Allow blake2 & parity-codec in trie (#251)

* Start codec implementation

* Expose all constants

* NodeHeader encoding/decoding

* Encoding in NodeHeader

* Constants for Node types

* Moce codec to trie-codec

* Encode/decode in place (untested)

* WIP, tests starting to be put in place

* One passing test :)

* Another test bites the dust...

* One more test down...

* One more down

* Additional tests

* Formatting

* Long keys passing

* Trie tests

* Follow the script, no all-in-all encoder

* First simple trie test passing

* Another one down

* Extra checks remove (debug)

* 80% there with tests...

* One more, one left

* Trie tests passing

* ISC -> Apache-2.0

* Add compact util functions

* Tests to TypeScript

* Remove @polkadot/types deps, ethereum stub

* Bump

* Genesis tests with chainspecs

* Cleanup tests (ease of debugging)

* Substrate test passes, branch fails (again)

* Checks passing, tests passing

* Re-add Ethereum & snapshot tests (not passing atm)

* Re-add index test (also not 100%)

* Mid-way in generic trie-root

* Cleanup ethereumjs-testing definitions

* Update deps

* Less intrusive renames in trie-hash

* Self-review cleanups #1

* asNibbles -> toNibbles

* Cleanups

* Expand tests

* Cleanup imports

* Fix logger test (fly-by refactor)

* Update snapshot test

packages/chainspec/src/types.d.ts

@@ -0,0 +1,20 @@
+// Copyright 2017-2018 @polkadot/chainspec authors & contributors
+// This software may be modified and distributed under the terms
+// of the Apache-2.0 license. See the LICENSE file for details.
+
+export type Chainspec = {
+  bootNodes: Array<string>,
+  id: string,
+  genesis: {
+    raw: {
+      [index: string]: string
+    }
+  },
+  genesisRoot: string,
+  name: string,
+  properties: {
+    [index: string]: string
+  },
+  protocolId: null,
+  telemetryUrl: string,
+};