diff --git a/docs/GLOSSARY.html b/docs/GLOSSARY.html
index 30123914d..59f17a601 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":"2018-10-25T12:08:45.653Z","type":"markdown"},"gitbook":{"version":"3.2.3","time":"2018-10-25T12:12:29.724Z"},"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":"2018-11-01T13:30:11.677Z","type":"markdown"},"gitbook":{"version":"3.2.3","time":"2018-11-01T13:33:38.810Z"},"basePath":".","book":{"language":""}});
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 </div>
diff --git a/docs/db/classes/_disk_.diskdb.md b/docs/db/classes/_disk_.diskdb.md
index 82ba94789..4b1db02a3 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/d0291db/packages/db/src/Disk.ts#L66)*
+*Defined in [Disk.ts:66](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/Disk.ts#L66)*
 
 **Parameters:**
 
@@ -98,7 +98,7 @@ ___
 
 *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/d0291db/packages/db/src/engines/TransactionDb.ts#L51)*
+*Defined in [engines/TransactionDb.ts:51](https://github.com/polkadot-js/common/blob/02d4155/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/d0291db/packages/db/src/engines/TransactionDb.ts#L81)*
+*Defined in [engines/TransactionDb.ts:81](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/engines/TransactionDb.ts#L81)*
 
 **Parameters:**
 
@@ -130,7 +130,7 @@ ___
 
 *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/d0291db/packages/db/src/engines/TransactionDb.ts#L59)*
+*Defined in [engines/TransactionDb.ts:59](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/engines/TransactionDb.ts#L59)*
 
 **Returns:** `void`
 
@@ -143,7 +143,7 @@ ___
 
 *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/d0291db/packages/db/src/engines/TransactionDb.ts#L63)*
+*Defined in [engines/TransactionDb.ts:63](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/engines/TransactionDb.ts#L63)*
 
 **Returns:** `void`
 
@@ -156,7 +156,7 @@ ___
 
 *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/d0291db/packages/db/src/engines/TransactionDb.ts#L93)*
+*Defined in [engines/TransactionDb.ts:93](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/engines/TransactionDb.ts#L93)*
 
 **Parameters:**
 
@@ -175,7 +175,7 @@ ___
 
 *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/d0291db/packages/db/src/engines/TransactionDb.ts#L71)*
+*Defined in [engines/TransactionDb.ts:71](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/engines/TransactionDb.ts#L71)*
 
 **Parameters:**
 
@@ -194,7 +194,7 @@ ___
 
 *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/d0291db/packages/db/src/engines/TransactionDb.ts#L55)*
+*Defined in [engines/TransactionDb.ts:55](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/engines/TransactionDb.ts#L55)*
 
 **Returns:** `void`
 
@@ -207,7 +207,7 @@ ___
 
 *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/d0291db/packages/db/src/engines/TransactionDb.ts#L107)*
+*Defined in [engines/TransactionDb.ts:107](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/engines/TransactionDb.ts#L107)*
 
 **Parameters:**
 
@@ -227,7 +227,7 @@ ___
 
 *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/d0291db/packages/db/src/engines/TransactionDb.ts#L67)*
+*Defined in [engines/TransactionDb.ts:67](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/engines/TransactionDb.ts#L67)*
 
 **Parameters:**
 
@@ -247,7 +247,7 @@ ___
 
 *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/d0291db/packages/db/src/engines/TransactionDb.ts#L77)*
+*Defined in [engines/TransactionDb.ts:77](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/engines/TransactionDb.ts#L77)*
 
 **Returns:** `number`
 
@@ -260,7 +260,7 @@ ___
 
 *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/d0291db/packages/db/src/engines/TransactionDb.ts#L29)*
+*Defined in [engines/TransactionDb.ts:29](https://github.com/polkadot-js/common/blob/02d4155/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 bfd7cb7e8..0d7494555 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/d0291db/packages/db/src/engines/FileTreeDb.ts#L21)*
+*Defined in [engines/FileTreeDb.ts:21](https://github.com/polkadot-js/common/blob/02d4155/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/d0291db/packages/db/src/engines/FileTreeDb.ts#L21)*
+*Defined in [engines/FileTreeDb.ts:21](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/engines/FileTreeDb.ts#L21)*
 
 ___
 
@@ -48,7 +48,7 @@ ___
 
 ▸ **close**(): `void`
 
-*Defined in [engines/FileTreeDb.ts:46](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/engines/FileTreeDb.ts#L46)*
+*Defined in [engines/FileTreeDb.ts:46](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/engines/FileTreeDb.ts#L46)*
 
 **Returns:** `void`
 
@@ -59,7 +59,7 @@ ___
 
 ▸ **del**(key: *`Uint8Array`*): `void`
 
-*Defined in [engines/FileTreeDb.ts:76](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/engines/FileTreeDb.ts#L76)*
+*Defined in [engines/FileTreeDb.ts:76](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/engines/FileTreeDb.ts#L76)*
 
 **Parameters:**
 
@@ -76,7 +76,7 @@ ___
 
 ▸ **drop**(): `void`
 
-*Defined in [engines/FileTreeDb.ts:50](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/engines/FileTreeDb.ts#L50)*
+*Defined in [engines/FileTreeDb.ts:50](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/engines/FileTreeDb.ts#L50)*
 
 **Returns:** `void`
 
@@ -87,7 +87,7 @@ ___
 
 ▸ **empty**(): `void`
 
-*Defined in [engines/FileTreeDb.ts:54](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/engines/FileTreeDb.ts#L54)*
+*Defined in [engines/FileTreeDb.ts:54](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/engines/FileTreeDb.ts#L54)*
 
 **Returns:** `void`
 
@@ -98,7 +98,7 @@ ___
 
 ▸ **get**(key: *`Uint8Array`*):  `Uint8Array` &#124; `null`
 
-*Defined in [engines/FileTreeDb.ts:86](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/engines/FileTreeDb.ts#L86)*
+*Defined in [engines/FileTreeDb.ts:86](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/engines/FileTreeDb.ts#L86)*
 
 **Parameters:**
 
@@ -115,7 +115,7 @@ ___
 
 ▸ **maintain**(fn: *`ProgressCb`*): `void`
 
-*Defined in [engines/FileTreeDb.ts:68](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/engines/FileTreeDb.ts#L68)*
+*Defined in [engines/FileTreeDb.ts:68](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/engines/FileTreeDb.ts#L68)*
 
 **Parameters:**
 
@@ -132,7 +132,7 @@ ___
 
 ▸ **open**(): `void`
 
-*Defined in [engines/FileTreeDb.ts:42](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/engines/FileTreeDb.ts#L42)*
+*Defined in [engines/FileTreeDb.ts:42](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/engines/FileTreeDb.ts#L42)*
 
 **Returns:** `void`
 
@@ -143,7 +143,7 @@ ___
 
 ▸ **put**(key: *`Uint8Array`*, value: *`Uint8Array`*): `void`
 
-*Defined in [engines/FileTreeDb.ts:100](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/engines/FileTreeDb.ts#L100)*
+*Defined in [engines/FileTreeDb.ts:100](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/engines/FileTreeDb.ts#L100)*
 
 **Parameters:**
 
@@ -161,7 +161,7 @@ ___
 
 ▸ **rename**(base: *`string`*, file: *`string`*): `void`
 
-*Defined in [engines/FileTreeDb.ts:58](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/engines/FileTreeDb.ts#L58)*
+*Defined in [engines/FileTreeDb.ts:58](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/engines/FileTreeDb.ts#L58)*
 
 **Parameters:**
 
@@ -179,7 +179,7 @@ ___
 
 ▸ **size**(): `number`
 
-*Defined in [engines/FileTreeDb.ts:62](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/engines/FileTreeDb.ts#L62)*
+*Defined in [engines/FileTreeDb.ts:62](https://github.com/polkadot-js/common/blob/02d4155/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 baa70e2b7..c5d20fb0d 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`*, itemCount?: *`number`*): [LruDb](_engines_lrudb_.lrudb.md)
 
-*Defined in [engines/LruDb.ts:20](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/engines/LruDb.ts#L20)*
+*Defined in [engines/LruDb.ts:20](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/engines/LruDb.ts#L20)*
 
 **Parameters:**
 
@@ -37,7 +37,7 @@ ___
 
 ▸ **_getLru**(key: *`Uint8Array`*):  `CachedValue` &#124; `undefined`
 
-*Defined in [engines/LruDb.ts:87](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/engines/LruDb.ts#L87)*
+*Defined in [engines/LruDb.ts:87](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/engines/LruDb.ts#L87)*
 
 **Parameters:**
 
@@ -54,7 +54,7 @@ ___
 
 ▸ **close**(): `void`
 
-*Defined in [engines/LruDb.ts:27](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/engines/LruDb.ts#L27)*
+*Defined in [engines/LruDb.ts:27](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/engines/LruDb.ts#L27)*
 
 **Returns:** `void`
 
@@ -65,7 +65,7 @@ ___
 
 ▸ **del**(key: *`Uint8Array`*): `void`
 
-*Defined in [engines/LruDb.ts:64](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/engines/LruDb.ts#L64)*
+*Defined in [engines/LruDb.ts:64](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/engines/LruDb.ts#L64)*
 
 **Parameters:**
 
@@ -82,7 +82,7 @@ ___
 
 ▸ **drop**(): `void`
 
-*Defined in [engines/LruDb.ts:41](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/engines/LruDb.ts#L41)*
+*Defined in [engines/LruDb.ts:41](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/engines/LruDb.ts#L41)*
 
 **Returns:** `void`
 
@@ -93,7 +93,7 @@ ___
 
 ▸ **empty**(): `void`
 
-*Defined in [engines/LruDb.ts:45](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/engines/LruDb.ts#L45)*
+*Defined in [engines/LruDb.ts:45](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/engines/LruDb.ts#L45)*
 
 **Returns:** `void`
 
@@ -104,7 +104,7 @@ ___
 
 ▸ **get**(key: *`Uint8Array`*):  `Uint8Array` &#124; `null`
 
-*Defined in [engines/LruDb.ts:71](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/engines/LruDb.ts#L71)*
+*Defined in [engines/LruDb.ts:71](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/engines/LruDb.ts#L71)*
 
 **Parameters:**
 
@@ -121,7 +121,7 @@ ___
 
 ▸ **maintain**(fn: *`ProgressCb`*): `void`
 
-*Defined in [engines/LruDb.ts:56](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/engines/LruDb.ts#L56)*
+*Defined in [engines/LruDb.ts:56](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/engines/LruDb.ts#L56)*
 
 **Parameters:**
 
@@ -138,7 +138,7 @@ ___
 
 ▸ **open**(): `void`
 
-*Defined in [engines/LruDb.ts:34](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/engines/LruDb.ts#L34)*
+*Defined in [engines/LruDb.ts:34](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/engines/LruDb.ts#L34)*
 
 **Returns:** `void`
 
@@ -149,7 +149,7 @@ ___
 
 ▸ **put**(key: *`Uint8Array`*, value: *`Uint8Array`*): `void`
 
-*Defined in [engines/LruDb.ts:91](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/engines/LruDb.ts#L91)*
+*Defined in [engines/LruDb.ts:91](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/engines/LruDb.ts#L91)*
 
 **Parameters:**
 
@@ -167,7 +167,7 @@ ___
 
 ▸ **rename**(base: *`string`*, file: *`string`*): `void`
 
-*Defined in [engines/LruDb.ts:52](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/engines/LruDb.ts#L52)*
+*Defined in [engines/LruDb.ts:52](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/engines/LruDb.ts#L52)*
 
 **Parameters:**
 
@@ -185,7 +185,7 @@ ___
 
 ▸ **size**(): `number`
 
-*Defined in [engines/LruDb.ts:60](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/engines/LruDb.ts#L60)*
+*Defined in [engines/LruDb.ts:60](https://github.com/polkadot-js/common/blob/02d4155/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 0760422f2..e63c223eb 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`*): [MemoryDb](_engines_memorydb_.memorydb.md)
 
-*Defined in [engines/MemoryDb.ts:16](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/engines/MemoryDb.ts#L16)*
+*Defined in [engines/MemoryDb.ts:16](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/engines/MemoryDb.ts#L16)*
 
 **Parameters:**
 
@@ -36,7 +36,7 @@ ___
 
 ▸ **close**(): `void`
 
-*Defined in [engines/MemoryDb.ts:22](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/engines/MemoryDb.ts#L22)*
+*Defined in [engines/MemoryDb.ts:22](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/engines/MemoryDb.ts#L22)*
 
 **Returns:** `void`
 
@@ -47,7 +47,7 @@ ___
 
 ▸ **del**(key: *`Uint8Array`*): `void`
 
-*Defined in [engines/MemoryDb.ts:56](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/engines/MemoryDb.ts#L56)*
+*Defined in [engines/MemoryDb.ts:56](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/engines/MemoryDb.ts#L56)*
 
 **Parameters:**
 
@@ -64,7 +64,7 @@ ___
 
 ▸ **drop**(): `void`
 
-*Defined in [engines/MemoryDb.ts:30](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/engines/MemoryDb.ts#L30)*
+*Defined in [engines/MemoryDb.ts:30](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/engines/MemoryDb.ts#L30)*
 
 **Returns:** `void`
 
@@ -75,7 +75,7 @@ ___
 
 ▸ **empty**(): `void`
 
-*Defined in [engines/MemoryDb.ts:34](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/engines/MemoryDb.ts#L34)*
+*Defined in [engines/MemoryDb.ts:34](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/engines/MemoryDb.ts#L34)*
 
 **Returns:** `void`
 
@@ -86,7 +86,7 @@ ___
 
 ▸ **get**(key: *`Uint8Array`*):  `Uint8Array` &#124; `null`
 
-*Defined in [engines/MemoryDb.ts:62](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/engines/MemoryDb.ts#L62)*
+*Defined in [engines/MemoryDb.ts:62](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/engines/MemoryDb.ts#L62)*
 
 **Parameters:**
 
@@ -103,7 +103,7 @@ ___
 
 ▸ **maintain**(fn: *`ProgressCb`*): `void`
 
-*Defined in [engines/MemoryDb.ts:42](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/engines/MemoryDb.ts#L42)*
+*Defined in [engines/MemoryDb.ts:42](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/engines/MemoryDb.ts#L42)*
 
 **Parameters:**
 
@@ -120,7 +120,7 @@ ___
 
 ▸ **open**(): `void`
 
-*Defined in [engines/MemoryDb.ts:26](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/engines/MemoryDb.ts#L26)*
+*Defined in [engines/MemoryDb.ts:26](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/engines/MemoryDb.ts#L26)*
 
 **Returns:** `void`
 
@@ -131,7 +131,7 @@ ___
 
 ▸ **put**(key: *`Uint8Array`*, value: *`Uint8Array`*): `void`
 
-*Defined in [engines/MemoryDb.ts:68](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/engines/MemoryDb.ts#L68)*
+*Defined in [engines/MemoryDb.ts:68](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/engines/MemoryDb.ts#L68)*
 
 **Parameters:**
 
@@ -149,7 +149,7 @@ ___
 
 ▸ **rename**(base: *`string`*, file: *`string`*): `void`
 
-*Defined in [engines/MemoryDb.ts:38](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/engines/MemoryDb.ts#L38)*
+*Defined in [engines/MemoryDb.ts:38](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/engines/MemoryDb.ts#L38)*
 
 **Parameters:**
 
@@ -167,7 +167,7 @@ ___
 
 ▸ **size**(): `number`
 
-*Defined in [engines/MemoryDb.ts:50](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/engines/MemoryDb.ts#L50)*
+*Defined in [engines/MemoryDb.ts:50](https://github.com/polkadot-js/common/blob/02d4155/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 a2e865510..1cf4719ea 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`*): [TransactionDb](_engines_transactiondb_.transactiondb.md)
 
-*Defined in [engines/TransactionDb.ts:21](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/engines/TransactionDb.ts#L21)*
+*Defined in [engines/TransactionDb.ts:21](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/engines/TransactionDb.ts#L21)*
 
 **Parameters:**
 
@@ -40,7 +40,7 @@ ___
 
 ▸ **close**(): `void`
 
-*Defined in [engines/TransactionDb.ts:51](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/engines/TransactionDb.ts#L51)*
+*Defined in [engines/TransactionDb.ts:51](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/engines/TransactionDb.ts#L51)*
 
 **Returns:** `void`
 
@@ -51,7 +51,7 @@ ___
 
 ▸ **del**(key: *`Uint8Array`*): `void`
 
-*Defined in [engines/TransactionDb.ts:81](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/engines/TransactionDb.ts#L81)*
+*Defined in [engines/TransactionDb.ts:81](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/engines/TransactionDb.ts#L81)*
 
 **Parameters:**
 
@@ -68,7 +68,7 @@ ___
 
 ▸ **drop**(): `void`
 
-*Defined in [engines/TransactionDb.ts:59](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/engines/TransactionDb.ts#L59)*
+*Defined in [engines/TransactionDb.ts:59](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/engines/TransactionDb.ts#L59)*
 
 **Returns:** `void`
 
@@ -79,7 +79,7 @@ ___
 
 ▸ **empty**(): `void`
 
-*Defined in [engines/TransactionDb.ts:63](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/engines/TransactionDb.ts#L63)*
+*Defined in [engines/TransactionDb.ts:63](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/engines/TransactionDb.ts#L63)*
 
 **Returns:** `void`
 
@@ -90,7 +90,7 @@ ___
 
 ▸ **get**(key: *`Uint8Array`*):  `Uint8Array` &#124; `null`
 
-*Defined in [engines/TransactionDb.ts:93](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/engines/TransactionDb.ts#L93)*
+*Defined in [engines/TransactionDb.ts:93](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/engines/TransactionDb.ts#L93)*
 
 **Parameters:**
 
@@ -107,7 +107,7 @@ ___
 
 ▸ **maintain**(fn: *`ProgressCb`*): `void`
 
-*Defined in [engines/TransactionDb.ts:71](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/engines/TransactionDb.ts#L71)*
+*Defined in [engines/TransactionDb.ts:71](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/engines/TransactionDb.ts#L71)*
 
 **Parameters:**
 
@@ -124,7 +124,7 @@ ___
 
 ▸ **open**(): `void`
 
-*Defined in [engines/TransactionDb.ts:55](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/engines/TransactionDb.ts#L55)*
+*Defined in [engines/TransactionDb.ts:55](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/engines/TransactionDb.ts#L55)*
 
 **Returns:** `void`
 
@@ -135,7 +135,7 @@ ___
 
 ▸ **put**(key: *`Uint8Array`*, value: *`Uint8Array`*): `void`
 
-*Defined in [engines/TransactionDb.ts:107](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/engines/TransactionDb.ts#L107)*
+*Defined in [engines/TransactionDb.ts:107](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/engines/TransactionDb.ts#L107)*
 
 **Parameters:**
 
@@ -153,7 +153,7 @@ ___
 
 ▸ **rename**(base: *`string`*, file: *`string`*): `void`
 
-*Defined in [engines/TransactionDb.ts:67](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/engines/TransactionDb.ts#L67)*
+*Defined in [engines/TransactionDb.ts:67](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/engines/TransactionDb.ts#L67)*
 
 **Parameters:**
 
@@ -171,7 +171,7 @@ ___
 
 ▸ **size**(): `number`
 
-*Defined in [engines/TransactionDb.ts:77](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/engines/TransactionDb.ts#L77)*
+*Defined in [engines/TransactionDb.ts:77](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/engines/TransactionDb.ts#L77)*
 
 **Returns:** `number`
 
@@ -182,7 +182,7 @@ ___
 
 ▸ **transaction**(fn: *`function`*): `boolean`
 
-*Defined in [engines/TransactionDb.ts:29](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/engines/TransactionDb.ts#L29)*
+*Defined in [engines/TransactionDb.ts:29](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/engines/TransactionDb.ts#L29)*
 
 **Parameters:**
 
diff --git a/docs/db/classes/_fileflatdb_compact_.compact.md b/docs/db/classes/_fileflatdb_compact_.compact.md
index 0977ab3dd..f6d96d2d4 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/d0291db/packages/db/src/FileFlatDb/Compact.ts#L17)*
+*Defined in [FileFlatDb/Compact.ts:17](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/FileFlatDb/Compact.ts#L17)*
 
 **Parameters:**
 
@@ -32,7 +32,7 @@ ___
 
 ▸ **maintain**(fn: *`ProgressCb`*): `void`
 
-*Defined in [FileFlatDb/Compact.ts:24](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/FileFlatDb/Compact.ts#L24)*
+*Defined in [FileFlatDb/Compact.ts:24](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/FileFlatDb/Compact.ts#L24)*
 
 **Parameters:**
 
diff --git a/docs/db/classes/_fileflatdb_index_.fileflatdb.md b/docs/db/classes/_fileflatdb_index_.fileflatdb.md
index 9f1c4ffae..a551cfcd5 100644
--- a/docs/db/classes/_fileflatdb_index_.fileflatdb.md
+++ b/docs/db/classes/_fileflatdb_index_.fileflatdb.md
@@ -16,7 +16,7 @@
 
 ⊕ **new FileFlatDb**(base: *`string`*, file?: *`string`*, options?: *`BaseDbOptions`*): [FileFlatDb](_fileflatdb_index_.fileflatdb.md)
 
-*Defined in [FileFlatDb/index.ts:32](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/FileFlatDb/index.ts#L32)*
+*Defined in [FileFlatDb/index.ts:32](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/FileFlatDb/index.ts#L32)*
 
 **Parameters:**
 
@@ -38,7 +38,7 @@ ___
 
 ▸ **close**(): `void`
 
-*Defined in [FileFlatDb/index.ts:58](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/FileFlatDb/index.ts#L58)*
+*Defined in [FileFlatDb/index.ts:58](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/FileFlatDb/index.ts#L58)*
 
 **Returns:** `void`
 
@@ -49,7 +49,7 @@ ___
 
 ▸ **del**(key: *`Uint8Array`*): `void`
 
-*Defined in [FileFlatDb/index.ts:105](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/FileFlatDb/index.ts#L105)*
+*Defined in [FileFlatDb/index.ts:105](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/FileFlatDb/index.ts#L105)*
 
 **Parameters:**
 
@@ -66,7 +66,7 @@ ___
 
 ▸ **drop**(): `void`
 
-*Defined in [FileFlatDb/index.ts:68](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/FileFlatDb/index.ts#L68)*
+*Defined in [FileFlatDb/index.ts:68](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/FileFlatDb/index.ts#L68)*
 
 **Returns:** `void`
 
@@ -77,7 +77,7 @@ ___
 
 ▸ **empty**(): `void`
 
-*Defined in [FileFlatDb/index.ts:74](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/FileFlatDb/index.ts#L74)*
+*Defined in [FileFlatDb/index.ts:74](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/FileFlatDb/index.ts#L74)*
 
 **Returns:** `void`
 
@@ -88,7 +88,7 @@ ___
 
 ▸ **get**(key: *`Uint8Array`*):  `Uint8Array` &#124; `null`
 
-*Defined in [FileFlatDb/index.ts:109](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/FileFlatDb/index.ts#L109)*
+*Defined in [FileFlatDb/index.ts:109](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/FileFlatDb/index.ts#L109)*
 
 **Parameters:**
 
@@ -105,7 +105,7 @@ ___
 
 ▸ **maintain**(fn: *`ProgressCb`*): `void`
 
-*Defined in [FileFlatDb/index.ts:97](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/FileFlatDb/index.ts#L97)*
+*Defined in [FileFlatDb/index.ts:97](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/FileFlatDb/index.ts#L97)*
 
 **Parameters:**
 
@@ -122,7 +122,7 @@ ___
 
 ▸ **open**(): `void`
 
-*Defined in [FileFlatDb/index.ts:48](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/FileFlatDb/index.ts#L48)*
+*Defined in [FileFlatDb/index.ts:48](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/FileFlatDb/index.ts#L48)*
 
 **Returns:** `void`
 
@@ -133,7 +133,7 @@ ___
 
 ▸ **put**(key: *`Uint8Array`*, value: *`Uint8Array`*): `void`
 
-*Defined in [FileFlatDb/index.ts:127](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/FileFlatDb/index.ts#L127)*
+*Defined in [FileFlatDb/index.ts:127](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/FileFlatDb/index.ts#L127)*
 
 **Parameters:**
 
@@ -151,7 +151,7 @@ ___
 
 ▸ **rename**(base: *`string`*, file: *`string`*): `void`
 
-*Defined in [FileFlatDb/index.ts:85](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/FileFlatDb/index.ts#L85)*
+*Defined in [FileFlatDb/index.ts:85](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/FileFlatDb/index.ts#L85)*
 
 **Parameters:**
 
@@ -169,7 +169,7 @@ ___
 
 ▸ **size**(): `number`
 
-*Defined in [FileFlatDb/index.ts:81](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/FileFlatDb/index.ts#L81)*
+*Defined in [FileFlatDb/index.ts:81](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/FileFlatDb/index.ts#L81)*
 
 **Returns:** `number`
 
diff --git a/docs/db/classes/_memory_.memory.md b/docs/db/classes/_memory_.memory.md
index 786da815a..ce6bb329c 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/d0291db/packages/db/src/Memory.ts#L66)*
+*Defined in [Memory.ts:66](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/Memory.ts#L66)*
 
 **Parameters:**
 
@@ -94,7 +94,7 @@ ___
 
 *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/d0291db/packages/db/src/engines/TransactionDb.ts#L51)*
+*Defined in [engines/TransactionDb.ts:51](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/engines/TransactionDb.ts#L51)*
 
 **Returns:** `void`
 
@@ -107,7 +107,7 @@ ___
 
 *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/d0291db/packages/db/src/engines/TransactionDb.ts#L81)*
+*Defined in [engines/TransactionDb.ts:81](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/engines/TransactionDb.ts#L81)*
 
 **Parameters:**
 
@@ -126,7 +126,7 @@ ___
 
 *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/d0291db/packages/db/src/engines/TransactionDb.ts#L59)*
+*Defined in [engines/TransactionDb.ts:59](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/engines/TransactionDb.ts#L59)*
 
 **Returns:** `void`
 
@@ -139,7 +139,7 @@ ___
 
 *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/d0291db/packages/db/src/engines/TransactionDb.ts#L63)*
+*Defined in [engines/TransactionDb.ts:63](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/engines/TransactionDb.ts#L63)*
 
 **Returns:** `void`
 
@@ -152,7 +152,7 @@ ___
 
 *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/d0291db/packages/db/src/engines/TransactionDb.ts#L93)*
+*Defined in [engines/TransactionDb.ts:93](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/engines/TransactionDb.ts#L93)*
 
 **Parameters:**
 
@@ -171,7 +171,7 @@ ___
 
 *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/d0291db/packages/db/src/engines/TransactionDb.ts#L71)*
+*Defined in [engines/TransactionDb.ts:71](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/engines/TransactionDb.ts#L71)*
 
 **Parameters:**
 
@@ -190,7 +190,7 @@ ___
 
 *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/d0291db/packages/db/src/engines/TransactionDb.ts#L55)*
+*Defined in [engines/TransactionDb.ts:55](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/engines/TransactionDb.ts#L55)*
 
 **Returns:** `void`
 
@@ -203,7 +203,7 @@ ___
 
 *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/d0291db/packages/db/src/engines/TransactionDb.ts#L107)*
+*Defined in [engines/TransactionDb.ts:107](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/engines/TransactionDb.ts#L107)*
 
 **Parameters:**
 
@@ -223,7 +223,7 @@ ___
 
 *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/d0291db/packages/db/src/engines/TransactionDb.ts#L67)*
+*Defined in [engines/TransactionDb.ts:67](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/engines/TransactionDb.ts#L67)*
 
 **Parameters:**
 
@@ -243,7 +243,7 @@ ___
 
 *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/d0291db/packages/db/src/engines/TransactionDb.ts#L77)*
+*Defined in [engines/TransactionDb.ts:77](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/engines/TransactionDb.ts#L77)*
 
 **Returns:** `number`
 
@@ -256,7 +256,7 @@ ___
 
 *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/d0291db/packages/db/src/engines/TransactionDb.ts#L29)*
+*Defined in [engines/TransactionDb.ts:29](https://github.com/polkadot-js/common/blob/02d4155/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 83759d28e..568a832d4 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/d0291db/packages/db/src/FileFlatDb/types.ts#L7)*
+*Defined in [FileFlatDb/types.ts:7](https://github.com/polkadot-js/common/blob/02d4155/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/d0291db/packages/db/src/FileFlatDb/types.ts#L6)*
+*Defined in [FileFlatDb/types.ts:6](https://github.com/polkadot-js/common/blob/02d4155/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/d0291db/packages/db/src/FileFlatDb/types.ts#L8)*
+*Defined in [FileFlatDb/types.ts:8](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/FileFlatDb/types.ts#L8)*
 
 ___
 
diff --git a/docs/db/modules/_fileflatdb_types_.md b/docs/db/modules/_fileflatdb_types_.md
index dd685f3ac..d33cacd11 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/d0291db/packages/db/src/FileFlatDb/types.ts#L16)*
+*Defined in [FileFlatDb/types.ts:16](https://github.com/polkadot-js/common/blob/02d4155/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/d0291db/packages/db/src/FileFlatDb/types.ts#L11)*
+*Defined in [FileFlatDb/types.ts:11](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/FileFlatDb/types.ts#L11)*
 
 #### Type declaration
 
@@ -44,7 +44,7 @@ ___
 
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index 5b387a1d7..2b5b916ac 100644
--- a/docs/examples/util-crypto/03_mnemonic_generate_validate_bip39/index.html
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diff --git a/docs/examples/util-crypto/index.html b/docs/examples/util-crypto/index.html
index 95abe5699..04f0f7b68 100644
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diff --git a/docs/index.html b/docs/index.html
index d0aaf187f..5fac86dea 100644
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diff --git a/docs/keyring/classes/_index_.keyring.md b/docs/keyring/classes/_index_.keyring.md
index d70f168f9..b9001ae6c 100644
--- a/docs/keyring/classes/_index_.keyring.md
+++ b/docs/keyring/classes/_index_.keyring.md
@@ -29,7 +29,7 @@ Overview
 
 ⊕ **new Keyring**(): [Keyring](_index_.keyring.md)
 
-*Defined in [index.ts:33](https://github.com/polkadot-js/common/blob/d0291db/packages/keyring/src/index.ts#L33)*
+*Defined in [index.ts:33](https://github.com/polkadot-js/common/blob/02d4155/packages/keyring/src/index.ts#L33)*
 
 **Returns:** [Keyring](_index_.keyring.md)
 
@@ -43,7 +43,7 @@ ___
 
 ▸ **addFromAddress**(address: * `string` &#124; `Uint8Array`*, meta?: *`KeyringPair$Meta`*, defaultEncoded?: *`Uint8Array`*): `KeyringPair`
 
-*Defined in [index.ts:57](https://github.com/polkadot-js/common/blob/d0291db/packages/keyring/src/index.ts#L57)*
+*Defined in [index.ts:57](https://github.com/polkadot-js/common/blob/02d4155/packages/keyring/src/index.ts#L57)*
 
 *__name__*: addFromAddress
 
@@ -70,7 +70,7 @@ ___
 
 ▸ **addFromJson**(__namedParameters: *`object`*): `KeyringPair`
 
-*Defined in [index.ts:72](https://github.com/polkadot-js/common/blob/d0291db/packages/keyring/src/index.ts#L72)*
+*Defined in [index.ts:72](https://github.com/polkadot-js/common/blob/02d4155/packages/keyring/src/index.ts#L72)*
 
 *__name__*: addFromJson
 
@@ -97,7 +97,7 @@ ___
 
 ▸ **addFromMnemonic**(mnemonic: *`string`*, meta?: *`KeyringPair$Meta`*): `KeyringPair`
 
-*Defined in [index.ts:85](https://github.com/polkadot-js/common/blob/d0291db/packages/keyring/src/index.ts#L85)*
+*Defined in [index.ts:85](https://github.com/polkadot-js/common/blob/02d4155/packages/keyring/src/index.ts#L85)*
 
 *__name__*: addFromMnemonic
 
@@ -123,7 +123,7 @@ ___
 
 ▸ **addFromSeed**(seed: *`Uint8Array`*, meta?: *`KeyringPair$Meta`*): `KeyringPair`
 
-*Defined in [index.ts:114](https://github.com/polkadot-js/common/blob/d0291db/packages/keyring/src/index.ts#L114)*
+*Defined in [index.ts:114](https://github.com/polkadot-js/common/blob/02d4155/packages/keyring/src/index.ts#L114)*
 
 *__name__*: addFromSeed
 
@@ -166,7 +166,7 @@ ___
 
 ▸ **addPair**(pair: *`KeyringPair`*): `KeyringPair`
 
-*Defined in [index.ts:44](https://github.com/polkadot-js/common/blob/d0291db/packages/keyring/src/index.ts#L44)*
+*Defined in [index.ts:44](https://github.com/polkadot-js/common/blob/02d4155/packages/keyring/src/index.ts#L44)*
 
 *__name__*: addPair
 
@@ -189,7 +189,7 @@ ___
 
 ▸ **getPair**(address: * `string` &#124; `Uint8Array`*): `KeyringPair`
 
-*Defined in [index.ts:150](https://github.com/polkadot-js/common/blob/d0291db/packages/keyring/src/index.ts#L150)*
+*Defined in [index.ts:150](https://github.com/polkadot-js/common/blob/02d4155/packages/keyring/src/index.ts#L150)*
 
 *__name__*: getPair
 
@@ -239,7 +239,7 @@ ___
 
 ▸ **getPairs**(): `Array`<`KeyringPair`>
 
-*Defined in [index.ts:182](https://github.com/polkadot-js/common/blob/d0291db/packages/keyring/src/index.ts#L182)*
+*Defined in [index.ts:182](https://github.com/polkadot-js/common/blob/02d4155/packages/keyring/src/index.ts#L182)*
 
 *__name__*: getPairs
 
@@ -280,7 +280,7 @@ ___
 
 ▸ **getPublicKeys**(): `Array`<`Uint8Array`>
 
-*Defined in [index.ts:192](https://github.com/polkadot-js/common/blob/d0291db/packages/keyring/src/index.ts#L192)*
+*Defined in [index.ts:192](https://github.com/polkadot-js/common/blob/02d4155/packages/keyring/src/index.ts#L192)*
 
 *__name__*: getPublicKeys
 
@@ -299,7 +299,7 @@ ___
 
 ▸ **removePair**(address: * `string` &#124; `Uint8Array`*): `void`
 
-*Defined in [index.ts:207](https://github.com/polkadot-js/common/blob/d0291db/packages/keyring/src/index.ts#L207)*
+*Defined in [index.ts:207](https://github.com/polkadot-js/common/blob/02d4155/packages/keyring/src/index.ts#L207)*
 
 *__name__*: removePair
 
@@ -324,7 +324,7 @@ ___
 
 ▸ **toJson**(address: * `string` &#124; `Uint8Array`*, passphrase?: * `undefined` &#124; `string`*): `KeyringPair$Json`
 
-*Defined in [index.ts:222](https://github.com/polkadot-js/common/blob/d0291db/packages/keyring/src/index.ts#L222)*
+*Defined in [index.ts:222](https://github.com/polkadot-js/common/blob/02d4155/packages/keyring/src/index.ts#L222)*
 
 *__name__*: toJson
 
diff --git a/docs/keyring/classes/_pairs_.pairs.md b/docs/keyring/classes/_pairs_.pairs.md
index 6562cd5e8..2e5af9f26 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/d0291db/packages/keyring/src/pairs.ts#L17)*
+*Defined in [pairs.ts:17](https://github.com/polkadot-js/common/blob/02d4155/packages/keyring/src/pairs.ts#L17)*
 
 **Returns:** [Pairs](_pairs_.pairs.md)
 
@@ -30,7 +30,7 @@ ___
 
 ▸ **add**(pair: *`KeyringPair`*): `KeyringPair`
 
-*Defined in [pairs.ts:23](https://github.com/polkadot-js/common/blob/d0291db/packages/keyring/src/pairs.ts#L23)*
+*Defined in [pairs.ts:23](https://github.com/polkadot-js/common/blob/02d4155/packages/keyring/src/pairs.ts#L23)*
 
 **Parameters:**
 
@@ -47,7 +47,7 @@ ___
 
 ▸ **all**(): `Array`<`KeyringPair`>
 
-*Defined in [pairs.ts:30](https://github.com/polkadot-js/common/blob/d0291db/packages/keyring/src/pairs.ts#L30)*
+*Defined in [pairs.ts:30](https://github.com/polkadot-js/common/blob/02d4155/packages/keyring/src/pairs.ts#L30)*
 
 **Returns:** `Array`<`KeyringPair`>
 
@@ -58,7 +58,7 @@ ___
 
 ▸ **get**(address: * `string` &#124; `Uint8Array`*): `KeyringPair`
 
-*Defined in [pairs.ts:34](https://github.com/polkadot-js/common/blob/d0291db/packages/keyring/src/pairs.ts#L34)*
+*Defined in [pairs.ts:34](https://github.com/polkadot-js/common/blob/02d4155/packages/keyring/src/pairs.ts#L34)*
 
 **Parameters:**
 
@@ -75,7 +75,7 @@ ___
 
 ▸ **remove**(address: * `string` &#124; `Uint8Array`*): `void`
 
-*Defined in [pairs.ts:49](https://github.com/polkadot-js/common/blob/d0291db/packages/keyring/src/pairs.ts#L49)*
+*Defined in [pairs.ts:49](https://github.com/polkadot-js/common/blob/02d4155/packages/keyring/src/pairs.ts#L49)*
 
 **Parameters:**
 
diff --git a/docs/keyring/index.html b/docs/keyring/index.html
index 821ab0954..d7d019da0 100644
--- a/docs/keyring/index.html
+++ b/docs/keyring/index.html
@@ -397,7 +397,7 @@
     <script>
         var gitbook = gitbook || [];
         gitbook.push(function() {
-            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":"2018-10-25T12:11:22.095Z","type":"markdown"},"gitbook":{"version":"3.2.3","time":"2018-10-25T12:12:29.724Z"},"basePath":"..","book":{"language":""}});
+            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":"2018-11-01T13:32:33.132Z","type":"markdown"},"gitbook":{"version":"3.2.3","time":"2018-11-01T13:33:38.810Z"},"basePath":"..","book":{"language":""}});
         });
     </script>
 </div>
diff --git a/docs/keyring/modules/_address_decode_.md b/docs/keyring/modules/_address_decode_.md
index 32fcc46b8..1b2e0fef6 100644
--- a/docs/keyring/modules/_address_decode_.md
+++ b/docs/keyring/modules/_address_decode_.md
@@ -8,7 +8,7 @@
 
 ▸ **decode**(encoded: * `string` &#124; `Uint8Array`*, prefix?: *`Prefix`*): `Uint8Array`
 
-*Defined in [address/decode.ts:15](https://github.com/polkadot-js/common/blob/d0291db/packages/keyring/src/address/decode.ts#L15)*
+*Defined in [address/decode.ts:15](https://github.com/polkadot-js/common/blob/02d4155/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 cd0028231..02a914c8c 100644
--- a/docs/keyring/modules/_address_encode_.md
+++ b/docs/keyring/modules/_address_encode_.md
@@ -8,7 +8,7 @@
 
 ▸ **encode**(_key: * `Uint8Array` &#124; `string`*, prefix?: *`Prefix`*): `string`
 
-*Defined in [address/encode.ts:15](https://github.com/polkadot-js/common/blob/d0291db/packages/keyring/src/address/encode.ts#L15)*
+*Defined in [address/encode.ts:15](https://github.com/polkadot-js/common/blob/02d4155/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 b950da54a..4a4f6c5fa 100644
--- a/docs/keyring/modules/_address_setprefix_.md
+++ b/docs/keyring/modules/_address_setprefix_.md
@@ -8,7 +8,7 @@
 
 ▸ **setPrefix**(prefix: *`Prefix`*): `void`
 
-*Defined in [address/setPrefix.ts:9](https://github.com/polkadot-js/common/blob/d0291db/packages/keyring/src/address/setPrefix.ts#L9)*
+*Defined in [address/setPrefix.ts:9](https://github.com/polkadot-js/common/blob/02d4155/packages/keyring/src/address/setPrefix.ts#L9)*
 
 **Parameters:**
 
diff --git a/docs/keyring/modules/_pair_decode_.md b/docs/keyring/modules/_pair_decode_.md
index 124dd98ea..8f60f2587 100644
--- a/docs/keyring/modules/_pair_decode_.md
+++ b/docs/keyring/modules/_pair_decode_.md
@@ -8,7 +8,7 @@
 
 ▸ **decode**(passphrase?: * `undefined` &#124; `string`*, _encrypted?: *`Uint8Array`*): `object`
 
-*Defined in [pair/decode.ts:15](https://github.com/polkadot-js/common/blob/d0291db/packages/keyring/src/pair/decode.ts#L15)*
+*Defined in [pair/decode.ts:15](https://github.com/polkadot-js/common/blob/02d4155/packages/keyring/src/pair/decode.ts#L15)*
 
 **Parameters:**
 
diff --git a/docs/keyring/modules/_pair_encode_.md b/docs/keyring/modules/_pair_encode_.md
index 98eb9c203..6f463521f 100644
--- a/docs/keyring/modules/_pair_encode_.md
+++ b/docs/keyring/modules/_pair_encode_.md
@@ -8,7 +8,7 @@
 
 ▸ **encode**(secretKey: *`Uint8Array`*, passphrase?: * `undefined` &#124; `string`*): `Uint8Array`
 
-*Defined in [pair/encode.ts:10](https://github.com/polkadot-js/common/blob/d0291db/packages/keyring/src/pair/encode.ts#L10)*
+*Defined in [pair/encode.ts:10](https://github.com/polkadot-js/common/blob/02d4155/packages/keyring/src/pair/encode.ts#L10)*
 
 **Parameters:**
 
diff --git a/docs/keyring/modules/_pair_getmeta_.md b/docs/keyring/modules/_pair_getmeta_.md
index d9baa57b8..13a2a9c05 100644
--- a/docs/keyring/modules/_pair_getmeta_.md
+++ b/docs/keyring/modules/_pair_getmeta_.md
@@ -8,7 +8,7 @@
 
 ▸ **getMeta**(state: *`PairState`*): `KeyringPair$Meta`
 
-*Defined in [pair/getMeta.ts:8](https://github.com/polkadot-js/common/blob/d0291db/packages/keyring/src/pair/getMeta.ts#L8)*
+*Defined in [pair/getMeta.ts:8](https://github.com/polkadot-js/common/blob/02d4155/packages/keyring/src/pair/getMeta.ts#L8)*
 
 **Parameters:**
 
diff --git a/docs/keyring/modules/_pair_index_.md b/docs/keyring/modules/_pair_index_.md
index d11c5d22f..d9d636f6d 100644
--- a/docs/keyring/modules/_pair_index_.md
+++ b/docs/keyring/modules/_pair_index_.md
@@ -8,7 +8,7 @@
 
 ▸ **pair**(__namedParameters: *`object`*, meta?: *`KeyringPair$Meta`*, defaultEncoded?: *`Uint8Array`*): `KeyringPair`
 
-*Defined in [pair/index.ts:50](https://github.com/polkadot-js/common/blob/d0291db/packages/keyring/src/pair/index.ts#L50)*
+*Defined in [pair/index.ts:50](https://github.com/polkadot-js/common/blob/02d4155/packages/keyring/src/pair/index.ts#L50)*
 
 *__name__*: pair
 
diff --git a/docs/keyring/modules/_pair_nobody_.md b/docs/keyring/modules/_pair_nobody_.md
index 1f5011586..5b91aed88 100644
--- a/docs/keyring/modules/_pair_nobody_.md
+++ b/docs/keyring/modules/_pair_nobody_.md
@@ -8,7 +8,7 @@
 
 ▸ **everybody**(): `KeyringPair`
 
-*Defined in [pair/nobody.ts:25](https://github.com/polkadot-js/common/blob/d0291db/packages/keyring/src/pair/nobody.ts#L25)*
+*Defined in [pair/nobody.ts:25](https://github.com/polkadot-js/common/blob/02d4155/packages/keyring/src/pair/nobody.ts#L25)*
 
 **Returns:** `KeyringPair`
 
diff --git a/docs/keyring/modules/_pair_setmeta_.md b/docs/keyring/modules/_pair_setmeta_.md
index 52fac9889..35ef08ed6 100644
--- a/docs/keyring/modules/_pair_setmeta_.md
+++ b/docs/keyring/modules/_pair_setmeta_.md
@@ -8,7 +8,7 @@
 
 ▸ **setMeta**(state: *`PairState`*, meta: *`KeyringPair$Meta`*): `void`
 
-*Defined in [pair/setMeta.ts:8](https://github.com/polkadot-js/common/blob/d0291db/packages/keyring/src/pair/setMeta.ts#L8)*
+*Defined in [pair/setMeta.ts:8](https://github.com/polkadot-js/common/blob/02d4155/packages/keyring/src/pair/setMeta.ts#L8)*
 
 **Parameters:**
 
diff --git a/docs/keyring/modules/_pair_tojson_.md b/docs/keyring/modules/_pair_tojson_.md
index f17da5e3f..14c7a224c 100644
--- a/docs/keyring/modules/_pair_tojson_.md
+++ b/docs/keyring/modules/_pair_tojson_.md
@@ -8,7 +8,7 @@
 
 ▸ **toJson**(__namedParameters: *`object`*, encoded: *`Uint8Array`*, isEncrypted: *`boolean`*): `KeyringPair$Json`
 
-*Defined in [pair/toJson.ts:10](https://github.com/polkadot-js/common/blob/d0291db/packages/keyring/src/pair/toJson.ts#L10)*
+*Defined in [pair/toJson.ts:10](https://github.com/polkadot-js/common/blob/02d4155/packages/keyring/src/pair/toJson.ts#L10)*
 
 **Parameters:**
 
diff --git a/docs/keyring/modules/_testing_.md b/docs/keyring/modules/_testing_.md
index 2ac4dea2c..6da7566fa 100644
--- a/docs/keyring/modules/_testing_.md
+++ b/docs/keyring/modules/_testing_.md
@@ -8,7 +8,7 @@
 
 ▸ **testKeyring**(): `KeyringInstance`
 
-*Defined in [testing.ts:57](https://github.com/polkadot-js/common/blob/d0291db/packages/keyring/src/testing.ts#L57)*
+*Defined in [testing.ts:57](https://github.com/polkadot-js/common/blob/02d4155/packages/keyring/src/testing.ts#L57)*
 
 *__name__*: testKeyring
 
diff --git a/docs/keyring/modules/_testingpairs_.md b/docs/keyring/modules/_testingpairs_.md
index 2a6470103..494b5a7b2 100644
--- a/docs/keyring/modules/_testingpairs_.md
+++ b/docs/keyring/modules/_testingpairs_.md
@@ -8,7 +8,7 @@
 
 ▸ **testKeyringPairs**(): `TestKeyringMap`
 
-*Defined in [testingPairs.ts:14](https://github.com/polkadot-js/common/blob/d0291db/packages/keyring/src/testingPairs.ts#L14)*
+*Defined in [testingPairs.ts:14](https://github.com/polkadot-js/common/blob/02d4155/packages/keyring/src/testingPairs.ts#L14)*
 
 **Returns:** `TestKeyringMap`
 
diff --git a/docs/trie-db/classes/_index_.trie.md b/docs/trie-db/classes/_index_.trie.md
index 5de4ebcc1..e7a6c966a 100644
--- a/docs/trie-db/classes/_index_.trie.md
+++ b/docs/trie-db/classes/_index_.trie.md
@@ -27,7 +27,7 @@ Overview
 
 ⊕ **new Trie**(db?: *`TxDb`*, rootHash?: *`Uint8Array`*): [Trie](_index_.trie.md)
 
-*Defined in [index.ts:33](https://github.com/polkadot-js/common/blob/d0291db/packages/trie-db/src/index.ts#L33)*
+*Defined in [index.ts:33](https://github.com/polkadot-js/common/blob/02d4155/packages/trie-db/src/index.ts#L33)*
 
 **Parameters:**
 
@@ -50,7 +50,7 @@ ___
 
 *Implementation of [TrieDb](../interfaces/_types_.triedb.md).[db](../interfaces/_types_.triedb.md#db)*
 
-*Defined in [index.ts:31](https://github.com/polkadot-js/common/blob/d0291db/packages/trie-db/src/index.ts#L31)*
+*Defined in [index.ts:31](https://github.com/polkadot-js/common/blob/02d4155/packages/trie-db/src/index.ts#L31)*
 
 ___
 
@@ -64,7 +64,7 @@ ___
 
 *Implementation of [TrieDb](../interfaces/_types_.triedb.md).[close](../interfaces/_types_.triedb.md#close)*
 
-*Defined in [index.ts:81](https://github.com/polkadot-js/common/blob/d0291db/packages/trie-db/src/index.ts#L81)*
+*Defined in [index.ts:81](https://github.com/polkadot-js/common/blob/02d4155/packages/trie-db/src/index.ts#L81)*
 
 **Returns:** `void`
 
@@ -77,7 +77,7 @@ ___
 
 *Implementation of [TrieDb](../interfaces/_types_.triedb.md).[del](../interfaces/_types_.triedb.md#del)*
 
-*Defined in [index.ts:105](https://github.com/polkadot-js/common/blob/d0291db/packages/trie-db/src/index.ts#L105)*
+*Defined in [index.ts:105](https://github.com/polkadot-js/common/blob/02d4155/packages/trie-db/src/index.ts#L105)*
 
 **Parameters:**
 
@@ -96,7 +96,7 @@ ___
 
 *Implementation of [TrieDb](../interfaces/_types_.triedb.md).[drop](../interfaces/_types_.triedb.md#drop)*
 
-*Defined in [index.ts:89](https://github.com/polkadot-js/common/blob/d0291db/packages/trie-db/src/index.ts#L89)*
+*Defined in [index.ts:89](https://github.com/polkadot-js/common/blob/02d4155/packages/trie-db/src/index.ts#L89)*
 
 **Returns:** `void`
 
@@ -109,7 +109,7 @@ ___
 
 *Implementation of [TrieDb](../interfaces/_types_.triedb.md).[empty](../interfaces/_types_.triedb.md#empty)*
 
-*Defined in [index.ts:85](https://github.com/polkadot-js/common/blob/d0291db/packages/trie-db/src/index.ts#L85)*
+*Defined in [index.ts:85](https://github.com/polkadot-js/common/blob/02d4155/packages/trie-db/src/index.ts#L85)*
 
 **Returns:** `void`
 
@@ -122,7 +122,7 @@ ___
 
 *Implementation of [TrieDb](../interfaces/_types_.triedb.md).[get](../interfaces/_types_.triedb.md#get)*
 
-*Defined in [index.ts:116](https://github.com/polkadot-js/common/blob/d0291db/packages/trie-db/src/index.ts#L116)*
+*Defined in [index.ts:116](https://github.com/polkadot-js/common/blob/02d4155/packages/trie-db/src/index.ts#L116)*
 
 **Parameters:**
 
@@ -139,7 +139,7 @@ ___
 
 ▸ **getNode**(hash?: *`Uint8Array`*): [Node](../modules/_types_.md#node)
 
-*Defined in [index.ts:147](https://github.com/polkadot-js/common/blob/d0291db/packages/trie-db/src/index.ts#L147)*
+*Defined in [index.ts:147](https://github.com/polkadot-js/common/blob/02d4155/packages/trie-db/src/index.ts#L147)*
 
 **Parameters:**
 
@@ -158,7 +158,7 @@ ___
 
 *Implementation of [TrieDb](../interfaces/_types_.triedb.md).[getRoot](../interfaces/_types_.triedb.md#getroot)*
 
-*Defined in [index.ts:137](https://github.com/polkadot-js/common/blob/d0291db/packages/trie-db/src/index.ts#L137)*
+*Defined in [index.ts:137](https://github.com/polkadot-js/common/blob/02d4155/packages/trie-db/src/index.ts#L137)*
 
 **Returns:** `Uint8Array`
 
@@ -171,7 +171,7 @@ ___
 
 *Implementation of [TrieDb](../interfaces/_types_.triedb.md).[maintain](../interfaces/_types_.triedb.md#maintain)*
 
-*Defined in [index.ts:93](https://github.com/polkadot-js/common/blob/d0291db/packages/trie-db/src/index.ts#L93)*
+*Defined in [index.ts:93](https://github.com/polkadot-js/common/blob/02d4155/packages/trie-db/src/index.ts#L93)*
 
 **Parameters:**
 
@@ -190,7 +190,7 @@ ___
 
 *Implementation of [TrieDb](../interfaces/_types_.triedb.md).[open](../interfaces/_types_.triedb.md#open)*
 
-*Defined in [index.ts:77](https://github.com/polkadot-js/common/blob/d0291db/packages/trie-db/src/index.ts#L77)*
+*Defined in [index.ts:77](https://github.com/polkadot-js/common/blob/02d4155/packages/trie-db/src/index.ts#L77)*
 
 **Returns:** `void`
 
@@ -203,7 +203,7 @@ ___
 
 *Implementation of [TrieDb](../interfaces/_types_.triedb.md).[put](../interfaces/_types_.triedb.md#put)*
 
-*Defined in [index.ts:125](https://github.com/polkadot-js/common/blob/d0291db/packages/trie-db/src/index.ts#L125)*
+*Defined in [index.ts:125](https://github.com/polkadot-js/common/blob/02d4155/packages/trie-db/src/index.ts#L125)*
 
 **Parameters:**
 
@@ -223,7 +223,7 @@ ___
 
 *Implementation of [TrieDb](../interfaces/_types_.triedb.md).[rename](../interfaces/_types_.triedb.md#rename)*
 
-*Defined in [index.ts:97](https://github.com/polkadot-js/common/blob/d0291db/packages/trie-db/src/index.ts#L97)*
+*Defined in [index.ts:97](https://github.com/polkadot-js/common/blob/02d4155/packages/trie-db/src/index.ts#L97)*
 
 **Parameters:**
 
@@ -243,7 +243,7 @@ ___
 
 *Implementation of [TrieDb](../interfaces/_types_.triedb.md).[setRoot](../interfaces/_types_.triedb.md#setroot)*
 
-*Defined in [index.ts:151](https://github.com/polkadot-js/common/blob/d0291db/packages/trie-db/src/index.ts#L151)*
+*Defined in [index.ts:151](https://github.com/polkadot-js/common/blob/02d4155/packages/trie-db/src/index.ts#L151)*
 
 **Parameters:**
 
@@ -262,7 +262,7 @@ ___
 
 *Implementation of [TrieDb](../interfaces/_types_.triedb.md).[size](../interfaces/_types_.triedb.md#size)*
 
-*Defined in [index.ts:101](https://github.com/polkadot-js/common/blob/d0291db/packages/trie-db/src/index.ts#L101)*
+*Defined in [index.ts:101](https://github.com/polkadot-js/common/blob/02d4155/packages/trie-db/src/index.ts#L101)*
 
 **Returns:** `number`
 
@@ -275,7 +275,7 @@ ___
 
 *Implementation of [TrieDb](../interfaces/_types_.triedb.md).[snapshot](../interfaces/_types_.triedb.md#snapshot)*
 
-*Defined in [index.ts:156](https://github.com/polkadot-js/common/blob/d0291db/packages/trie-db/src/index.ts#L156)*
+*Defined in [index.ts:156](https://github.com/polkadot-js/common/blob/02d4155/packages/trie-db/src/index.ts#L156)*
 
 **Parameters:**
 
@@ -293,7 +293,7 @@ ___
 
 ▸ **transaction**(fn: *`function`*): `boolean`
 
-*Defined in [index.ts:57](https://github.com/polkadot-js/common/blob/d0291db/packages/trie-db/src/index.ts#L57)*
+*Defined in [index.ts:57](https://github.com/polkadot-js/common/blob/02d4155/packages/trie-db/src/index.ts#L57)*
 
 **Parameters:**
 
diff --git a/docs/trie-db/enums/_types_.nodetype.md b/docs/trie-db/enums/_types_.nodetype.md
index 4603fa4cd..e0ff69124 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/d0291db/packages/trie-db/src/types.ts#L11)*
+*Defined in [types.ts:11](https://github.com/polkadot-js/common/blob/02d4155/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/d0291db/packages/trie-db/src/types.ts#L8)*
+*Defined in [types.ts:8](https://github.com/polkadot-js/common/blob/02d4155/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/d0291db/packages/trie-db/src/types.ts#L10)*
+*Defined in [types.ts:10](https://github.com/polkadot-js/common/blob/02d4155/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/d0291db/packages/trie-db/src/types.ts#L9)*
+*Defined in [types.ts:9](https://github.com/polkadot-js/common/blob/02d4155/packages/trie-db/src/types.ts#L9)*
 
 ___
 
diff --git a/docs/trie-db/index.html b/docs/trie-db/index.html
index 29d244fb5..e0fc204a7 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":"2018-10-25T12:11:29.891Z","type":"markdown"},"gitbook":{"version":"3.2.3","time":"2018-10-25T12:12:29.724Z"},"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":"2018-11-01T13:32:40.860Z","type":"markdown"},"gitbook":{"version":"3.2.3","time":"2018-11-01T13:33:38.810Z"},"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 320d0bfa7..53535f6cf 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/d0291db/packages/trie-db/src/types.ts#L37)*
+*Defined in [types.ts:37](https://github.com/polkadot-js/common/blob/02d4155/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.d.ts:18](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/types.d.ts#L18)*
+*Defined in [/home/travis/build/polkadot-js/common/packages/db/src/types.d.ts:18](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/types.d.ts#L18)*
 
 **Returns:** `void`
 
@@ -45,7 +45,7 @@ ___
 
 *Inherited from BaseDb.del*
 
-*Defined in [/home/travis/build/polkadot-js/common/packages/db/src/types.d.ts:26](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/types.d.ts#L26)*
+*Defined in [/home/travis/build/polkadot-js/common/packages/db/src/types.d.ts:26](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/types.d.ts#L26)*
 
 **Parameters:**
 
@@ -64,7 +64,7 @@ ___
 
 *Inherited from BaseDb.drop*
 
-*Defined in [/home/travis/build/polkadot-js/common/packages/db/src/types.d.ts:20](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/types.d.ts#L20)*
+*Defined in [/home/travis/build/polkadot-js/common/packages/db/src/types.d.ts:20](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/types.d.ts#L20)*
 
 **Returns:** `void`
 
@@ -77,7 +77,7 @@ ___
 
 *Inherited from BaseDb.empty*
 
-*Defined in [/home/travis/build/polkadot-js/common/packages/db/src/types.d.ts:21](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/types.d.ts#L21)*
+*Defined in [/home/travis/build/polkadot-js/common/packages/db/src/types.d.ts:21](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/types.d.ts#L21)*
 
 **Returns:** `void`
 
@@ -90,7 +90,7 @@ ___
 
 *Inherited from BaseDb.get*
 
-*Defined in [/home/travis/build/polkadot-js/common/packages/db/src/types.d.ts:27](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/types.d.ts#L27)*
+*Defined in [/home/travis/build/polkadot-js/common/packages/db/src/types.d.ts:27](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/types.d.ts#L27)*
 
 **Parameters:**
 
@@ -107,7 +107,7 @@ ___
 
 ▸ **getRoot**(): `Uint8Array`
 
-*Defined in [types.ts:39](https://github.com/polkadot-js/common/blob/d0291db/packages/trie-db/src/types.ts#L39)*
+*Defined in [types.ts:39](https://github.com/polkadot-js/common/blob/02d4155/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.d.ts:22](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/types.d.ts#L22)*
+*Defined in [/home/travis/build/polkadot-js/common/packages/db/src/types.d.ts:22](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/types.d.ts#L22)*
 
 **Parameters:**
 
@@ -139,7 +139,7 @@ ___
 
 *Inherited from BaseDb.open*
 
-*Defined in [/home/travis/build/polkadot-js/common/packages/db/src/types.d.ts:19](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/types.d.ts#L19)*
+*Defined in [/home/travis/build/polkadot-js/common/packages/db/src/types.d.ts:19](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/types.d.ts#L19)*
 
 **Returns:** `void`
 
@@ -152,7 +152,7 @@ ___
 
 *Inherited from BaseDb.put*
 
-*Defined in [/home/travis/build/polkadot-js/common/packages/db/src/types.d.ts:28](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/types.d.ts#L28)*
+*Defined in [/home/travis/build/polkadot-js/common/packages/db/src/types.d.ts:28](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/types.d.ts#L28)*
 
 **Parameters:**
 
@@ -172,7 +172,7 @@ ___
 
 *Inherited from BaseDb.rename*
 
-*Defined in [/home/travis/build/polkadot-js/common/packages/db/src/types.d.ts:23](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/types.d.ts#L23)*
+*Defined in [/home/travis/build/polkadot-js/common/packages/db/src/types.d.ts:23](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/types.d.ts#L23)*
 
 **Parameters:**
 
@@ -190,7 +190,7 @@ ___
 
 ▸ **setRoot**(rootHash: *`Uint8Array`*): `void`
 
-*Defined in [types.ts:40](https://github.com/polkadot-js/common/blob/d0291db/packages/trie-db/src/types.ts#L40)*
+*Defined in [types.ts:40](https://github.com/polkadot-js/common/blob/02d4155/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.d.ts:24](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/types.d.ts#L24)*
+*Defined in [/home/travis/build/polkadot-js/common/packages/db/src/types.d.ts:24](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/types.d.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/d0291db/packages/trie-db/src/types.ts#L41)*
+*Defined in [types.ts:41](https://github.com/polkadot-js/common/blob/02d4155/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.d.ts:32](https://github.com/polkadot-js/common/blob/d0291db/packages/db/src/types.d.ts#L32)*
+*Defined in [/home/travis/build/polkadot-js/common/packages/db/src/types.d.ts:32](https://github.com/polkadot-js/common/blob/02d4155/packages/db/src/types.d.ts#L32)*
 
 **Parameters:**
 
diff --git a/docs/trie-db/modules/_types_.md b/docs/trie-db/modules/_types_.md
index f6e9f03f1..73bab2771 100644
--- a/docs/trie-db/modules/_types_.md
+++ b/docs/trie-db/modules/_types_.md
@@ -32,7 +32,7 @@
 **Ƭ EncodedPath**: * `Uint8Array` &#124; `null`
 *
 
-*Defined in [types.ts:28](https://github.com/polkadot-js/common/blob/d0291db/packages/trie-db/src/types.ts#L28)*
+*Defined in [types.ts:28](https://github.com/polkadot-js/common/blob/02d4155/packages/trie-db/src/types.ts#L28)*
 
 ___
 <a id="node"></a>
@@ -42,7 +42,7 @@ ___
 **Ƭ Node**: * [NodeEmpty](_types_.md#nodeempty) &#124; [NodeNotEmpty](_types_.md#nodenotempty)
 *
 
-*Defined in [types.ts:34](https://github.com/polkadot-js/common/blob/d0291db/packages/trie-db/src/types.ts#L34)*
+*Defined in [types.ts:34](https://github.com/polkadot-js/common/blob/02d4155/packages/trie-db/src/types.ts#L34)*
 
 ___
 <a id="nodebranch"></a>
@@ -51,7 +51,7 @@ ___
 
 **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/d0291db/packages/trie-db/src/types.ts#L20)*
+*Defined in [types.ts:20](https://github.com/polkadot-js/common/blob/02d4155/packages/trie-db/src/types.ts#L20)*
 
 ___
 <a id="nodeempty"></a>
@@ -60,7 +60,7 @@ ___
 
 **Ƭ NodeEmpty**: *`null`*
 
-*Defined in [types.ts:14](https://github.com/polkadot-js/common/blob/d0291db/packages/trie-db/src/types.ts#L14)*
+*Defined in [types.ts:14](https://github.com/polkadot-js/common/blob/02d4155/packages/trie-db/src/types.ts#L14)*
 
 ___
 <a id="nodeencoded"></a>
@@ -69,7 +69,7 @@ ___
 
 **Ƭ NodeEncoded**: *`Uint8Array`*
 
-*Defined in [types.ts:16](https://github.com/polkadot-js/common/blob/d0291db/packages/trie-db/src/types.ts#L16)*
+*Defined in [types.ts:16](https://github.com/polkadot-js/common/blob/02d4155/packages/trie-db/src/types.ts#L16)*
 
 ___
 <a id="nodeencodedorempty"></a>
@@ -79,7 +79,7 @@ ___
 **Ƭ NodeEncodedOrEmpty**: * [NodeEncoded](_types_.md#nodeencoded) &#124; [NodeEmpty](_types_.md#nodeempty)
 *
 
-*Defined in [types.ts:18](https://github.com/polkadot-js/common/blob/d0291db/packages/trie-db/src/types.ts#L18)*
+*Defined in [types.ts:18](https://github.com/polkadot-js/common/blob/02d4155/packages/trie-db/src/types.ts#L18)*
 
 ___
 <a id="nodekv"></a>
@@ -88,7 +88,7 @@ ___
 
 **Ƭ NodeKv**: *[[EncodedPath](_types_.md#encodedpath), [NodeEncodedOrEmpty](_types_.md#nodeencodedorempty)]*
 
-*Defined in [types.ts:30](https://github.com/polkadot-js/common/blob/d0291db/packages/trie-db/src/types.ts#L30)*
+*Defined in [types.ts:30](https://github.com/polkadot-js/common/blob/02d4155/packages/trie-db/src/types.ts#L30)*
 
 ___
 <a id="nodenotempty"></a>
@@ -98,7 +98,7 @@ ___
 **Ƭ NodeNotEmpty**: * [NodeKv](_types_.md#nodekv) &#124; [NodeBranch](_types_.md#nodebranch)
 *
 
-*Defined in [types.ts:32](https://github.com/polkadot-js/common/blob/d0291db/packages/trie-db/src/types.ts#L32)*
+*Defined in [types.ts:32](https://github.com/polkadot-js/common/blob/02d4155/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 be545c1b3..a588c95bd 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:57](https://github.com/polkadot-js/common/blob/d0291db/packages/trie-db/src/util/is.ts#L57)*
+*Defined in [util/is.ts:57](https://github.com/polkadot-js/common/blob/02d4155/packages/trie-db/src/util/is.ts#L57)*
 
 *__name__*: isBranchNode
 
@@ -33,7 +33,7 @@ ___
 
 ▸ **isEmptyNode**(node: *[Node](_types_.md#node)*): `boolean`
 
-*Defined in [util/is.ts:17](https://github.com/polkadot-js/common/blob/d0291db/packages/trie-db/src/util/is.ts#L17)*
+*Defined in [util/is.ts:17](https://github.com/polkadot-js/common/blob/02d4155/packages/trie-db/src/util/is.ts#L17)*
 
 *__name__*: isEmptyNode
 
@@ -58,7 +58,7 @@ ___
 
 ▸ **isExtensionNode**(node: *[Node](_types_.md#node)*): `boolean`
 
-*Defined in [util/is.ts:37](https://github.com/polkadot-js/common/blob/d0291db/packages/trie-db/src/util/is.ts#L37)*
+*Defined in [util/is.ts:37](https://github.com/polkadot-js/common/blob/02d4155/packages/trie-db/src/util/is.ts#L37)*
 
 *__name__*: isExtensionNode
 
@@ -83,7 +83,7 @@ ___
 
 ▸ **isKvNode**(node: *[Node](_types_.md#node)*): `boolean`
 
-*Defined in [util/is.ts:27](https://github.com/polkadot-js/common/blob/d0291db/packages/trie-db/src/util/is.ts#L27)*
+*Defined in [util/is.ts:27](https://github.com/polkadot-js/common/blob/02d4155/packages/trie-db/src/util/is.ts#L27)*
 
 *__name__*: isKvNode
 
@@ -108,7 +108,7 @@ ___
 
 ▸ **isLeafNode**(node: *[Node](_types_.md#node)*): `boolean`
 
-*Defined in [util/is.ts:47](https://github.com/polkadot-js/common/blob/d0291db/packages/trie-db/src/util/is.ts#L47)*
+*Defined in [util/is.ts:47](https://github.com/polkadot-js/common/blob/02d4155/packages/trie-db/src/util/is.ts#L47)*
 
 *__name__*: isLeafNode
 
diff --git a/docs/trie-db/modules/_util_key_.md b/docs/trie-db/modules/_util_key_.md
index 5f17278a9..341891e93 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:50](https://github.com/polkadot-js/common/blob/d0291db/packages/trie-db/src/util/key.ts#L50)*
+*Defined in [util/key.ts:50](https://github.com/polkadot-js/common/blob/02d4155/packages/trie-db/src/util/key.ts#L50)*
 
 **Parameters:**
 
@@ -25,7 +25,7 @@ ___
 
 ▸ **computeLeafKey**(nibbles: *`Uint8Array`*): [EncodedPath](_types_.md#encodedpath)
 
-*Defined in [util/key.ts:54](https://github.com/polkadot-js/common/blob/d0291db/packages/trie-db/src/util/key.ts#L54)*
+*Defined in [util/key.ts:54](https://github.com/polkadot-js/common/blob/02d4155/packages/trie-db/src/util/key.ts#L54)*
 
 **Parameters:**
 
@@ -42,7 +42,7 @@ ___
 
 ▸ **consumeCommonPrefix**(left: *`Uint8Array`*, right: *`Uint8Array`*): [`Uint8Array`, `Uint8Array`, `Uint8Array`]
 
-*Defined in [util/key.ts:70](https://github.com/polkadot-js/common/blob/d0291db/packages/trie-db/src/util/key.ts#L70)*
+*Defined in [util/key.ts:70](https://github.com/polkadot-js/common/blob/02d4155/packages/trie-db/src/util/key.ts#L70)*
 
 **Parameters:**
 
@@ -60,7 +60,7 @@ ___
 
 ▸ **extractKey**(node: *[Node](_types_.md#node)*): `Uint8Array`
 
-*Defined in [util/key.ts:12](https://github.com/polkadot-js/common/blob/d0291db/packages/trie-db/src/util/key.ts#L12)*
+*Defined in [util/key.ts:12](https://github.com/polkadot-js/common/blob/02d4155/packages/trie-db/src/util/key.ts#L12)*
 
 **Parameters:**
 
@@ -77,7 +77,7 @@ ___
 
 ▸ **getCommonPrefixLength**(left: *`Uint8Array`*, right: *`Uint8Array`*): `number`
 
-*Defined in [util/key.ts:60](https://github.com/polkadot-js/common/blob/d0291db/packages/trie-db/src/util/key.ts#L60)*
+*Defined in [util/key.ts:60](https://github.com/polkadot-js/common/blob/02d4155/packages/trie-db/src/util/key.ts#L60)*
 
 **Parameters:**
 
@@ -95,7 +95,7 @@ ___
 
 ▸ **keyEquals**(key: * `Uint8Array` &#124; `null`*, test: * `Uint8Array` &#124; `null`*): `boolean`
 
-*Defined in [util/key.ts:24](https://github.com/polkadot-js/common/blob/d0291db/packages/trie-db/src/util/key.ts#L24)*
+*Defined in [util/key.ts:24](https://github.com/polkadot-js/common/blob/02d4155/packages/trie-db/src/util/key.ts#L24)*
 
 **Parameters:**
 
@@ -113,7 +113,7 @@ ___
 
 ▸ **keyStartsWith**(key: * `Uint8Array` &#124; `null`*, partial: * `Uint8Array` &#124; `null`*): `boolean`
 
-*Defined in [util/key.ts:34](https://github.com/polkadot-js/common/blob/d0291db/packages/trie-db/src/util/key.ts#L34)*
+*Defined in [util/key.ts:34](https://github.com/polkadot-js/common/blob/02d4155/packages/trie-db/src/util/key.ts#L34)*
 
 **Parameters:**
 
diff --git a/docs/trie-db/modules/_util_nibbles_.md b/docs/trie-db/modules/_util_nibbles_.md
index a19f04012..2f1a8b79f 100644
--- a/docs/trie-db/modules/_util_nibbles_.md
+++ b/docs/trie-db/modules/_util_nibbles_.md
@@ -8,7 +8,7 @@
 
 ▸ **addNibblesTerminator**(nibbles: *`Uint8Array`*): `Uint8Array`
 
-*Defined in [util/nibbles.ts:22](https://github.com/polkadot-js/common/blob/d0291db/packages/trie-db/src/util/nibbles.ts#L22)*
+*Defined in [util/nibbles.ts:22](https://github.com/polkadot-js/common/blob/02d4155/packages/trie-db/src/util/nibbles.ts#L22)*
 
 **Parameters:**
 
@@ -25,7 +25,7 @@ ___
 
 ▸ **decodeNibbles**(value: *[NodeEncodedOrEmpty](_types_.md#nodeencodedorempty)*): `Uint8Array`
 
-*Defined in [util/nibbles.ts:43](https://github.com/polkadot-js/common/blob/d0291db/packages/trie-db/src/util/nibbles.ts#L43)*
+*Defined in [util/nibbles.ts:43](https://github.com/polkadot-js/common/blob/02d4155/packages/trie-db/src/util/nibbles.ts#L43)*
 
 **Parameters:**
 
@@ -42,7 +42,7 @@ ___
 
 ▸ **encodeNibbles**(nibbles: *`Uint8Array`*): [NodeEncoded](_types_.md#nodeencoded)
 
-*Defined in [util/nibbles.ts:56](https://github.com/polkadot-js/common/blob/d0291db/packages/trie-db/src/util/nibbles.ts#L56)*
+*Defined in [util/nibbles.ts:56](https://github.com/polkadot-js/common/blob/02d4155/packages/trie-db/src/util/nibbles.ts#L56)*
 
 **Parameters:**
 
@@ -59,7 +59,7 @@ ___
 
 ▸ **isNibblesTerminated**(nibbles: *`Uint8Array`*): `boolean`
 
-*Defined in [util/nibbles.ts:18](https://github.com/polkadot-js/common/blob/d0291db/packages/trie-db/src/util/nibbles.ts#L18)*
+*Defined in [util/nibbles.ts:18](https://github.com/polkadot-js/common/blob/02d4155/packages/trie-db/src/util/nibbles.ts#L18)*
 
 **Parameters:**
 
@@ -76,7 +76,7 @@ ___
 
 ▸ **removeNibblesTerminator**(nibbles: *`Uint8Array`*): `Uint8Array`
 
-*Defined in [util/nibbles.ts:35](https://github.com/polkadot-js/common/blob/d0291db/packages/trie-db/src/util/nibbles.ts#L35)*
+*Defined in [util/nibbles.ts:35](https://github.com/polkadot-js/common/blob/02d4155/packages/trie-db/src/util/nibbles.ts#L35)*
 
 **Parameters:**
 
diff --git a/docs/trie-db/modules/_util_node_.md b/docs/trie-db/modules/_util_node_.md
index c13bdc079..136d96c4b 100644
--- a/docs/trie-db/modules/_util_node_.md
+++ b/docs/trie-db/modules/_util_node_.md
@@ -8,7 +8,7 @@
 
 ▸ **decodeNode**(encoded: * `Uint8Array` &#124; [Node](_types_.md#node)*): [Node](_types_.md#node)
 
-*Defined in [util/node.ts:31](https://github.com/polkadot-js/common/blob/d0291db/packages/trie-db/src/util/node.ts#L31)*
+*Defined in [util/node.ts:31](https://github.com/polkadot-js/common/blob/02d4155/packages/trie-db/src/util/node.ts#L31)*
 
 **Parameters:**
 
@@ -25,7 +25,7 @@ ___
 
 ▸ **encodeNode**(node: *[Node](_types_.md#node)*): `Uint8Array`
 
-*Defined in [util/node.ts:48](https://github.com/polkadot-js/common/blob/d0291db/packages/trie-db/src/util/node.ts#L48)*
+*Defined in [util/node.ts:48](https://github.com/polkadot-js/common/blob/02d4155/packages/trie-db/src/util/node.ts#L48)*
 
 **Parameters:**
 
@@ -42,7 +42,7 @@ ___
 
 ▸ **getNodeType**(node: *[Node](_types_.md#node)*): [NodeType](../enums/_types_.nodetype.md)
 
-*Defined in [util/node.ts:14](https://github.com/polkadot-js/common/blob/d0291db/packages/trie-db/src/util/node.ts#L14)*
+*Defined in [util/node.ts:14](https://github.com/polkadot-js/common/blob/02d4155/packages/trie-db/src/util/node.ts#L14)*
 
 **Parameters:**
 
diff --git a/docs/trie-hash/index.html b/docs/trie-hash/index.html
index 8e2d3fed2..40a48ceff 100644
--- a/docs/trie-hash/index.html
+++ b/docs/trie-hash/index.html
@@ -412,7 +412,7 @@
     <script>
         var gitbook = gitbook || [];
         gitbook.push(function() {
-            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":"2018-10-25T12:11:37.308Z","type":"markdown"},"gitbook":{"version":"3.2.3","time":"2018-10-25T12:12:29.724Z"},"basePath":"..","book":{"language":""}});
+            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":"2018-11-01T13:32:48.056Z","type":"markdown"},"gitbook":{"version":"3.2.3","time":"2018-11-01T13:33:38.810Z"},"basePath":"..","book":{"language":""}});
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 </div>
diff --git a/docs/trie-hash/modules/_encode_aux_.md b/docs/trie-hash/modules/_encode_aux_.md
index 52e970fb8..773ea46ee 100644
--- a/docs/trie-hash/modules/_encode_aux_.md
+++ b/docs/trie-hash/modules/_encode_aux_.md
@@ -8,7 +8,7 @@
 
 ▸ **encodeAux**(pairs: *`Trie$Pairs`*, preLength: *`number`*):  `Uint8Array` &#124; `any`[]
 
-*Defined in [encode/aux.ts:12](https://github.com/polkadot-js/common/blob/d0291db/packages/trie-hash/src/encode/aux.ts#L12)*
+*Defined in [encode/aux.ts:12](https://github.com/polkadot-js/common/blob/02d4155/packages/trie-hash/src/encode/aux.ts#L12)*
 
 **Parameters:**
 
diff --git a/docs/trie-hash/modules/_encode_hexprefix_.md b/docs/trie-hash/modules/_encode_hexprefix_.md
index f52772786..b0ef65982 100644
--- a/docs/trie-hash/modules/_encode_hexprefix_.md
+++ b/docs/trie-hash/modules/_encode_hexprefix_.md
@@ -8,7 +8,7 @@
 
 ▸ **encodeHexPrefix**(nibbles: * `Uint8Array` &#124; `Array`<`number`>*, isLeaf: *`boolean`*): `Uint8Array`
 
-*Defined in [encode/hexPrefix.ts:5](https://github.com/polkadot-js/common/blob/d0291db/packages/trie-hash/src/encode/hexPrefix.ts#L5)*
+*Defined in [encode/hexPrefix.ts:5](https://github.com/polkadot-js/common/blob/02d4155/packages/trie-hash/src/encode/hexPrefix.ts#L5)*
 
 **Parameters:**
 
diff --git a/docs/trie-hash/modules/_encode_index_.md b/docs/trie-hash/modules/_encode_index_.md
index 7100ad155..aab2e0704 100644
--- a/docs/trie-hash/modules/_encode_index_.md
+++ b/docs/trie-hash/modules/_encode_index_.md
@@ -8,7 +8,7 @@
 
 ▸ **encode**(pairs: *`Trie$Pairs`*, preLength: *`number`*): `Array`<`any`>
 
-*Defined in [encode/index.ts:36](https://github.com/polkadot-js/common/blob/d0291db/packages/trie-hash/src/encode/index.ts#L36)*
+*Defined in [encode/index.ts:36](https://github.com/polkadot-js/common/blob/02d4155/packages/trie-hash/src/encode/index.ts#L36)*
 
 *__name__*: encode
 
diff --git a/docs/trie-hash/modules/_encode_pairs_.md b/docs/trie-hash/modules/_encode_pairs_.md
index 9e4147cab..dc2c45004 100644
--- a/docs/trie-hash/modules/_encode_pairs_.md
+++ b/docs/trie-hash/modules/_encode_pairs_.md
@@ -8,7 +8,7 @@
 
 ▸ **encodePairs**(pairs: *`Trie$Pairs`*, preLength: *`number`*): `Array`<`any`>
 
-*Defined in [encode/pairs.ts:23](https://github.com/polkadot-js/common/blob/d0291db/packages/trie-hash/src/encode/pairs.ts#L23)*
+*Defined in [encode/pairs.ts:23](https://github.com/polkadot-js/common/blob/02d4155/packages/trie-hash/src/encode/pairs.ts#L23)*
 
 **Parameters:**
 
diff --git a/docs/trie-hash/modules/_encode_shared_.md b/docs/trie-hash/modules/_encode_shared_.md
index d021a2fce..216bbc9f4 100644
--- a/docs/trie-hash/modules/_encode_shared_.md
+++ b/docs/trie-hash/modules/_encode_shared_.md
@@ -8,7 +8,7 @@
 
 ▸ **encodeShared**(pairs: *`Trie$Pairs`*, preLength: *`number`*, sharedLength: *`number`*): `Array`<`any`>
 
-*Defined in [encode/shared.ts:10](https://github.com/polkadot-js/common/blob/d0291db/packages/trie-hash/src/encode/shared.ts#L10)*
+*Defined in [encode/shared.ts:10](https://github.com/polkadot-js/common/blob/02d4155/packages/trie-hash/src/encode/shared.ts#L10)*
 
 **Parameters:**
 
diff --git a/docs/trie-hash/modules/_encode_single_.md b/docs/trie-hash/modules/_encode_single_.md
index 74024cf3f..8d72de4bf 100644
--- a/docs/trie-hash/modules/_encode_single_.md
+++ b/docs/trie-hash/modules/_encode_single_.md
@@ -8,7 +8,7 @@
 
 ▸ **encodeSingle**(pair: *`Trie$Pair`*, preLength: *`number`*): `Array`<`any`>
 
-*Defined in [encode/single.ts:9](https://github.com/polkadot-js/common/blob/d0291db/packages/trie-hash/src/encode/single.ts#L9)*
+*Defined in [encode/single.ts:9](https://github.com/polkadot-js/common/blob/02d4155/packages/trie-hash/src/encode/single.ts#L9)*
 
 **Parameters:**
 
diff --git a/docs/trie-hash/modules/_root_.md b/docs/trie-hash/modules/_root_.md
index 3172f49d2..befbad1e5 100644
--- a/docs/trie-hash/modules/_root_.md
+++ b/docs/trie-hash/modules/_root_.md
@@ -8,7 +8,7 @@
 
 ▸ **trieRoot**(pairs: *`Trie$Pairs`*): `Uint8Array`
 
-*Defined in [root.ts:30](https://github.com/polkadot-js/common/blob/d0291db/packages/trie-hash/src/root.ts#L30)*
+*Defined in [root.ts:30](https://github.com/polkadot-js/common/blob/02d4155/packages/trie-hash/src/root.ts#L30)*
 
 *__name__*: trieRoot
 
diff --git a/docs/trie-hash/modules/_rootordered_.md b/docs/trie-hash/modules/_rootordered_.md
index c8b297e43..bb313c224 100644
--- a/docs/trie-hash/modules/_rootordered_.md
+++ b/docs/trie-hash/modules/_rootordered_.md
@@ -8,7 +8,7 @@
 
 ▸ **trieRootOrdered**(values: *`Array`<`Uint8Array`>*): `Uint8Array`
 
-*Defined in [rootOrdered.ts:29](https://github.com/polkadot-js/common/blob/d0291db/packages/trie-hash/src/rootOrdered.ts#L29)*
+*Defined in [rootOrdered.ts:29](https://github.com/polkadot-js/common/blob/02d4155/packages/trie-hash/src/rootOrdered.ts#L29)*
 
 *__name__*: trieRootOrdered
 
diff --git a/docs/trie-hash/modules/_util_asnibbles_.md b/docs/trie-hash/modules/_util_asnibbles_.md
index 73d5100fe..6228d3b30 100644
--- a/docs/trie-hash/modules/_util_asnibbles_.md
+++ b/docs/trie-hash/modules/_util_asnibbles_.md
@@ -8,7 +8,7 @@
 
 ▸ **asNibbles**(bytes: * `Uint8Array` &#124; `Array`<`number`> &#124; `null`*): `Uint8Array`
 
-*Defined in [util/asNibbles.ts:20](https://github.com/polkadot-js/common/blob/d0291db/packages/trie-hash/src/util/asNibbles.ts#L20)*
+*Defined in [util/asNibbles.ts:20](https://github.com/polkadot-js/common/blob/02d4155/packages/trie-hash/src/util/asNibbles.ts#L20)*
 
 *__name__*: asNibbles
 
diff --git a/docs/trie-hash/modules/_util_fromnibbles_.md b/docs/trie-hash/modules/_util_fromnibbles_.md
index 730ee98f7..6f36a47cf 100644
--- a/docs/trie-hash/modules/_util_fromnibbles_.md
+++ b/docs/trie-hash/modules/_util_fromnibbles_.md
@@ -8,7 +8,7 @@
 
 ▸ **fromNibbles**(nibbles: * `Uint8Array` &#124; `Array`<`number`>*): `Uint8Array`
 
-*Defined in [util/fromNibbles.ts:20](https://github.com/polkadot-js/common/blob/d0291db/packages/trie-hash/src/util/fromNibbles.ts#L20)*
+*Defined in [util/fromNibbles.ts:20](https://github.com/polkadot-js/common/blob/02d4155/packages/trie-hash/src/util/fromNibbles.ts#L20)*
 
 *__name__*: fromNibbles
 
diff --git a/docs/trie-hash/modules/_util_genroot_.md b/docs/trie-hash/modules/_util_genroot_.md
index de9077b5f..a6bc3c545 100644
--- a/docs/trie-hash/modules/_util_genroot_.md
+++ b/docs/trie-hash/modules/_util_genroot_.md
@@ -8,7 +8,7 @@
 
 ▸ **genRoot**(pairs: *`Trie$Pairs`*): `Uint8Array`
 
-*Defined in [util/genRoot.ts:17](https://github.com/polkadot-js/common/blob/d0291db/packages/trie-hash/src/util/genRoot.ts#L17)*
+*Defined in [util/genRoot.ts:17](https://github.com/polkadot-js/common/blob/02d4155/packages/trie-hash/src/util/genRoot.ts#L17)*
 
 *__name__*: genRoot
 
diff --git a/docs/trie-hash/modules/_util_pairsuniq_.md b/docs/trie-hash/modules/_util_pairsuniq_.md
index f22e20637..61ab99e2b 100644
--- a/docs/trie-hash/modules/_util_pairsuniq_.md
+++ b/docs/trie-hash/modules/_util_pairsuniq_.md
@@ -8,7 +8,7 @@
 
 ▸ **pairsUniq**(pairs: *`Trie$Pairs`*): `Trie$Pairs`
 
-*Defined in [util/pairsUniq.ts:18](https://github.com/polkadot-js/common/blob/d0291db/packages/trie-hash/src/util/pairsUniq.ts#L18)*
+*Defined in [util/pairsUniq.ts:18](https://github.com/polkadot-js/common/blob/02d4155/packages/trie-hash/src/util/pairsUniq.ts#L18)*
 
 *__name__*: pairsUniq
 
diff --git a/docs/trie-hash/modules/_util_sharedlength_.md b/docs/trie-hash/modules/_util_sharedlength_.md
index abaeb9870..a1e5c43ff 100644
--- a/docs/trie-hash/modules/_util_sharedlength_.md
+++ b/docs/trie-hash/modules/_util_sharedlength_.md
@@ -8,7 +8,7 @@
 
 ▸ **getSharedLength**(a: *`Uint8Array`*, b: *`Uint8Array`*): `number`
 
-*Defined in [util/sharedLength.ts:13](https://github.com/polkadot-js/common/blob/d0291db/packages/trie-hash/src/util/sharedLength.ts#L13)*
+*Defined in [util/sharedLength.ts:13](https://github.com/polkadot-js/common/blob/02d4155/packages/trie-hash/src/util/sharedLength.ts#L13)*
 
 *__name__*: getSharedLength
 
diff --git a/docs/trie-hash/modules/_util_sharedprefixlength_.md b/docs/trie-hash/modules/_util_sharedprefixlength_.md
index 061c055df..eb861710e 100644
--- a/docs/trie-hash/modules/_util_sharedprefixlength_.md
+++ b/docs/trie-hash/modules/_util_sharedprefixlength_.md
@@ -8,7 +8,7 @@
 
 ▸ **sharedPrefixLength**(pairs: *`Trie$Pairs`*): `number`
 
-*Defined in [util/sharedPrefixLength.ts:13](https://github.com/polkadot-js/common/blob/d0291db/packages/trie-hash/src/util/sharedPrefixLength.ts#L13)*
+*Defined in [util/sharedPrefixLength.ts:13](https://github.com/polkadot-js/common/blob/02d4155/packages/trie-hash/src/util/sharedPrefixLength.ts#L13)*
 
 *__name__*: sharedPrefixLength
 
diff --git a/docs/util-crypto/index.html b/docs/util-crypto/index.html
index 503aadebc..6a7632d6f 100644
--- a/docs/util-crypto/index.html
+++ b/docs/util-crypto/index.html
@@ -485,7 +485,7 @@
     <script>
         var gitbook = gitbook || [];
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+            gitbook.page.hasChanged({"page":{"title":"util-crypto","level":"1.6","depth":1,"next":{"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":[]}]},"previous":{"title":"util","level":"1.5","depth":1,"path":"util/README.md","ref":"util/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-crypto/README.md","mtime":"2018-11-01T13:33:02.685Z","type":"markdown"},"gitbook":{"version":"3.2.3","time":"2018-11-01T13:33:38.810Z"},"basePath":"..","book":{"language":""}});
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 </div>
diff --git a/docs/util-crypto/modules/_blake2_ashex_.md b/docs/util-crypto/modules/_blake2_ashex_.md
index 8481adbf7..6244f2cc2 100644
--- a/docs/util-crypto/modules/_blake2_ashex_.md
+++ b/docs/util-crypto/modules/_blake2_ashex_.md
@@ -8,7 +8,7 @@
 
 ▸ **blake2AsHex**(data: *`Uint8Array`*, bitLength?: *`number`*): `string`
 
-*Defined in [blake2/asHex.ts:22](https://github.com/polkadot-js/common/blob/d0291db/packages/util-crypto/src/blake2/asHex.ts#L22)*
+*Defined in [blake2/asHex.ts:22](https://github.com/polkadot-js/common/blob/02d4155/packages/util-crypto/src/blake2/asHex.ts#L22)*
 
 *__name__*: blake2AsHex
 
diff --git a/docs/util-crypto/modules/_blake2_asu8a_.md b/docs/util-crypto/modules/_blake2_asu8a_.md
index d4fc06e44..2a03d4ee0 100644
--- a/docs/util-crypto/modules/_blake2_asu8a_.md
+++ b/docs/util-crypto/modules/_blake2_asu8a_.md
@@ -8,7 +8,7 @@
 
 ▸ **blake2AsU8a**(data: *`Uint8Array`*, bitLength?: *`number`*, key?: *`Uint8Array`*): `Uint8Array`
 
-*Defined in [blake2/asU8a.ts:22](https://github.com/polkadot-js/common/blob/d0291db/packages/util-crypto/src/blake2/asU8a.ts#L22)*
+*Defined in [blake2/asU8a.ts:22](https://github.com/polkadot-js/common/blob/02d4155/packages/util-crypto/src/blake2/asU8a.ts#L22)*
 
 *__name__*: blake2AsU8a
 
diff --git a/docs/util-crypto/modules/_blake2_blake2b_ashex_.md b/docs/util-crypto/modules/_blake2_blake2b_ashex_.md
index decf92fa2..9fc6fdbb2 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`*, bitLength?: *`number`*): `string`
 
-*Defined in [blake2/blake2b/asHex.ts:24](https://github.com/polkadot-js/common/blob/d0291db/packages/util-crypto/src/blake2/blake2b/asHex.ts#L24)*
+*Defined in [blake2/blake2b/asHex.ts:24](https://github.com/polkadot-js/common/blob/02d4155/packages/util-crypto/src/blake2/blake2b/asHex.ts#L24)*
 
 *__name__*: blake2bAsHex
 
diff --git a/docs/util-crypto/modules/_blake2_blake2b_asu8a_.md b/docs/util-crypto/modules/_blake2_blake2b_asu8a_.md
index 16c374f13..27f0b7c1a 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`*, bitLength?: *`number`*, key?: * `Uint8Array` &#124; `null`*): `Uint8Array`
 
-*Defined in [blake2/blake2b/asU8a.ts:23](https://github.com/polkadot-js/common/blob/d0291db/packages/util-crypto/src/blake2/blake2b/asU8a.ts#L23)*
+*Defined in [blake2/blake2b/asU8a.ts:23](https://github.com/polkadot-js/common/blob/02d4155/packages/util-crypto/src/blake2/blake2b/asU8a.ts#L23)*
 
 *__name__*: blake2bAsU8a
 
diff --git a/docs/util-crypto/modules/_keccak_ashex_.md b/docs/util-crypto/modules/_keccak_ashex_.md
index 9788882a7..68eb46fa9 100644
--- a/docs/util-crypto/modules/_keccak_ashex_.md
+++ b/docs/util-crypto/modules/_keccak_ashex_.md
@@ -8,7 +8,7 @@
 
 ▸ **keccakAsHex**(value: * `Buffer` &#124; `Uint8Array` &#124; `string`*): `string`
 
-*Defined in [keccak/asHex.ts:24](https://github.com/polkadot-js/common/blob/d0291db/packages/util-crypto/src/keccak/asHex.ts#L24)*
+*Defined in [keccak/asHex.ts:24](https://github.com/polkadot-js/common/blob/02d4155/packages/util-crypto/src/keccak/asHex.ts#L24)*
 
 *__name__*: keccakAsHex
 
diff --git a/docs/util-crypto/modules/_keccak_asu8a_.md b/docs/util-crypto/modules/_keccak_asu8a_.md
index 6dbf4c45e..7cb4ef333 100644
--- a/docs/util-crypto/modules/_keccak_asu8a_.md
+++ b/docs/util-crypto/modules/_keccak_asu8a_.md
@@ -8,7 +8,7 @@
 
 ▸ **keccakAsU8a**(value: * `Buffer` &#124; `Uint8Array` &#124; `string`*): `Uint8Array`
 
-*Defined in [keccak/asU8a.ts:22](https://github.com/polkadot-js/common/blob/d0291db/packages/util-crypto/src/keccak/asU8a.ts#L22)*
+*Defined in [keccak/asU8a.ts:22](https://github.com/polkadot-js/common/blob/02d4155/packages/util-crypto/src/keccak/asU8a.ts#L22)*
 
 *__name__*: keccakAsU8a
 
diff --git a/docs/util-crypto/modules/_mnemonic_generate_.md b/docs/util-crypto/modules/_mnemonic_generate_.md
index 50e85014d..ab9eeb8cf 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:20](https://github.com/polkadot-js/common/blob/d0291db/packages/util-crypto/src/mnemonic/generate.ts#L20)*
+*Defined in [mnemonic/generate.ts:20](https://github.com/polkadot-js/common/blob/02d4155/packages/util-crypto/src/mnemonic/generate.ts#L20)*
 
 *__name__*: mnemonicGenerate
 
diff --git a/docs/util-crypto/modules/_mnemonic_tosecret_.md b/docs/util-crypto/modules/_mnemonic_tosecret_.md
index 5008da276..d6962048c 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/d0291db/packages/util-crypto/src/mnemonic/toSecret.ts#L8)*
+*Defined in [mnemonic/toSecret.ts:8](https://github.com/polkadot-js/common/blob/02d4155/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 17231f9e0..16bf0d0da 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:25](https://github.com/polkadot-js/common/blob/d0291db/packages/util-crypto/src/mnemonic/toSeed.ts#L25)*
+*Defined in [mnemonic/toSeed.ts:25](https://github.com/polkadot-js/common/blob/02d4155/packages/util-crypto/src/mnemonic/toSeed.ts#L25)*
 
 *__name__*: toSeed
 
diff --git a/docs/util-crypto/modules/_mnemonic_validate_.md b/docs/util-crypto/modules/_mnemonic_validate_.md
index 8caf88826..b3aa83e84 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:21](https://github.com/polkadot-js/common/blob/d0291db/packages/util-crypto/src/mnemonic/validate.ts#L21)*
+*Defined in [mnemonic/validate.ts:21](https://github.com/polkadot-js/common/blob/02d4155/packages/util-crypto/src/mnemonic/validate.ts#L21)*
 
 *__name__*: mnemonicValidate
 
diff --git a/docs/util-crypto/modules/_nacl_decrypt_.md b/docs/util-crypto/modules/_nacl_decrypt_.md
index fea780277..22bb580c6 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` &#124; `null`
 
-*Defined in [nacl/decrypt.ts:22](https://github.com/polkadot-js/common/blob/d0291db/packages/util-crypto/src/nacl/decrypt.ts#L22)*
+*Defined in [nacl/decrypt.ts:22](https://github.com/polkadot-js/common/blob/02d4155/packages/util-crypto/src/nacl/decrypt.ts#L22)*
 
 *__name__*: naclDecrypt
 
diff --git a/docs/util-crypto/modules/_nacl_encrypt_.md b/docs/util-crypto/modules/_nacl_encrypt_.md
index 39d4bef86..af4f1422d 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:29](https://github.com/polkadot-js/common/blob/d0291db/packages/util-crypto/src/nacl/encrypt.ts#L29)*
+*Defined in [nacl/encrypt.ts:29](https://github.com/polkadot-js/common/blob/02d4155/packages/util-crypto/src/nacl/encrypt.ts#L29)*
 
 *__name__*: naclEncrypt
 
diff --git a/docs/util-crypto/modules/_nacl_keypair_fromrandom_.md b/docs/util-crypto/modules/_nacl_keypair_fromrandom_.md
index 87bb093ea..2b495a765 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`
 
-*Defined in [nacl/keypair/fromRandom.ts:24](https://github.com/polkadot-js/common/blob/d0291db/packages/util-crypto/src/nacl/keypair/fromRandom.ts#L24)*
+*Defined in [nacl/keypair/fromRandom.ts:24](https://github.com/polkadot-js/common/blob/02d4155/packages/util-crypto/src/nacl/keypair/fromRandom.ts#L24)*
 
 *__name__*: naclKeypairFromRandom
 
diff --git a/docs/util-crypto/modules/_nacl_keypair_fromsecret_.md b/docs/util-crypto/modules/_nacl_keypair_fromsecret_.md
index 0e92e01fc..a0f30626f 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`
 
-*Defined in [nacl/keypair/fromSecret.ts:24](https://github.com/polkadot-js/common/blob/d0291db/packages/util-crypto/src/nacl/keypair/fromSecret.ts#L24)*
+*Defined in [nacl/keypair/fromSecret.ts:24](https://github.com/polkadot-js/common/blob/02d4155/packages/util-crypto/src/nacl/keypair/fromSecret.ts#L24)*
 
 *__name__*: naclKeypairFromSecret
 
diff --git a/docs/util-crypto/modules/_nacl_keypair_fromseed_.md b/docs/util-crypto/modules/_nacl_keypair_fromseed_.md
index 6295ca2da..62106b6c1 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`
 
-*Defined in [nacl/keypair/fromSeed.ts:24](https://github.com/polkadot-js/common/blob/d0291db/packages/util-crypto/src/nacl/keypair/fromSeed.ts#L24)*
+*Defined in [nacl/keypair/fromSeed.ts:24](https://github.com/polkadot-js/common/blob/02d4155/packages/util-crypto/src/nacl/keypair/fromSeed.ts#L24)*
 
 *__name__*: naclKeypairFromSeed
 
diff --git a/docs/util-crypto/modules/_nacl_keypair_fromstring_.md b/docs/util-crypto/modules/_nacl_keypair_fromstring_.md
index 470d3bc5a..30f232300 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`
 
-*Defined in [nacl/keypair/fromString.ts:27](https://github.com/polkadot-js/common/blob/d0291db/packages/util-crypto/src/nacl/keypair/fromString.ts#L27)*
+*Defined in [nacl/keypair/fromString.ts:27](https://github.com/polkadot-js/common/blob/02d4155/packages/util-crypto/src/nacl/keypair/fromString.ts#L27)*
 
 *__name__*: naclKeypairFromString
 
diff --git a/docs/util-crypto/modules/_nacl_sign_.md b/docs/util-crypto/modules/_nacl_sign_.md
index 3ed2d290a..a9b65ac3a 100644
--- a/docs/util-crypto/modules/_nacl_sign_.md
+++ b/docs/util-crypto/modules/_nacl_sign_.md
@@ -8,7 +8,7 @@
 
 ▸ **naclSign**(message: *`Uint8Array`*, secretKey: *`Uint8Array`*): `Uint8Array`
 
-*Defined in [nacl/sign.ts:22](https://github.com/polkadot-js/common/blob/d0291db/packages/util-crypto/src/nacl/sign.ts#L22)*
+*Defined in [nacl/sign.ts:22](https://github.com/polkadot-js/common/blob/02d4155/packages/util-crypto/src/nacl/sign.ts#L22)*
 
 *__name__*: naclSign
 
diff --git a/docs/util-crypto/modules/_nacl_verify_.md b/docs/util-crypto/modules/_nacl_verify_.md
index 40de0a2c8..24222b417 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:22](https://github.com/polkadot-js/common/blob/d0291db/packages/util-crypto/src/nacl/verify.ts#L22)*
+*Defined in [nacl/verify.ts:22](https://github.com/polkadot-js/common/blob/02d4155/packages/util-crypto/src/nacl/verify.ts#L22)*
 
 *__name__*: naclSign
 
diff --git a/docs/util-crypto/modules/_random_ashex_.md b/docs/util-crypto/modules/_random_ashex_.md
index b939b973c..27297a907 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:24](https://github.com/polkadot-js/common/blob/d0291db/packages/util-crypto/src/random/asHex.ts#L24)*
+*Defined in [random/asHex.ts:24](https://github.com/polkadot-js/common/blob/02d4155/packages/util-crypto/src/random/asHex.ts#L24)*
 
 *__name__*: randomAsHex
 
diff --git a/docs/util-crypto/modules/_random_asnumber_.md b/docs/util-crypto/modules/_random_asnumber_.md
index d2af60f84..f46992e7c 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:27](https://github.com/polkadot-js/common/blob/d0291db/packages/util-crypto/src/random/asNumber.ts#L27)*
+*Defined in [random/asNumber.ts:27](https://github.com/polkadot-js/common/blob/02d4155/packages/util-crypto/src/random/asNumber.ts#L27)*
 
 *__name__*: randomAsNumber
 
diff --git a/docs/util-crypto/modules/_random_asu8a_.md b/docs/util-crypto/modules/_random_asu8a_.md
index 135693355..37aaaebc7 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:22](https://github.com/polkadot-js/common/blob/d0291db/packages/util-crypto/src/random/asU8a.ts#L22)*
+*Defined in [random/asU8a.ts:22](https://github.com/polkadot-js/common/blob/02d4155/packages/util-crypto/src/random/asU8a.ts#L22)*
 
 *__name__*: randomAsU8a
 
diff --git a/docs/util-crypto/modules/_sha512_asu8a_.md b/docs/util-crypto/modules/_sha512_asu8a_.md
index 9669deb2d..5984d7973 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:22](https://github.com/polkadot-js/common/blob/d0291db/packages/util-crypto/src/sha512/asU8a.ts#L22)*
+*Defined in [sha512/asU8a.ts:22](https://github.com/polkadot-js/common/blob/02d4155/packages/util-crypto/src/sha512/asU8a.ts#L22)*
 
 *__name__*: sha512AsU8a
 
diff --git a/docs/util-crypto/modules/_xxhash_ashex_.md b/docs/util-crypto/modules/_xxhash_ashex_.md
index 49e981553..fd6e57000 100644
--- a/docs/util-crypto/modules/_xxhash_ashex_.md
+++ b/docs/util-crypto/modules/_xxhash_ashex_.md
@@ -8,7 +8,7 @@
 
 ▸ **xxhashAsHex**(data: * `Buffer` &#124; `Uint8Array` &#124; `string`*, bitLength?: *`number`*): `string`
 
-*Defined in [xxhash/asHex.ts:24](https://github.com/polkadot-js/common/blob/d0291db/packages/util-crypto/src/xxhash/asHex.ts#L24)*
+*Defined in [xxhash/asHex.ts:24](https://github.com/polkadot-js/common/blob/02d4155/packages/util-crypto/src/xxhash/asHex.ts#L24)*
 
 *__name__*: xxhashAsHex
 
diff --git a/docs/util-crypto/modules/_xxhash_asu8a_.md b/docs/util-crypto/modules/_xxhash_asu8a_.md
index 83a9aa0a9..614443347 100644
--- a/docs/util-crypto/modules/_xxhash_asu8a_.md
+++ b/docs/util-crypto/modules/_xxhash_asu8a_.md
@@ -8,7 +8,7 @@
 
 ▸ **xxhashAsU8a**(data: * `Buffer` &#124; `Uint8Array` &#124; `string`*, bitLength?: *`number`*): `Uint8Array`
 
-*Defined in [xxhash/asU8a.ts:22](https://github.com/polkadot-js/common/blob/d0291db/packages/util-crypto/src/xxhash/asU8a.ts#L22)*
+*Defined in [xxhash/asU8a.ts:22](https://github.com/polkadot-js/common/blob/02d4155/packages/util-crypto/src/xxhash/asU8a.ts#L22)*
 
 *__name__*: xxhashAsU8a
 
diff --git a/docs/util-crypto/modules/_xxhash_xxhash64_asbn_.md b/docs/util-crypto/modules/_xxhash_xxhash64_asbn_.md
index e1999964e..6783adc52 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` &#124; `Uint8Array` &#124; `string`*, seed: *`number`*): `BN`
 
-*Defined in [xxhash/xxhash64/asBn.ts:24](https://github.com/polkadot-js/common/blob/d0291db/packages/util-crypto/src/xxhash/xxhash64/asBn.ts#L24)*
+*Defined in [xxhash/xxhash64/asBn.ts:24](https://github.com/polkadot-js/common/blob/02d4155/packages/util-crypto/src/xxhash/xxhash64/asBn.ts#L24)*
 
 *__name__*: xxhash64AsBn
 
diff --git a/docs/util-crypto/modules/_xxhash_xxhash64_ashex_.md b/docs/util-crypto/modules/_xxhash_xxhash64_ashex_.md
index b13206f01..b4a02cfed 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` &#124; `Uint8Array` &#124; `string`*, seed: *`number`*): `string`
 
-*Defined in [xxhash/xxhash64/asHex.ts:24](https://github.com/polkadot-js/common/blob/d0291db/packages/util-crypto/src/xxhash/xxhash64/asHex.ts#L24)*
+*Defined in [xxhash/xxhash64/asHex.ts:24](https://github.com/polkadot-js/common/blob/02d4155/packages/util-crypto/src/xxhash/xxhash64/asHex.ts#L24)*
 
 *__name__*: xxhash64AsHex
 
diff --git a/docs/util-crypto/modules/_xxhash_xxhash64_asraw_.md b/docs/util-crypto/modules/_xxhash_xxhash64_asraw_.md
index 73f1fb735..61daed8b4 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` &#124; `Uint8Array` &#124; `string`*, seed: *`number`*): `string`
 
-*Defined in [xxhash/xxhash64/asRaw.ts:22](https://github.com/polkadot-js/common/blob/d0291db/packages/util-crypto/src/xxhash/xxhash64/asRaw.ts#L22)*
+*Defined in [xxhash/xxhash64/asRaw.ts:22](https://github.com/polkadot-js/common/blob/02d4155/packages/util-crypto/src/xxhash/xxhash64/asRaw.ts#L22)*
 
 *__name__*: xxhash64AsRaw
 
diff --git a/docs/util-crypto/modules/_xxhash_xxhash64_asvalue_.md b/docs/util-crypto/modules/_xxhash_xxhash64_asvalue_.md
index 95355541d..93b963a02 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` &#124; `Uint8Array` &#124; `string`*, seed: *`number`*): `number`
 
-*Defined in [xxhash/xxhash64/asValue.ts:23](https://github.com/polkadot-js/common/blob/d0291db/packages/util-crypto/src/xxhash/xxhash64/asValue.ts#L23)*
+*Defined in [xxhash/xxhash64/asValue.ts:23](https://github.com/polkadot-js/common/blob/02d4155/packages/util-crypto/src/xxhash/xxhash64/asValue.ts#L23)*
 
 *__name__*: xxhash64AsValue
 
diff --git a/docs/util-rlp/modules/_decoder_decode_.md b/docs/util-rlp/modules/_decoder_decode_.md
index decd7354f..aeb9f4cdf 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`
 
-*Defined in [decoder/decode.ts:28](https://github.com/polkadot-js/common/blob/d0291db/packages/util-rlp/src/decoder/decode.ts#L28)*
+*Defined in [decoder/decode.ts:28](https://github.com/polkadot-js/common/blob/02d4155/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 6dc5efdf2..e055dcfe8 100644
--- a/docs/util-rlp/modules/_decoder_index_.md
+++ b/docs/util-rlp/modules/_decoder_index_.md
@@ -8,7 +8,7 @@
 
 ▸ **decoder**(input?: *`Uint8Array`*):  `Uint8Array` &#124; `Array`<`any`>
 
-*Defined in [decoder/index.ts:24](https://github.com/polkadot-js/common/blob/d0291db/packages/util-rlp/src/decoder/index.ts#L24)*
+*Defined in [decoder/index.ts:24](https://github.com/polkadot-js/common/blob/02d4155/packages/util-rlp/src/decoder/index.ts#L24)*
 
 *__name__*: decoder
 
diff --git a/docs/util-rlp/modules/_decoder_listlong_.md b/docs/util-rlp/modules/_decoder_listlong_.md
index a0fb14a31..7ce0869e5 100644
--- a/docs/util-rlp/modules/_decoder_listlong_.md
+++ b/docs/util-rlp/modules/_decoder_listlong_.md
@@ -8,7 +8,7 @@
 
 ▸ **decodeListLong**(decode: *`DecodeFunc`*, input: *`Uint8Array`*): `DecodeOutput`
 
-*Defined in [decoder/listLong.ts:11](https://github.com/polkadot-js/common/blob/d0291db/packages/util-rlp/src/decoder/listLong.ts#L11)*
+*Defined in [decoder/listLong.ts:11](https://github.com/polkadot-js/common/blob/02d4155/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 c0f6e701e..85f5260e4 100644
--- a/docs/util-rlp/modules/_decoder_listshort_.md
+++ b/docs/util-rlp/modules/_decoder_listshort_.md
@@ -8,7 +8,7 @@
 
 ▸ **decodeListShort**(decode: *`DecodeFunc`*, input: *`Uint8Array`*): `DecodeOutput`
 
-*Defined in [decoder/listShort.ts:7](https://github.com/polkadot-js/common/blob/d0291db/packages/util-rlp/src/decoder/listShort.ts#L7)*
+*Defined in [decoder/listShort.ts:7](https://github.com/polkadot-js/common/blob/02d4155/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 4e5c3fe54..77ae2d986 100644
--- a/docs/util-rlp/modules/_decoder_number_.md
+++ b/docs/util-rlp/modules/_decoder_number_.md
@@ -8,7 +8,7 @@
 
 ▸ **decodeNumber**(decode: *`DecodeFunc`*, input: *`Uint8Array`*): `DecodeOutput`
 
-*Defined in [decoder/number.ts:11](https://github.com/polkadot-js/common/blob/d0291db/packages/util-rlp/src/decoder/number.ts#L11)*
+*Defined in [decoder/number.ts:11](https://github.com/polkadot-js/common/blob/02d4155/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 4e7667d54..891b58cdc 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/d0291db/packages/util-rlp/src/decoder/safeParseInt.ts#L7)*
+*Defined in [decoder/safeParseInt.ts:7](https://github.com/polkadot-js/common/blob/02d4155/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 c924acf75..529a0f282 100644
--- a/docs/util-rlp/modules/_decoder_single_.md
+++ b/docs/util-rlp/modules/_decoder_single_.md
@@ -8,7 +8,7 @@
 
 ▸ **decodeSingle**(decode: *`DecodeFunc`*, input: *`Uint8Array`*): `DecodeOutput`
 
-*Defined in [decoder/single.ts:7](https://github.com/polkadot-js/common/blob/d0291db/packages/util-rlp/src/decoder/single.ts#L7)*
+*Defined in [decoder/single.ts:7](https://github.com/polkadot-js/common/blob/02d4155/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 1a2521d30..8fe593127 100644
--- a/docs/util-rlp/modules/_decoder_string_.md
+++ b/docs/util-rlp/modules/_decoder_string_.md
@@ -8,7 +8,7 @@
 
 ▸ **decodeString**(decode: *`DecodeFunc`*, input: *`Uint8Array`*): `DecodeOutput`
 
-*Defined in [decoder/string.ts:9](https://github.com/polkadot-js/common/blob/d0291db/packages/util-rlp/src/decoder/string.ts#L9)*
+*Defined in [decoder/string.ts:9](https://github.com/polkadot-js/common/blob/02d4155/packages/util-rlp/src/decoder/string.ts#L9)*
 
 **Parameters:**
 
diff --git a/docs/util-rlp/modules/_encoder_array_.md b/docs/util-rlp/modules/_encoder_array_.md
index 3b6d25fa1..260367a08 100644
--- a/docs/util-rlp/modules/_encoder_array_.md
+++ b/docs/util-rlp/modules/_encoder_array_.md
@@ -8,7 +8,7 @@
 
 ▸ **encodeArray**(encoder: *`EncodeFunc`*, input: *`any`*): `Uint8Array`
 
-*Defined in [encoder/array.ts:11](https://github.com/polkadot-js/common/blob/d0291db/packages/util-rlp/src/encoder/array.ts#L11)*
+*Defined in [encoder/array.ts:11](https://github.com/polkadot-js/common/blob/02d4155/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 f770ed36b..bf7ed8734 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:24](https://github.com/polkadot-js/common/blob/d0291db/packages/util-rlp/src/encoder/index.ts#L24)*
+*Defined in [encoder/index.ts:24](https://github.com/polkadot-js/common/blob/02d4155/packages/util-rlp/src/encoder/index.ts#L24)*
 
 *__name__*: encoder
 
diff --git a/docs/util-rlp/modules/_encoder_length_.md b/docs/util-rlp/modules/_encoder_length_.md
index 670560ff8..5956959b3 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/d0291db/packages/util-rlp/src/encoder/length.ts#L7)*
+*Defined in [encoder/length.ts:7](https://github.com/polkadot-js/common/blob/02d4155/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 19403afec..7636e5448 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/d0291db/packages/util-rlp/src/encoder/toU8a.ts#L39)*
+*Defined in [encoder/toU8a.ts:39](https://github.com/polkadot-js/common/blob/02d4155/packages/util-rlp/src/encoder/toU8a.ts#L39)*
 
 **Parameters:**
 
diff --git a/docs/util-rlp/modules/_encoder_u8a_.md b/docs/util-rlp/modules/_encoder_u8a_.md
index 973c6364f..1af280e72 100644
--- a/docs/util-rlp/modules/_encoder_u8a_.md
+++ b/docs/util-rlp/modules/_encoder_u8a_.md
@@ -8,7 +8,7 @@
 
 ▸ **encodeU8a**(encoder: *`EncodeFunc`*, input: *`Uint8Array`*): `Uint8Array`
 
-*Defined in [encoder/u8a.ts:11](https://github.com/polkadot-js/common/blob/d0291db/packages/util-rlp/src/encoder/u8a.ts#L11)*
+*Defined in [encoder/u8a.ts:11](https://github.com/polkadot-js/common/blob/02d4155/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 1c6486f2c..b2b4daf3f 100644
--- a/docs/util/classes/_ext_error_.exterror.md
+++ b/docs/util/classes/_ext_error_.exterror.md
@@ -34,7 +34,7 @@ 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:44](https://github.com/polkadot-js/common/blob/d0291db/packages/util/src/ext/error.ts#L44)*
+*Defined in [ext/error.ts:44](https://github.com/polkadot-js/common/blob/02d4155/packages/util/src/ext/error.ts#L44)*
 
 **Parameters:**
 
@@ -56,7 +56,7 @@ ___
 
 **● code**: *`number`*
 
-*Defined in [ext/error.ts:36](https://github.com/polkadot-js/common/blob/d0291db/packages/util/src/ext/error.ts#L36)*
+*Defined in [ext/error.ts:36](https://github.com/polkadot-js/common/blob/02d4155/packages/util/src/ext/error.ts#L36)*
 
 ___
 <a id="data"></a>
@@ -65,7 +65,7 @@ ___
 
 **● data**: *`any`*
 
-*Defined in [ext/error.ts:38](https://github.com/polkadot-js/common/blob/d0291db/packages/util/src/ext/error.ts#L38)*
+*Defined in [ext/error.ts:38](https://github.com/polkadot-js/common/blob/02d4155/packages/util/src/ext/error.ts#L38)*
 
 ___
 <a id="message"></a>
@@ -76,7 +76,7 @@ ___
 
 *Overrides Error.message*
 
-*Defined in [ext/error.ts:40](https://github.com/polkadot-js/common/blob/d0291db/packages/util/src/ext/error.ts#L40)*
+*Defined in [ext/error.ts:40](https://github.com/polkadot-js/common/blob/02d4155/packages/util/src/ext/error.ts#L40)*
 
 ___
 <a id="name"></a>
@@ -87,7 +87,7 @@ ___
 
 *Overrides Error.name*
 
-*Defined in [ext/error.ts:42](https://github.com/polkadot-js/common/blob/d0291db/packages/util/src/ext/error.ts#L42)*
+*Defined in [ext/error.ts:42](https://github.com/polkadot-js/common/blob/02d4155/packages/util/src/ext/error.ts#L42)*
 
 ___
 <a id="stack"></a>
@@ -98,7 +98,7 @@ ___
 
 *Overrides Error.stack*
 
-*Defined in [ext/error.ts:44](https://github.com/polkadot-js/common/blob/d0291db/packages/util/src/ext/error.ts#L44)*
+*Defined in [ext/error.ts:44](https://github.com/polkadot-js/common/blob/02d4155/packages/util/src/ext/error.ts#L44)*
 
 ___
 <a id="error"></a>
@@ -119,7 +119,7 @@ ___
 
 **CODES**: *`object`*
 
-*Defined in [ext/error.ts:61](https://github.com/polkadot-js/common/blob/d0291db/packages/util/src/ext/error.ts#L61)*
+*Defined in [ext/error.ts:61](https://github.com/polkadot-js/common/blob/02d4155/packages/util/src/ext/error.ts#L61)*
 
 <a id="codes.assert"></a>
 
@@ -127,7 +127,7 @@ ___
 
 **● ASSERT**: *`number`* =  -90009
 
-*Defined in [ext/error.ts:62](https://github.com/polkadot-js/common/blob/d0291db/packages/util/src/ext/error.ts#L62)*
+*Defined in [ext/error.ts:62](https://github.com/polkadot-js/common/blob/02d4155/packages/util/src/ext/error.ts#L62)*
 
 ___
 <a id="codes.invalid_jsonrpc"></a>
@@ -136,7 +136,7 @@ ___
 
 **● INVALID_JSONRPC**: *`number`* =  -99998
 
-*Defined in [ext/error.ts:64](https://github.com/polkadot-js/common/blob/d0291db/packages/util/src/ext/error.ts#L64)*
+*Defined in [ext/error.ts:64](https://github.com/polkadot-js/common/blob/02d4155/packages/util/src/ext/error.ts#L64)*
 
 ___
 <a id="codes.method_not_found"></a>
@@ -145,7 +145,7 @@ ___
 
 **● METHOD_NOT_FOUND**: *`number`* =  -32601
 
-*Defined in [ext/error.ts:65](https://github.com/polkadot-js/common/blob/d0291db/packages/util/src/ext/error.ts#L65)*
+*Defined in [ext/error.ts:65](https://github.com/polkadot-js/common/blob/02d4155/packages/util/src/ext/error.ts#L65)*
 
 ___
 <a id="codes.unknown"></a>
@@ -154,7 +154,7 @@ ___
 
 **● UNKNOWN**: *`number`*
 
-*Defined in [ext/error.ts:63](https://github.com/polkadot-js/common/blob/d0291db/packages/util/src/ext/error.ts#L63)*
+*Defined in [ext/error.ts:63](https://github.com/polkadot-js/common/blob/02d4155/packages/util/src/ext/error.ts#L63)*
 
 ___
 
diff --git a/docs/util/index.html b/docs/util/index.html
index 4332572e4..b5ca25cc2 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":"2018-10-25T12:11:44.532Z","type":"markdown"},"gitbook":{"version":"3.2.3","time":"2018-10-25T12:12:29.724Z"},"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":"2018-11-01T13:32:55.157Z","type":"markdown"},"gitbook":{"version":"3.2.3","time":"2018-11-01T13:33:38.810Z"},"basePath":"..","book":{"language":""}});
         });
     </script>
 </div>
diff --git a/docs/util/modules/_array_filter_.md b/docs/util/modules/_array_filter_.md
index 1431e53d3..14c73321f 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:24](https://github.com/polkadot-js/common/blob/d0291db/packages/util/src/array/filter.ts#L24)*
+*Defined in [array/filter.ts:24](https://github.com/polkadot-js/common/blob/02d4155/packages/util/src/array/filter.ts#L24)*
 
 *__name__*: arrayFilter
 
diff --git a/docs/util/modules/_assert_.md b/docs/util/modules/_assert_.md
index c9facc58a..90a4799ad 100644
--- a/docs/util/modules/_assert_.md
+++ b/docs/util/modules/_assert_.md
@@ -8,7 +8,7 @@
 
 ▸ **assert**(test: *`any`*, message: * `string` &#124; `MessageFn`*, code?: *`number`*, data?: *`any`*): `boolean`
 
-*Defined in [assert.ts:27](https://github.com/polkadot-js/common/blob/d0291db/packages/util/src/assert.ts#L27)*
+*Defined in [assert.ts:27](https://github.com/polkadot-js/common/blob/02d4155/packages/util/src/assert.ts#L27)*
 
 *__name__*: assert
 
diff --git a/docs/util/modules/_bn_tobn_.md b/docs/util/modules/_bn_tobn_.md
index c76e81efb..2e755dee3 100644
--- a/docs/util/modules/_bn_tobn_.md
+++ b/docs/util/modules/_bn_tobn_.md
@@ -8,7 +8,7 @@
 
 ▸ **bnToBn**(value?: * `BN` &#124; `number`*): `BN`
 
-*Defined in [bn/toBn.ts:24](https://github.com/polkadot-js/common/blob/d0291db/packages/util/src/bn/toBn.ts#L24)*
+*Defined in [bn/toBn.ts:24](https://github.com/polkadot-js/common/blob/02d4155/packages/util/src/bn/toBn.ts#L24)*
 
 *__name__*: bnToBn
 
diff --git a/docs/util/modules/_bn_tohex_.md b/docs/util/modules/_bn_tohex_.md
index 6dce0c4ed..3f71232cb 100644
--- a/docs/util/modules/_bn_tohex_.md
+++ b/docs/util/modules/_bn_tohex_.md
@@ -8,7 +8,7 @@
 
 ▸ **bnToHex**(value?: * `BN` &#124; `number`*, bitLength?: *`number`*): `string`
 
-*Defined in [bn/toHex.ts:28](https://github.com/polkadot-js/common/blob/d0291db/packages/util/src/bn/toHex.ts#L28)*
+*Defined in [bn/toHex.ts:28](https://github.com/polkadot-js/common/blob/02d4155/packages/util/src/bn/toHex.ts#L28)*
 
 *__name__*: bnToHex
 
diff --git a/docs/util/modules/_bn_tou8a_.md b/docs/util/modules/_bn_tou8a_.md
index cb582cdf2..7dffef8ac 100644
--- a/docs/util/modules/_bn_tou8a_.md
+++ b/docs/util/modules/_bn_tou8a_.md
@@ -8,7 +8,7 @@
 
 ▸ **bnToU8a**(value: * `BN` &#124; `number`*, bitLength: *`number`*, isLe: *`boolean`*): `Uint8Array`
 
-*Defined in [bn/toU8a.ts:26](https://github.com/polkadot-js/common/blob/d0291db/packages/util/src/bn/toU8a.ts#L26)*
+*Defined in [bn/toU8a.ts:26](https://github.com/polkadot-js/common/blob/02d4155/packages/util/src/bn/toU8a.ts#L26)*
 
 *__name__*: bnToU8a
 
diff --git a/docs/util/modules/_buffer_tou8a_.md b/docs/util/modules/_buffer_tou8a_.md
index 355aaad90..8dfc7807d 100644
--- a/docs/util/modules/_buffer_tou8a_.md
+++ b/docs/util/modules/_buffer_tou8a_.md
@@ -8,7 +8,7 @@
 
 ▸ **bufferToU8a**(buffer?: * `Buffer` &#124; `number`[]*): `Uint8Array`
 
-*Defined in [buffer/toU8a.ts:20](https://github.com/polkadot-js/common/blob/d0291db/packages/util/src/buffer/toU8a.ts#L20)*
+*Defined in [buffer/toU8a.ts:20](https://github.com/polkadot-js/common/blob/02d4155/packages/util/src/buffer/toU8a.ts#L20)*
 
 *__name__*: bufferToU8a
 
diff --git a/docs/util/modules/_hex_addprefix_.md b/docs/util/modules/_hex_addprefix_.md
index 31e074eaf..d3e6461df 100644
--- a/docs/util/modules/_hex_addprefix_.md
+++ b/docs/util/modules/_hex_addprefix_.md
@@ -8,7 +8,7 @@
 
 ▸ **hexAddPrefix**(value: * `string` &#124; `null` &#124; `undefined`*): `string`
 
-*Defined in [hex/addPrefix.ts:22](https://github.com/polkadot-js/common/blob/d0291db/packages/util/src/hex/addPrefix.ts#L22)*
+*Defined in [hex/addPrefix.ts:22](https://github.com/polkadot-js/common/blob/02d4155/packages/util/src/hex/addPrefix.ts#L22)*
 
 *__name__*: hexAddPrefix
 
diff --git a/docs/util/modules/_hex_fixlength_.md b/docs/util/modules/_hex_fixlength_.md
index 47d578c56..67f65c9f9 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:25](https://github.com/polkadot-js/common/blob/d0291db/packages/util/src/hex/fixLength.ts#L25)*
+*Defined in [hex/fixLength.ts:25](https://github.com/polkadot-js/common/blob/02d4155/packages/util/src/hex/fixLength.ts#L25)*
 
 *__name__*: hexFixLength
 
diff --git a/docs/util/modules/_hex_hasprefix_.md b/docs/util/modules/_hex_hasprefix_.md
index ba6ccf657..2643f1cf9 100644
--- a/docs/util/modules/_hex_hasprefix_.md
+++ b/docs/util/modules/_hex_hasprefix_.md
@@ -8,7 +8,7 @@
 
 ▸ **hexHasPrefix**(value: * `string` &#124; `null` &#124; `undefined`*): `boolean`
 
-*Defined in [hex/hasPrefix.ts:22](https://github.com/polkadot-js/common/blob/d0291db/packages/util/src/hex/hasPrefix.ts#L22)*
+*Defined in [hex/hasPrefix.ts:22](https://github.com/polkadot-js/common/blob/02d4155/packages/util/src/hex/hasPrefix.ts#L22)*
 
 *__name__*: hexHasPrefix
 
diff --git a/docs/util/modules/_hex_stripprefix_.md b/docs/util/modules/_hex_stripprefix_.md
index 56cbb24dd..683f6f5d7 100644
--- a/docs/util/modules/_hex_stripprefix_.md
+++ b/docs/util/modules/_hex_stripprefix_.md
@@ -8,7 +8,7 @@
 
 ▸ **hexStripPrefix**(value: * `string` &#124; `null` &#124; `undefined`*): `string`
 
-*Defined in [hex/stripPrefix.ts:24](https://github.com/polkadot-js/common/blob/d0291db/packages/util/src/hex/stripPrefix.ts#L24)*
+*Defined in [hex/stripPrefix.ts:24](https://github.com/polkadot-js/common/blob/02d4155/packages/util/src/hex/stripPrefix.ts#L24)*
 
 *__name__*: hexStripPrefix
 
diff --git a/docs/util/modules/_hex_tobn_.md b/docs/util/modules/_hex_tobn_.md
index c55428792..4d0a85400 100644
--- a/docs/util/modules/_hex_tobn_.md
+++ b/docs/util/modules/_hex_tobn_.md
@@ -8,7 +8,7 @@
 
 ▸ **hexToBn**(_value?: * `undefined` &#124; `string`*, isLe?: *`boolean`*): `BN`
 
-*Defined in [hex/toBn.ts:30](https://github.com/polkadot-js/common/blob/d0291db/packages/util/src/hex/toBn.ts#L30)*
+*Defined in [hex/toBn.ts:30](https://github.com/polkadot-js/common/blob/02d4155/packages/util/src/hex/toBn.ts#L30)*
 
 *__name__*: hexToBn
 
diff --git a/docs/util/modules/_hex_tonumber_.md b/docs/util/modules/_hex_tonumber_.md
index 8946fad48..cb0a9e1de 100644
--- a/docs/util/modules/_hex_tonumber_.md
+++ b/docs/util/modules/_hex_tonumber_.md
@@ -8,7 +8,7 @@
 
 ▸ **hexToNumber**(value?: * `undefined` &#124; `string`*): `number`
 
-*Defined in [hex/toNumber.ts:22](https://github.com/polkadot-js/common/blob/d0291db/packages/util/src/hex/toNumber.ts#L22)*
+*Defined in [hex/toNumber.ts:22](https://github.com/polkadot-js/common/blob/02d4155/packages/util/src/hex/toNumber.ts#L22)*
 
 *__name__*: hexToNumber
 
diff --git a/docs/util/modules/_hex_tou8a_.md b/docs/util/modules/_hex_tou8a_.md
index 58cb16f47..4fd7949cc 100644
--- a/docs/util/modules/_hex_tou8a_.md
+++ b/docs/util/modules/_hex_tou8a_.md
@@ -8,7 +8,7 @@
 
 ▸ **hexToU8a**(_value?: * `string` &#124; `null`*, bitLength?: *`number`*): `Uint8Array`
 
-*Defined in [hex/toU8a.ts:25](https://github.com/polkadot-js/common/blob/d0291db/packages/util/src/hex/toU8a.ts#L25)*
+*Defined in [hex/toU8a.ts:25](https://github.com/polkadot-js/common/blob/02d4155/packages/util/src/hex/toU8a.ts#L25)*
 
 *__name__*: hexToU8a
 
diff --git a/docs/util/modules/_is_bn_.md b/docs/util/modules/_is_bn_.md
index e2013adf7..cc01235db 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:23](https://github.com/polkadot-js/common/blob/d0291db/packages/util/src/is/bn.ts#L23)*
+*Defined in [is/bn.ts:23](https://github.com/polkadot-js/common/blob/02d4155/packages/util/src/is/bn.ts#L23)*
 
 *__name__*: isBn
 
diff --git a/docs/util/modules/_is_boolean_.md b/docs/util/modules/_is_boolean_.md
index 16668dc31..55dfa1b9e 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:20](https://github.com/polkadot-js/common/blob/d0291db/packages/util/src/is/boolean.ts#L20)*
+*Defined in [is/boolean.ts:20](https://github.com/polkadot-js/common/blob/02d4155/packages/util/src/is/boolean.ts#L20)*
 
 *__name__*: isBoolean
 
diff --git a/docs/util/modules/_is_buffer_.md b/docs/util/modules/_is_buffer_.md
index d1bda0bbc..f8bad4a6e 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:22](https://github.com/polkadot-js/common/blob/d0291db/packages/util/src/is/buffer.ts#L22)*
+*Defined in [is/buffer.ts:22](https://github.com/polkadot-js/common/blob/02d4155/packages/util/src/is/buffer.ts#L22)*
 
 *__name__*: isBuffer
 
diff --git a/docs/util/modules/_is_error_.md b/docs/util/modules/_is_error_.md
index 193903934..d12469c73 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:22](https://github.com/polkadot-js/common/blob/d0291db/packages/util/src/is/error.ts#L22)*
+*Defined in [is/error.ts:22](https://github.com/polkadot-js/common/blob/02d4155/packages/util/src/is/error.ts#L22)*
 
 *__name__*: isError
 
diff --git a/docs/util/modules/_is_function_.md b/docs/util/modules/_is_function_.md
index 45b59ddb6..4fae2784f 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:20](https://github.com/polkadot-js/common/blob/d0291db/packages/util/src/is/function.ts#L20)*
+*Defined in [is/function.ts:20](https://github.com/polkadot-js/common/blob/02d4155/packages/util/src/is/function.ts#L20)*
 
 *__name__*: isFunction
 
diff --git a/docs/util/modules/_is_hex_.md b/docs/util/modules/_is_hex_.md
index 3487bc68e..d86e1cfea 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:25](https://github.com/polkadot-js/common/blob/d0291db/packages/util/src/is/hex.ts#L25)*
+*Defined in [is/hex.ts:25](https://github.com/polkadot-js/common/blob/02d4155/packages/util/src/is/hex.ts#L25)*
 
 *__name__*: isHex
 
diff --git a/docs/util/modules/_is_instanceof_.md b/docs/util/modules/_is_instanceof_.md
index e90713880..654972092 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:20](https://github.com/polkadot-js/common/blob/d0291db/packages/util/src/is/instanceOf.ts#L20)*
+*Defined in [is/instanceOf.ts:20](https://github.com/polkadot-js/common/blob/02d4155/packages/util/src/is/instanceOf.ts#L20)*
 
 *__name__*: isInstanceOf
 
diff --git a/docs/util/modules/_is_ip_.md b/docs/util/modules/_is_ip_.md
index e2c46e783..3ed423a8f 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:27](https://github.com/polkadot-js/common/blob/d0291db/packages/util/src/is/ip.ts#L27)*
+*Defined in [is/ip.ts:27](https://github.com/polkadot-js/common/blob/02d4155/packages/util/src/is/ip.ts#L27)*
 
 *__name__*: isIp
 
diff --git a/docs/util/modules/_is_null_.md b/docs/util/modules/_is_null_.md
index 607778299..92e71f07e 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:20](https://github.com/polkadot-js/common/blob/d0291db/packages/util/src/is/null.ts#L20)*
+*Defined in [is/null.ts:20](https://github.com/polkadot-js/common/blob/02d4155/packages/util/src/is/null.ts#L20)*
 
 *__name__*: isNull
 
diff --git a/docs/util/modules/_is_number_.md b/docs/util/modules/_is_number_.md
index 1350d0eb3..79f128e13 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:20](https://github.com/polkadot-js/common/blob/d0291db/packages/util/src/is/number.ts#L20)*
+*Defined in [is/number.ts:20](https://github.com/polkadot-js/common/blob/02d4155/packages/util/src/is/number.ts#L20)*
 
 *__name__*: isNumber
 
diff --git a/docs/util/modules/_is_object_.md b/docs/util/modules/_is_object_.md
index b58800726..74a1b0b4b 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:25](https://github.com/polkadot-js/common/blob/d0291db/packages/util/src/is/object.ts#L25)*
+*Defined in [is/object.ts:25](https://github.com/polkadot-js/common/blob/02d4155/packages/util/src/is/object.ts#L25)*
 
 *__name__*: isObject
 
diff --git a/docs/util/modules/_is_observable_.md b/docs/util/modules/_is_observable_.md
index 79e5108c8..49ab5a709 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:27](https://github.com/polkadot-js/common/blob/d0291db/packages/util/src/is/observable.ts#L27)*
+*Defined in [is/observable.ts:27](https://github.com/polkadot-js/common/blob/02d4155/packages/util/src/is/observable.ts#L27)*
 
 *__name__*: isBObservable
 
diff --git a/docs/util/modules/_is_string_.md b/docs/util/modules/_is_string_.md
index 761549c2e..d75ea5e41 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:20](https://github.com/polkadot-js/common/blob/d0291db/packages/util/src/is/string.ts#L20)*
+*Defined in [is/string.ts:20](https://github.com/polkadot-js/common/blob/02d4155/packages/util/src/is/string.ts#L20)*
 
 *__name__*: isString
 
diff --git a/docs/util/modules/_is_u8a_.md b/docs/util/modules/_is_u8a_.md
index 836e0cd0f..221d73da8 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:22](https://github.com/polkadot-js/common/blob/d0291db/packages/util/src/is/u8a.ts#L22)*
+*Defined in [is/u8a.ts:22](https://github.com/polkadot-js/common/blob/02d4155/packages/util/src/is/u8a.ts#L22)*
 
 *__name__*: isU8a
 
diff --git a/docs/util/modules/_is_undefined_.md b/docs/util/modules/_is_undefined_.md
index 0016303d8..e29636faf 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:20](https://github.com/polkadot-js/common/blob/d0291db/packages/util/src/is/undefined.ts#L20)*
+*Defined in [is/undefined.ts:20](https://github.com/polkadot-js/common/blob/02d4155/packages/util/src/is/undefined.ts#L20)*
 
 *__name__*: isUndefined
 
diff --git a/docs/util/modules/_logger_.md b/docs/util/modules/_logger_.md
index 35e6a3080..ef465a90f 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:36](https://github.com/polkadot-js/common/blob/d0291db/packages/util/src/logger.ts#L36)*
+*Defined in [logger.ts:36](https://github.com/polkadot-js/common/blob/02d4155/packages/util/src/logger.ts#L36)*
 
 **Parameters:**
 
@@ -25,7 +25,7 @@ ___
 
 ▸ **logger**(_type: *`string`*): `Logger`
 
-*Defined in [logger.ts:105](https://github.com/polkadot-js/common/blob/d0291db/packages/util/src/logger.ts#L105)*
+*Defined in [logger.ts:105](https://github.com/polkadot-js/common/blob/02d4155/packages/util/src/logger.ts#L105)*
 
 *__name__*: Logger
 
diff --git a/docs/util/modules/_number_tohex_.md b/docs/util/modules/_number_tohex_.md
index ef55e0caf..47e811328 100644
--- a/docs/util/modules/_number_tohex_.md
+++ b/docs/util/modules/_number_tohex_.md
@@ -8,7 +8,7 @@
 
 ▸ **numberToHex**(value?: * `undefined` &#124; `number`*, bitLength?: *`number`*): `string`
 
-*Defined in [number/toHex.ts:25](https://github.com/polkadot-js/common/blob/d0291db/packages/util/src/number/toHex.ts#L25)*
+*Defined in [number/toHex.ts:25](https://github.com/polkadot-js/common/blob/02d4155/packages/util/src/number/toHex.ts#L25)*
 
 *__name__*: numberToHex
 
diff --git a/docs/util/modules/_number_tou8a_.md b/docs/util/modules/_number_tou8a_.md
index f1ea27c71..9ba1cb04c 100644
--- a/docs/util/modules/_number_tou8a_.md
+++ b/docs/util/modules/_number_tou8a_.md
@@ -8,7 +8,7 @@
 
 ▸ **numberToU8a**(value?: * `undefined` &#124; `number`*, bitLength?: *`number`*): `Uint8Array`
 
-*Defined in [number/toU8a.ts:23](https://github.com/polkadot-js/common/blob/d0291db/packages/util/src/number/toU8a.ts#L23)*
+*Defined in [number/toU8a.ts:23](https://github.com/polkadot-js/common/blob/02d4155/packages/util/src/number/toU8a.ts#L23)*
 
 *__name__*: numberToU8a
 
diff --git a/docs/util/modules/_promisify_.md b/docs/util/modules/_promisify_.md
index b7c38ddfd..f71b53160 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:21](https://github.com/polkadot-js/common/blob/d0291db/packages/util/src/promisify.ts#L21)*
+*Defined in [promisify.ts:21](https://github.com/polkadot-js/common/blob/02d4155/packages/util/src/promisify.ts#L21)*
 
 *__name__*: promisify
 
diff --git a/docs/util/modules/_string_lowerfirst_.md b/docs/util/modules/_string_lowerfirst_.md
index 2d23ef2ea..595c71868 100644
--- a/docs/util/modules/_string_lowerfirst_.md
+++ b/docs/util/modules/_string_lowerfirst_.md
@@ -8,7 +8,7 @@
 
 ▸ **stringLowerFirst**(_value: *`string`*): `string`
 
-*Defined in [string/lowerFirst.ts:23](https://github.com/polkadot-js/common/blob/d0291db/packages/util/src/string/lowerFirst.ts#L23)*
+*Defined in [string/lowerFirst.ts:23](https://github.com/polkadot-js/common/blob/02d4155/packages/util/src/string/lowerFirst.ts#L23)*
 
 *__name__*: stringLowerFirst
 
diff --git a/docs/util/modules/_string_shorten_.md b/docs/util/modules/_string_shorten_.md
index 181f0361e..592d95da4 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:20](https://github.com/polkadot-js/common/blob/d0291db/packages/util/src/string/shorten.ts#L20)*
+*Defined in [string/shorten.ts:20](https://github.com/polkadot-js/common/blob/02d4155/packages/util/src/string/shorten.ts#L20)*
 
 *__name__*: stringShorten
 
diff --git a/docs/util/modules/_string_tou8a_.md b/docs/util/modules/_string_tou8a_.md
index 4ad973976..584406d04 100644
--- a/docs/util/modules/_string_tou8a_.md
+++ b/docs/util/modules/_string_tou8a_.md
@@ -8,7 +8,7 @@
 
 ▸ **stringToU8a**(value?: * `undefined` &#124; `string`*): `Uint8Array`
 
-*Defined in [string/toU8a.ts:24](https://github.com/polkadot-js/common/blob/d0291db/packages/util/src/string/toU8a.ts#L24)*
+*Defined in [string/toU8a.ts:24](https://github.com/polkadot-js/common/blob/02d4155/packages/util/src/string/toU8a.ts#L24)*
 
 *__name__*: stringToU8a
 
diff --git a/docs/util/modules/_string_upperfirst_.md b/docs/util/modules/_string_upperfirst_.md
index 85c29efd7..4accfec62 100644
--- a/docs/util/modules/_string_upperfirst_.md
+++ b/docs/util/modules/_string_upperfirst_.md
@@ -8,7 +8,7 @@
 
 ▸ **stringUpperFirst**(_value: *`string`*): `string`
 
-*Defined in [string/upperFirst.ts:23](https://github.com/polkadot-js/common/blob/d0291db/packages/util/src/string/upperFirst.ts#L23)*
+*Defined in [string/upperFirst.ts:23](https://github.com/polkadot-js/common/blob/02d4155/packages/util/src/string/upperFirst.ts#L23)*
 
 *__name__*: stringUpperFirst
 
diff --git a/docs/util/modules/_syncify_.md b/docs/util/modules/_syncify_.md
index add3497d4..fa68233e5 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/d0291db/packages/util/src/syncify.ts#L11)*
+*Defined in [syncify.ts:11](https://github.com/polkadot-js/common/blob/02d4155/packages/util/src/syncify.ts#L11)*
 
 **Parameters:**
 
diff --git a/docs/util/modules/_u8a_concat_.md b/docs/util/modules/_u8a_concat_.md
index a1b41ae65..26ae3b922 100644
--- a/docs/util/modules/_u8a_concat_.md
+++ b/docs/util/modules/_u8a_concat_.md
@@ -8,7 +8,7 @@
 
 ▸ **u8aConcat**(..._list: *`Array`< `Uint8Array` &#124; `string`>*): `Uint8Array`
 
-*Defined in [u8a/concat.ts:25](https://github.com/polkadot-js/common/blob/d0291db/packages/util/src/u8a/concat.ts#L25)*
+*Defined in [u8a/concat.ts:25](https://github.com/polkadot-js/common/blob/02d4155/packages/util/src/u8a/concat.ts#L25)*
 
 *__name__*: u8aConcat
 
diff --git a/docs/util/modules/_u8a_fixlength_.md b/docs/util/modules/_u8a_fixlength_.md
index 773b569a6..84c5fd7e2 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:22](https://github.com/polkadot-js/common/blob/d0291db/packages/util/src/u8a/fixLength.ts#L22)*
+*Defined in [u8a/fixLength.ts:22](https://github.com/polkadot-js/common/blob/02d4155/packages/util/src/u8a/fixLength.ts#L22)*
 
 *__name__*: u8aFixLength
 
diff --git a/docs/util/modules/_u8a_tobn_.md b/docs/util/modules/_u8a_tobn_.md
index 9e0d52709..767b19034 100644
--- a/docs/util/modules/_u8a_tobn_.md
+++ b/docs/util/modules/_u8a_tobn_.md
@@ -8,7 +8,7 @@
 
 ▸ **u8aToBn**(value: *`Uint8Array`*, isLe: *`boolean`*): `BN`
 
-*Defined in [u8a/toBn.ts:25](https://github.com/polkadot-js/common/blob/d0291db/packages/util/src/u8a/toBn.ts#L25)*
+*Defined in [u8a/toBn.ts:25](https://github.com/polkadot-js/common/blob/02d4155/packages/util/src/u8a/toBn.ts#L25)*
 
 *__name__*: u8aToBn
 
diff --git a/docs/util/modules/_u8a_tobuffer_.md b/docs/util/modules/_u8a_tobuffer_.md
index 50f563875..21caaf6dc 100644
--- a/docs/util/modules/_u8a_tobuffer_.md
+++ b/docs/util/modules/_u8a_tobuffer_.md
@@ -8,7 +8,7 @@
 
 ▸ **u8aToBuffer**(value?: *`Uint8Array`*): `Buffer`
 
-*Defined in [u8a/toBuffer.ts:20](https://github.com/polkadot-js/common/blob/d0291db/packages/util/src/u8a/toBuffer.ts#L20)*
+*Defined in [u8a/toBuffer.ts:20](https://github.com/polkadot-js/common/blob/02d4155/packages/util/src/u8a/toBuffer.ts#L20)*
 
 *__name__*: u8aToBuffer
 
diff --git a/docs/util/modules/_u8a_tohex_.md b/docs/util/modules/_u8a_tohex_.md
index 2831a2469..54213c396 100644
--- a/docs/util/modules/_u8a_tohex_.md
+++ b/docs/util/modules/_u8a_tohex_.md
@@ -8,7 +8,7 @@
 
 ▸ **u8aToHex**(value?: * `Uint8Array` &#124; `null`*, bitLength?: *`number`*, isPrefixed?: *`boolean`*): `string`
 
-*Defined in [u8a/toHex.ts:20](https://github.com/polkadot-js/common/blob/d0291db/packages/util/src/u8a/toHex.ts#L20)*
+*Defined in [u8a/toHex.ts:20](https://github.com/polkadot-js/common/blob/02d4155/packages/util/src/u8a/toHex.ts#L20)*
 
 *__name__*: u8aToHex
 
diff --git a/docs/util/modules/_u8a_tostring_.md b/docs/util/modules/_u8a_tostring_.md
index fdcf87a37..a4937750e 100644
--- a/docs/util/modules/_u8a_tostring_.md
+++ b/docs/util/modules/_u8a_tostring_.md
@@ -8,7 +8,7 @@
 
 ▸ **u8aToString**(value?: *`Uint8Array`*): `string`
 
-*Defined in [u8a/toString.ts:24](https://github.com/polkadot-js/common/blob/d0291db/packages/util/src/u8a/toString.ts#L24)*
+*Defined in [u8a/toString.ts:24](https://github.com/polkadot-js/common/blob/02d4155/packages/util/src/u8a/toString.ts#L24)*
 
 *__name__*: u8aToString
 
diff --git a/docs/util/modules/_u8a_tou8a_.md b/docs/util/modules/_u8a_tou8a_.md
index 5a2b83325..b057c4b8d 100644
--- a/docs/util/modules/_u8a_tou8a_.md
+++ b/docs/util/modules/_u8a_tou8a_.md
@@ -8,7 +8,7 @@
 
 ▸ **u8aToU8a**(value?: * `Array`<`number`> &#124; `Buffer` &#124; `Uint8Array` &#124; `string` &#124; `null`*): `Uint8Array`
 
-*Defined in [u8a/toU8a.ts:28](https://github.com/polkadot-js/common/blob/d0291db/packages/util/src/u8a/toU8a.ts#L28)*
+*Defined in [u8a/toU8a.ts:28](https://github.com/polkadot-js/common/blob/02d4155/packages/util/src/u8a/toU8a.ts#L28)*
 
 *__name__*: u8aToU8a
 
diff --git a/lerna.json b/lerna.json
index 9584a9112..bc9c24fcf 100644
--- a/lerna.json
+++ b/lerna.json
@@ -9,5 +9,5 @@
   "packages": [
     "packages/*"
   ],
-  "version": "0.32.10"
+  "version": "0.32.11"
 }
diff --git a/package.json b/package.json
index 89f6cc73b..fdabc5a9c 100644
--- a/package.json
+++ b/package.json
@@ -1,5 +1,5 @@
 {
-  "version": "0.32.10",
+  "version": "0.32.11",
   "private": true,
   "engines": {
     "node": "^10.1.0",
diff --git a/packages/db/package.json b/packages/db/package.json
index b18286a2f..9eb3c1088 100644
--- a/packages/db/package.json
+++ b/packages/db/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/db",
-  "version": "0.32.10",
+  "version": "0.32.11",
   "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": "^7.1.2",
-    "@polkadot/trie-hash": "^0.32.10",
-    "@polkadot/util": "^0.32.10",
+    "@polkadot/trie-hash": "^0.32.11",
+    "@polkadot/util": "^0.32.11",
     "@types/mkdirp": "^0.5.2",
     "@types/snappy": "^6.0.0",
     "lru_map": "^0.3.3",
diff --git a/packages/keyring/package.json b/packages/keyring/package.json
index 2659162d7..0df91bde6 100644
--- a/packages/keyring/package.json
+++ b/packages/keyring/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/keyring",
-  "version": "0.32.10",
+  "version": "0.32.11",
   "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": "^7.1.2",
-    "@polkadot/util": "^0.32.10",
-    "@polkadot/util-crypto": "^0.32.10",
+    "@polkadot/util": "^0.32.11",
+    "@polkadot/util-crypto": "^0.32.11",
     "@types/bs58": "^3.0.30",
     "bs58": "^4.0.1"
   }
diff --git a/packages/trie-db/package.json b/packages/trie-db/package.json
index 80b7207a8..ffbcf30ce 100644
--- a/packages/trie-db/package.json
+++ b/packages/trie-db/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/trie-db",
-  "version": "0.32.10",
+  "version": "0.32.11",
   "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": [
@@ -29,11 +29,11 @@
   "homepage": "https://github.com/polkadot-js/common/tree/master/packages/trie-db#readme",
   "dependencies": {
     "@babel/runtime": "^7.1.2",
-    "@polkadot/db": "^0.32.10",
-    "@polkadot/trie-hash": "^0.32.10",
-    "@polkadot/util": "^0.32.10",
-    "@polkadot/util-crypto": "^0.32.10",
-    "@polkadot/util-rlp": "^0.32.10"
+    "@polkadot/db": "^0.32.11",
+    "@polkadot/trie-hash": "^0.32.11",
+    "@polkadot/util": "^0.32.11",
+    "@polkadot/util-crypto": "^0.32.11",
+    "@polkadot/util-rlp": "^0.32.11"
   },
   "devDependencies": {
     "ethereumjs-testing": "1.0.4"
diff --git a/packages/trie-hash/package.json b/packages/trie-hash/package.json
index f2979c003..e36c3299d 100644
--- a/packages/trie-hash/package.json
+++ b/packages/trie-hash/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/trie-hash",
-  "version": "0.32.10",
+  "version": "0.32.11",
   "description": "Creation of triehash values",
   "main": "index.js",
   "keywords": [
@@ -29,8 +29,8 @@
   "homepage": "https://github.com/polkadot-js/common/tree/master/packages/trie-hash#readme",
   "dependencies": {
     "@babel/runtime": "^7.1.2",
-    "@polkadot/util": "^0.32.10",
-    "@polkadot/util-crypto": "^0.32.10",
-    "@polkadot/util-rlp": "^0.32.10"
+    "@polkadot/util": "^0.32.11",
+    "@polkadot/util-crypto": "^0.32.11",
+    "@polkadot/util-rlp": "^0.32.11"
   }
 }
diff --git a/packages/util-crypto/package.json b/packages/util-crypto/package.json
index 3825d1545..7210dcd6a 100644
--- a/packages/util-crypto/package.json
+++ b/packages/util-crypto/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/util-crypto",
-  "version": "0.32.10",
+  "version": "0.32.11",
   "description": "A collection of useful crypto utilities for @polkadot",
   "main": "index.js",
   "keywords": [
@@ -29,7 +29,7 @@
   "homepage": "https://github.com/polkadot-js/common/tree/master/packages/util-crypto#readme",
   "dependencies": {
     "@babel/runtime": "^7.1.2",
-    "@polkadot/util": "^0.32.10",
+    "@polkadot/util": "^0.32.11",
     "@types/bip39": "^2.4.0",
     "bip39": "^2.5.0",
     "blakejs": "^1.1.0",
diff --git a/packages/util-rlp/package.json b/packages/util-rlp/package.json
index b44b9234d..c5391cffa 100644
--- a/packages/util-rlp/package.json
+++ b/packages/util-rlp/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/util-rlp",
-  "version": "0.32.10",
+  "version": "0.32.11",
   "description": "RLP encoding and decoding",
   "main": "index.js",
   "keywords": [
@@ -31,7 +31,7 @@
   "homepage": "https://github.com/polkadot-js/common/tree/master/packages/trie-hash#readme",
   "dependencies": {
     "@babel/runtime": "^7.1.2",
-    "@polkadot/util": "^0.32.10"
+    "@polkadot/util": "^0.32.11"
   },
   "devDependencies": {
     "ethereumjs-testing": "1.0.4"
diff --git a/packages/util/package.json b/packages/util/package.json
index a5b819dab..21b6a08e8 100644
--- a/packages/util/package.json
+++ b/packages/util/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/util",
-  "version": "0.32.10",
+  "version": "0.32.11",
   "description": "A collection of useful utilities for @polkadot",
   "main": "index.js",
   "keywords": [