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authorLeonid <logvinov.leon@gmail.com>2017-11-22 03:24:47 +0800
committerGitHub <noreply@github.com>2017-11-22 03:24:47 +0800
commit415fd101d3b699304085dfdcee29ebffe0d5544b (patch)
treec81ccb5f0da0d7077e463bb4c158090f1081bb30 /packages/0x.js
parent037f466e1f80f635b48f3235258402e2ce75fb7b (diff)
parent0747e162fa41a281d1fdce60cad494e265d09bb0 (diff)
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Merge pull request #231 from 0xProject/fix/logsPostFormatting
Add postFormatter for logs
Diffstat (limited to 'packages/0x.js')
-rw-r--r--packages/0x.js/CHANGELOG.md11
-rw-r--r--packages/0x.js/src/web3_wrapper.ts34
-rw-r--r--packages/0x.js/test/token_wrapper_test.ts3
3 files changed, 40 insertions, 8 deletions
diff --git a/packages/0x.js/CHANGELOG.md b/packages/0x.js/CHANGELOG.md
index 6245308c3..26e5f528b 100644
--- a/packages/0x.js/CHANGELOG.md
+++ b/packages/0x.js/CHANGELOG.md
@@ -2,18 +2,19 @@
vx.x.x
------------------------
- * Remove support for Async callback types when used in Subscribe functions
+ * Add post-formatter for logs converting `blockNumber`, `logIndex`, `transactionIndex` from hexes to numbers (#231)
+ * Remove support for Async callback types when used in Subscribe functions (#222)
* In OrderWatcher subscribe to ZRX Token Transfer and Approval events when maker token is different (#225)
v0.25.1 - _November 13, 2017_
------------------------
- * Standardise on Cancelled over Canceled
- * Add missing `DecodedLogEvent` type to exported types
- * Normalized the transactionReceipt status to be `null|0|1`, 1 meaning transaction execution successful, 0 unsuccessful and `null` if it is a pre-byzantinium transaction.
+ * Standardise on Cancelled over Canceled (#217)
+ * Add missing `DecodedLogEvent` type to exported types (#205)
+ * Normalized the transactionReceipt status to be `null|0|1`, 1 meaning transaction execution successful, 0 unsuccessful and `null` if it is a pre-byzantinium transaction. (#200)
v0.23.0 - _November 12, 2017_
------------------------
- * Fixed unhandled promise rejection error in subscribe methods (#209)
+ * Fixed unhandled promise rejection error in subscribe methods (#209)
* Subscribe callbacks now receive an error object as their first argument
v0.22.6 - _November 10, 2017_
diff --git a/packages/0x.js/src/web3_wrapper.ts b/packages/0x.js/src/web3_wrapper.ts
index c937f9288..f6b6ca09a 100644
--- a/packages/0x.js/src/web3_wrapper.ts
+++ b/packages/0x.js/src/web3_wrapper.ts
@@ -5,6 +5,17 @@ import promisify = require('es6-promisify');
import {ZeroExError, Artifact, TransactionReceipt} from './types';
import {Contract} from './contract';
+interface RawLogEntry {
+ logIndex: string|null;
+ transactionIndex: string|null;
+ transactionHash: string;
+ blockHash: string|null;
+ blockNumber: string|null;
+ address: string;
+ data: string;
+ topics: string[];
+}
+
export class Web3Wrapper {
private web3: Web3;
private defaults: Partial<Web3.TxData>;
@@ -137,8 +148,9 @@ export class Web3Wrapper {
method: 'eth_getLogs',
params: [serializedFilter],
};
- const logs = await this.sendRawPayloadAsync(payload);
- return logs;
+ const rawLogs = await this.sendRawPayloadAsync<RawLogEntry[]>(payload);
+ const formattedLogs = _.map(rawLogs, this.formatLog.bind(this));
+ return formattedLogs;
}
private getContractInstance<A extends Web3.ContractInstance>(abi: Web3.ContractAbi, address: string): A {
const web3ContractInstance = this.web3.eth.contract(abi).at(address);
@@ -149,7 +161,7 @@ export class Web3Wrapper {
const networkId = await promisify(this.web3.version.getNetwork)();
return networkId;
}
- private async sendRawPayloadAsync(payload: Web3.JSONRPCRequestPayload): Promise<any> {
+ private async sendRawPayloadAsync<A>(payload: Web3.JSONRPCRequestPayload): Promise<A> {
const sendAsync = this.web3.currentProvider.sendAsync.bind(this.web3.currentProvider);
const response = await promisify(sendAsync)(payload);
const result = response.result;
@@ -169,4 +181,20 @@ export class Web3Wrapper {
return status;
}
}
+ private formatLog(rawLog: RawLogEntry): Web3.LogEntry {
+ const formattedLog = {
+ ...rawLog,
+ logIndex: this.hexToDecimal(rawLog.logIndex),
+ blockNumber: this.hexToDecimal(rawLog.blockNumber),
+ transactionIndex: this.hexToDecimal(rawLog.transactionIndex),
+ };
+ return formattedLog;
+ }
+ private hexToDecimal(hex: string|null): number|null {
+ if (_.isNull(hex)) {
+ return null;
+ }
+ const decimal = this.web3.toDecimal(hex);
+ return decimal;
+ }
}
diff --git a/packages/0x.js/test/token_wrapper_test.ts b/packages/0x.js/test/token_wrapper_test.ts
index b30762e8c..c32c528e6 100644
--- a/packages/0x.js/test/token_wrapper_test.ts
+++ b/packages/0x.js/test/token_wrapper_test.ts
@@ -361,6 +361,9 @@ describe('TokenWrapper', () => {
(async () => {
const callback = (err: Error, logEvent: DecodedLogEvent<TransferContractEventArgs>) => {
expect(logEvent).to.not.be.undefined();
+ expect(logEvent.logIndex).to.be.equal(0);
+ expect(logEvent.transactionIndex).to.be.equal(0);
+ expect(logEvent.blockNumber).to.be.instanceOf(Number);
const args = logEvent.args;
expect(args._from).to.be.equal(coinbase);
expect(args._to).to.be.equal(addressWithoutFunds);