From 839db68571037f6fff8273aaade6ea0bd14ea8a5 Mon Sep 17 00:00:00 2001
From: Fabio Berger <me@fabioberger.com>
Date: Wed, 16 May 2018 14:59:10 +0200
Subject: Fix TSLint rules

---
 packages/utils/src/abi_decoder.ts | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

(limited to 'packages/utils/src/abi_decoder.ts')

diff --git a/packages/utils/src/abi_decoder.ts b/packages/utils/src/abi_decoder.ts
index d329f917a..654c7753b 100644
--- a/packages/utils/src/abi_decoder.ts
+++ b/packages/utils/src/abi_decoder.ts
@@ -23,7 +23,8 @@ export class AbiDecoder {
             formatted = formatted.slice(2);
         }
 
-        formatted = _.padStart(formatted, 40, '0');
+        const desiredLength = 40;
+        formatted = _.padStart(formatted, desiredLength, '0');
         return `0x${formatted}`;
     }
     constructor(abiArrays: AbiDefinition[][]) {
@@ -45,16 +46,17 @@ export class AbiDecoder {
         const dataTypes = _.map(nonIndexedInputs, input => input.type);
         const decodedData = ethersInterface.events[event.name].parse(log.data);
 
-        let failedToDecode = false;
+        let didFailToDecode = false;
         _.forEach(event.inputs, (param: EventParameter, i: number) => {
             // Indexed parameters are stored in topics. Non-indexed ones in decodedData
             let value: BigNumber | string | number = param.indexed ? log.topics[topicsIndex++] : decodedData[i];
             if (_.isUndefined(value)) {
-                failedToDecode = true;
+                didFailToDecode = true;
                 return;
             }
             if (param.type === SolidityTypes.Address) {
-                value = AbiDecoder._padZeros(new BigNumber(value).toString(16));
+                const baseHex = 16;
+                value = AbiDecoder._padZeros(new BigNumber(value).toString(baseHex));
             } else if (param.type === SolidityTypes.Uint256 || param.type === SolidityTypes.Uint) {
                 value = new BigNumber(value);
             } else if (param.type === SolidityTypes.Uint8) {
@@ -63,7 +65,7 @@ export class AbiDecoder {
             decodedParams[param.name] = value;
         });
 
-        if (failedToDecode) {
+        if (didFailToDecode) {
             return log;
         } else {
             return {
-- 
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