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-rw-r--r--packages/contracts/test/utils/assertions.ts10
-rw-r--r--packages/dev-utils/src/blockchain_lifecycle.ts12
-rw-r--r--packages/web3-wrapper/src/web3_wrapper.ts9
3 files changed, 19 insertions, 12 deletions
diff --git a/packages/contracts/test/utils/assertions.ts b/packages/contracts/test/utils/assertions.ts
index c8031c8a1..112a470f6 100644
--- a/packages/contracts/test/utils/assertions.ts
+++ b/packages/contracts/test/utils/assertions.ts
@@ -9,12 +9,16 @@ import { web3Wrapper } from './web3_wrapper';
const expect = chai.expect;
+let nodeType: NodeType | undefined;
+
// Represents the return value of a `sendTransaction` call. The Promise should
// resolve with either a transaction receipt or a transaction hash.
export type sendTransactionResult = Promise<TransactionReceipt | TransactionReceiptWithDecodedLogs | string>;
async function _getGanacheOrGethError(ganacheError: string, gethError: string): Promise<string> {
- const nodeType = await web3Wrapper.getNodeTypeAsync();
+ if (_.isUndefined(nodeType)) {
+ nodeType = await web3Wrapper.getNodeTypeAsync();
+ }
switch (nodeType) {
case NodeType.Ganache:
return ganacheError;
@@ -68,7 +72,9 @@ export async function expectTransactionFailedAsync(p: sendTransactionResult, rea
_.noop(e);
});
- const nodeType = await web3Wrapper.getNodeTypeAsync();
+ if (_.isUndefined(nodeType)) {
+ nodeType = await web3Wrapper.getNodeTypeAsync();
+ }
switch (nodeType) {
case NodeType.Ganache:
return expect(p).to.be.rejectedWith(reason);
diff --git a/packages/dev-utils/src/blockchain_lifecycle.ts b/packages/dev-utils/src/blockchain_lifecycle.ts
index abca6d386..9bd65ee5d 100644
--- a/packages/dev-utils/src/blockchain_lifecycle.ts
+++ b/packages/dev-utils/src/blockchain_lifecycle.ts
@@ -1,5 +1,6 @@
import { logUtils } from '@0xproject/utils';
import { NodeType, Web3Wrapper } from '@0xproject/web3-wrapper';
+import * as _ from 'lodash';
// HACK(albrow): 🐉 We have to do this so that debug.setHead works correctly.
// (Geth does not seem to like debug.setHead(0), so by sending some transactions
@@ -12,12 +13,13 @@ export class BlockchainLifecycle {
private _web3Wrapper: Web3Wrapper;
private _snapshotIdsStack: number[];
private _addresses: string[] = [];
+ private _nodeType: NodeType | undefined;
constructor(web3Wrapper: Web3Wrapper) {
this._web3Wrapper = web3Wrapper;
this._snapshotIdsStack = [];
}
public async startAsync(): Promise<void> {
- const nodeType = await this._web3Wrapper.getNodeTypeAsync();
+ const nodeType = await this._getNodeTypeAsync();
switch (nodeType) {
case NodeType.Ganache:
const snapshotId = await this._web3Wrapper.takeSnapshotAsync();
@@ -38,7 +40,7 @@ export class BlockchainLifecycle {
}
}
public async revertAsync(): Promise<void> {
- const nodeType = await this._web3Wrapper.getNodeTypeAsync();
+ const nodeType = await this._getNodeTypeAsync();
switch (nodeType) {
case NodeType.Ganache:
const snapshotId = this._snapshotIdsStack.pop() as number;
@@ -76,4 +78,10 @@ export class BlockchainLifecycle {
}
logUtils.warn('Done mining the minimum number of blocks.');
}
+ private async _getNodeTypeAsync(): Promise<NodeType> {
+ if (_.isUndefined(this._nodeType)) {
+ this._nodeType = await this._web3Wrapper.getNodeTypeAsync();
+ }
+ return this._nodeType;
+ }
}
diff --git a/packages/web3-wrapper/src/web3_wrapper.ts b/packages/web3-wrapper/src/web3_wrapper.ts
index c2754a13e..b79ade278 100644
--- a/packages/web3-wrapper/src/web3_wrapper.ts
+++ b/packages/web3-wrapper/src/web3_wrapper.ts
@@ -49,7 +49,6 @@ export class Web3Wrapper {
private _web3: Web3;
private _txDefaults: Partial<TxData>;
private _jsonRpcRequestId: number;
- private _nodeType: NodeType | undefined;
/**
* Check if an address is a valid Ethereum address
* @param address Address to check
@@ -498,19 +497,13 @@ export class Web3Wrapper {
}
/**
* Returns either NodeType.Geth or NodeType.Ganache depending on the type of
- * the backing Ethereum node. Throws for any other type of node. This
- * function caches the result and so subsequent calls are fast.
+ * the backing Ethereum node. Throws for any other type of node.
*/
public async getNodeTypeAsync(): Promise<NodeType> {
- if (!_.isUndefined(this._nodeType)) {
- return this._nodeType;
- }
const version = await this.getNodeVersionAsync();
if (_.includes(version, uniqueVersionIds.geth)) {
- this._nodeType = NodeType.Geth;
return NodeType.Geth;
} else if (_.includes(version, uniqueVersionIds.ganache)) {
- this._nodeType = NodeType.Ganache;
return NodeType.Ganache;
} else {
throw new Error(`Unknown client version: ${version}`);