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-rw-r--r--packages/web3-wrapper/src/web3_wrapper.ts16
1 files changed, 9 insertions, 7 deletions
diff --git a/packages/web3-wrapper/src/web3_wrapper.ts b/packages/web3-wrapper/src/web3_wrapper.ts
index c60d5fe33..91a1af870 100644
--- a/packages/web3-wrapper/src/web3_wrapper.ts
+++ b/packages/web3-wrapper/src/web3_wrapper.ts
@@ -19,6 +19,8 @@ import * as Web3 from 'web3';
import { Web3WrapperErrors } from './types';
+const BASE_TEN = 10;
+
/**
* A wrapper around the Web3.js 0.x library that provides a consistent, clean promise-based interface.
*/
@@ -48,7 +50,7 @@ export class Web3Wrapper {
* @return The amount in units.
*/
public static toUnitAmount(amount: BigNumber, decimals: number): BigNumber {
- const aUnit = new BigNumber(10).pow(decimals);
+ const aUnit = new BigNumber(BASE_TEN).pow(decimals);
const unit = amount.div(aUnit);
return unit;
}
@@ -61,7 +63,7 @@ export class Web3Wrapper {
* @return The amount in baseUnits.
*/
public static toBaseUnitAmount(amount: BigNumber, decimals: number): BigNumber {
- const unit = new BigNumber(10).pow(decimals);
+ const unit = new BigNumber(BASE_TEN).pow(decimals);
const baseUnitAmount = amount.times(unit);
const hasDecimals = baseUnitAmount.decimalPlaces() !== 0;
if (hasDecimals) {
@@ -180,8 +182,8 @@ export class Web3Wrapper {
public async doesContractExistAtAddressAsync(address: string): Promise<boolean> {
const code = await promisify<string>(this._web3.eth.getCode)(address);
// Regex matches 0x0, 0x00, 0x in order to accommodate poorly implemented clients
- const codeIsEmpty = /^0x0{0,40}$/i.test(code);
- return !codeIsEmpty;
+ const isCodeEmpty = /^0x0{0,40}$/i.test(code);
+ return !isCodeEmpty;
}
/**
* Sign a message with a specific address's private key (`eth_sign`)
@@ -336,16 +338,16 @@ export class Web3Wrapper {
pollingIntervalMs: number = 1000,
timeoutMs?: number,
): Promise<TransactionReceiptWithDecodedLogs> {
- let timeoutExceeded = false;
+ let wasTimeoutExceeded = false;
if (timeoutMs) {
- setTimeout(() => (timeoutExceeded = true), timeoutMs);
+ setTimeout(() => (wasTimeoutExceeded = true), timeoutMs);
}
const txReceiptPromise = new Promise(
(resolve: (receipt: TransactionReceiptWithDecodedLogs) => void, reject) => {
const intervalId = intervalUtils.setAsyncExcludingInterval(
async () => {
- if (timeoutExceeded) {
+ if (wasTimeoutExceeded) {
intervalUtils.clearAsyncExcludingInterval(intervalId);
return reject(Web3WrapperErrors.TransactionMiningTimeout);
}