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authorLeonid Logvinov <logvinov.leon@gmail.com>2017-10-06 18:01:08 +0800
committerLeonid Logvinov <logvinov.leon@gmail.com>2017-10-06 18:01:08 +0800
commit44e2929a4c3cec6666a2e3ad340028aff2884f69 (patch)
tree9f271fe69dbf874d26653e60b524ddd03c6a2eee /src/contract_wrappers/contract_wrapper.ts
parent1043def46c137c9d308b3201eddc0d08afa34b10 (diff)
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Check for blockAndLogStreamer to be undefined instead of th filters object to be empty
Diffstat (limited to 'src/contract_wrappers/contract_wrapper.ts')
-rw-r--r--src/contract_wrappers/contract_wrapper.ts13
1 files changed, 8 insertions, 5 deletions
diff --git a/src/contract_wrappers/contract_wrapper.ts b/src/contract_wrappers/contract_wrapper.ts
index 0bd7cc8b1..925537173 100644
--- a/src/contract_wrappers/contract_wrapper.ts
+++ b/src/contract_wrappers/contract_wrapper.ts
@@ -21,7 +21,7 @@ import {filterUtils} from '../utils/filter_utils';
export class ContractWrapper {
protected _web3Wrapper: Web3Wrapper;
private _abiDecoder?: AbiDecoder;
- private _blockAndLogStreamer: BlockAndLogStreamer;
+ private _blockAndLogStreamer: BlockAndLogStreamer|undefined;
private _blockAndLogStreamInterval: NodeJS.Timer;
private _filters: {[filterToken: string]: Web3.FilterObject};
private _filterCallbacks: {[filterToken: string]: EventCallback};
@@ -32,6 +32,7 @@ export class ContractWrapper {
this._abiDecoder = abiDecoder;
this._filters = {};
this._filterCallbacks = {};
+ this._blockAndLogStreamer = undefined;
this._onLogAddedSubscriptionToken = undefined;
this._onLogRemovedSubscriptionToken = undefined;
}
@@ -39,7 +40,7 @@ export class ContractWrapper {
indexFilterValues: IndexedFilterValues, abi: Web3.ContractAbi,
callback: EventCallback): string {
const filter = filterUtils.getFilter(address, eventName, indexFilterValues, abi);
- if (_.isEmpty(this._filters)) {
+ if (_.isUndefined(this._blockAndLogStreamer)) {
this._startBlockAndLogStream();
}
const filterToken = filterUtils.generateUUID();
@@ -111,14 +112,16 @@ export class ContractWrapper {
);
}
private _stopBlockAndLogStream(): void {
- this._blockAndLogStreamer.unsubscribeFromOnLogAdded(this._onLogAddedSubscriptionToken as string);
- this._blockAndLogStreamer.unsubscribeFromOnLogRemoved(this._onLogRemovedSubscriptionToken as string);
+ (this._blockAndLogStreamer as BlockAndLogStreamer).unsubscribeFromOnLogAdded(
+ this._onLogAddedSubscriptionToken as string);
+ (this._blockAndLogStreamer as BlockAndLogStreamer).unsubscribeFromOnLogRemoved(
+ this._onLogRemovedSubscriptionToken as string);
intervalUtils.clearAsyncExcludingInterval(this._blockAndLogStreamInterval);
delete this._blockAndLogStreamer;
}
private async _reconcileBlockAsync(): Promise<void> {
const latestBlock = await this._web3Wrapper.getBlockAsync('latest');
// We need to coerce to Block type cause Web3.Block includes types for mempool bloks
- this._blockAndLogStreamer.reconcileNewBlock(latestBlock as any as Block);
+ (this._blockAndLogStreamer as BlockAndLogStreamer).reconcileNewBlock(latestBlock as any as Block);
}
}