diff options
-rw-r--r-- | src/contract_wrappers/contract_wrapper.ts | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/contract_wrappers/contract_wrapper.ts b/src/contract_wrappers/contract_wrapper.ts index 492d40a28..f6ccfdee4 100644 --- a/src/contract_wrappers/contract_wrapper.ts +++ b/src/contract_wrappers/contract_wrapper.ts @@ -123,6 +123,9 @@ export class ContractWrapper { private async _reconcileBlockAsync(): Promise<void> { const latestBlock = await this._web3Wrapper.getBlockAsync(BlockParamLiteral.Latest); // We need to coerce to Block type cause Web3.Block includes types for mempool blocks - (this._blockAndLogStreamer as BlockAndLogStreamer).reconcileNewBlock(latestBlock as any as Block); + if (!_.isUndefined(this._blockAndLogStreamer)) { + // If we clear the interval while fetching the block - this._blockAndLogStreamer will be undefined + this._blockAndLogStreamer.reconcileNewBlock(latestBlock as any as Block); + } } } |