aboutsummaryrefslogtreecommitdiffstats
path: root/packages/pipeline/src/events.ts
diff options
context:
space:
mode:
Diffstat (limited to 'packages/pipeline/src/events.ts')
-rw-r--r--packages/pipeline/src/events.ts75
1 files changed, 0 insertions, 75 deletions
diff --git a/packages/pipeline/src/events.ts b/packages/pipeline/src/events.ts
deleted file mode 100644
index a6e1e4ad3..000000000
--- a/packages/pipeline/src/events.ts
+++ /dev/null
@@ -1,75 +0,0 @@
-import { AbiDecoder } from '@0xproject/utils';
-import { default as axios } from 'axios';
-import { BlockParam, BlockParamLiteral, DecodedLogArgs, LogEntry, LogWithDecodedArgs } from 'ethereum-types';
-import * as R from 'ramda';
-
-import { artifacts } from './artifacts';
-
-// const EXCHANGE_ADDRESS = '0x4f833a24e1f95d70f028921e27040ca56e09ab0b';
-const ETHERSCAN_URL = 'https://api.etherscan.io/api';
-// TOOD(albrow): Pass this in as a constructor argument instead of an env var.
-const ETHERSCAN_API_KEY = process.env.ETHERSCAN_API_KEY;
-
-// Raw response from etherescan.io
-interface EventsResponse {
- status: string;
- message: string;
- result: EventsResponseResult[];
-}
-
-// Events as represented in the response from etherscan.io
-interface EventsResponseResult {
- address: string;
- topics: string[];
- data: string;
- blockNumber: string;
- timeStamp: string;
- gasPrice: string;
- gasUsed: string;
- logIndex: string;
- transactionHash: string;
- transactionIndex: string;
-}
-
-// Parses and abi-decodes the fill events response from etherscan.io.
-const parseFillEventsResponse = R.pipe(R.map(convertResponseToLogEntry), R.map(tryToDecodeLogOrNoop));
-
-function convertResponseToLogEntry(result: EventsResponseResult): LogEntry {
- const radix = 10;
- return {
- logIndex: parseInt(result.logIndex, radix),
- transactionIndex: parseInt(result.logIndex, radix),
- transactionHash: result.transactionHash,
- blockHash: '',
- blockNumber: parseInt(result.blockNumber, radix),
- address: result.address,
- data: result.data,
- topics: result.topics,
- };
-}
-
-function tryToDecodeLogOrNoop(log: LogEntry): LogWithDecodedArgs<DecodedLogArgs> {
- const abiDecoder = new AbiDecoder([artifacts.Exchange.compilerOutput.abi]);
- const logWithDecodedArgs = abiDecoder.tryToDecodeLogOrNoop(log);
- // tslint:disable-next-line:no-unnecessary-type-assertion
- return logWithDecodedArgs as LogWithDecodedArgs<DecodedLogArgs>;
-}
-
-/**
- * Gets the decoded events for a specific contract and block range.
- * @param contractAddress The address of the contract to get the events for.
- * @param fromBlock The start of the block range to get events for (inclusive).
- * @param toBlock The end of the block range to get events for (inclusive).
- * @returns A list of decoded events.
- */
-export async function getContractEventsAsync(
- contractAddress: string,
- fromBlock: BlockParam = BlockParamLiteral.Earliest,
- toBlock: BlockParam = BlockParamLiteral.Latest,
-): Promise<Array<LogWithDecodedArgs<DecodedLogArgs>>> {
- const fullURL = `${ETHERSCAN_URL}?module=logs&action=getLogs&address=${contractAddress}&fromBlock=${fromBlock}&toBlock=${toBlock}&apikey=${ETHERSCAN_API_KEY}`;
- const resp = await axios.get<EventsResponse>(fullURL);
- // TODO(albrow): Check response code.
- const decodedEvents = parseFillEventsResponse(resp.data.result);
- return decodedEvents;
-}