Add chain_getBlock & author_pendingExtrinsics (#132)

* Add chain_getBlock & author_pendingExtrinsics

* Remove sample

* TSLint

Author: jacogr

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"
   }
 }

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]
 ]);