From 8e7ea4695bae8cd8c5e5bce62e7bc8b8130448a1 Mon Sep 17 00:00:00 2001
From: Alex Browne <stephenalexbrowne@gmail.com>
Date: Wed, 19 Sep 2018 11:56:41 -0700
Subject: Add tests for etherscan events

---
 .../pipeline/src/data-sources/etherscan/events.ts  | 23 +++++++++++++++-------
 packages/pipeline/src/index.ts                     |  3 +--
 2 files changed, 17 insertions(+), 9 deletions(-)

(limited to 'packages/pipeline/src')

diff --git a/packages/pipeline/src/data-sources/etherscan/events.ts b/packages/pipeline/src/data-sources/etherscan/events.ts
index 50962a266..3083af267 100644
--- a/packages/pipeline/src/data-sources/etherscan/events.ts
+++ b/packages/pipeline/src/data-sources/etherscan/events.ts
@@ -25,21 +25,30 @@ export interface EventsResponseResult {
     transactionIndex: string;
 }
 
-function convertResponseToLogEntry(result: EventsResponseResult): LogEntry {
-    const radix = 10;
+const hexRadix = 16;
+
+function hexToInt(hex: string): number {
+    return parseInt(hex.replace('0x', ''), hexRadix);
+}
+
+// Converts a raw event response to a LogEntry
+// tslint:disable-next-line:completed-docs
+export function _convertResponseToLogEntry(result: EventsResponseResult): LogEntry {
     return {
-        logIndex: parseInt(result.logIndex, radix),
-        transactionIndex: parseInt(result.logIndex, radix),
+        logIndex: hexToInt(result.logIndex),
+        transactionIndex: hexToInt(result.transactionIndex),
         transactionHash: result.transactionHash,
         blockHash: '',
-        blockNumber: parseInt(result.blockNumber, radix),
+        blockNumber: hexToInt(result.blockNumber),
         address: result.address,
         data: result.data,
         topics: result.topics,
     };
 }
 
-function tryToDecodeLogOrNoop(log: LogEntry): LogWithDecodedArgs<DecodedLogArgs> {
+// Decodes a LogEntry into a LogWithDecodedArgs
+// tslint:disable-next-line:completed-docs
+export function _decodeLogEntry(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
@@ -51,4 +60,4 @@ function tryToDecodeLogOrNoop(log: LogEntry): LogWithDecodedArgs<DecodedLogArgs>
  * @param rawEventsResponse The raw events response from etherescan.io.
  * @returns Parsed and decoded events.
  */
-export const parseRawEventsResponse = R.pipe(R.map(convertResponseToLogEntry), R.map(tryToDecodeLogOrNoop));
+export const parseRawEventsResponse = R.pipe(R.map(_convertResponseToLogEntry), R.map(_decodeLogEntry));
diff --git a/packages/pipeline/src/index.ts b/packages/pipeline/src/index.ts
index c9254cc2a..baed6933e 100644
--- a/packages/pipeline/src/index.ts
+++ b/packages/pipeline/src/index.ts
@@ -3,6 +3,5 @@ import { Etherscan } from './data-sources/etherscan';
 const etherscan = new Etherscan(process.env.ETHERSCAN_API_KEY as string);
 
 (async () => {
-    const events = await etherscan.getContractEventsAsync('0x4f833a24e1f95d70f028921e27040ca56e09ab0b');
-    console.log(events);
+    await etherscan.getContractEventsAsync('0x4f833a24e1f95d70f028921e27040ca56e09ab0b');
 })();
-- 
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