diff --git a/packages/web3-wrapper/src/web3_wrapper.ts b/packages/web3-wrapper/src/web3_wrapper.ts index af0fe3a729..e6944d4bbd 100644 --- a/packages/web3-wrapper/src/web3_wrapper.ts +++ b/packages/web3-wrapper/src/web3_wrapper.ts @@ -438,6 +438,10 @@ export class Web3Wrapper { * @returns The corresponding log entries */ public async getLogsAsync(filter: FilterObject): Promise { + if (!_.isUndefined(filter.blockHash) && (!_.isUndefined(filter.fromBlock) || !_.isUndefined(filter.toBlock))) { + throw new Error(`Cannot specify 'blockHash' as well as 'fromBlock'/'toBlock' in the filter supplied to 'getLogsAsync'`); + } + let fromBlock = filter.fromBlock; if (_.isNumber(fromBlock)) { fromBlock = utils.numberToHex(fromBlock);