diff options
| -rw-r--r-- | packages/0x.js/src/contract_wrappers/contract_wrapper.ts | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/packages/0x.js/src/contract_wrappers/contract_wrapper.ts b/packages/0x.js/src/contract_wrappers/contract_wrapper.ts index 873489dc9..2d5818618 100644 --- a/packages/0x.js/src/contract_wrappers/contract_wrapper.ts +++ b/packages/0x.js/src/contract_wrappers/contract_wrapper.ts @@ -34,8 +34,8 @@ export class ContractWrapper { protected _web3Wrapper: Web3Wrapper; private _networkId: number; private _abiDecoder?: AbiDecoder; - private _blockAndLogStreamerIfExists: BlockAndLogStreamer | undefined; - private _blockAndLogStreamInterval: NodeJS.Timer; + private _blockAndLogStreamerIfExists?: BlockAndLogStreamer; + private _blockAndLogStreamIntervalIfExists?: NodeJS.Timer; private _filters: { [filterToken: string]: Web3.FilterObject }; private _filterCallbacks: { [filterToken: string]: EventCallback<ContractEventArgs>; @@ -162,7 +162,7 @@ export class ContractWrapper { ); const catchAllLogFilter = {}; this._blockAndLogStreamerIfExists.addLogFilter(catchAllLogFilter); - this._blockAndLogStreamInterval = intervalUtils.setAsyncExcludingInterval( + this._blockAndLogStreamIntervalIfExists = intervalUtils.setAsyncExcludingInterval( this._reconcileBlockAsync.bind(this), constants.DEFAULT_BLOCK_POLLING_INTERVAL, this._onReconcileBlockError.bind(this), @@ -191,7 +191,7 @@ export class ContractWrapper { } this._blockAndLogStreamerIfExists.unsubscribeFromOnLogAdded(this._onLogAddedSubscriptionToken as string); this._blockAndLogStreamerIfExists.unsubscribeFromOnLogRemoved(this._onLogRemovedSubscriptionToken as string); - intervalUtils.clearAsyncExcludingInterval(this._blockAndLogStreamInterval); + intervalUtils.clearAsyncExcludingInterval(this._blockAndLogStreamIntervalIfExists as NodeJS.Timer); delete this._blockAndLogStreamerIfExists; } private async _reconcileBlockAsync(): Promise<void> { |