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

1 files changed, 20 insertions, 0 deletions

diff --git a/packages/deployer/src/utils/encoder.ts b/packages/deployer/src/utils/encoder.ts
new file mode 100644
index 000000000..d5f807774
--- /dev/null
+++ b/packages/deployer/src/utils/encoder.ts
@@ -0,0 +1,20 @@
+import * as _ from 'lodash';
+import * as Web3 from 'web3';
+import * as web3Abi from 'web3-eth-abi';
+
+import { AbiType } from './types';
+
+export const encoder = {
+    encodeConstructorArgsFromAbi(args: any[], abi: Web3.ContractAbi): string {
+        const constructorTypes: string[] = [];
+        _.each(abi, (element: Web3.AbiDefinition) => {
+            if (element.type === AbiType.Constructor) {
+                _.each(element.inputs, (input: Web3.FunctionParameter) => {
+                    constructorTypes.push(input.type);
+                });
+            }
+        });
+        const encodedParameters = web3Abi.encodeParameters(constructorTypes, args);
+        return encodedParameters;
+    },
+};