Added saving to database

packages/pipeline/migrations/1549856835629-CreateSlippageTable.ts

@@ -0,0 +1,28 @@
+import {MigrationInterface, QueryRunner, Table} from "typeorm";
+
+const slippage = new Table({
+    name: 'raw.slippage',
+    columns: [
+        { name: 'observed_timestamp', type: 'bigint', isPrimary: true },
+        { name: 'symbol', type: 'varchar', isPrimary: true },
+        { name: 'exchange', type: 'varchar', isPrimary: true },
+        { name: 'usd_amount', type: 'numeric', isPrimary: true },
+
+        { name: 'token_amount', type: 'numeric', isNullable: false },
+        { name: 'avg_price_in_eth_buy', type: 'numeric', isNullable: true },
+        { name: 'avg_price_in_eth_sell', type: 'numeric', isNullable: true },
+        { name: 'slippage', type: 'numeric', isNullable: true },
+    ],
+});
+
+export class CreateSlippageTable1549856835629 implements MigrationInterface {
+
+    public async up(queryRunner: QueryRunner): Promise<any> {
+        await queryRunner.createTable(slippage);
+    }
+
+    public async down(queryRunner: QueryRunner): Promise<any> {
+        await queryRunner.dropTable(slippage);
+    }
+
+}