diff --git a/lerna.json b/lerna.json
index cc9248f65..e92778c5d 100644
--- a/lerna.json
+++ b/lerna.json
@@ -10,5 +10,5 @@
   "packages": [
     "packages/*"
   ],
-  "version": "0.26.29"
+  "version": "0.26.30"
 }
diff --git a/package.json b/package.json
index 283020acb..6d325dd73 100644
--- a/package.json
+++ b/package.json
@@ -1,5 +1,5 @@
 {
-  "version": "0.26.29",
+  "version": "0.26.30",
   "private": true,
   "engines": {
     "node": "^10.1.0",
diff --git a/packages/trie-db/package.json b/packages/trie-db/package.json
index 3585bce93..3433641fb 100644
--- a/packages/trie-db/package.json
+++ b/packages/trie-db/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/trie-db",
-  "version": "0.26.29",
+  "version": "0.26.30",
   "description": "This is an implementation of the modified merkle patricia tree as speficed in Ethereum's yellow paper, adpated for Polkadot.",
   "main": "index.js",
   "scripts": {},
@@ -27,10 +27,10 @@
   "license": "MPL-2.0",
   "dependencies": {
     "@babel/runtime": "^7.0.0-beta.51",
-    "@polkadot/trie-hash": "^0.26.29",
-    "@polkadot/util": "^0.26.29",
-    "@polkadot/util-crypto": "^0.26.29",
-    "@polkadot/util-rlp": "^0.26.29",
+    "@polkadot/trie-hash": "^0.26.30",
+    "@polkadot/util": "^0.26.30",
+    "@polkadot/util-crypto": "^0.26.30",
+    "@polkadot/util-rlp": "^0.26.30",
     "@types/async": "^2.0.49",
     "@types/semaphore": "^1.1.0",
     "async": "^1.4.2",
diff --git a/packages/trie-hash/package.json b/packages/trie-hash/package.json
index e842f3292..558349c4f 100644
--- a/packages/trie-hash/package.json
+++ b/packages/trie-hash/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/trie-hash",
-  "version": "0.26.29",
+  "version": "0.26.30",
   "description": "Creation of triehash values",
   "main": "index.js",
   "keywords": [
@@ -34,8 +34,8 @@
   },
   "dependencies": {
     "@babel/runtime": "^7.0.0-beta.51",
-    "@polkadot/util": "^0.26.29",
-    "@polkadot/util-crypto": "^0.26.29",
-    "@polkadot/util-rlp": "^0.26.29"
+    "@polkadot/util": "^0.26.30",
+    "@polkadot/util-crypto": "^0.26.30",
+    "@polkadot/util-rlp": "^0.26.30"
   }
 }
diff --git a/packages/type-extrinsics/package.json b/packages/type-extrinsics/package.json
index 881c489b4..6c3974b1b 100644
--- a/packages/type-extrinsics/package.json
+++ b/packages/type-extrinsics/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/extrinsics",
-  "version": "0.26.29",
+  "version": "0.26.30",
   "main": "index.js",
   "repository": "https://github.com/polkadot-js/apps.git",
   "author": "Jaco Greeff <jacogr@gmail.com>",
@@ -16,8 +16,8 @@
   },
   "dependencies": {
     "@babel/runtime": "^7.0.0-beta.51",
-    "@polkadot/params": "^0.26.29",
-    "@polkadot/primitives": "^0.26.29",
-    "@polkadot/util": "^0.26.29"
+    "@polkadot/params": "^0.26.30",
+    "@polkadot/primitives": "^0.26.30",
+    "@polkadot/util": "^0.26.30"
   }
 }
diff --git a/packages/type-jsonrpc/package.json b/packages/type-jsonrpc/package.json
index 414be0165..1707b203d 100644
--- a/packages/type-jsonrpc/package.json
+++ b/packages/type-jsonrpc/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/jsonrpc",
-  "version": "0.26.29",
+  "version": "0.26.30",
   "description": "Method definitions for the Polkadot RPC layer",
   "main": "index.js",
   "engines": {
@@ -34,7 +34,7 @@
     "test": "echo \"Tests only available from root wrapper\""
   },
   "dependencies": {
-    "@polkadot/params": "^0.26.29",
+    "@polkadot/params": "^0.26.30",
     "babel-runtime": "^6.26.0"
   }
 }
diff --git a/packages/type-params/package.json b/packages/type-params/package.json
index 719ebfdc0..ed28d502e 100644
--- a/packages/type-params/package.json
+++ b/packages/type-params/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/params",
-  "version": "0.26.29",
+  "version": "0.26.30",
   "description": "Type defintions for parameters as passed in calls",
   "main": "index.js",
   "engines": {
@@ -34,8 +34,8 @@
   },
   "dependencies": {
     "@babel/runtime": "^7.0.0-beta.51",
-    "@polkadot/extrinsics": "^0.26.29",
-    "@polkadot/primitives": "^0.26.29",
-    "@polkadot/util": "^0.26.29"
+    "@polkadot/extrinsics": "^0.26.30",
+    "@polkadot/primitives": "^0.26.30",
+    "@polkadot/util": "^0.26.30"
   }
 }
diff --git a/packages/type-primitives/package.json b/packages/type-primitives/package.json
index 88edc3738..0b0641a3a 100644
--- a/packages/type-primitives/package.json
+++ b/packages/type-primitives/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/primitives",
-  "version": "0.26.29",
+  "version": "0.26.30",
   "description": "Type defintions for the Polkadot network",
   "main": "index.js",
   "engines": {
@@ -34,8 +34,8 @@
   },
   "dependencies": {
     "@babel/runtime": "^7.0.0-beta.51",
-    "@polkadot/trie-hash": "^0.26.29",
-    "@polkadot/util": "^0.26.29"
+    "@polkadot/trie-hash": "^0.26.30",
+    "@polkadot/util": "^0.26.30"
   },
   "devDependencies": {
     "bn.js": "^4.11.8"
diff --git a/packages/type-storage/package.json b/packages/type-storage/package.json
index 2a70a8b08..1b9c3eb13 100644
--- a/packages/type-storage/package.json
+++ b/packages/type-storage/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/storage",
-  "version": "0.26.29",
+  "version": "0.26.30",
   "description": "Generic wrapper wrapper around state storage",
   "main": "index.js",
   "engines": {
@@ -35,10 +35,10 @@
   },
   "dependencies": {
     "@babel/runtime": "^7.0.0-beta.51",
-    "@polkadot/params": "^0.26.29",
-    "@polkadot/primitives": "^0.26.29",
-    "@polkadot/util": "^0.26.29",
-    "@polkadot/util-crypto": "^0.26.29",
-    "@polkadot/util-keyring": "^0.26.29"
+    "@polkadot/params": "^0.26.30",
+    "@polkadot/primitives": "^0.26.30",
+    "@polkadot/util": "^0.26.30",
+    "@polkadot/util-crypto": "^0.26.30",
+    "@polkadot/util-keyring": "^0.26.30"
   }
 }
diff --git a/packages/util-crypto/package.json b/packages/util-crypto/package.json
index 4e0dd4725..0e48a65e3 100644
--- a/packages/util-crypto/package.json
+++ b/packages/util-crypto/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/util-crypto",
-  "version": "0.26.29",
+  "version": "0.26.30",
   "description": "A collection of useful crypto utilities for @polkadot",
   "main": "index.js",
   "keywords": [
@@ -34,7 +34,7 @@
   },
   "dependencies": {
     "@babel/runtime": "^7.0.0-beta.51",
-    "@polkadot/util": "^0.26.29",
+    "@polkadot/util": "^0.26.30",
     "blakejs": "^1.1.0",
     "js-sha3": "^0.7.0",
     "tweetnacl": "^1.0.0",
diff --git a/packages/util-keyring/package.json b/packages/util-keyring/package.json
index ef3fc1564..5bc81e7ac 100644
--- a/packages/util-keyring/package.json
+++ b/packages/util-keyring/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/util-keyring",
-  "version": "0.26.29",
+  "version": "0.26.30",
   "description": "Keyring management",
   "main": "index.js",
   "engines": {
@@ -36,8 +36,8 @@
   },
   "dependencies": {
     "@babel/runtime": "^7.0.0-beta.51",
-    "@polkadot/util": "^0.26.29",
-    "@polkadot/util-crypto": "^0.26.29",
+    "@polkadot/util": "^0.26.30",
+    "@polkadot/util-crypto": "^0.26.30",
     "@types/bs58": "^3.0.30",
     "bs58": "^4.0.1"
   }
diff --git a/packages/util-rlp/package.json b/packages/util-rlp/package.json
index 11353bed4..55c3ee9fd 100644
--- a/packages/util-rlp/package.json
+++ b/packages/util-rlp/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/util-rlp",
-  "version": "0.26.29",
+  "version": "0.26.30",
   "description": "RLP encoding and decoding",
   "main": "index.js",
   "keywords": [
@@ -36,7 +36,7 @@
   },
   "dependencies": {
     "@babel/runtime": "^7.0.0-beta.51",
-    "@polkadot/util": "^0.26.29"
+    "@polkadot/util": "^0.26.30"
   },
   "devDependencies": {
     "ethereumjs-testing": "^1.0.4"
diff --git a/packages/util/package.json b/packages/util/package.json
index 9f946f7da..33fe8d694 100644
--- a/packages/util/package.json
+++ b/packages/util/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/util",
-  "version": "0.26.29",
+  "version": "0.26.30",
   "description": "A collection of useful utilities for @polkadot",
   "main": "index.js",
   "keywords": [
diff --git a/yarn.lock b/yarn.lock
index 8adb619f0..2976bcba1 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1094,31 +1094,7 @@ babel-code-frame@^6.22.0, babel-code-frame@^6.26.0:
     esutils "^2.0.2"
     js-tokens "^3.0.2"
 
-babel-core@^6.0.0, babel-core@^6.26.0:
-  version "6.26.3"
-  resolved "https://registry.yarnpkg.com/babel-core/-/babel-core-6.26.3.tgz#b2e2f09e342d0f0c88e2f02e067794125e75c207"
-  dependencies:
-    babel-code-frame "^6.26.0"
-    babel-generator "^6.26.0"
-    babel-helpers "^6.24.1"
-    babel-messages "^6.23.0"
-    babel-register "^6.26.0"
-    babel-runtime "^6.26.0"
-    babel-template "^6.26.0"
-    babel-traverse "^6.26.0"
-    babel-types "^6.26.0"
-    babylon "^6.18.0"
-    convert-source-map "^1.5.1"
-    debug "^2.6.9"
-    json5 "^0.5.1"
-    lodash "^4.17.4"
-    minimatch "^3.0.4"
-    path-is-absolute "^1.0.1"
-    private "^0.1.8"
-    slash "^1.0.0"
-    source-map "^0.5.7"
-
-babel-core@^7.0.0-bridge.0:
+babel-core@^6.0.0, babel-core@^7.0.0-bridge.0:
   version "7.0.0-bridge.0"
   resolved "https://registry.yarnpkg.com/babel-core/-/babel-core-7.0.0-bridge.0.tgz#95a492ddd90f9b4e9a4a1da14eb335b87b634ece"
 
@@ -1146,26 +1122,6 @@ babel-generator@^6.18.0:
     source-map "^0.5.6"
     trim-right "^1.0.1"
 
-babel-generator@^6.26.0:
-  version "6.26.1"
-  resolved "https://registry.yarnpkg.com/babel-generator/-/babel-generator-6.26.1.tgz#1844408d3b8f0d35a404ea7ac180f087a601bd90"
-  dependencies:
-    babel-messages "^6.23.0"
-    babel-runtime "^6.26.0"
-    babel-types "^6.26.0"
-    detect-indent "^4.0.0"
-    jsesc "^1.3.0"
-    lodash "^4.17.4"
-    source-map "^0.5.7"
-    trim-right "^1.0.1"
-
-babel-helpers@^6.24.1:
-  version "6.24.1"
-  resolved "https://registry.yarnpkg.com/babel-helpers/-/babel-helpers-6.24.1.tgz#3471de9caec388e5c850e597e58a26ddf37602b2"
-  dependencies:
-    babel-runtime "^6.22.0"
-    babel-template "^6.24.1"
-
 babel-jest@^23.0.1:
   version "23.0.1"
   resolved "https://registry.yarnpkg.com/babel-jest/-/babel-jest-23.0.1.tgz#bbad3bf523fb202da05ed0a6540b48c84eed13a6"
@@ -1203,18 +1159,6 @@ babel-preset-jest@^23.0.1:
     babel-plugin-jest-hoist "^23.0.1"
     babel-plugin-syntax-object-rest-spread "^6.13.0"
 
-babel-register@^6.26.0:
-  version "6.26.0"
-  resolved "https://registry.yarnpkg.com/babel-register/-/babel-register-6.26.0.tgz#6ed021173e2fcb486d7acb45c6009a856f647071"
-  dependencies:
-    babel-core "^6.26.0"
-    babel-runtime "^6.26.0"
-    core-js "^2.5.0"
-    home-or-tmp "^2.0.0"
-    lodash "^4.17.4"
-    mkdirp "^0.5.1"
-    source-map-support "^0.4.15"
-
 babel-runtime@^6.22.0, babel-runtime@^6.26.0:
   version "6.26.0"
   resolved "https://registry.yarnpkg.com/babel-runtime/-/babel-runtime-6.26.0.tgz#965c7058668e82b55d7bfe04ff2337bc8b5647fe"
@@ -1222,7 +1166,7 @@ babel-runtime@^6.22.0, babel-runtime@^6.26.0:
     core-js "^2.4.0"
     regenerator-runtime "^0.11.0"
 
-babel-template@^6.16.0, babel-template@^6.24.1, babel-template@^6.26.0:
+babel-template@^6.16.0:
   version "6.26.0"
   resolved "https://registry.yarnpkg.com/babel-template/-/babel-template-6.26.0.tgz#de03e2d16396b069f46dd9fff8521fb1a0e35e02"
   dependencies:
@@ -1893,7 +1837,7 @@ conventional-recommended-bump@^1.2.1:
     meow "^3.3.0"
     object-assign "^4.0.1"
 
-convert-source-map@^1.1.0, convert-source-map@^1.4.0, convert-source-map@^1.5.1:
+convert-source-map@^1.1.0, convert-source-map@^1.4.0:
   version "1.5.1"
   resolved "https://registry.yarnpkg.com/convert-source-map/-/convert-source-map-1.5.1.tgz#b8278097b9bc229365de5c62cf5fcaed8b5599e5"
 
@@ -1916,7 +1860,7 @@ core-js@^2.4.0:
   version "2.5.1"
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.5.1.tgz#ae6874dc66937789b80754ff5428df66819ca50b"
 
-core-js@^2.5.0, core-js@^2.5.7:
+core-js@^2.5.7:
   version "2.5.7"
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.5.7.tgz#f972608ff0cead68b841a16a932d0b183791814e"
 
@@ -2003,7 +1947,7 @@ deasync@^0.1.13:
     bindings "~1.2.1"
     nan "^2.0.7"
 
-debug@^2.1.2, debug@^2.2.0, debug@^2.3.3, debug@^2.6.8, debug@^2.6.9:
+debug@^2.1.2, debug@^2.2.0, debug@^2.3.3, debug@^2.6.8:
   version "2.6.9"
   resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.9.tgz#5d128515df134ff327e90a4c93f4e077a536341f"
   dependencies:
@@ -3131,13 +3075,6 @@ hoek@4.x.x:
   version "4.2.0"
   resolved "https://registry.yarnpkg.com/hoek/-/hoek-4.2.0.tgz#72d9d0754f7fe25ca2d01ad8f8f9a9449a89526d"
 
-home-or-tmp@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/home-or-tmp/-/home-or-tmp-2.0.0.tgz#e36c3f2d2cae7d746a857e38d18d5f32a7882db8"
-  dependencies:
-    os-homedir "^1.0.0"
-    os-tmpdir "^1.0.1"
-
 home-or-tmp@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/home-or-tmp/-/home-or-tmp-3.0.0.tgz#57a8fe24cf33cdd524860a15821ddc25c86671fb"
@@ -4005,7 +3942,7 @@ json-stringify-safe@^5.0.1, json-stringify-safe@~5.0.1:
   version "5.0.1"
   resolved "https://registry.yarnpkg.com/json-stringify-safe/-/json-stringify-safe-5.0.1.tgz#1296a2d58fd45f19a0f6ce01d65701e2c735b6eb"
 
-json5@^0.5.0, json5@^0.5.1:
+json5@^0.5.0:
   version "0.5.1"
   resolved "https://registry.yarnpkg.com/json5/-/json5-0.5.1.tgz#1eade7acc012034ad84e2396767ead9fa5495821"
 
@@ -4787,7 +4724,7 @@ os-locale@^2.0.0:
     lcid "^1.0.0"
     mem "^1.1.0"
 
-os-tmpdir@^1.0.0, os-tmpdir@^1.0.1, os-tmpdir@~1.0.2:
+os-tmpdir@^1.0.0, os-tmpdir@~1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/os-tmpdir/-/os-tmpdir-1.0.2.tgz#bbe67406c79aa85c5cfec766fe5734555dfa1274"
 
@@ -4879,7 +4816,7 @@ path-exists@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/path-exists/-/path-exists-3.0.0.tgz#ce0ebeaa5f78cb18925ea7d810d7b59b010fd515"
 
-path-is-absolute@^1.0.0, path-is-absolute@^1.0.1:
+path-is-absolute@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/path-is-absolute/-/path-is-absolute-1.0.1.tgz#174b9268735534ffbc7ace6bf53a5a9e1b5c5f5f"
 
@@ -4990,7 +4927,7 @@ pretty-format@^23.0.1:
     ansi-regex "^3.0.0"
     ansi-styles "^3.2.0"
 
-private@^0.1.6, private@^0.1.8:
+private@^0.1.6:
   version "0.1.8"
   resolved "https://registry.yarnpkg.com/private/-/private-0.1.8.tgz#2381edb3689f7a53d653190060fcf822d2f368ff"
 
@@ -5668,7 +5605,7 @@ source-map-resolve@^0.5.0:
     source-map-url "^0.4.0"
     urix "^0.1.0"
 
-source-map-support@^0.4.15, source-map-support@^0.4.2:
+source-map-support@^0.4.2:
   version "0.4.18"
   resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.4.18.tgz#0286a6de8be42641338594e97ccea75f0a2c585f"
   dependencies:
@@ -5695,7 +5632,7 @@ source-map@^0.4.4:
   dependencies:
     amdefine ">=0.0.4"
 
-source-map@^0.5.0, source-map@^0.5.3, source-map@^0.5.6, source-map@^0.5.7, source-map@~0.5.1, source-map@~0.5.6:
+source-map@^0.5.0, source-map@^0.5.3, source-map@^0.5.6, source-map@~0.5.1, source-map@~0.5.6:
   version "0.5.7"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.5.7.tgz#8a039d2d1021d22d1ea14c80d8ea468ba2ef3fcc"
 
@@ -6228,11 +6165,7 @@ typedoc@^0.11.1:
     typedoc-default-themes "^0.5.0"
     typescript "2.7.2"
 
-typescript@2.7.2:
-  version "2.7.2"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-2.7.2.tgz#2d615a1ef4aee4f574425cdff7026edf81919836"
-
-typescript@^2.9.2:
+typescript@2.7.2, typescript@^2.9.2:
   version "2.9.2"
   resolved "https://registry.yarnpkg.com/typescript/-/typescript-2.9.2.tgz#1cbf61d05d6b96269244eb6a3bce4bd914e0f00c"