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-rw-r--r--packages/dev-utils/src/blockchain_lifecycle.ts54
1 files changed, 45 insertions, 9 deletions
diff --git a/packages/dev-utils/src/blockchain_lifecycle.ts b/packages/dev-utils/src/blockchain_lifecycle.ts
index 3e35de861..8e4ad81c7 100644
--- a/packages/dev-utils/src/blockchain_lifecycle.ts
+++ b/packages/dev-utils/src/blockchain_lifecycle.ts
@@ -1,6 +1,12 @@
-import { Web3Wrapper } from '@0xproject/web3-wrapper';
+import { uniqueVersionIds, Web3Wrapper } from '@0xproject/web3-wrapper';
+import * as _ from 'lodash';
import * as Web3 from 'web3';
+enum NodeType {
+ Geth = 'GETH',
+ Ganache = 'GANACHE',
+}
+
export class BlockchainLifecycle {
private _web3Wrapper: Web3Wrapper;
private _snapshotIdsStack: number[];
@@ -8,17 +14,47 @@ export class BlockchainLifecycle {
this._web3Wrapper = web3Wrapper;
this._snapshotIdsStack = [];
}
- // TODO: In order to run these tests on an actual node, we should check if we are running against
- // TestRPC, if so, use snapshots, otherwise re-deploy contracts before every test
public async startAsync(): Promise<void> {
- const snapshotId = await this._web3Wrapper.takeSnapshotAsync();
- this._snapshotIdsStack.push(snapshotId);
+ const nodeType = await this._getNodeTypeAsync();
+ switch (nodeType) {
+ case NodeType.Ganache:
+ const snapshotId = await this._web3Wrapper.takeSnapshotAsync();
+ this._snapshotIdsStack.push(snapshotId);
+ break;
+ case NodeType.Geth:
+ const blockNumber = await this._web3Wrapper.getBlockNumberAsync();
+ this._snapshotIdsStack.push(blockNumber);
+ break;
+ default:
+ throw new Error(`Unknown node type: ${nodeType}`);
+ }
}
public async revertAsync(): Promise<void> {
- const snapshotId = this._snapshotIdsStack.pop() as number;
- const didRevert = await this._web3Wrapper.revertSnapshotAsync(snapshotId);
- if (!didRevert) {
- throw new Error(`Snapshot with id #${snapshotId} failed to revert`);
+ const nodeType = await this._getNodeTypeAsync();
+ switch (nodeType) {
+ case NodeType.Ganache:
+ const snapshotId = this._snapshotIdsStack.pop() as number;
+ const didRevert = await this._web3Wrapper.revertSnapshotAsync(snapshotId);
+ if (!didRevert) {
+ throw new Error(`Snapshot with id #${snapshotId} failed to revert`);
+ }
+ break;
+ case NodeType.Geth:
+ const blockNumber = this._snapshotIdsStack.pop() as number;
+ await this._web3Wrapper.setHeadAsync(blockNumber);
+ break;
+ default:
+ throw new Error(`Unknown node type: ${nodeType}`);
+ }
+ }
+ private async _getNodeTypeAsync(): Promise<NodeType> {
+ const version = await this._web3Wrapper.getNodeVersionAsync();
+ if (_.includes(version, uniqueVersionIds.geth)) {
+ return NodeType.Geth;
+ } else if (_.includes(version, uniqueVersionIds.ganache)) {
+ return NodeType.Ganache;
+ } else {
+ throw new Error(`Unknown client version: ${version}`);
}
}
}