/util-rlp/modules/_decoder_listlong_.md
+++ b/docs/util-rlp/modules/_decoder_listlong_.md
@@ -8,7 +8,7 @@
 
 ▸ **decodeListLong**(decode: *[DecodeFunc](_decoder_types_.md#decodefunc)*, input: *`Uint8Array`*): [DecodeOutput](_decoder_types_.md#decodeoutput)
 
-*Defined in [decoder/listLong.ts:11](https://github.com/polkadot-js/common/blob/49b0c84/packages/util-rlp/src/decoder/listLong.ts#L11)*
+*Defined in [decoder/listLong.ts:11](https://github.com/polkadot-js/common/blob/8513530/packages/util-rlp/src/decoder/listLong.ts#L11)*
 
 **Parameters:**
 
diff --git a/docs/util-rlp/modules/_decoder_listshort_.md b/docs/util-rlp/modules/_decoder_listshort_.md
index d40336b51..730457fd8 100644
--- a/docs/util-rlp/modules/_decoder_listshort_.md
+++ b/docs/util-rlp/modules/_decoder_listshort_.md
@@ -8,7 +8,7 @@
 
 ▸ **decodeListShort**(decode: *[DecodeFunc](_decoder_types_.md#decodefunc)*, input: *`Uint8Array`*): [DecodeOutput](_decoder_types_.md#decodeoutput)
 
-*Defined in [decoder/listShort.ts:7](https://github.com/polkadot-js/common/blob/49b0c84/packages/util-rlp/src/decoder/listShort.ts#L7)*
+*Defined in [decoder/listShort.ts:7](https://github.com/polkadot-js/common/blob/8513530/packages/util-rlp/src/decoder/listShort.ts#L7)*
 
 **Parameters:**
 
diff --git a/docs/util-rlp/modules/_decoder_number_.md b/docs/util-rlp/modules/_decoder_number_.md
index 7f19b6c98..756201d58 100644
--- a/docs/util-rlp/modules/_decoder_number_.md
+++ b/docs/util-rlp/modules/_decoder_number_.md
@@ -8,7 +8,7 @@
 
 ▸ **decodeNumber**(decode: *[DecodeFunc](_decoder_types_.md#decodefunc)*, input: *`Uint8Array`*): [DecodeOutput](_decoder_types_.md#decodeoutput)
 
-*Defined in [decoder/number.ts:11](https://github.com/polkadot-js/common/blob/49b0c84/packages/util-rlp/src/decoder/number.ts#L11)*
+*Defined in [decoder/number.ts:11](https://github.com/polkadot-js/common/blob/8513530/packages/util-rlp/src/decoder/number.ts#L11)*
 
 **Parameters:**
 
diff --git a/docs/util-rlp/modules/_decoder_safeparseint_.md b/docs/util-rlp/modules/_decoder_safeparseint_.md
index 75d0e3dba..718b2aa0d 100644
--- a/docs/util-rlp/modules/_decoder_safeparseint_.md
+++ b/docs/util-rlp/modules/_decoder_safeparseint_.md
@@ -8,7 +8,7 @@
 
 ▸ **safeParseInt**(input: *`Uint8Array`*): `number`
 
-*Defined in [decoder/safeParseInt.ts:7](https://github.com/polkadot-js/common/blob/49b0c84/packages/util-rlp/src/decoder/safeParseInt.ts#L7)*
+*Defined in [decoder/safeParseInt.ts:7](https://github.com/polkadot-js/common/blob/8513530/packages/util-rlp/src/decoder/safeParseInt.ts#L7)*
 
 **Parameters:**
 
diff --git a/docs/util-rlp/modules/_decoder_single_.md b/docs/util-rlp/modules/_decoder_single_.md
index 3822dfeb6..d8c37145a 100644
--- a/docs/util-rlp/modules/_decoder_single_.md
+++ b/docs/util-rlp/modules/_decoder_single_.md
@@ -8,7 +8,7 @@
 
 ▸ **decodeSingle**(decode: *[DecodeFunc](_decoder_types_.md#decodefunc)*, input: *`Uint8Array`*): [DecodeOutput](_decoder_types_.md#decodeoutput)
 
-*Defined in [decoder/single.ts:7](https://github.com/polkadot-js/common/blob/49b0c84/packages/util-rlp/src/decoder/single.ts#L7)*
+*Defined in [decoder/single.ts:7](https://github.com/polkadot-js/common/blob/8513530/packages/util-rlp/src/decoder/single.ts#L7)*
 
 **Parameters:**
 
diff --git a/docs/util-rlp/modules/_decoder_string_.md b/docs/util-rlp/modules/_decoder_string_.md
index 0c338d533..8d0d7fa9e 100644
--- a/docs/util-rlp/modules/_decoder_string_.md
+++ b/docs/util-rlp/modules/_decoder_string_.md
@@ -8,7 +8,7 @@
 
 ▸ **decodeString**(decode: *[DecodeFunc](_decoder_types_.md#decodefunc)*, input: *`Uint8Array`*): [DecodeOutput](_decoder_types_.md#decodeoutput)
 
-*Defined in [decoder/string.ts:9](https://github.com/polkadot-js/common/blob/49b0c84/packages/util-rlp/src/decoder/string.ts#L9)*
+*Defined in [decoder/string.ts:9](https://github.com/polkadot-js/common/blob/8513530/packages/util-rlp/src/decoder/string.ts#L9)*
 
 **Parameters:**
 
diff --git a/docs/util-rlp/modules/_decoder_types_.md b/docs/util-rlp/modules/_decoder_types_.md
index c5d67e46a..2fa1ad19f 100644
--- a/docs/util-rlp/modules/_decoder_types_.md
+++ b/docs/util-rlp/modules/_decoder_types_.md
@@ -8,7 +8,7 @@
 
 **Ƭ DecodeFunc**: *`function`*
 
-*Defined in [decoder/types.ts:10](https://github.com/polkadot-js/common/blob/49b0c84/packages/util-rlp/src/decoder/types.ts#L10)*
+*Defined in [decoder/types.ts:10](https://github.com/polkadot-js/common/blob/8513530/packages/util-rlp/src/decoder/types.ts#L10)*
 
 #### Type declaration
 ▸(input: *`Uint8Array`*): [DecodeOutput](_decoder_types_.md#decodeoutput)
@@ -28,7 +28,7 @@ ___
 
 **Ƭ DecodeOutput**: *`object`*
 
-*Defined in [decoder/types.ts:5](https://github.com/polkadot-js/common/blob/49b0c84/packages/util-rlp/src/decoder/types.ts#L5)*
+*Defined in [decoder/types.ts:5](https://github.com/polkadot-js/common/blob/8513530/packages/util-rlp/src/decoder/types.ts#L5)*
 
 #### Type declaration
 
diff --git a/docs/util-rlp/modules/_encoder_array_.md b/docs/util-rlp/modules/_encoder_array_.md
index d548cfef3..92f383d00 100644
--- a/docs/util-rlp/modules/_encoder_array_.md
+++ b/docs/util-rlp/modules/_encoder_array_.md
@@ -8,7 +8,7 @@
 
 ▸ **encodeArray**(encoder: *[EncodeFunc](_encoder_types_.md#encodefunc)*, input: *`any`*): `Uint8Array`
 
-*Defined in [encoder/array.ts:11](https://github.com/polkadot-js/common/blob/49b0c84/packages/util-rlp/src/encoder/array.ts#L11)*
+*Defined in [encoder/array.ts:11](https://github.com/polkadot-js/common/blob/8513530/packages/util-rlp/src/encoder/array.ts#L11)*
 
 **Parameters:**
 
diff --git a/docs/util-rlp/modules/_encoder_index_.md b/docs/util-rlp/modules/_encoder_index_.md
index accda92b4..8fd408505 100644
--- a/docs/util-rlp/modules/_encoder_index_.md
+++ b/docs/util-rlp/modules/_encoder_index_.md
@@ -8,7 +8,7 @@
 
 ▸ **encoder**(input: *`any`*): `Uint8Array`
 
-*Defined in [encoder/index.ts:23](https://github.com/polkadot-js/common/blob/49b0c84/packages/util-rlp/src/encoder/index.ts#L23)*
+*Defined in [encoder/index.ts:23](https://github.com/polkadot-js/common/blob/8513530/packages/util-rlp/src/encoder/index.ts#L23)*
 
 *__name__*: encoder
 
diff --git a/docs/util-rlp/modules/_encoder_length_.md b/docs/util-rlp/modules/_encoder_length_.md
index 61afddef1..2f78586d3 100644
--- a/docs/util-rlp/modules/_encoder_length_.md
+++ b/docs/util-rlp/modules/_encoder_length_.md
@@ -8,7 +8,7 @@
 
 ▸ **encodeLength**(length: *`number`*, offset: *`number`*): `Uint8Array`
 
-*Defined in [encoder/length.ts:7](https://github.com/polkadot-js/common/blob/49b0c84/packages/util-rlp/src/encoder/length.ts#L7)*
+*Defined in [encoder/length.ts:7](https://github.com/polkadot-js/common/blob/8513530/packages/util-rlp/src/encoder/length.ts#L7)*
 
 **Parameters:**
 
diff --git a/docs/util-rlp/modules/_encoder_tou8a_.md b/docs/util-rlp/modules/_encoder_tou8a_.md
index a17dfd1d0..bf9fb34ca 100644
--- a/docs/util-rlp/modules/_encoder_tou8a_.md
+++ b/docs/util-rlp/modules/_encoder_tou8a_.md
@@ -8,7 +8,7 @@
 
 ▸ **toU8a**(value?: *`any`*): `Uint8Array`
 
-*Defined in [encoder/toU8a.ts:39](https://github.com/polkadot-js/common/blob/49b0c84/packages/util-rlp/src/encoder/toU8a.ts#L39)*
+*Defined in [encoder/toU8a.ts:39](https://github.com/polkadot-js/common/blob/8513530/packages/util-rlp/src/encoder/toU8a.ts#L39)*
 
 **Parameters:**
 
diff --git a/docs/util-rlp/modules/_encoder_types_.md b/docs/util-rlp/modules/_encoder_types_.md
index 81039d4dd..99bb9059a 100644
--- a/docs/util-rlp/modules/_encoder_types_.md
+++ b/docs/util-rlp/modules/_encoder_types_.md
@@ -8,7 +8,7 @@
 
 **Ƭ EncodeFunc**: *`function`*
 
-*Defined in [encoder/types.ts:5](https://github.com/polkadot-js/common/blob/49b0c84/packages/util-rlp/src/encoder/types.ts#L5)*
+*Defined in [encoder/types.ts:5](https://github.com/polkadot-js/common/blob/8513530/packages/util-rlp/src/encoder/types.ts#L5)*
 
 #### Type declaration
 ▸(input: *`any`*): `Uint8Array`
diff --git a/docs/util-rlp/modules/_encoder_u8a_.md b/docs/util-rlp/modules/_encoder_u8a_.md
index eac0d96fb..df0cdbeba 100644
--- a/docs/util-rlp/modules/_encoder_u8a_.md
+++ b/docs/util-rlp/modules/_encoder_u8a_.md
@@ -8,7 +8,7 @@
 
 ▸ **encodeU8a**(encoder: *[EncodeFunc](_encoder_types_.md#encodefunc)*, input: *`Uint8Array`*): `Uint8Array`
 
-*Defined in [encoder/u8a.ts:11](https://github.com/polkadot-js/common/blob/49b0c84/packages/util-rlp/src/encoder/u8a.ts#L11)*
+*Defined in [encoder/u8a.ts:11](https://github.com/polkadot-js/common/blob/8513530/packages/util-rlp/src/encoder/u8a.ts#L11)*
 
 **Parameters:**
 
diff --git a/docs/util/classes/_ext_error_.exterror.md b/docs/util/classes/_ext_error_.exterror.md
index 39d072c6f..74b7e1d99 100644
--- a/docs/util/classes/_ext_error_.exterror.md
+++ b/docs/util/classes/_ext_error_.exterror.md
@@ -32,7 +32,7 @@ throw new ExtError('some message', ExtError.CODES.METHOD_NOT_FOUND); // => error
 
 ⊕ **new ExtError**(message?: *`string`*, code?: *`number`*, data?: *`any`*): [ExtError](_ext_error_.exterror.md)
 
-*Defined in [ext/error.ts:43](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/ext/error.ts#L43)*
+*Defined in [ext/error.ts:43](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/ext/error.ts#L43)*
 
 **Parameters:**
 
@@ -56,7 +56,7 @@ ___
 
 *Implementation of [ExtErrorInterface](../interfaces/_types_.exterrorinterface.md).[code](../interfaces/_types_.exterrorinterface.md#code)*
 
-*Defined in [ext/error.ts:35](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/ext/error.ts#L35)*
+*Defined in [ext/error.ts:35](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/ext/error.ts#L35)*
 
 ___
 <a id="data"></a>
@@ -67,7 +67,7 @@ ___
 
 *Implementation of [ExtErrorInterface](../interfaces/_types_.exterrorinterface.md).[data](../interfaces/_types_.exterrorinterface.md#data)*
 
-*Defined in [ext/error.ts:37](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/ext/error.ts#L37)*
+*Defined in [ext/error.ts:37](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/ext/error.ts#L37)*
 
 ___
 <a id="message"></a>
@@ -80,7 +80,7 @@ ___
 
 *Overrides Error.message*
 
-*Defined in [ext/error.ts:39](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/ext/error.ts#L39)*
+*Defined in [ext/error.ts:39](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/ext/error.ts#L39)*
 
 ___
 <a id="name"></a>
@@ -91,7 +91,7 @@ ___
 
 *Overrides Error.name*
 
-*Defined in [ext/error.ts:41](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/ext/error.ts#L41)*
+*Defined in [ext/error.ts:41](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/ext/error.ts#L41)*
 
 ___
 <a id="stack"></a>
@@ -104,7 +104,7 @@ ___
 
 *Overrides Error.stack*
 
-*Defined in [ext/error.ts:43](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/ext/error.ts#L43)*
+*Defined in [ext/error.ts:43](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/ext/error.ts#L43)*
 
 ___
 <a id="error"></a>
@@ -125,7 +125,7 @@ ___
 
 **CODES**: *`object`*
 
-*Defined in [ext/error.ts:60](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/ext/error.ts#L60)*
+*Defined in [ext/error.ts:60](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/ext/error.ts#L60)*
 
 <a id="codes.assert"></a>
 
@@ -133,7 +133,7 @@ ___
 
 **● ASSERT**: *`number`* =  -90009
 
-*Defined in [ext/error.ts:61](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/ext/error.ts#L61)*
+*Defined in [ext/error.ts:61](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/ext/error.ts#L61)*
 
 ___
 <a id="codes.invalid_jsonrpc"></a>
@@ -142,7 +142,7 @@ ___
 
 **● INVALID_JSONRPC**: *`number`* =  -99998
 
-*Defined in [ext/error.ts:63](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/ext/error.ts#L63)*
+*Defined in [ext/error.ts:63](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/ext/error.ts#L63)*
 
 ___
 <a id="codes.method_not_found"></a>
@@ -151,7 +151,7 @@ ___
 
 **● METHOD_NOT_FOUND**: *`number`* =  -32601
 
-*Defined in [ext/error.ts:64](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/ext/error.ts#L64)*
+*Defined in [ext/error.ts:64](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/ext/error.ts#L64)*
 
 ___
 <a id="codes.unknown"></a>
@@ -160,7 +160,7 @@ ___
 
 **● UNKNOWN**: *`number`*
 
-*Defined in [ext/error.ts:62](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/ext/error.ts#L62)*
+*Defined in [ext/error.ts:62](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/ext/error.ts#L62)*
 
 ___
 
diff --git a/docs/util/index.html b/docs/util/index.html
index 6e4f858a8..4fb74db06 100644
--- a/docs/util/index.html
+++ b/docs/util/index.html
@@ -416,7 +416,7 @@
     <script>
         var gitbook = gitbook || [];
         gitbook.push(function() {
-            gitbook.page.hasChanged({"page":{"title":"util","level":"1.5","depth":1,"next":{"title":"util-crypto","level":"1.6","depth":1,"path":"util-crypto/README.md","ref":"util-crypto/README.md","articles":[]},"previous":{"title":"trie-hash","level":"1.4","depth":1,"path":"trie-hash/README.md","ref":"trie-hash/README.md","articles":[]},"dir":"ltr"},"config":{"plugins":["include-codeblock","insert-logo-link","mermaid-gb3","-highlight","sunlight-highlighter"],"root":"docs","styles":{"website":"styles/website.css"},"pluginsConfig":{"insert-logo-link":{"src":"/common/logo.png","url":"https://polkadot.js.org"},"search":{},"lunr":{"maxIndexSize":1000000,"ignoreSpecialCharacters":false},"fontsettings":{"theme":"white","family":"sans","size":2},"mermaid-gb3":{},"include-codeblock":{"check":false,"edit":false,"lang":"","fixlang":false,"template":"default","theme":"chrome","unindent":false},"sharing":{"facebook":true,"twitter":true,"google":false,"weibo":false,"instapaper":false,"vk":false,"all":["facebook","google","twitter","weibo","instapaper"]},"theme-default":{"styles":{"website":"styles/website.css","pdf":"styles/pdf.css","epub":"styles/epub.css","mobi":"styles/mobi.css","ebook":"styles/ebook.css","print":"styles/print.css"},"showLevel":false},"sunlight-highlighter":{"theme":"gitbook","lineNumbers":false}},"theme":"default","pdf":{"pageNumbers":true,"fontSize":12,"fontFamily":"Arial","paperSize":"a4","chapterMark":"pagebreak","pageBreaksBefore":"/","margin":{"right":62,"left":62,"top":56,"bottom":56}},"structure":{"langs":"LANGS.md","readme":"README.md","glossary":"GLOSSARY.md","summary":"SUMMARY.md"},"variables":{},"title":"Polkadot Common Book","gitbook":">=2.4.0"},"file":{"path":"util/README.md","mtime":"2019-02-15T07:39:31.874Z","type":"markdown"},"gitbook":{"version":"3.2.3","time":"2019-02-15T07:40:18.117Z"},"basePath":"..","book":{"language":""}});
+            gitbook.page.hasChanged({"page":{"title":"util","level":"1.5","depth":1,"next":{"title":"util-crypto","level":"1.6","depth":1,"path":"util-crypto/README.md","ref":"util-crypto/README.md","articles":[]},"previous":{"title":"trie-hash","level":"1.4","depth":1,"path":"trie-hash/README.md","ref":"trie-hash/README.md","articles":[]},"dir":"ltr"},"config":{"plugins":["include-codeblock","insert-logo-link","mermaid-gb3","-highlight","sunlight-highlighter"],"root":"docs","styles":{"website":"styles/website.css"},"pluginsConfig":{"insert-logo-link":{"src":"/common/logo.png","url":"https://polkadot.js.org"},"search":{},"lunr":{"maxIndexSize":1000000,"ignoreSpecialCharacters":false},"fontsettings":{"theme":"white","family":"sans","size":2},"mermaid-gb3":{},"include-codeblock":{"check":false,"edit":false,"lang":"","fixlang":false,"template":"default","theme":"chrome","unindent":false},"sharing":{"facebook":true,"twitter":true,"google":false,"weibo":false,"instapaper":false,"vk":false,"all":["facebook","google","twitter","weibo","instapaper"]},"theme-default":{"styles":{"website":"styles/website.css","pdf":"styles/pdf.css","epub":"styles/epub.css","mobi":"styles/mobi.css","ebook":"styles/ebook.css","print":"styles/print.css"},"showLevel":false},"sunlight-highlighter":{"theme":"gitbook","lineNumbers":false}},"theme":"default","pdf":{"pageNumbers":true,"fontSize":12,"fontFamily":"Arial","paperSize":"a4","chapterMark":"pagebreak","pageBreaksBefore":"/","margin":{"right":62,"left":62,"top":56,"bottom":56}},"structure":{"langs":"LANGS.md","readme":"README.md","glossary":"GLOSSARY.md","summary":"SUMMARY.md"},"variables":{},"title":"Polkadot Common Book","gitbook":">=2.4.0"},"file":{"path":"util/README.md","mtime":"2019-02-15T08:38:14.490Z","type":"markdown"},"gitbook":{"version":"3.2.3","time":"2019-02-15T08:39:01.754Z"},"basePath":"..","book":{"language":""}});
         });
     </script>
 </div>
diff --git a/docs/util/interfaces/_types_.exterrorinterface.md b/docs/util/interfaces/_types_.exterrorinterface.md
index 70dc7568c..9e013c33b 100644
--- a/docs/util/interfaces/_types_.exterrorinterface.md
+++ b/docs/util/interfaces/_types_.exterrorinterface.md
@@ -16,7 +16,7 @@
 
 **● code**: *`number`*
 
-*Defined in [types.ts:6](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/types.ts#L6)*
+*Defined in [types.ts:6](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/types.ts#L6)*
 
 ___
 <a id="data"></a>
@@ -25,7 +25,7 @@ ___
 
 **● data**: *`any`*
 
-*Defined in [types.ts:7](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/types.ts#L7)*
+*Defined in [types.ts:7](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/types.ts#L7)*
 
 ___
 <a id="message"></a>
@@ -34,7 +34,7 @@ ___
 
 **● message**: *`string`*
 
-*Defined in [types.ts:8](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/types.ts#L8)*
+*Defined in [types.ts:8](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/types.ts#L8)*
 
 ___
 <a id="stack"></a>
@@ -43,7 +43,7 @@ ___
 
 **● stack**: *`string`*
 
-*Defined in [types.ts:9](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/types.ts#L9)*
+*Defined in [types.ts:9](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/types.ts#L9)*
 
 ___
 
diff --git a/docs/util/interfaces/_types_.tobnoptions.md b/docs/util/interfaces/_types_.tobnoptions.md
index 45ab924fd..206c95946 100644
--- a/docs/util/interfaces/_types_.tobnoptions.md
+++ b/docs/util/interfaces/_types_.tobnoptions.md
@@ -12,7 +12,7 @@
 
 **● isLe**: *`undefined` | `false` | `true`*
 
-*Defined in [types.ts:24](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/types.ts#L24)*
+*Defined in [types.ts:24](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/types.ts#L24)*
 
 ___
 <a id="isnegative"></a>
@@ -21,7 +21,7 @@ ___
 
 **● isNegative**: *`undefined` | `false` | `true`*
 
-*Defined in [types.ts:25](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/types.ts#L25)*
+*Defined in [types.ts:25](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/types.ts#L25)*
 
 ___
 
diff --git a/docs/util/modules/_array_filter_.md b/docs/util/modules/_array_filter_.md
index 57df0b1ab..f8e314691 100644
--- a/docs/util/modules/_array_filter_.md
+++ b/docs/util/modules/_array_filter_.md
@@ -8,7 +8,7 @@
 
 ▸ **arrayFilter**(array: *`Array`<`any`>*, allowNulls?: *`boolean`*): `Array`<`any`>
 
-*Defined in [array/filter.ts:23](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/array/filter.ts#L23)*
+*Defined in [array/filter.ts:23](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/array/filter.ts#L23)*
 
 *__name__*: arrayFilter
 
diff --git a/docs/util/modules/_assert_.md b/docs/util/modules/_assert_.md
index b3c1bdc89..135e8ebdf 100644
--- a/docs/util/modules/_assert_.md
+++ b/docs/util/modules/_assert_.md
@@ -8,7 +8,7 @@
 
 ▸ **assert**<`T`>(test: *`Falsy` | `T`*, message: *`string` | `MessageFn`*, code?: *`number`*, data?: *`any`*): `boolean`
 
-*Defined in [assert.ts:28](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/assert.ts#L28)*
+*Defined in [assert.ts:28](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/assert.ts#L28)*
 
 *__name__*: assert
 
diff --git a/docs/util/modules/_bn_tobn_.md b/docs/util/modules/_bn_tobn_.md
index 8b6ef8a7d..74a82208c 100644
--- a/docs/util/modules/_bn_tobn_.md
+++ b/docs/util/modules/_bn_tobn_.md
@@ -8,7 +8,7 @@
 
 ▸ **bnToBn**(value?: *`BN` | `number` | `null`*): `BN`
 
-*Defined in [bn/toBn.ts:23](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/bn/toBn.ts#L23)*
+*Defined in [bn/toBn.ts:23](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/bn/toBn.ts#L23)*
 
 *__name__*: bnToBn
 
diff --git a/docs/util/modules/_bn_tohex_.md b/docs/util/modules/_bn_tohex_.md
index 9ef8d190b..2984054bb 100644
--- a/docs/util/modules/_bn_tohex_.md
+++ b/docs/util/modules/_bn_tohex_.md
@@ -8,7 +8,7 @@
 
 ▸ **bnToHex**(value?: *`BN` | `number` | `null`*, options?: *`number` | `Options`*): `string`
 
-*Defined in [bn/toHex.ts:33](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/bn/toHex.ts#L33)*
+*Defined in [bn/toHex.ts:33](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/bn/toHex.ts#L33)*
 
 *__name__*: bnToHex
 
diff --git a/docs/util/modules/_bn_tou8a_.md b/docs/util/modules/_bn_tou8a_.md
index 8b542cd16..8ed8d7c13 100644
--- a/docs/util/modules/_bn_tou8a_.md
+++ b/docs/util/modules/_bn_tou8a_.md
@@ -10,7 +10,7 @@
 
 ▸ **bnToU8a**(value: *`BN` | `number` | `null`*, bitLength?: *`undefined` | `number`*, isLe?: *`undefined` | `false` | `true`*): `Uint8Array`
 
-*Defined in [bn/toU8a.ts:29](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/bn/toU8a.ts#L29)*
+*Defined in [bn/toU8a.ts:29](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/bn/toU8a.ts#L29)*
 
 *__name__*: bnToU8a
 
@@ -35,7 +35,7 @@ bnToU8a(new BN(0x1234)); // => [0x12, 0x34]
 
 **Returns:** `Uint8Array`
 
-*Defined in [bn/toU8a.ts:30](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/bn/toU8a.ts#L30)*
+*Defined in [bn/toU8a.ts:30](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/bn/toU8a.ts#L30)*
 
 **Parameters:**
 
diff --git a/docs/util/modules/_buffer_tou8a_.md b/docs/util/modules/_buffer_tou8a_.md
index 23760886c..0f32bbd8e 100644
--- a/docs/util/modules/_buffer_tou8a_.md
+++ b/docs/util/modules/_buffer_tou8a_.md
@@ -8,7 +8,7 @@
 
 ▸ **bufferToU8a**(buffer?: *`Buffer` | `number`[] | `null`*): `Uint8Array`
 
-*Defined in [buffer/toU8a.ts:19](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/buffer/toU8a.ts#L19)*
+*Defined in [buffer/toU8a.ts:19](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/buffer/toU8a.ts#L19)*
 
 *__name__*: bufferToU8a
 
diff --git a/docs/util/modules/_compact_addlength_.md b/docs/util/modules/_compact_addlength_.md
index d799cadbb..be9185dce 100644
--- a/docs/util/modules/_compact_addlength_.md
+++ b/docs/util/modules/_compact_addlength_.md
@@ -8,7 +8,7 @@
 
 ▸ **compactAddLength**(input: *`Uint8Array`*): `Uint8Array`
 
-*Defined in [compact/addLength.ts:20](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/compact/addLength.ts#L20)*
+*Defined in [compact/addLength.ts:20](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/compact/addLength.ts#L20)*
 
 *__name__*: compactAddLength
 
diff --git a/docs/util/modules/_compact_defaults_.md b/docs/util/modules/_compact_defaults_.md
index f8906cb14..69e1d3066 100644
--- a/docs/util/modules/_compact_defaults_.md
+++ b/docs/util/modules/_compact_defaults_.md
@@ -8,7 +8,7 @@
 
 **● DEFAULT_BITLENGTH**: *[BitLength](_compact_types_.md#bitlength)* = 32
 
-*Defined in [compact/defaults.ts:7](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/compact/defaults.ts#L7)*
+*Defined in [compact/defaults.ts:7](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/compact/defaults.ts#L7)*
 
 ___
 
diff --git a/docs/util/modules/_compact_fromu8a_.md b/docs/util/modules/_compact_fromu8a_.md
index 9d8e44ff8..2e9cd13b6 100644
--- a/docs/util/modules/_compact_fromu8a_.md
+++ b/docs/util/modules/_compact_fromu8a_.md
@@ -8,7 +8,7 @@
 
 ▸ **compactFromU8a**(_input: *`Uint8Array` | `string`*, bitLength?: *[BitLength](_compact_types_.md#bitlength)*): [`number`, `BN`]
 
-*Defined in [compact/fromU8a.ts:26](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/compact/fromU8a.ts#L26)*
+*Defined in [compact/fromU8a.ts:26](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/compact/fromU8a.ts#L26)*
 
 *__name__*: compactFromU8a
 
diff --git a/docs/util/modules/_compact_striplength_.md b/docs/util/modules/_compact_striplength_.md
index 343cf4a64..521f05384 100644
--- a/docs/util/modules/_compact_striplength_.md
+++ b/docs/util/modules/_compact_striplength_.md
@@ -8,7 +8,7 @@
 
 ▸ **compactStripLength**(input: *`Uint8Array`*, bitLength?: *[BitLength](_compact_types_.md#bitlength)*): [`number`, `Uint8Array`]
 
-*Defined in [compact/stripLength.ts:22](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/compact/stripLength.ts#L22)*
+*Defined in [compact/stripLength.ts:22](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/compact/stripLength.ts#L22)*
 
 *__name__*: compactStripLength
 
diff --git a/docs/util/modules/_compact_tou8a_.md b/docs/util/modules/_compact_tou8a_.md
index ad99ca22c..011e318b3 100644
--- a/docs/util/modules/_compact_tou8a_.md
+++ b/docs/util/modules/_compact_tou8a_.md
@@ -8,7 +8,7 @@
 
 ▸ **compactToU8a**(_value: *`BN` | `number`*): `Uint8Array`
 
-*Defined in [compact/toU8a.ts:27](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/compact/toU8a.ts#L27)*
+*Defined in [compact/toU8a.ts:27](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/compact/toU8a.ts#L27)*
 
 *__name__*: compactToU8a
 
diff --git a/docs/util/modules/_compact_types_.md b/docs/util/modules/_compact_types_.md
index e8bbffadf..8a2b49720 100644
--- a/docs/util/modules/_compact_types_.md
+++ b/docs/util/modules/_compact_types_.md
@@ -8,7 +8,7 @@
 
 **Ƭ BitLength**: *`8` | `16` | `32` | `64` | `128` | `256`*
 
-*Defined in [compact/types.ts:5](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/compact/types.ts#L5)*
+*Defined in [compact/types.ts:5](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/compact/types.ts#L5)*
 
 ___
 
diff --git a/docs/util/modules/_hex_addprefix_.md b/docs/util/modules/_hex_addprefix_.md
index ef5bb4671..c6e634390 100644
--- a/docs/util/modules/_hex_addprefix_.md
+++ b/docs/util/modules/_hex_addprefix_.md
@@ -8,7 +8,7 @@
 
 ▸ **hexAddPrefix**(value?: *`string` | `null`*): `string`
 
-*Defined in [hex/addPrefix.ts:21](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/hex/addPrefix.ts#L21)*
+*Defined in [hex/addPrefix.ts:21](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/hex/addPrefix.ts#L21)*
 
 *__name__*: hexAddPrefix
 
diff --git a/docs/util/modules/_hex_fixlength_.md b/docs/util/modules/_hex_fixlength_.md
index c000eb7f2..d33bb8902 100644
--- a/docs/util/modules/_hex_fixlength_.md
+++ b/docs/util/modules/_hex_fixlength_.md
@@ -8,7 +8,7 @@
 
 ▸ **hexFixLength**(value: *`string`*, bitLength?: *`number`*, withPadding?: *`boolean`*): `string`
 
-*Defined in [hex/fixLength.ts:24](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/hex/fixLength.ts#L24)*
+*Defined in [hex/fixLength.ts:24](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/hex/fixLength.ts#L24)*
 
 *__name__*: hexFixLength
 
diff --git a/docs/util/modules/_hex_hasprefix_.md b/docs/util/modules/_hex_hasprefix_.md
index 8c6c40312..2dc40539c 100644
--- a/docs/util/modules/_hex_hasprefix_.md
+++ b/docs/util/modules/_hex_hasprefix_.md
@@ -8,7 +8,7 @@
 
 ▸ **hexHasPrefix**(value?: *`string` | `null`*): `boolean`
 
-*Defined in [hex/hasPrefix.ts:21](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/hex/hasPrefix.ts#L21)*
+*Defined in [hex/hasPrefix.ts:21](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/hex/hasPrefix.ts#L21)*
 
 *__name__*: hexHasPrefix
 
diff --git a/docs/util/modules/_hex_stripprefix_.md b/docs/util/modules/_hex_stripprefix_.md
index e83c98e75..1ddc6cc60 100644
--- a/docs/util/modules/_hex_stripprefix_.md
+++ b/docs/util/modules/_hex_stripprefix_.md
@@ -8,7 +8,7 @@
 
 ▸ **hexStripPrefix**(value?: *`string` | `null`*): `string`
 
-*Defined in [hex/stripPrefix.ts:23](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/hex/stripPrefix.ts#L23)*
+*Defined in [hex/stripPrefix.ts:23](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/hex/stripPrefix.ts#L23)*
 
 *__name__*: hexStripPrefix
 
diff --git a/docs/util/modules/_hex_tobn_.md b/docs/util/modules/_hex_tobn_.md
index a4994de18..1086d7d11 100644
--- a/docs/util/modules/_hex_tobn_.md
+++ b/docs/util/modules/_hex_tobn_.md
@@ -8,7 +8,7 @@
 
 ▸ **hexToBn**(value?: *`string` | `number` | `null`*, options?: *[ToBnOptions](../interfaces/_types_.tobnoptions.md) | `boolean`*): `BN`
 
-*Defined in [hex/toBn.ts:35](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/hex/toBn.ts#L35)*
+*Defined in [hex/toBn.ts:35](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/hex/toBn.ts#L35)*
 
 *__name__*: hexToBn
 
diff --git a/docs/util/modules/_hex_tonumber_.md b/docs/util/modules/_hex_tonumber_.md
index b769f29c6..3fa3a0f5a 100644
--- a/docs/util/modules/_hex_tonumber_.md
+++ b/docs/util/modules/_hex_tonumber_.md
@@ -8,7 +8,7 @@
 
 ▸ **hexToNumber**(value?: *`string` | `null`*): `number`
 
-*Defined in [hex/toNumber.ts:21](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/hex/toNumber.ts#L21)*
+*Defined in [hex/toNumber.ts:21](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/hex/toNumber.ts#L21)*
 
 *__name__*: hexToNumber
 
diff --git a/docs/util/modules/_hex_tou8a_.md b/docs/util/modules/_hex_tou8a_.md
index d0a582aca..4d3e029d8 100644
--- a/docs/util/modules/_hex_tou8a_.md
+++ b/docs/util/modules/_hex_tou8a_.md
@@ -8,7 +8,7 @@
 
 ▸ **hexToU8a**(_value?: *`string` | `null`*, bitLength?: *`number`*): `Uint8Array`
 
-*Defined in [hex/toU8a.ts:24](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/hex/toU8a.ts#L24)*
+*Defined in [hex/toU8a.ts:24](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/hex/toU8a.ts#L24)*
 
 *__name__*: hexToU8a
 
diff --git a/docs/util/modules/_is_bn_.md b/docs/util/modules/_is_bn_.md
index 8f2462a74..5ec693a23 100644
--- a/docs/util/modules/_is_bn_.md
+++ b/docs/util/modules/_is_bn_.md
@@ -8,7 +8,7 @@
 
 ▸ **isBn**(value: *`any`*): `boolean`
 
-*Defined in [is/bn.ts:22](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/is/bn.ts#L22)*
+*Defined in [is/bn.ts:22](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/is/bn.ts#L22)*
 
 *__name__*: isBn
 
diff --git a/docs/util/modules/_is_boolean_.md b/docs/util/modules/_is_boolean_.md
index faf3b2373..930d4d036 100644
--- a/docs/util/modules/_is_boolean_.md
+++ b/docs/util/modules/_is_boolean_.md
@@ -8,7 +8,7 @@
 
 ▸ **isBoolean**(value: *`any`*): `boolean`
 
-*Defined in [is/boolean.ts:19](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/is/boolean.ts#L19)*
+*Defined in [is/boolean.ts:19](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/is/boolean.ts#L19)*
 
 *__name__*: isBoolean
 
diff --git a/docs/util/modules/_is_buffer_.md b/docs/util/modules/_is_buffer_.md
index 26265ba84..811a7ca50 100644
--- a/docs/util/modules/_is_buffer_.md
+++ b/docs/util/modules/_is_buffer_.md
@@ -8,7 +8,7 @@
 
 ▸ **isBuffer**(value: *`any`*): `boolean`
 
-*Defined in [is/buffer.ts:21](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/is/buffer.ts#L21)*
+*Defined in [is/buffer.ts:21](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/is/buffer.ts#L21)*
 
 *__name__*: isBuffer
 
diff --git a/docs/util/modules/_is_error_.md b/docs/util/modules/_is_error_.md
index cd51e41dd..9bf3a596b 100644
--- a/docs/util/modules/_is_error_.md
+++ b/docs/util/modules/_is_error_.md
@@ -8,7 +8,7 @@
 
 ▸ **isError**(value: *`any`*): `boolean`
 
-*Defined in [is/error.ts:21](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/is/error.ts#L21)*
+*Defined in [is/error.ts:21](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/is/error.ts#L21)*
 
 *__name__*: isError
 
diff --git a/docs/util/modules/_is_function_.md b/docs/util/modules/_is_function_.md
index 58abae123..09218b5d2 100644
--- a/docs/util/modules/_is_function_.md
+++ b/docs/util/modules/_is_function_.md
@@ -8,7 +8,7 @@
 
 ▸ **isFunction**(value: *`any`*): `boolean`
 
-*Defined in [is/function.ts:19](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/is/function.ts#L19)*
+*Defined in [is/function.ts:19](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/is/function.ts#L19)*
 
 *__name__*: isFunction
 
diff --git a/docs/util/modules/_is_hex_.md b/docs/util/modules/_is_hex_.md
index 7069aa0a6..58ad62f14 100644
--- a/docs/util/modules/_is_hex_.md
+++ b/docs/util/modules/_is_hex_.md
@@ -8,7 +8,7 @@
 
 ▸ **isHex**(value: *`any`*, bitLength?: *`number`*, ignoreLength?: *`boolean`*): `boolean`
 
-*Defined in [is/hex.ts:24](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/is/hex.ts#L24)*
+*Defined in [is/hex.ts:24](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/is/hex.ts#L24)*
 
 *__name__*: isHex
 
diff --git a/docs/util/modules/_is_instanceof_.md b/docs/util/modules/_is_instanceof_.md
index 3fd183aec..5514ab6c1 100644
--- a/docs/util/modules/_is_instanceof_.md
+++ b/docs/util/modules/_is_instanceof_.md
@@ -8,7 +8,7 @@
 
 ▸ **isInstanceOf**(value: *`any`*, clazz: *`any`*): `boolean`
 
-*Defined in [is/instanceOf.ts:19](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/is/instanceOf.ts#L19)*
+*Defined in [is/instanceOf.ts:19](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/is/instanceOf.ts#L19)*
 
 *__name__*: isInstanceOf
 
diff --git a/docs/util/modules/_is_ip_.md b/docs/util/modules/_is_ip_.md
index 9ca4f81c6..7835e1cf7 100644
--- a/docs/util/modules/_is_ip_.md
+++ b/docs/util/modules/_is_ip_.md
@@ -8,7 +8,7 @@
 
 ▸ **isIp**(value: *`string`*, type?: *`IpTypes`*): `boolean`
 
-*Defined in [is/ip.ts:26](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/is/ip.ts#L26)*
+*Defined in [is/ip.ts:26](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/is/ip.ts#L26)*
 
 *__name__*: isIp
 
diff --git a/docs/util/modules/_is_null_.md b/docs/util/modules/_is_null_.md
index 0f3d8dac3..21ed9c328 100644
--- a/docs/util/modules/_is_null_.md
+++ b/docs/util/modules/_is_null_.md
@@ -8,7 +8,7 @@
 
 ▸ **isNull**(value?: *`any`*): `boolean`
 
-*Defined in [is/null.ts:19](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/is/null.ts#L19)*
+*Defined in [is/null.ts:19](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/is/null.ts#L19)*
 
 *__name__*: isNull
 
diff --git a/docs/util/modules/_is_number_.md b/docs/util/modules/_is_number_.md
index 50e532084..6f5089a08 100644
--- a/docs/util/modules/_is_number_.md
+++ b/docs/util/modules/_is_number_.md
@@ -8,7 +8,7 @@
 
 ▸ **isNumber**(value: *`any`*): `boolean`
 
-*Defined in [is/number.ts:19](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/is/number.ts#L19)*
+*Defined in [is/number.ts:19](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/is/number.ts#L19)*
 
 *__name__*: isNumber
 
diff --git a/docs/util/modules/_is_object_.md b/docs/util/modules/_is_object_.md
index 691f45e8b..88fde5169 100644
--- a/docs/util/modules/_is_object_.md
+++ b/docs/util/modules/_is_object_.md
@@ -8,7 +8,7 @@
 
 ▸ **isObject**(value: *`any`*): `boolean`
 
-*Defined in [is/object.ts:24](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/is/object.ts#L24)*
+*Defined in [is/object.ts:24](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/is/object.ts#L24)*
 
 *__name__*: isObject
 
diff --git a/docs/util/modules/_is_observable_.md b/docs/util/modules/_is_observable_.md
index fc7413de8..3f641d531 100644
--- a/docs/util/modules/_is_observable_.md
+++ b/docs/util/modules/_is_observable_.md
@@ -8,7 +8,7 @@
 
 ▸ **isObservable**(value: *`any`*): `boolean`
 
-*Defined in [is/observable.ts:26](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/is/observable.ts#L26)*
+*Defined in [is/observable.ts:26](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/is/observable.ts#L26)*
 
 *__name__*: isBObservable
 
diff --git a/docs/util/modules/_is_string_.md b/docs/util/modules/_is_string_.md
index aeb731ed0..d3b64d463 100644
--- a/docs/util/modules/_is_string_.md
+++ b/docs/util/modules/_is_string_.md
@@ -8,7 +8,7 @@
 
 ▸ **isString**(value: *`any`*): `boolean`
 
-*Defined in [is/string.ts:19](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/is/string.ts#L19)*
+*Defined in [is/string.ts:19](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/is/string.ts#L19)*
 
 *__name__*: isString
 
diff --git a/docs/util/modules/_is_u8a_.md b/docs/util/modules/_is_u8a_.md
index 0a4a7206b..981c134c5 100644
--- a/docs/util/modules/_is_u8a_.md
+++ b/docs/util/modules/_is_u8a_.md
@@ -8,7 +8,7 @@
 
 ▸ **isU8a**(value?: *`any`*): `boolean`
 
-*Defined in [is/u8a.ts:21](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/is/u8a.ts#L21)*
+*Defined in [is/u8a.ts:21](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/is/u8a.ts#L21)*
 
 *__name__*: isU8a
 
diff --git a/docs/util/modules/_is_undefined_.md b/docs/util/modules/_is_undefined_.md
index cda1113f8..ba04a74dc 100644
--- a/docs/util/modules/_is_undefined_.md
+++ b/docs/util/modules/_is_undefined_.md
@@ -8,7 +8,7 @@
 
 ▸ **isUndefined**(value?: *`any`*): `boolean`
 
-*Defined in [is/undefined.ts:19](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/is/undefined.ts#L19)*
+*Defined in [is/undefined.ts:19](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/is/undefined.ts#L19)*
 
 *__name__*: isUndefined
 
diff --git a/docs/util/modules/_logger_.md b/docs/util/modules/_logger_.md
index c228344a6..3f6c98b5d 100644
--- a/docs/util/modules/_logger_.md
+++ b/docs/util/modules/_logger_.md
@@ -8,7 +8,7 @@
 
 ▸ **format**(value: *`any`*): `any`
 
-*Defined in [logger.ts:42](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/logger.ts#L42)*
+*Defined in [logger.ts:42](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/logger.ts#L42)*
 
 **Parameters:**
 
@@ -25,7 +25,7 @@ ___
 
 ▸ **logger**(_type: *`string`*): [Logger](_types_.md#logger)
 
-*Defined in [logger.ts:104](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/logger.ts#L104)*
+*Defined in [logger.ts:104](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/logger.ts#L104)*
 
 *__name__*: Logger
 
diff --git a/docs/util/modules/_number_tohex_.md b/docs/util/modules/_number_tohex_.md
index 905a8dd15..29726cd72 100644
--- a/docs/util/modules/_number_tohex_.md
+++ b/docs/util/modules/_number_tohex_.md
@@ -8,7 +8,7 @@
 
 ▸ **numberToHex**(value?: *`number` | `null`*, bitLength?: *`number`*): `string`
 
-*Defined in [number/toHex.ts:24](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/number/toHex.ts#L24)*
+*Defined in [number/toHex.ts:24](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/number/toHex.ts#L24)*
 
 *__name__*: numberToHex
 
diff --git a/docs/util/modules/_number_tou8a_.md b/docs/util/modules/_number_tou8a_.md
index 54e01d57d..f122517ad 100644
--- a/docs/util/modules/_number_tou8a_.md
+++ b/docs/util/modules/_number_tou8a_.md
@@ -8,7 +8,7 @@
 
 ▸ **numberToU8a**(value?: *`number` | `null`*, bitLength?: *`number`*): `Uint8Array`
 
-*Defined in [number/toU8a.ts:22](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/number/toU8a.ts#L22)*
+*Defined in [number/toU8a.ts:22](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/number/toU8a.ts#L22)*
 
 *__name__*: numberToU8a
 
diff --git a/docs/util/modules/_promisify_.md b/docs/util/modules/_promisify_.md
index 41c404808..9dc7c2ee3 100644
--- a/docs/util/modules/_promisify_.md
+++ b/docs/util/modules/_promisify_.md
@@ -8,7 +8,7 @@
 
 ▸ **promisify**(self: *`any`*, fn: *`Function`*, ...params: *`Array`<`any`>*): `Promise`<`any`>
 
-*Defined in [promisify.ts:20](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/promisify.ts#L20)*
+*Defined in [promisify.ts:20](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/promisify.ts#L20)*
 
 *__name__*: promisify
 
diff --git a/docs/util/modules/_string_lowerfirst_.md b/docs/util/modules/_string_lowerfirst_.md
index 2ffb8b0a8..775db8bff 100644
--- a/docs/util/modules/_string_lowerfirst_.md
+++ b/docs/util/modules/_string_lowerfirst_.md
@@ -8,7 +8,7 @@
 
 ▸ **stringLowerFirst**(value?: *`string` | `null`*): `string`
 
-*Defined in [string/lowerFirst.ts:19](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/string/lowerFirst.ts#L19)*
+*Defined in [string/lowerFirst.ts:19](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/string/lowerFirst.ts#L19)*
 
 *__name__*: stringLowerFirst
 
diff --git a/docs/util/modules/_string_shorten_.md b/docs/util/modules/_string_shorten_.md
index 65f9e6a0b..01fbdec78 100644
--- a/docs/util/modules/_string_shorten_.md
+++ b/docs/util/modules/_string_shorten_.md
@@ -8,7 +8,7 @@
 
 ▸ **stringShorten**(_value?: *`any`*, prefixLength?: *`number`*): `string`
 
-*Defined in [string/shorten.ts:19](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/string/shorten.ts#L19)*
+*Defined in [string/shorten.ts:19](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/string/shorten.ts#L19)*
 
 *__name__*: stringShorten
 
diff --git a/docs/util/modules/_string_tou8a_.md b/docs/util/modules/_string_tou8a_.md
index 2a52fbe60..c02c48be7 100644
--- a/docs/util/modules/_string_tou8a_.md
+++ b/docs/util/modules/_string_tou8a_.md
@@ -8,7 +8,7 @@
 
 ▸ **stringToU8a**(value?: *`undefined` | `string`*): `Uint8Array`
 
-*Defined in [string/toU8a.ts:39](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/string/toU8a.ts#L39)*
+*Defined in [string/toU8a.ts:39](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/string/toU8a.ts#L39)*
 
 *__name__*: stringToU8a
 
diff --git a/docs/util/modules/_string_upperfirst_.md b/docs/util/modules/_string_upperfirst_.md
index cd1b997d5..f36bfb1a2 100644
--- a/docs/util/modules/_string_upperfirst_.md
+++ b/docs/util/modules/_string_upperfirst_.md
@@ -8,7 +8,7 @@
 
 ▸ **stringUpperFirst**(value?: *`string` | `null`*): `string`
 
-*Defined in [string/upperFirst.ts:19](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/string/upperFirst.ts#L19)*
+*Defined in [string/upperFirst.ts:19](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/string/upperFirst.ts#L19)*
 
 *__name__*: stringUpperFirst
 
diff --git a/docs/util/modules/_syncify_.md b/docs/util/modules/_syncify_.md
index f9322c48a..ab401f393 100644
--- a/docs/util/modules/_syncify_.md
+++ b/docs/util/modules/_syncify_.md
@@ -8,7 +8,7 @@
 
 ▸ **syncify**(promise: *`Promise`<`any`>*): `any`
 
-*Defined in [syncify.ts:11](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/syncify.ts#L11)*
+*Defined in [syncify.ts:11](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/syncify.ts#L11)*
 
 **Parameters:**
 
diff --git a/docs/util/modules/_types_.md b/docs/util/modules/_types_.md
index 5608eb065..c6fe0d921 100644
--- a/docs/util/modules/_types_.md
+++ b/docs/util/modules/_types_.md
@@ -22,7 +22,7 @@
 
 **Ƭ Logger**: *`object`*
 
-*Defined in [types.ts:15](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/types.ts#L15)*
+*Defined in [types.ts:15](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/types.ts#L15)*
 
 #### Type declaration
 
@@ -33,7 +33,7 @@ ___
 
 **Ƭ Logger$Data**: *`Array`<`any` | `Logger$Data$Fn`>*
 
-*Defined in [types.ts:13](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/types.ts#L13)*
+*Defined in [types.ts:13](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/types.ts#L13)*
 
 ___
 
diff --git a/docs/util/modules/_u8a_concat_.md b/docs/util/modules/_u8a_concat_.md
index aed70f1ee..f01653642 100644
--- a/docs/util/modules/_u8a_concat_.md
+++ b/docs/util/modules/_u8a_concat_.md
@@ -8,7 +8,7 @@
 
 ▸ **u8aConcat**(..._list: *`Array`<`Uint8Array` | `string`>*): `Uint8Array`
 
-*Defined in [u8a/concat.ts:24](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/u8a/concat.ts#L24)*
+*Defined in [u8a/concat.ts:24](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/u8a/concat.ts#L24)*
 
 *__name__*: u8aConcat
 
diff --git a/docs/util/modules/_u8a_fixlength_.md b/docs/util/modules/_u8a_fixlength_.md
index 70a0c5184..e1cfa5898 100644
--- a/docs/util/modules/_u8a_fixlength_.md
+++ b/docs/util/modules/_u8a_fixlength_.md
@@ -8,7 +8,7 @@
 
 ▸ **u8aFixLength**(value: *`Uint8Array`*, bitLength?: *`number`*, atStart?: *`boolean`*): `Uint8Array`
 
-*Defined in [u8a/fixLength.ts:21](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/u8a/fixLength.ts#L21)*
+*Defined in [u8a/fixLength.ts:21](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/u8a/fixLength.ts#L21)*
 
 *__name__*: u8aFixLength
 
diff --git a/docs/util/modules/_u8a_tobn_.md b/docs/util/modules/_u8a_tobn_.md
index 829a93ee0..b68e8b01c 100644
--- a/docs/util/modules/_u8a_tobn_.md
+++ b/docs/util/modules/_u8a_tobn_.md
@@ -8,7 +8,7 @@
 
 ▸ **u8aToBn**(value: *`Uint8Array`*, options?: *[ToBnOptions](../interfaces/_types_.tobnoptions.md) | `boolean`*): `BN`
 
-*Defined in [u8a/toBn.ts:29](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/u8a/toBn.ts#L29)*
+*Defined in [u8a/toBn.ts:29](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/u8a/toBn.ts#L29)*
 
 *__name__*: u8aToBn
 
diff --git a/docs/util/modules/_u8a_tobuffer_.md b/docs/util/modules/_u8a_tobuffer_.md
index ee5f153c7..68eb3fe73 100644
--- a/docs/util/modules/_u8a_tobuffer_.md
+++ b/docs/util/modules/_u8a_tobuffer_.md
@@ -8,7 +8,7 @@
 
 ▸ **u8aToBuffer**(value?: *`Uint8Array` | `null`*): `Buffer`
 
-*Defined in [u8a/toBuffer.ts:19](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/u8a/toBuffer.ts#L19)*
+*Defined in [u8a/toBuffer.ts:19](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/u8a/toBuffer.ts#L19)*
 
 *__name__*: u8aToBuffer
 
diff --git a/docs/util/modules/_u8a_tohex_.md b/docs/util/modules/_u8a_tohex_.md
index d85d84c6d..492542783 100644
--- a/docs/util/modules/_u8a_tohex_.md
+++ b/docs/util/modules/_u8a_tohex_.md
@@ -8,7 +8,7 @@
 
 ▸ **u8aToHex**(value?: *`Uint8Array` | `null`*, bitLength?: *`number`*, isPrefixed?: *`boolean`*): `string`
 
-*Defined in [u8a/toHex.ts:21](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/u8a/toHex.ts#L21)*
+*Defined in [u8a/toHex.ts:21](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/u8a/toHex.ts#L21)*
 
 *__name__*: u8aToHex
 
diff --git a/docs/util/modules/_u8a_tostring_.md b/docs/util/modules/_u8a_tostring_.md
index 2835962b0..683e679ee 100644
--- a/docs/util/modules/_u8a_tostring_.md
+++ b/docs/util/modules/_u8a_tostring_.md
@@ -8,7 +8,7 @@
 
 ▸ **u8aToString**(value?: *`Uint8Array` | `null`*): `string`
 
-*Defined in [u8a/toString.ts:35](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/u8a/toString.ts#L35)*
+*Defined in [u8a/toString.ts:35](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/u8a/toString.ts#L35)*
 
 *__name__*: u8aToString
 
diff --git a/docs/util/modules/_u8a_tou8a_.md b/docs/util/modules/_u8a_tou8a_.md
index 891d65728..360b2f5e1 100644
--- a/docs/util/modules/_u8a_tou8a_.md
+++ b/docs/util/modules/_u8a_tou8a_.md
@@ -8,7 +8,7 @@
 
 ▸ **u8aToU8a**(value?: *`Array`<`number`> | `Buffer` | `Uint8Array` | `string` | `null`*): `Uint8Array`
 
-*Defined in [u8a/toU8a.ts:27](https://github.com/polkadot-js/common/blob/49b0c84/packages/util/src/u8a/toU8a.ts#L27)*
+*Defined in [u8a/toU8a.ts:27](https://github.com/polkadot-js/common/blob/8513530/packages/util/src/u8a/toU8a.ts#L27)*
 
 *__name__*: u8aToU8a
 
diff --git a/lerna.json b/lerna.json
index 4b4c64c40..bfeceae5d 100644
--- a/lerna.json
+++ b/lerna.json
@@ -9,5 +9,5 @@
   "packages": [
     "packages/*"
   ],
-  "version": "0.34.8"
+  "version": "0.34.9"
 }
diff --git a/package.json b/package.json
index 7e3376320..06d47be3e 100644
--- a/package.json
+++ b/package.json
@@ -1,5 +1,5 @@
 {
-  "version": "0.34.8",
+  "version": "0.34.9",
   "private": true,
   "engines": {
     "node": "^10.13.0",
diff --git a/packages/chainspec/package.json b/packages/chainspec/package.json
index f63f26886..7e591df37 100644
--- a/packages/chainspec/package.json
+++ b/packages/chainspec/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/chainspec",
-  "version": "0.34.8",
+  "version": "0.34.9",
   "description": "Contains chain specifications for known chains",
   "main": "index.js",
   "keywords": [
@@ -29,6 +29,6 @@
   "homepage": "https://github.com/polkadot-js/common/tree/master/packages/chainspec#readme",
   "dependencies": {
     "@babel/runtime": "^7.2.0",
-    "@polkadot/util": "^0.34.8"
+    "@polkadot/util": "^0.34.9"
   }
 }
diff --git a/packages/db/package.json b/packages/db/package.json
index 532b56bc6..1d4a87950 100644
--- a/packages/db/package.json
+++ b/packages/db/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/db",
-  "version": "0.34.8",
+  "version": "0.34.9",
   "description": "Implementation of a basic sync in-memory and on-disk databases with overlays",
   "main": "index.js",
   "keywords": [
@@ -29,8 +29,8 @@
   "homepage": "https://github.com/polkadot-js/common/tree/master/packages/db#readme",
   "dependencies": {
     "@babel/runtime": "^7.2.0",
-    "@polkadot/trie-hash": "^0.34.8",
-    "@polkadot/util": "^0.34.8",
+    "@polkadot/trie-hash": "^0.34.9",
+    "@polkadot/util": "^0.34.9",
     "@types/mkdirp": "^0.5.2",
     "@types/rimraf": "^2.0.2",
     "@types/snappy": "^6.0.0",
diff --git a/packages/keyring/package.json b/packages/keyring/package.json
index 4be013e1e..dbd9f0558 100644
--- a/packages/keyring/package.json
+++ b/packages/keyring/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/keyring",
-  "version": "0.34.8",
+  "version": "0.34.9",
   "description": "Keyring management",
   "main": "index.js",
   "engines": {
@@ -31,8 +31,8 @@
   "homepage": "https://github.com/polkadot-js/common/tree/master/packages/keyring#readme",
   "dependencies": {
     "@babel/runtime": "^7.2.0",
-    "@polkadot/util": "^0.34.8",
-    "@polkadot/util-crypto": "^0.34.8",
+    "@polkadot/util": "^0.34.9",
+    "@polkadot/util-crypto": "^0.34.9",
     "@types/bs58": "^4.0.0",
     "bs58": "^4.0.1"
   }
diff --git a/packages/trie-codec/package.json b/packages/trie-codec/package.json
index 28de4662b..6a43f2e4a 100644
--- a/packages/trie-codec/package.json
+++ b/packages/trie-codec/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/trie-codec",
-  "version": "0.34.8",
+  "version": "0.34.9",
   "description": "This is an implementation of the codec for Substrate Trie",
   "main": "index.js",
   "keywords": [
@@ -29,6 +29,6 @@
   "homepage": "https://github.com/polkadot-js/common/tree/master/packages/trie-codec#readme",
   "dependencies": {
     "@babel/runtime": "^7.2.0",
-    "@polkadot/util": "^0.34.8"
+    "@polkadot/util": "^0.34.9"
   }
 }
diff --git a/packages/trie-db/package.json b/packages/trie-db/package.json
index 15961ebfd..42d42fc96 100644
--- a/packages/trie-db/package.json
+++ b/packages/trie-db/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/trie-db",
-  "version": "0.34.8",
+  "version": "0.34.9",
   "description": "This is an implementation of the modified merkle patricia tree as specified in Ethereum's yellow paper, adapted for Polkadot",
   "main": "index.js",
   "keywords": [
@@ -29,15 +29,15 @@
   "homepage": "https://github.com/polkadot-js/common/tree/master/packages/trie-db#readme",
   "dependencies": {
     "@babel/runtime": "^7.2.0",
-    "@polkadot/db": "^0.34.8",
-    "@polkadot/trie-codec": "^0.34.8",
-    "@polkadot/trie-hash": "^0.34.8",
-    "@polkadot/util": "^0.34.8",
-    "@polkadot/util-crypto": "^0.34.8"
+    "@polkadot/db": "^0.34.9",
+    "@polkadot/trie-codec": "^0.34.9",
+    "@polkadot/trie-hash": "^0.34.9",
+    "@polkadot/util": "^0.34.9",
+    "@polkadot/util-crypto": "^0.34.9"
   },
   "devDependencies": {
-    "@polkadot/chainspec": "^0.34.8",
-    "@polkadot/util-rlp": "^0.34.8",
+    "@polkadot/chainspec": "^0.34.9",
+    "@polkadot/util-rlp": "^0.34.9",
     "ethereumjs-testing": "1.0.4"
   }
 }
diff --git a/packages/trie-hash/package.json b/packages/trie-hash/package.json
index 2efcdc135..a971e9281 100644
--- a/packages/trie-hash/package.json
+++ b/packages/trie-hash/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/trie-hash",
-  "version": "0.34.8",
+  "version": "0.34.9",
   "description": "Generates trie roots from key-value pairs",
   "main": "index.js",
   "keywords": [
@@ -29,9 +29,9 @@
   "homepage": "https://github.com/polkadot-js/common/tree/master/packages/trie-hash#readme",
   "dependencies": {
     "@babel/runtime": "^7.2.0",
-    "@polkadot/util": "^0.34.8"
+    "@polkadot/util": "^0.34.9"
   },
   "devDependencies": {
-    "@polkadot/chainspec": "^0.34.8"
+    "@polkadot/chainspec": "^0.34.9"
   }
 }
diff --git a/packages/util-crypto/package.json b/packages/util-crypto/package.json
index 155f213ac..a59b6f2aa 100644
--- a/packages/util-crypto/package.json
+++ b/packages/util-crypto/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/util-crypto",
-  "version": "0.34.8",
+  "version": "0.34.9",
   "description": "A collection of useful crypto utilities for @polkadot",
   "main": "index.js",
   "keywords": [
@@ -30,7 +30,7 @@
   "dependencies": {
     "@babel/runtime": "^7.2.0",
     "@parity/schnorrkel-js": "^0.1.2",
-    "@polkadot/util": "^0.34.8",
+    "@polkadot/util": "^0.34.9",
     "@types/bip39": "^2.4.1",
     "@types/webassembly-js-api": "^0.0.2",
     "bip39": "^2.5.0",
diff --git a/packages/util-rlp/package.json b/packages/util-rlp/package.json
index 6cdea1192..eddf355ab 100644
--- a/packages/util-rlp/package.json
+++ b/packages/util-rlp/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/util-rlp",
-  "version": "0.34.8",
+  "version": "0.34.9",
   "description": "RLP encoding and decoding",
   "main": "index.js",
   "keywords": [
@@ -31,7 +31,7 @@
   "homepage": "https://github.com/polkadot-js/common/tree/master/packages/util-rlp#readme",
   "dependencies": {
     "@babel/runtime": "^7.2.0",
-    "@polkadot/util": "^0.34.8"
+    "@polkadot/util": "^0.34.9"
   },
   "devDependencies": {
     "ethereumjs-testing": "1.0.4"
diff --git a/packages/util/package.json b/packages/util/package.json
index 6739ac19e..528dd87c8 100644
--- a/packages/util/package.json
+++ b/packages/util/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/util",
-  "version": "0.34.8",
+  "version": "0.34.9",
   "description": "A collection of useful utilities for @polkadot",
   "main": "index.js",
   "keywords": [