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authorLeonid Logvinov <logvinov.leon@gmail.com>2017-10-04 16:51:36 +0800
committerLeonid Logvinov <logvinov.leon@gmail.com>2017-10-04 16:51:36 +0800
commitf65bfc1ab1425e4866b5b7b7ecf2a30e0eb018a7 (patch)
treea23df51dcfe0f5273a54d8e5e1f8e3b0a56d8645 /src
parentf26d49f077a9a8b606159f22c05aaf2601dc8f57 (diff)
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Extract topics to its variable
Diffstat (limited to 'src')
-rw-r--r--src/contract_wrappers/contract_wrapper.ts16
1 files changed, 9 insertions, 7 deletions
diff --git a/src/contract_wrappers/contract_wrapper.ts b/src/contract_wrappers/contract_wrapper.ts
index d6c7d915a..921b5a6c2 100644
--- a/src/contract_wrappers/contract_wrapper.ts
+++ b/src/contract_wrappers/contract_wrapper.ts
@@ -24,22 +24,25 @@ export class ContractWrapper {
indexFilterValues: IndexedFilterValues,
abi: Web3.ContractAbi): Promise<LogWithDecodedArgs[]> {
// TODO include indexFilterValues in topics
- const eventSignature = this._getEventSignatureFromAbiByName(abi, eventName);
+ const eventAbi = _.filter(abi, {name: eventName})[0] as Web3.EventAbi;
+ const eventSignature = this._getEventSignatureFromAbiByName(eventAbi, eventName);
+ const topicForEventSignature = this._web3Wrapper.keccak256(eventSignature);
+ const topics = [topicForEventSignature];
const filter = {
fromBlock: subscriptionOpts.fromBlock,
toBlock: subscriptionOpts.toBlock,
address,
- topics: [this._web3Wrapper.keccak256(eventSignature)],
+ topics,
};
const logs = await this._web3Wrapper.getLogsAsync(filter);
- const logsWithDecodedArguments = _.map(logs, this._tryToDecodeLogOrNoOp.bind(this));
+ const logsWithDecodedArguments = _.map(logs, this._tryToDecodeLogOrNoop.bind(this));
return logsWithDecodedArguments;
}
- protected _tryToDecodeLogOrNoOp(log: Web3.LogEntry): LogWithDecodedArgs|RawLog {
+ protected _tryToDecodeLogOrNoop(log: Web3.LogEntry): LogWithDecodedArgs|RawLog {
if (_.isUndefined(this._abiDecoder)) {
throw new Error(ZeroExError.NoAbiDecoder);
}
- const logWithDecodedArgs = this._abiDecoder.tryToDecodeLogOrNoOp(log);
+ const logWithDecodedArgs = this._abiDecoder.tryToDecodeLogOrNoop(log);
return logWithDecodedArgs;
}
protected async _instantiateContractIfExistsAsync<A extends Web3.ContractInstance>(artifact: Artifact,
@@ -49,8 +52,7 @@ export class ContractWrapper {
await this._web3Wrapper.getContractInstanceFromArtifactAsync<A>(artifact, addressIfExists);
return contractInstance;
}
- protected _getEventSignatureFromAbiByName(abi: Web3.ContractAbi, eventName: ContractEvents): string {
- const eventAbi = _.filter(abi, {name: eventName})[0] as Web3.EventAbi;
+ protected _getEventSignatureFromAbiByName(eventAbi: Web3.EventAbi, eventName: ContractEvents): string {
const types = _.map(eventAbi.inputs, 'type');
const signature = `${eventAbi.name}(${types.join(',')})`;
return signature;