1 files changed, 0 insertions, 45 deletions
diff --git a/packages/pipeline/src/data_sources/contract-wrappers/erc20_events.ts b/packages/pipeline/src/data_sources/contract-wrappers/erc20_events.ts
deleted file mode 100644
index e0098122f..000000000
--- a/packages/pipeline/src/data_sources/contract-wrappers/erc20_events.ts
+++ /dev/null
@@ -1,45 +0,0 @@
-import {
-    ContractWrappers,
-    ERC20TokenApprovalEventArgs,
-    ERC20TokenEvents,
-    ERC20TokenWrapper,
-} from '@0x/contract-wrappers';
-import { Web3ProviderEngine } from '@0x/subproviders';
-import { LogWithDecodedArgs } from 'ethereum-types';
-
-import { GetEventsFunc, getEventsWithPaginationAsync } from './utils';
-
-export class ERC20EventsSource {
-    private readonly _erc20Wrapper: ERC20TokenWrapper;
-    private readonly _tokenAddress: string;
-    constructor(provider: Web3ProviderEngine, networkId: number, tokenAddress: string) {
-        const contractWrappers = new ContractWrappers(provider, { networkId });
-        this._erc20Wrapper = contractWrappers.erc20Token;
-        this._tokenAddress = tokenAddress;
-    }
-
-    public async getApprovalEventsAsync(
-        startBlock: number,
-        endBlock: number,
-    ): Promise<Array<LogWithDecodedArgs<ERC20TokenApprovalEventArgs>>> {
-        return getEventsWithPaginationAsync(
-            this._getApprovalEventsForRangeAsync.bind(this) as GetEventsFunc<ERC20TokenApprovalEventArgs>,
-            startBlock,
-            endBlock,
-        );
-    }
-
-    // Gets all approval events of for a specific sub-range. This getter
-    // function will be called during each step of pagination.
-    private async _getApprovalEventsForRangeAsync(
-        fromBlock: number,
-        toBlock: number,
-    ): Promise<Array<LogWithDecodedArgs<ERC20TokenApprovalEventArgs>>> {
-        return this._erc20Wrapper.getLogsAsync<ERC20TokenApprovalEventArgs>(
-            this._tokenAddress,
-            ERC20TokenEvents.Approval,
-            { fromBlock, toBlock },
-            {},
-        );
-    }
-}