Merge branch 'v2-prototype' into fix/five_decimal_scenario

* v2-prototype: (75 commits)
  Update relayer grid tiles to use Text
  Fix build
  Update file structure
  Update 2.0.0 artifacts
  Move ledgerhq module declarations to typescript-typings
  Export LedgerEthereumClient type in subproviders
  Update artifacts
  Add logging and updated artifacts
  Fix migrations
  Run prettier
  Add Kovan artifacts
  Use ledger subprovider
  Add Kovan migrations
  Remove state variable from Link component in Portal
  Make registerAssetProxy append only
  Update staging api link
  Change getTransactionReceipt to awaitTransactionMined
  Move /docs route to the end
  Remove extra call to scrollIntoView for wallet in onboarding
  Update expectRevertReasonOrAlwaysFailingTransactionAsync to check status codes
  ...

3 files changed, 75 insertions, 0 deletions

diff --git a/packages/migrations/src/utils/artifact_writer.ts b/packages/migrations/src/utils/artifact_writer.ts
new file mode 100644
index 000000000..2da5a09dd
--- /dev/null
+++ b/packages/migrations/src/utils/artifact_writer.ts
@@ -0,0 +1,26 @@
+import { BaseContract } from '@0xproject/base-contract';
+import { ContractArtifact } from '@0xproject/sol-compiler';
+import * as fs from 'fs';
+import * as path from 'path';
+
+export class ArtifactWriter {
+    private _artifactsDir: string;
+    private _networkId: number;
+    constructor(artifactsDir: string, networkId: number) {
+        this._artifactsDir = artifactsDir;
+        this._networkId = networkId;
+    }
+    // This updates the artifact file but does not update the `artifacts` module above. It will not
+    // contain the saved artifact changes.
+    public saveArtifact(contract: BaseContract): void {
+        const contractName = contract.contractName;
+        const artifactFile = path.join(this._artifactsDir, `${contractName}.json`);
+        const artifact: ContractArtifact = JSON.parse(fs.readFileSync(artifactFile).toString());
+        artifact.networks[this._networkId] = {
+            address: contract.address,
+            links: {},
+            constructorArgs: JSON.stringify(contract.constructorArgs),
+        };
+        fs.writeFileSync(artifactFile, JSON.stringify(artifact, null, '\t'));
+    }
+}
diff --git a/packages/migrations/src/utils/constants.ts b/packages/migrations/src/utils/constants.ts
new file mode 100644
index 000000000..068122e28
--- /dev/null
+++ b/packages/migrations/src/utils/constants.ts
@@ -0,0 +1,16 @@
+import { BigNumber } from '@0xproject/utils';
+
+export const constants = {
+    ASSET_PROXY_OWNER_OWNERS: [
+        '0x9df8137872ac09a8fee71d0da5c7539923fb9bf0',
+        '0xcf34d44db312d188789f43a63d11cf2bebb4da15',
+        '0x73fd50f2a6beac9cdac9fe87ef68a18edc415831',
+    ],
+    ASSET_PROXY_OWNER_TIMELOCK: new BigNumber(0),
+    ASSET_PROXY_OWNER_CONFIRMATIONS: new BigNumber(1),
+    ERC20_PROXY_ID: '0xf47261b0',
+    ERC721_PROXY_ID: '0x08e937fa',
+    NULL_ADDRESS: '0x0000000000000000000000000000000000000000',
+    RPC_URL: 'http://localhost:8545',
+    KOVAN_NETWORK_ID: 42,
+};
diff --git a/packages/migrations/src/utils/provider_factory.ts b/packages/migrations/src/utils/provider_factory.ts
new file mode 100644
index 000000000..7a217b1e0
--- /dev/null
+++ b/packages/migrations/src/utils/provider_factory.ts
@@ -0,0 +1,33 @@
+import { LedgerEthereumClient, LedgerSubprovider } from '@0xproject/subproviders';
+import Eth from '@ledgerhq/hw-app-eth';
+// tslint:disable:no-implicit-dependencies
+import TransportNodeHid from '@ledgerhq/hw-transport-node-hid';
+import { Provider } from 'ethereum-types';
+import ProviderEngine = require('web3-provider-engine');
+import RpcSubprovider = require('web3-provider-engine/subproviders/rpc');
+
+import { constants } from './constants';
+
+async function ledgerEthereumNodeJsClientFactoryAsync(): Promise<LedgerEthereumClient> {
+    const ledgerConnection = await TransportNodeHid.create();
+    const ledgerEthClient = new Eth(ledgerConnection);
+    return ledgerEthClient;
+}
+export const providerFactory = {
+    async getLedgerProviderAsync(): Promise<Provider> {
+        const provider = new ProviderEngine();
+        const ledgerWalletConfigs = {
+            networkId: constants.KOVAN_NETWORK_ID,
+            ledgerEthereumClientFactoryAsync: ledgerEthereumNodeJsClientFactoryAsync,
+        };
+        const ledgerSubprovider = new LedgerSubprovider(ledgerWalletConfigs);
+        provider.addProvider(ledgerSubprovider);
+        provider.addProvider(
+            new RpcSubprovider({
+                rpcUrl: constants.RPC_URL,
+            }),
+        );
+        provider.start();
+        return provider;
+    },
+};