Merge branch 'development' into feature/portal-ledger-support

* development: (437 commits)
  Publish
  Update yarn.lock
  Update the CHANGELOG
  Fix the bug making it impossible to specify the custom ZRX address
  Fix fill/cancel order by looking for NoError instead of empty blockchainErr given the BlockchainErrs type refactor
  Add a comment about a yarn bug
  Add our mainnet and kovan nodes as backups for Portal requests
  Fix bug hiding the user info from topBar
  Add dev-utils package to top level README
  Prettier newline
  Prettier
  Allow Token symbols to be alphanumeric
  Update CHANGELOG, rebase on development
  Should not -> cannot
  Reject negative amounts in isValidBaseUnitAmount
  Re-add changelog for 0x.js
  Fix prettier
  Update yarn.lock
  Move tests to a separate folder
  Change file layout
  ...

# Conflicts:
#	packages/website/README.md

3 files changed, 140 insertions, 0 deletions

diff --git a/packages/deployer/src/migrations/config/multisig_sample.ts b/packages/deployer/src/migrations/config/multisig_sample.ts
new file mode 100644
index 000000000..dabeb7a4f
--- /dev/null
+++ b/packages/deployer/src/migrations/config/multisig_sample.ts
@@ -0,0 +1,10 @@
+import { MultiSigConfigByNetwork } from '../../types';
+
+// Make a copy of this file named `multisig.js` and input custom params as needed
+export const multiSig: MultiSigConfigByNetwork = {
+    kovan: {
+        owners: [],
+        confirmationsRequired: 0,
+        secondsRequired: 0,
+    },
+};
diff --git a/packages/deployer/src/migrations/config/token_info.ts b/packages/deployer/src/migrations/config/token_info.ts
new file mode 100644
index 000000000..7e822fc3b
--- /dev/null
+++ b/packages/deployer/src/migrations/config/token_info.ts
@@ -0,0 +1,40 @@
+import { constants } from '../../utils/constants';
+import { Token } from '../../types';
+
+export const tokenInfo: Token[] = [
+    {
+        name: 'Augur Reputation Token',
+        symbol: 'REP',
+        decimals: 18,
+        ipfsHash: constants.NULL_BYTES,
+        swarmHash: constants.NULL_BYTES,
+    },
+    {
+        name: 'Digix DAO Token',
+        symbol: 'DGD',
+        decimals: 18,
+        ipfsHash: constants.NULL_BYTES,
+        swarmHash: constants.NULL_BYTES,
+    },
+    {
+        name: 'Golem Network Token',
+        symbol: 'GNT',
+        decimals: 18,
+        ipfsHash: constants.NULL_BYTES,
+        swarmHash: constants.NULL_BYTES,
+    },
+    {
+        name: 'MakerDAO',
+        symbol: 'MKR',
+        decimals: 18,
+        ipfsHash: constants.NULL_BYTES,
+        swarmHash: constants.NULL_BYTES,
+    },
+    {
+        name: 'Melon Token',
+        symbol: 'MLN',
+        decimals: 18,
+        ipfsHash: constants.NULL_BYTES,
+        swarmHash: constants.NULL_BYTES,
+    },
+];
diff --git a/packages/deployer/src/migrations/migrate.ts b/packages/deployer/src/migrations/migrate.ts
new file mode 100644
index 000000000..393806b45
--- /dev/null
+++ b/packages/deployer/src/migrations/migrate.ts
@@ -0,0 +1,90 @@
+import { BigNumber } from '@0xproject/utils';
+import { Web3Wrapper } from '@0xproject/web3-wrapper';
+import * as _ from 'lodash';
+
+import { Deployer } from '../deployer';
+import { constants } from '../utils/constants';
+import { tokenInfo } from './config/token_info';
+
+export const migrator = {
+    /**
+     * Custom migrations should be defined in this function. This will be called with the CLI 'migrate' command.
+     * Some operations might be completed in parallel, but we don't do that on purpose.
+     * That way the addresses are deterministic.
+     * @param deployer Deployer instance.
+     */
+    async runMigrationsAsync(deployer: Deployer): Promise<void> {
+        const web3Wrapper: Web3Wrapper = deployer.web3Wrapper;
+        const accounts: string[] = await web3Wrapper.getAvailableAddressesAsync();
+
+        const tokenTransferProxy = await deployer.deployAndSaveAsync('TokenTransferProxy');
+        const zrxToken = await deployer.deployAndSaveAsync('ZRXToken');
+        const etherToken = await deployer.deployAndSaveAsync('WETH9');
+        const tokenReg = await deployer.deployAndSaveAsync('TokenRegistry');
+
+        const exchangeArgs = [zrxToken.address, tokenTransferProxy.address];
+        const owners = [accounts[0], accounts[1]];
+        const confirmationsRequired = new BigNumber(2);
+        const secondsRequired = new BigNumber(0);
+        const multiSigArgs = [owners, confirmationsRequired, secondsRequired, tokenTransferProxy.address];
+        const exchange = await deployer.deployAndSaveAsync('Exchange', exchangeArgs);
+        const multiSig = await deployer.deployAndSaveAsync(
+            'MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddress',
+            multiSigArgs,
+        );
+
+        const owner = accounts[0];
+        await tokenTransferProxy.addAuthorizedAddress.sendTransactionAsync(exchange.address, { from: owner });
+        await tokenTransferProxy.transferOwnership.sendTransactionAsync(multiSig.address, { from: owner });
+        const addTokenGasEstimate = await tokenReg.addToken.estimateGasAsync(
+            zrxToken.address,
+            tokenInfo[0].name,
+            tokenInfo[0].symbol,
+            tokenInfo[0].decimals,
+            tokenInfo[0].ipfsHash,
+            tokenInfo[0].swarmHash,
+            { from: owner },
+        );
+        await tokenReg.addToken.sendTransactionAsync(
+            zrxToken.address,
+            '0x Protocol Token',
+            'ZRX',
+            18,
+            constants.NULL_BYTES,
+            constants.NULL_BYTES,
+            {
+                from: owner,
+                gas: addTokenGasEstimate,
+            },
+        );
+        await tokenReg.addToken.sendTransactionAsync(
+            etherToken.address,
+            'Ether Token',
+            'WETH',
+            18,
+            constants.NULL_BYTES,
+            constants.NULL_BYTES,
+            {
+                from: owner,
+                gas: addTokenGasEstimate,
+            },
+        );
+        for (const token of tokenInfo) {
+            const totalSupply = new BigNumber(0);
+            const args = [token.name, token.symbol, token.decimals, totalSupply];
+            const dummyToken = await deployer.deployAsync('DummyToken', args);
+            await tokenReg.addToken.sendTransactionAsync(
+                dummyToken.address,
+                token.name,
+                token.symbol,
+                token.decimals,
+                token.ipfsHash,
+                token.swarmHash,
+                {
+                    from: owner,
+                    gas: addTokenGasEstimate,
+                },
+            );
+        }
+    },
+};