Introduce framework for running basic tests for entities (#1344)

* Introduce framework for running basic tests for entities

* Add pipeline tests to CircleCI config

* Make pipeline tests more configurable and fix CircleCI config

* Add coverage dir to pipeline package

* Add basic tests for all exchange event entities

* Add tests for remaining entities

* Create separate test scripts in package.json and add new info to README

* Update db_setup.ts to revert migrations even if you are using docker

* Automatically pull the postgres image if needed

* Add comment about why NumberToBigIntTransformer is needed

1 files changed, 5 insertions, 3 deletions

diff --git a/packages/pipeline/src/entities/transaction.ts b/packages/pipeline/src/entities/transaction.ts
index dd2143df5..91e4ecb5d 100644
--- a/packages/pipeline/src/entities/transaction.ts
+++ b/packages/pipeline/src/entities/transaction.ts
@@ -1,16 +1,18 @@
 import { Column, Entity, PrimaryColumn } from 'typeorm';
 
+import { numberToBigIntTransformer } from '../utils';
+
 @Entity({ name: 'transactions', schema: 'raw' })
 export class Transaction {
     @PrimaryColumn({ name: 'transaction_hash' })
     public transactionHash!: string;
     @PrimaryColumn({ name: 'block_hash' })
     public blockHash!: string;
-    @PrimaryColumn({ name: 'block_number' })
+    @PrimaryColumn({ name: 'block_number', transformer: numberToBigIntTransformer })
     public blockNumber!: number;
 
-    @Column({ type: 'bigint', name: 'gas_used' })
+    @Column({ type: 'bigint', name: 'gas_used', transformer: numberToBigIntTransformer })
     public gasUsed!: number;
-    @Column({ type: 'bigint', name: 'gas_price' })
+    @Column({ type: 'bigint', name: 'gas_price', transformer: numberToBigIntTransformer })
     public gasPrice!: number;
 }