Merge branch 'development' into features/orderwatcher_ws

* development: (107 commits)
  Fix OrderWatcher title to fix sidebar top
  Fix version picker so it doesn't overflow onto two lines
  Fix bug in pull_missing_blocks with incorrect start block (#1438)
  Pull approval events for ZRX and DAI (#1430)
  fix semicolon and apply prettier
  Fix dex order quote/base asset assigning (#1432)
  Apply prettier
  Publish
  Updated CHANGELOGS
  Rename contracts CHANGELOGs to DEPLOYs
  Move Forwarder CHANGELOG entries to extensions CHANGELOG
  Make contracts packages not private
  Publish
  Updated CHANGELOGS
  Show @ price in light grey
  Updated CHANGELOGS
  typeof -> isString
  add special case to scrape OHLCV for eth/usd (#1428)
  run linter
  simplify scaling input logic
  ...

1 files changed, 26 insertions, 0 deletions

diff --git a/packages/pipeline/migrations/1544131464368-CreateERC20ApprovalEvents.ts b/packages/pipeline/migrations/1544131464368-CreateERC20ApprovalEvents.ts
new file mode 100644
index 000000000..2e84e0ec8
--- /dev/null
+++ b/packages/pipeline/migrations/1544131464368-CreateERC20ApprovalEvents.ts
@@ -0,0 +1,26 @@
+import { MigrationInterface, QueryRunner, Table } from 'typeorm';
+
+const erc20ApprovalEvents = new Table({
+    name: 'raw.erc20_approval_events',
+    columns: [
+        { name: 'token_address', type: 'varchar(42)', isPrimary: true },
+        { name: 'log_index', type: 'integer', isPrimary: true },
+        { name: 'block_number', type: 'bigint', isPrimary: true },
+
+        { name: 'raw_data', type: 'varchar' },
+        { name: 'transaction_hash', type: 'varchar' },
+        { name: 'owner_address', type: 'varchar(42)' },
+        { name: 'spender_address', type: 'varchar(42)' },
+        { name: 'amount', type: 'numeric' },
+    ],
+});
+
+export class CreateERC20TokenApprovalEvents1544131464368 implements MigrationInterface {
+    public async up(queryRunner: QueryRunner): Promise<any> {
+        await queryRunner.createTable(erc20ApprovalEvents);
+    }
+
+    public async down(queryRunner: QueryRunner): Promise<any> {
+        await queryRunner.dropTable(erc20ApprovalEvents);
+    }
+}