diff --git a/packages/api-format/package.json b/packages/api-format/package.json
index 5f5f076a55..6545fe1d51 100644
--- a/packages/api-format/package.json
+++ b/packages/api-format/package.json
@@ -37,7 +37,7 @@
     "@babel/runtime": "^7.0.0-beta.51",
     "@polkadot/jsonrpc": "^0.28.11",
     "@polkadot/primitives": "^0.28.11",
-    "@polkadot/util": "^0.28.1",
-    "@polkadot/util-keyring": "^0.28.1"
+    "@polkadot/util": "^0.28.2",
+    "@polkadot/util-keyring": "^0.28.2"
   }
 }
diff --git a/packages/api-format/src/output.ts b/packages/api-format/src/output.ts
index 0559de4e53..8dec87c742 100644
--- a/packages/api-format/src/output.ts
+++ b/packages/api-format/src/output.ts
@@ -10,6 +10,7 @@ import bnDecode from '@polkadot/primitives/json/bn/decode';
 import bytesDecode from '@polkadot/primitives/json/bytes/decode';
 import hashDecode from '@polkadot/primitives/json/hash/decode';
 import headerDecode from '@polkadot/primitives/json/header/decode';
+import blockDecode from '@polkadot/primitives/json/block/decode';
 import isNull from '@polkadot/util/is/null';
 import isUndefined from '@polkadot/util/is/undefined';
 
@@ -22,6 +23,7 @@ const formatters = new Map<Param$Types, FormatterFunction>([
   ['Bytes', bytesDecode],
   ['Hash', hashDecode],
   ['Header', headerDecode],
+  ['SignedBlock', blockDecode],
   ['u64', bnDecode]
 ]);
 
diff --git a/packages/api-provider/package.json b/packages/api-provider/package.json
index a79f8afd3d..8399642539 100644
--- a/packages/api-provider/package.json
+++ b/packages/api-provider/package.json
@@ -40,9 +40,9 @@
   "dependencies": {
     "@babel/runtime": "^7.0.0-beta.51",
     "@polkadot/storage": "^0.28.11",
-    "@polkadot/util": "^0.28.1",
-    "@polkadot/util-crypto": "^0.28.1",
-    "@polkadot/util-keyring": "^0.28.1",
+    "@polkadot/util": "^0.28.2",
+    "@polkadot/util-crypto": "^0.28.2",
+    "@polkadot/util-keyring": "^0.28.2",
     "@types/nock": "^9.1.3",
     "eventemitter3": "^2.0.3",
     "isomorphic-fetch": "^2.2.1",
diff --git a/packages/api-provider/test/e2e.test.js b/packages/api-provider/test/e2e.test.js
index f7563f4f67..4259c2bcf2 100644
--- a/packages/api-provider/test/e2e.test.js
+++ b/packages/api-provider/test/e2e.test.js
@@ -38,22 +38,51 @@ describe.skip('e2e', () => {
 
   it('subscribes to storage', (done) => {
     api.state
-      .subscribeStorage([
-        [storage.staking.public.freeBalanceOf, '5Ejbye9R8ygByQPrDSasaUid1munedPZUmg4f118HGmtodGp'],
-        [storage.staking.public.freeBalanceOf, '5DTestUPts3kjeXSTMyerHihn1uwMfLj8vU8sqF7qYrFacT7']
-      ], (error, data) => {
-        if (error) {
-          return done(error);
+      .subscribeStorage(
+        [
+          [storage.system.public.accountIndexOf, '5Ejbye9R8ygByQPrDSasaUid1munedPZUmg4f118HGmtodGp'],
+          [storage.staking.public.freeBalanceOf, '5DTestUPts3kjeXSTMyerHihn1uwMfLj8vU8sqF7qYrFacT7']
+        ],
+        (error, data) => {
+          if (error) {
+            return done(error);
+          }
+
+          expect(data).toHaveLength(2);
+          expect(data[0].toNumber()).toEqual(0);
+          expect(data[1].toNumber()).not.toEqual(0);
+
+          done();
         }
-
-        expect(data).toHaveLength(2);
-        expect(data[0].toNumber()).toEqual(0);
-        expect(data[1].toNumber()).not.toEqual(0);
-
-        done();
-      })
+      )
       .then((subscriptionId) => {
         console.log('newHead: subscriptionId =', subscriptionId);
       });
   });
+
+  it('retrieves a block by hash', () => {
+    return api.chain
+      .getBlock('0x627847bffdf5f3e01ac440d057dec6a37a12a6f329db7ef8367665574b76b5df')
+      .then((block) => {
+        expect(block).toBeDefined();
+      })
+      .catch((error) => {
+        console.error(error);
+
+        throw error;
+      });
+  });
+
+  it.skip('retrieves the pending extrinsics', () => {
+    return api.author
+      .pendingExtrinsics()
+      .then((extrinsics) => {
+        console.error('extrinsics', extrinsics);
+      })
+      .catch((error) => {
+        console.error(error);
+
+        throw error;
+      });
+  });
 });
diff --git a/packages/api/package.json b/packages/api/package.json
index 1c6402df6b..2fa6a57199 100644
--- a/packages/api/package.json
+++ b/packages/api/package.json
@@ -39,6 +39,6 @@
     "@polkadot/api-provider": "^0.28.11",
     "@polkadot/jsonrpc": "^0.28.11",
     "@polkadot/params": "^0.28.11",
-    "@polkadot/util": "^0.28.1"
+    "@polkadot/util": "^0.28.2"
   }
 }
diff --git a/packages/type-extrinsics/package.json b/packages/type-extrinsics/package.json
index 3b238234e0..5c16c61914 100644
--- a/packages/type-extrinsics/package.json
+++ b/packages/type-extrinsics/package.json
@@ -18,6 +18,6 @@
     "@babel/runtime": "^7.0.0-beta.51",
     "@polkadot/params": "^0.28.11",
     "@polkadot/primitives": "^0.28.11",
-    "@polkadot/util": "^0.28.1"
+    "@polkadot/util": "^0.28.2"
   }
 }
diff --git a/packages/type-extrinsics/src/consensus.ts b/packages/type-extrinsics/src/consensus.ts
index cbf805be24..dd024e57ea 100644
--- a/packages/type-extrinsics/src/consensus.ts
+++ b/packages/type-extrinsics/src/consensus.ts
@@ -32,7 +32,7 @@ const setStorage: CreateItemOptions = {
   type: []
 };
 
-export default (name: Extrinsic$Sections, index: number): Section<Extrinsics> =>
+export default (name: Extrinsic$Sections, index: number): Section<Extrinsics, any, any> =>
   createSection(name, index)((createMethod: CreateItems<Extrinsics>) => ({
     description: 'Consensus',
     public: {
diff --git a/packages/type-extrinsics/src/council.ts b/packages/type-extrinsics/src/council.ts
index f5f2603682..5492cc2104 100644
--- a/packages/type-extrinsics/src/council.ts
+++ b/packages/type-extrinsics/src/council.ts
@@ -86,7 +86,7 @@ const setTermDuration: CreateItemOptions = {
   type: []
 };
 
-export default (name: Extrinsic$Sections, index: number): Section<Extrinsics> =>
+export default (name: Extrinsic$Sections, index: number): Section<Extrinsics, any, any> =>
   createSection(name, index)((createMethod: CreateItems<Extrinsics>) => ({
     description: 'Council',
     public: {
diff --git a/packages/type-extrinsics/src/councilVoting.ts b/packages/type-extrinsics/src/councilVoting.ts
index f12b383a1c..55aff62b95 100644
--- a/packages/type-extrinsics/src/councilVoting.ts
+++ b/packages/type-extrinsics/src/councilVoting.ts
@@ -49,7 +49,7 @@ const setVotingPeriod: CreateItemOptions = {
   type: []
 };
 
-export default (name: Extrinsic$Sections, index: number): Section<Extrinsics> =>
+export default (name: Extrinsic$Sections, index: number): Section<Extrinsics, any, any> =>
   createSection(name, index)((createMethod: CreateItems<Extrinsics>) => ({
     description: 'Council Voting',
     public: {
diff --git a/packages/type-extrinsics/src/democracy.ts b/packages/type-extrinsics/src/democracy.ts
index 2e72ee4c5c..bde1625cf2 100644
--- a/packages/type-extrinsics/src/democracy.ts
+++ b/packages/type-extrinsics/src/democracy.ts
@@ -51,7 +51,7 @@ const cancelReferendum: CreateItemOptions = {
   type: []
 };
 
-export default (name: Extrinsic$Sections, index: number): Section<Extrinsics> =>
+export default (name: Extrinsic$Sections, index: number): Section<Extrinsics, any, any> =>
   createSection(name, index)((createMethod: CreateItems<Extrinsics>) => ({
     description: 'Democracy',
     public: {
diff --git a/packages/type-extrinsics/src/parachains.ts b/packages/type-extrinsics/src/parachains.ts
index a0f0681ad1..9cc8aca2b5 100644
--- a/packages/type-extrinsics/src/parachains.ts
+++ b/packages/type-extrinsics/src/parachains.ts
@@ -35,7 +35,7 @@ const setHeads: CreateItemOptions = {
   type: []
 };
 
-export default (name: Extrinsic$Sections, index: number): Section<Extrinsics> =>
+export default (name: Extrinsic$Sections, index: number): Section<Extrinsics, any, any> =>
   createSection(name, index)((createMethod: CreateItems<Extrinsics>) => ({
     description: 'Parchains',
     public: {
diff --git a/packages/type-extrinsics/src/session.ts b/packages/type-extrinsics/src/session.ts
index d8a3b52e6c..8d67ea2069 100644
--- a/packages/type-extrinsics/src/session.ts
+++ b/packages/type-extrinsics/src/session.ts
@@ -30,7 +30,7 @@ const forceNewSession: CreateItemOptions = {
   type: []
 };
 
-export default (name: Extrinsic$Sections, index: number): Section<Extrinsics> =>
+export default (name: Extrinsic$Sections, index: number): Section<Extrinsics, any, any> =>
   createSection(name, index)((createMethod: CreateItems<Extrinsics>) => ({
     description: 'Session',
     public: {
diff --git a/packages/type-extrinsics/src/staking.ts b/packages/type-extrinsics/src/staking.ts
index d682a78729..4034732219 100644
--- a/packages/type-extrinsics/src/staking.ts
+++ b/packages/type-extrinsics/src/staking.ts
@@ -77,7 +77,7 @@ const forceNewEra: CreateItemOptions = {
   type: []
 };
 
-export default (name: Extrinsic$Sections, index: number): Section<Extrinsics> =>
+export default (name: Extrinsic$Sections, index: number): Section<Extrinsics, any, any> =>
   createSection(name, index)((createMethod: CreateItems<Extrinsics>) => ({
     description: 'Staking',
     public: {
diff --git a/packages/type-extrinsics/src/timestamp.ts b/packages/type-extrinsics/src/timestamp.ts
index 5d624d774c..c69592a43a 100644
--- a/packages/type-extrinsics/src/timestamp.ts
+++ b/packages/type-extrinsics/src/timestamp.ts
@@ -17,7 +17,7 @@ const set: CreateItemOptions = {
   type: []
 };
 
-export default (name: Extrinsic$Sections, index: number): Section<Extrinsics> =>
+export default (name: Extrinsic$Sections, index: number): Section<Extrinsics, any, any> =>
   createSection(name, index)((createMethod: CreateItems<Extrinsics>) => ({
     description: 'Timestamp',
     public: {
diff --git a/packages/type-extrinsics/src/treasury.ts b/packages/type-extrinsics/src/treasury.ts
index 284760d41f..954341355c 100644
--- a/packages/type-extrinsics/src/treasury.ts
+++ b/packages/type-extrinsics/src/treasury.ts
@@ -7,7 +7,7 @@ import { Extrinsics, Extrinsic$Sections } from './types';
 
 import createSection from '@polkadot/params/section';
 
-export default (name: Extrinsic$Sections, index: number): Section<Extrinsics> =>
+export default (name: Extrinsic$Sections, index: number): Section<Extrinsics, any, any> =>
   createSection(name, index)((createMethod: CreateItems<Extrinsics>) => ({
     description: 'Timestamp'
   }));
diff --git a/packages/type-extrinsics/src/types.d.ts b/packages/type-extrinsics/src/types.d.ts
index da6d17762a..c8cc1b4e74 100644
--- a/packages/type-extrinsics/src/types.d.ts
+++ b/packages/type-extrinsics/src/types.d.ts
@@ -6,16 +6,16 @@ import { Section } from '@polkadot/params/types';
 
 export type Extrinsics = {
   // substrate
-  consensus: Section<Extrinsics>,
-  council: Section<Extrinsics>,
-  councilVoting: Section<Extrinsics>,
-  democracy: Section<Extrinsics>,
-  session: Section<Extrinsics>,
-  staking: Section<Extrinsics>,
-  timestamp: Section<Extrinsics>,
-  treasury: Section<Extrinsics>,
+  consensus: Section<Extrinsics, any, any>,
+  council: Section<Extrinsics, any, any>,
+  councilVoting: Section<Extrinsics, any, any>,
+  democracy: Section<Extrinsics, any, any>,
+  session: Section<Extrinsics, any, any>,
+  staking: Section<Extrinsics, any, any>,
+  timestamp: Section<Extrinsics, any, any>,
+  treasury: Section<Extrinsics, any, any>,
   // polkadot
-  parachains: Section<Extrinsics>
+  parachains: Section<Extrinsics, any, any>
 };
 
 export type Extrinsic$Sections = keyof Extrinsics;
diff --git a/packages/type-jsonrpc/src/author.ts b/packages/type-jsonrpc/src/author.ts
index 8b66b8fc29..3611a3ba80 100644
--- a/packages/type-jsonrpc/src/author.ts
+++ b/packages/type-jsonrpc/src/author.ts
@@ -2,12 +2,18 @@
 // This software may be modified and distributed under the terms
 // of the ISC license. See the LICENSE file for details.
 
-import { CreateItems, CreateItemOptions, Section } from '@polkadot/params/types';
+import { CreateItems, CreateItemOptions, CreateItemOptionsMap, Section, SectionItems } from '@polkadot/params/types';
 import { Interfaces, Interface$Sections } from './types';
 
 import param from '@polkadot/params/param';
 import createSection from '@polkadot/params/section';
 
+const pendingExtrinsics: CreateItemOptions = {
+  description: 'Returns all pending extrinsics, potentially grouped by sender',
+  params: [],
+  type: 'PrendingExtrinsics'
+};
+
 const submitExtrinsic: CreateItemOptions = {
   isSigned: true,
   description: 'Submit a fully formatted extrinsic for block inclusion',
@@ -17,14 +23,24 @@ const submitExtrinsic: CreateItemOptions = {
   type: 'Hash'
 };
 
+const privateMethods: CreateItemOptionsMap = {};
+
+const publicMethods: CreateItemOptionsMap = {
+  pendingExtrinsics, submitExtrinsic
+};
+
+export type PrivateMethods = typeof privateMethods;
+export type PublicMethods = typeof publicMethods;
+
 /**
  * @summary Methods to work with authors & contributors.
  */
-export default (name: Interface$Sections): Section<Interfaces> =>
+export default (name: Interface$Sections): Section<Interfaces, PrivateMethods, PublicMethods> =>
   createSection(name)((createMethod: CreateItems<Interfaces>) => ({
     description: 'Authoring of network items',
-    public: {
-      submitExtrinsic:
-        createMethod('submitExtrinsic')(submitExtrinsic)
-    }
+    public: Object.keys(publicMethods).reduce((result, key) => {
+      result[key] = createMethod(key)(publicMethods[key]);
+
+      return result;
+    }, {} as SectionItems<Interfaces, PublicMethods>)
   }));
diff --git a/packages/type-jsonrpc/src/chain.ts b/packages/type-jsonrpc/src/chain.ts
index 670a5a95a8..2c645fec8a 100644
--- a/packages/type-jsonrpc/src/chain.ts
+++ b/packages/type-jsonrpc/src/chain.ts
@@ -2,12 +2,20 @@
 // This software may be modified and distributed under the terms
 // of the ISC license. See the LICENSE file for details.
 
-import { CreateItems, CreateItemOptions, Section } from '@polkadot/params/types';
+import { CreateItems, CreateItemOptions, CreateItemOptionsMap, Section, SectionItems } from '@polkadot/params/types';
 import { Interfaces, Interface$Sections } from './types';
 
 import param from '@polkadot/params/param';
 import createSection from '@polkadot/params/section';
 
+const getBlock: CreateItemOptions = {
+  description: 'Get header and body of a relay chain block',
+  params: [
+    param('hash', 'Hash')
+  ],
+  type: 'SignedBlock'
+};
+
 const getHead: CreateItemOptions = {
   description: 'Retrieves the best headerHash',
   params: [],
@@ -29,18 +37,24 @@ const subscribeNewHead: CreateItemOptions = {
   type: 'Header'
 };
 
+const privateMethods: CreateItemOptionsMap = {};
+
+const publicMethods: CreateItemOptionsMap = {
+  getBlock, getHead, getHeader, subscribeNewHead
+};
+
+export type PublicMethods = typeof publicMethods;
+export type PrivateMethods = typeof privateMethods;
+
 /**
  * @summary Methods to retrieve chain data.
  */
-export default (name: Interface$Sections): Section<Interfaces> =>
+export default (name: Interface$Sections): Section<Interfaces, PrivateMethods, PublicMethods> =>
   createSection(name)((createMethod: CreateItems<Interfaces>) => ({
     description: 'Retrieval of chain data',
-    public: {
-      getHead:
-        createMethod('getHead')(getHead),
-      getHeader:
-        createMethod('getHeader')(getHeader),
-      subscribeNewHead:
-        createMethod('subscribeNewHead')(subscribeNewHead)
-    }
+    public: Object.keys(publicMethods).reduce((result, key) => {
+      result[key] = createMethod(key)(publicMethods[key]);
+
+      return result;
+    }, {} as SectionItems<Interfaces, PublicMethods>)
   }));
diff --git a/packages/type-jsonrpc/src/state.ts b/packages/type-jsonrpc/src/state.ts
index f281e83f8b..48bd215227 100644
--- a/packages/type-jsonrpc/src/state.ts
+++ b/packages/type-jsonrpc/src/state.ts
@@ -2,7 +2,7 @@
 // This software may be modified and distributed under the terms
 // of the ISC license. See the LICENSE file for details.
 
-import { CreateItems, CreateItemOptions, Section } from '@polkadot/params/types';
+import { CreateItems, CreateItemOptions, CreateItemOptionsMap, Section } from '@polkadot/params/types';
 import { Interfaces, Interface$Sections } from './types';
 
 import param from '@polkadot/params/param';
@@ -87,10 +87,19 @@ const subscribeStorage: CreateItemOptions = {
   type: 'StorageResultSet'
 };
 
+const privateMethods: CreateItemOptionsMap = {};
+
+const publicMethods: CreateItemOptionsMap = {
+  call, callAt, getStorage, getStorageAt, getStorageHash, getStorageHashAt, getStorageSize, getStorageSizeAt, subscribeStorage
+};
+
+export type PrivateMethods = typeof privateMethods;
+export type PublicMethods = typeof publicMethods;
+
 /**
  * @summary Query the state and state storage.
  */
-export default (name: Interface$Sections): Section<Interfaces> =>
+export default (name: Interface$Sections): Section<Interfaces, PrivateMethods, PublicMethods> =>
   createSection(name)((createMethod: CreateItems<Interfaces>) => ({
     description: 'Query of state',
     public: {
diff --git a/packages/type-jsonrpc/src/system.ts b/packages/type-jsonrpc/src/system.ts
index 64a9e009e2..0020ee4ad9 100644
--- a/packages/type-jsonrpc/src/system.ts
+++ b/packages/type-jsonrpc/src/system.ts
@@ -2,7 +2,7 @@
 // This software may be modified and distributed under the terms
 // of the ISC license. See the LICENSE file for details.
 
-import { CreateItems, CreateItemOptions, Section } from '@polkadot/params/types';
+import { CreateItems, CreateItemOptions, CreateItemOptionsMap, Section } from '@polkadot/params/types';
 import { Interfaces, Interface$Sections } from './types';
 
 import createSection from '@polkadot/params/section';
@@ -25,10 +25,19 @@ const version: CreateItemOptions = {
   type: 'String'
 };
 
+const privateMethods: CreateItemOptionsMap = {};
+
+const publicMethods: CreateItemOptionsMap = {
+  chain, name, version
+};
+
+export type PrivateMethods = typeof privateMethods;
+export type PublicMethods = typeof publicMethods;
+
 /**
  * @summary Methods to retrieve system info.
  */
-export default (sname: Interface$Sections): Section<Interfaces> =>
+export default (sname: Interface$Sections): Section<Interfaces, PrivateMethods, PublicMethods> =>
   createSection(sname)((createMethod: CreateItems<Interfaces>) => ({
     description: 'Methods to retrieve system info',
     public: {
diff --git a/packages/type-jsonrpc/src/types.d.ts b/packages/type-jsonrpc/src/types.d.ts
index faed54a953..63d0189405 100644
--- a/packages/type-jsonrpc/src/types.d.ts
+++ b/packages/type-jsonrpc/src/types.d.ts
@@ -3,12 +3,16 @@
 // of the ISC license. See the LICENSE file for details.
 
 import { Section } from '@polkadot/params/types';
+import { PrivateMethods as AuthorPrivate, PublicMethods as AuthorPublic}  from './author';
+import { PrivateMethods as ChainPrivate, PublicMethods as ChainPublic}  from './chain';
+import { PrivateMethods as StatePrivate, PublicMethods as StatePublic}  from './state';
+import { PrivateMethods as SystemPrivate, PublicMethods as SystemPublic}  from './system';
 
 export type Interfaces = {
-  author: Section<Interfaces>,
-  chain: Section<Interfaces>,
-  state: Section<Interfaces>,
-  system:Section<Interfaces>
+  author: Section<Interfaces, AuthorPrivate, AuthorPrivate>,
+  chain: Section<Interfaces, ChainPrivate, ChainPublic>,
+  state: Section<Interfaces, StatePrivate, StatePublic>,
+  system: Section<Interfaces, SystemPrivate, SystemPublic>
 }
 
 export type Interface$Sections = keyof Interfaces;
diff --git a/packages/type-params/package.json b/packages/type-params/package.json
index b7945c842e..bc5d18a89f 100644
--- a/packages/type-params/package.json
+++ b/packages/type-params/package.json
@@ -37,7 +37,7 @@
     "@polkadot/extrinsics": "^0.28.11",
     "@polkadot/params": "^0.28.11",
     "@polkadot/primitives": "^0.28.11",
-    "@polkadot/util": "^0.28.1",
-    "@polkadot/util-keyring": "^0.28.1"
+    "@polkadot/util": "^0.28.2",
+    "@polkadot/util-keyring": "^0.28.2"
   }
 }
diff --git a/packages/type-params/src/decode/value/method.ts b/packages/type-params/src/decode/value/method.ts
index e9d6063055..c659bc9043 100644
--- a/packages/type-params/src/decode/value/method.ts
+++ b/packages/type-params/src/decode/value/method.ts
@@ -24,7 +24,7 @@ export default function call (decode: Decoder, input: Uint8Array | null | undefi
     } as Param$Decoded;
   }
 
-  const section: Section<Extrinsics> | undefined = Object.values(extrinsics).find(({ index }) =>
+  const section: Section<Extrinsics, any, any> | undefined = Object.values(extrinsics).find(({ index }) =>
     index[0] === input[0]
   );
 
diff --git a/packages/type-params/src/section.ts b/packages/type-params/src/section.ts
index 2a4d9f4367..ab07e641fd 100644
--- a/packages/type-params/src/section.ts
+++ b/packages/type-params/src/section.ts
@@ -8,9 +8,9 @@ import bnToU8a from '@polkadot/util/bn/toU8a';
 
 import createMethod from './method';
 
-export default function createSection <T> (name: keyof T, _index: number = 0): CreateSection<T> {
+export default function createSection <T> (name: keyof T, _index: number = 0): CreateSection<T, any, any> {
   const index = bnToU8a(_index, 8, true);
-  const creator = (optOrFn: CreateSectionOptions<T>): Section<T> => {
+  const creator = (optOrFn: CreateSectionOptions<T, any, any>): Section<T, any, any> => {
     if (typeof optOrFn === 'function') {
       return creator(
         optOrFn(
diff --git a/packages/type-params/src/types.d.ts b/packages/type-params/src/types.d.ts
index 48c6ae6ea5..eea5cd5e76 100644
--- a/packages/type-params/src/types.d.ts
+++ b/packages/type-params/src/types.d.ts
@@ -14,7 +14,7 @@ export type EncodingVersions = 'poc-1' | 'latest';
 // - @polkadot/storage/key/params.ts
 // - decode/value/index.js
 // - encode/type/index.js
-export type Param$Type = 'AccountId' | 'AccountIndex' | 'Balance' | 'BlockNumber' | 'bool' | 'Bytes' | 'Call' | 'CandidateReceipt' | 'Code' | 'Digest' | 'Gas' | 'Hash' | 'Header'  | 'KeyValue' | 'MisbehaviorReport' | 'ParachainId' | 'PropIndex' | 'Proposal' | 'ReferendumIndex' | 'SessionKey' | 'Signature' | 'StorageKey' | 'StorageKeyValue' | 'StorageResult' | 'StorageResultSet' | 'String' | 'Timestamp' | 'u32' | 'u64' | 'u128' | 'VoteIndex' | 'VoteThreshold';
+export type Param$Type = 'AccountId' | 'AccountIndex' | 'Balance' | 'BlockNumber' | 'bool' | 'Bytes' | 'Call' | 'CandidateReceipt' | 'Code' | 'Digest' | 'Gas' | 'Hash' | 'Header'  | 'KeyValue' | 'MisbehaviorReport' | 'ParachainId' | 'PrendingExtrinsics' | 'PropIndex' | 'Proposal' | 'ReferendumIndex' | 'SessionKey' | 'Signature' | 'SignedBlock' | 'StorageKey' | 'StorageKeyValue' | 'StorageResult' | 'StorageResultSet' | 'String' | 'Timestamp' | 'u32' | 'u64' | 'u128' | 'VoteIndex' | 'VoteThreshold';
 
 export type Param$Type$Array = Array<Param$Type | Array<Param$Type | Array<Param$Type>>>;
 
@@ -25,6 +25,20 @@ export type ExtrinsicDecoded = {
   params: Array<any>
 }
 
+export type BlockExtrinsicDecoded = {
+  address: string,
+  nonce: BN,
+  extrinsic: SectionItem<Extrinsics>,
+  params: Array<any>,
+  signature: Uint8Array
+}
+
+export type BlockDecoded = {
+  header: Header,
+  extrinsics: Array<BlockExtrinsicDecoded>,
+  justification: any
+};
+
 export type KeyValue = {
   key: Uint8Array,
   value: Uint8Array
@@ -68,21 +82,21 @@ export type SectionItem<T> = {
   type: Param$Types
 };
 
-export type SectionItems<T> = {
-  [index: string]: SectionItem<T>
+export type SectionItems<T, K> = {
+  [key in keyof K]: SectionItem<T>
 };
 
-export type Section<T> = {
+export type Section<T, Priv, Pub> = {
   isDeprecated: boolean,
   isHidden: boolean,
   description: string,
   index: Uint8Array,
   name: keyof T,
-  private: SectionItems<T>,
-  public: SectionItems<T>
+  private: SectionItems<T, Priv>,
+  public: SectionItems<T, Pub>
 };
 
-export type Sections<T> = Map<T, Section<T>>;
+export type Sections<T, Priv, Pub> = Map<T, Section<T, Priv, Pub>>;
 
 export type CreateItemOptions = {
   description: string,
@@ -96,20 +110,24 @@ export type CreateItemOptions = {
   type: Param$Types
 };
 
+export type CreateItemOptionsMap = {
+  [index: string]: CreateItemOptions
+};
+
 export type CreateItem<T> = (options: CreateItemOptions) => SectionItem<T>;
 
 export type CreateItems<T> = (name: string, index?: number) => CreateItem<T>;
 
-export type CreateSectionOptions$Only<T> = {
+export type CreateSectionOptions$Only<T, Priv, Pub> = {
   description: string,
   isDeprecated?: boolean,
   isHidden?: boolean,
-  'private'?: SectionItems<T>,
-  'public'?: SectionItems<T>
+  'private'?: SectionItems<T, Priv>,
+  'public'?: SectionItems<T, Pub>
 };
 
-export type CreateSectionOptions$Fn<T> = (method: CreateItems<T>) => CreateSectionOptions$Only<T>;
+export type CreateSectionOptions$Fn<T, Priv, Pub> = (method: CreateItems<T>) => CreateSectionOptions$Only<T, Priv, Pub>;
 
-export type CreateSectionOptions<T> = CreateSectionOptions$Only<T> | CreateSectionOptions$Fn<T>;
+export type CreateSectionOptions<T, Priv, Pub> = CreateSectionOptions$Only<T, Priv, Pub> | CreateSectionOptions$Fn<T, Priv, Pub>;
 
-export type CreateSection<T> = (options: CreateSectionOptions<T>) => Section<T>;
+export type CreateSection<T, Priv, Pub> = (options: CreateSectionOptions<T, Priv, Pub>) => Section<T, Priv, Pub>;
diff --git a/packages/type-primitives/package.json b/packages/type-primitives/package.json
index 36e2965eca..28e83d6973 100644
--- a/packages/type-primitives/package.json
+++ b/packages/type-primitives/package.json
@@ -34,8 +34,8 @@
   },
   "dependencies": {
     "@babel/runtime": "^7.0.0-beta.51",
-    "@polkadot/trie-hash": "^0.28.1",
-    "@polkadot/util": "^0.28.1"
+    "@polkadot/trie-hash": "^0.28.2",
+    "@polkadot/util": "^0.28.2"
   },
   "devDependencies": {
     "bn.js": "^4.11.8"
diff --git a/packages/type-primitives/src/codec/block/decode.ts b/packages/type-primitives/src/codec/block/decode.ts
new file mode 100644
index 0000000000..9098ffd8e2
--- /dev/null
+++ b/packages/type-primitives/src/codec/block/decode.ts
@@ -0,0 +1,18 @@
+// Copyright 2017-2018 @polkadot/primitives authors & contributors
+// This software may be modified and distributed under the terms
+// of the ISC license. See the LICENSE file for details.
+
+import { Block } from '../../block';
+
+import createBlock from '../../create/block';
+import decodeHeader from '../header/decode';
+import decodeRaw from './decodeRaw';
+
+export default function decodeBlock (u8a: Uint8Array): Block {
+  const { header, extrinsics } = decodeRaw(u8a);
+
+  return createBlock({
+    header: decodeHeader(header),
+    extrinsics
+  });
+}
diff --git a/packages/type-primitives/src/json/block/decode.ts b/packages/type-primitives/src/json/block/decode.ts
new file mode 100644
index 0000000000..69028ec773
--- /dev/null
+++ b/packages/type-primitives/src/json/block/decode.ts
@@ -0,0 +1,24 @@
+// Copyright 2017-2018 @polkadot/primitives authors & contributors
+// This software may be modified and distributed under the terms
+// of the ISC license. See the LICENSE file for details.
+
+import { BlockDecoded } from '@polkadot/params/types';
+import { JsonBlock } from '../types';
+
+import toU8a from '@polkadot/util/u8a/toU8a';
+
+import decodeExtrinsic from '../extrinsic/decode';
+import decodeHeader from '../header/decode';
+
+export default function blockDecode ({ block: { extrinsics, header }, justification }: JsonBlock): BlockDecoded {
+  return {
+    // TODO We should decode the justifications (and change type from any)
+    justification,
+    header: decodeHeader(header),
+    extrinsics: extrinsics.map((extrinsic) =>
+      decodeExtrinsic(
+        toU8a(extrinsic as any)
+      )
+    )
+  };
+}
diff --git a/packages/type-primitives/src/json/extrinsic/decode.ts b/packages/type-primitives/src/json/extrinsic/decode.ts
new file mode 100644
index 0000000000..4a29170ef8
--- /dev/null
+++ b/packages/type-primitives/src/json/extrinsic/decode.ts
@@ -0,0 +1,22 @@
+// Copyright 2017-2018 @polkadot/primitives authors & contributors
+// This software may be modified and distributed under the terms
+// of the ISC license. See the LICENSE file for details.
+
+import { BlockExtrinsicDecoded, ExtrinsicDecoded } from '@polkadot/params/types';
+
+import BN from 'bn.js';
+import decoder from '@polkadot/params/decode';
+
+export default function extrinsicDecode (extrinsic: Uint8Array): BlockExtrinsicDecoded {
+  const addressDecoded = decoder('AccountId', extrinsic, 'latest');
+  const nonceDecoded = decoder('AccountIndex', extrinsic.subarray(addressDecoded.length), 'latest');
+  const extrinsicDecoded = decoder('Call', extrinsic.subarray(addressDecoded.length + nonceDecoded.length), 'latest');
+  const signature = extrinsic.subarray(addressDecoded.length + nonceDecoded.length + extrinsicDecoded.length);
+
+  return {
+    ...(extrinsicDecoded.value as ExtrinsicDecoded),
+    address: addressDecoded.value as string,
+    nonce: nonceDecoded.value as BN,
+    signature
+  };
+}
diff --git a/packages/type-primitives/src/json/hash/encode.ts b/packages/type-primitives/src/json/hash/encode.ts
index 8399ec88c1..861e78743a 100644
--- a/packages/type-primitives/src/json/hash/encode.ts
+++ b/packages/type-primitives/src/json/hash/encode.ts
@@ -6,7 +6,10 @@ import { Hash } from '../../base';
 import { JsonHash } from '../types';
 
 import u8aToHex from '@polkadot/util/u8a/toHex';
+import toU8a from '@polkadot/util/u8a/toU8a';
 
-export default function hashEncode (value: Hash, bitLength: number = -1): JsonHash {
-  return u8aToHex(value);
+export default function hashEncode (value: Hash | string, bitLength: number = -1): JsonHash {
+  return u8aToHex(
+    toU8a(value)
+  );
 }
diff --git a/packages/type-primitives/src/json/types.d.ts b/packages/type-primitives/src/json/types.d.ts
index c2a08b1c35..e5b378c6c0 100644
--- a/packages/type-primitives/src/json/types.d.ts
+++ b/packages/type-primitives/src/json/types.d.ts
@@ -2,6 +2,8 @@
 // This software may be modified and distributed under the terms
 // of the ISC license. See the LICENSE file for details.
 
+import { ExtrinsicDecoded } from '@polkadot/params/types';
+
 export type JsonBnType = string;
 export type JsonHash = string;
 
@@ -44,8 +46,12 @@ export type JsonHeader = {
   digest: JsonDigest
 };
 
+export type JsonJustification = {};
+
 export type JsonBlock = {
-  header: JsonHeader,
-  timestamp: JsonU64,
-  transactions: Array<JsonUnchecked>
+  block: {
+    extrinsics: Array<Array<JsonBytes>>,
+    header: JsonHeader,
+  },
+  justification: JsonJustification
 };
diff --git a/packages/type-storage/package.json b/packages/type-storage/package.json
index a9d9d0e6d9..54a5fb5464 100644
--- a/packages/type-storage/package.json
+++ b/packages/type-storage/package.json
@@ -37,8 +37,8 @@
     "@babel/runtime": "^7.0.0-beta.51",
     "@polkadot/params": "^0.28.11",
     "@polkadot/primitives": "^0.28.11",
-    "@polkadot/util": "^0.28.1",
-    "@polkadot/util-crypto": "^0.28.1",
-    "@polkadot/util-keyring": "^0.28.1"
+    "@polkadot/util": "^0.28.2",
+    "@polkadot/util-crypto": "^0.28.2",
+    "@polkadot/util-keyring": "^0.28.2"
   }
 }
diff --git a/packages/type-storage/src/consensus.ts b/packages/type-storage/src/consensus.ts
index 6e1e159f70..952c7a176d 100644
--- a/packages/type-storage/src/consensus.ts
+++ b/packages/type-storage/src/consensus.ts
@@ -34,7 +34,7 @@ const code: CreateItemOptions = {
   type: 'Code'
 };
 
-export default (name: Storage$Sections): Section<Storages> =>
+export default (name: Storage$Sections): Section<Storages, any, any> =>
   createSection(name)((createMethod: CreateItems<Storages>) => ({
     description: 'Consensus',
     public: {
diff --git a/packages/type-storage/src/contract.ts b/packages/type-storage/src/contract.ts
index 4f10c06f5e..f4f4cfdbcb 100644
--- a/packages/type-storage/src/contract.ts
+++ b/packages/type-storage/src/contract.ts
@@ -52,7 +52,7 @@ const codeOf: CreateItemOptions = {
   type: 'Code'
 };
 
-export default (name: Storage$Sections): Section<Storages> =>
+export default (name: Storage$Sections): Section<Storages, any, any> =>
   createSection(name)((createMethod: CreateItems<Storages>) => ({
     description: 'Contract',
     public: {
diff --git a/packages/type-storage/src/council.ts b/packages/type-storage/src/council.ts
index a8b8d9d8a0..7a8f6b55e6 100644
--- a/packages/type-storage/src/council.ts
+++ b/packages/type-storage/src/council.ts
@@ -154,7 +154,7 @@ const leaderboard: CreateItemOptions = {
   type: [['Balance', 'AccountId']]
 };
 
-export default (name: keyof Storages): Section<Storages> =>
+export default (name: keyof Storages): Section<Storages, any, any> =>
   createSection(name)((createMethod: CreateItems<Storages>) => ({
     description: 'Council',
     public: {
diff --git a/packages/type-storage/src/councilVoting.ts b/packages/type-storage/src/councilVoting.ts
index 567a40fd9e..771048c983 100644
--- a/packages/type-storage/src/councilVoting.ts
+++ b/packages/type-storage/src/councilVoting.ts
@@ -66,7 +66,7 @@ const vetoedProposal: CreateItemOptions = {
   type: ['BlockNumber', 'AccountId']
 };
 
-export default (name: Storage$Sections): Section<Storages> =>
+export default (name: Storage$Sections): Section<Storages, any, any> =>
   createSection(name)((createMethod: CreateItems<Storages>) => ({
     description: 'Council voting',
     public: {
diff --git a/packages/type-storage/src/democracy.ts b/packages/type-storage/src/democracy.ts
index e24137944c..a611879df8 100644
--- a/packages/type-storage/src/democracy.ts
+++ b/packages/type-storage/src/democracy.ts
@@ -94,7 +94,7 @@ const voteOf: CreateItemOptions = {
   type: 'bool'
 };
 
-export default (name: Storage$Sections): Section<Storages> =>
+export default (name: Storage$Sections): Section<Storages, any, any> =>
   createSection(name)((createMethod: CreateItems<Storages>) => ({
     description: 'Democracy',
     public: {
diff --git a/packages/type-storage/src/parachains.ts b/packages/type-storage/src/parachains.ts
index 3bbf4d6848..2fd6ed5820 100644
--- a/packages/type-storage/src/parachains.ts
+++ b/packages/type-storage/src/parachains.ts
@@ -40,7 +40,7 @@ const didUpdate: CreateItemOptions = {
   type: 'bool'
 };
 
-export default (name: Storage$Sections): Section<Storages> =>
+export default (name: Storage$Sections): Section<Storages, any, any> =>
   createSection(name)((createMethod: CreateItems<Storages>) => ({
     description: 'Parachain related entries',
     public: {
diff --git a/packages/type-storage/src/session.ts b/packages/type-storage/src/session.ts
index 62118624af..2c0c9b8997 100644
--- a/packages/type-storage/src/session.ts
+++ b/packages/type-storage/src/session.ts
@@ -73,7 +73,7 @@ const nextLength: CreateItemOptions = {
   type: 'BlockNumber'
 };
 
-export default (name: Storage$Sections): Section<Storages> =>
+export default (name: Storage$Sections): Section<Storages, any, any> =>
   createSection(name)((createMethod: CreateItems<Storages>) => ({
     description: 'Session management information',
     public: {
diff --git a/packages/type-storage/src/staking.ts b/packages/type-storage/src/staking.ts
index eb4f1b4ba3..4f456bbb7c 100644
--- a/packages/type-storage/src/staking.ts
+++ b/packages/type-storage/src/staking.ts
@@ -197,7 +197,7 @@ const bondageOf: CreateItemOptions = {
   type: 'Balance'
 };
 
-export default (name: Storage$Sections): Section<Storages> =>
+export default (name: Storage$Sections): Section<Storages, any, any> =>
   createSection(name)((createMethod: CreateItems<Storages>) => ({
     description: 'Staking',
     public: {
diff --git a/packages/type-storage/src/system.ts b/packages/type-storage/src/system.ts
index 957a9832dc..dca2c9236e 100644
--- a/packages/type-storage/src/system.ts
+++ b/packages/type-storage/src/system.ts
@@ -70,7 +70,7 @@ const digest: CreateItemOptions = {
   type: 'Digest'
 };
 
-export default (name: Storage$Sections): Section<Storages> =>
+export default (name: Storage$Sections): Section<Storages, any, any> =>
   createSection(name)((createMethod: CreateItems<Storages>) => ({
     description: 'System',
     public: {
diff --git a/packages/type-storage/src/timestamp.ts b/packages/type-storage/src/timestamp.ts
index 06712d9304..62530015cd 100644
--- a/packages/type-storage/src/timestamp.ts
+++ b/packages/type-storage/src/timestamp.ts
@@ -28,7 +28,7 @@ const didUpdate: CreateItemOptions = {
   type: 'bool'
 };
 
-export default (name: Storage$Sections): Section<Storages> =>
+export default (name: Storage$Sections): Section<Storages, any, any> =>
   createSection(name)((createMethod: CreateItems<Storages>) => ({
     description: 'Timestamp related entries',
     public: {
diff --git a/packages/type-storage/src/types.d.ts b/packages/type-storage/src/types.d.ts
index d45c00d26c..2570de38a5 100644
--- a/packages/type-storage/src/types.d.ts
+++ b/packages/type-storage/src/types.d.ts
@@ -8,16 +8,16 @@ import { Section } from '@polkadot/params/types';
 export type Storage$Key$Value = number | BN | Uint8Array | string;
 
 export type Storages = {
-  consensus: Section<Storages>,
-  // contract: Section<Storages>,
-  council: Section<Storages>,
-  councilVoting: Section<Storages>,
-  democracy: Section<Storages>,
-  parachains: Section<Storages>,
-  session: Section<Storages>,
-  staking: Section<Storages>,
-  system: Section<Storages>,
-  timestamp: Section<Storages>
+  consensus: Section<Storages, any, any>,
+  // contract: Section<Storages, any, any>,
+  council: Section<Storages, any, any>,
+  councilVoting: Section<Storages, any, any>,
+  democracy: Section<Storages, any, any>,
+  parachains: Section<Storages, any, any>,
+  session: Section<Storages, any, any>,
+  staking: Section<Storages, any, any>,
+  system: Section<Storages, any, any>,
+  timestamp: Section<Storages, any, any>
 };
 
 export type Storage$Sections = keyof Storages;
diff --git a/yarn.lock b/yarn.lock
index 1752c4414f..8aaa51a23f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -734,50 +734,50 @@
     typedoc "^0.11.1"
     typescript "^2.9.2"
 
-"@polkadot/trie-hash@^0.28.1":
-  version "0.28.1"
-  resolved "https://registry.yarnpkg.com/@polkadot/trie-hash/-/trie-hash-0.28.1.tgz#8e220bd2280813818d6d90e4d7d826edfb0d407d"
+"@polkadot/trie-hash@^0.28.2":
+  version "0.28.2"
+  resolved "https://registry.yarnpkg.com/@polkadot/trie-hash/-/trie-hash-0.28.2.tgz#89eb0bca267a5a576bf1629a1d9b173f4ab02c50"
   dependencies:
     "@babel/runtime" "^7.0.0-beta.51"
-    "@polkadot/util" "^0.28.1"
-    "@polkadot/util-crypto" "^0.28.1"
-    "@polkadot/util-rlp" "^0.28.1"
+    "@polkadot/util" "^0.28.2"
+    "@polkadot/util-crypto" "^0.28.2"
+    "@polkadot/util-rlp" "^0.28.2"
 
 "@polkadot/ts@^0.1.10":
   version "0.1.10"
   resolved "https://registry.yarnpkg.com/@polkadot/ts/-/ts-0.1.10.tgz#784d460cf4b2e9b38bb1c77f9366dd01425f220d"
 
-"@polkadot/util-crypto@^0.28.1":
-  version "0.28.1"
-  resolved "https://registry.yarnpkg.com/@polkadot/util-crypto/-/util-crypto-0.28.1.tgz#07bef16d5b68889f96ff9b9c034b92e22bd6f63d"
+"@polkadot/util-crypto@^0.28.2":
+  version "0.28.2"
+  resolved "https://registry.yarnpkg.com/@polkadot/util-crypto/-/util-crypto-0.28.2.tgz#17bf06af6e3e57c9c6541ee4a166011dfda18434"
   dependencies:
     "@babel/runtime" "^7.0.0-beta.51"
-    "@polkadot/util" "^0.28.1"
+    "@polkadot/util" "^0.28.2"
     blakejs "^1.1.0"
     js-sha3 "^0.7.0"
     tweetnacl "^1.0.0"
     xxhashjs "^0.2.2"
 
-"@polkadot/util-keyring@^0.28.1":
-  version "0.28.1"
-  resolved "https://registry.yarnpkg.com/@polkadot/util-keyring/-/util-keyring-0.28.1.tgz#68fac78bc7154226d7e6d06acfcfaebc6232814c"
+"@polkadot/util-keyring@^0.28.2":
+  version "0.28.2"
+  resolved "https://registry.yarnpkg.com/@polkadot/util-keyring/-/util-keyring-0.28.2.tgz#a391e785a0710518be349f0ca2d688c89879a69d"
   dependencies:
     "@babel/runtime" "^7.0.0-beta.51"
-    "@polkadot/util" "^0.28.1"
-    "@polkadot/util-crypto" "^0.28.1"
+    "@polkadot/util" "^0.28.2"
+    "@polkadot/util-crypto" "^0.28.2"
     "@types/bs58" "^3.0.30"
     bs58 "^4.0.1"
 
-"@polkadot/util-rlp@^0.28.1":
-  version "0.28.1"
-  resolved "https://registry.yarnpkg.com/@polkadot/util-rlp/-/util-rlp-0.28.1.tgz#101cecbb30223fc3b66bd3448371eb5404d46ac6"
+"@polkadot/util-rlp@^0.28.2":
+  version "0.28.2"
+  resolved "https://registry.yarnpkg.com/@polkadot/util-rlp/-/util-rlp-0.28.2.tgz#21c326cdca437b1b31a44bbbf26bf9adcac4fb7f"
   dependencies:
     "@babel/runtime" "^7.0.0-beta.51"
-    "@polkadot/util" "^0.28.1"
+    "@polkadot/util" "^0.28.2"
 
-"@polkadot/util@^0.28.1":
-  version "0.28.1"
-  resolved "https://registry.yarnpkg.com/@polkadot/util/-/util-0.28.1.tgz#7c566cc46741c422d93f535fbd27db4e6eff5f80"
+"@polkadot/util@^0.28.2":
+  version "0.28.2"
+  resolved "https://registry.yarnpkg.com/@polkadot/util/-/util-0.28.2.tgz#59fb5a0f3f34d73520a5e0ac54f55ccfde94a8b5"
   dependencies:
     "@babel/runtime" "^7.0.0-beta.51"
     "@types/bn.js" "^4.11.1"