MyCrypto/common/libs/values.ts

41 lines
985 B
TypeScript

import { Wei } from 'libs/units';
export function stripHexPrefix(value: string) {
return value.replace('0x', '');
}
export function stripHexPrefixAndLower(value: string): string {
return stripHexPrefix(value).toLowerCase();
}
export function toHexWei(weiString: string): string {
return `0x${Wei(weiString).toString(16)}`;
}
export function padLeftEven(hex: string) {
return hex.length % 2 !== 0 ? `0${hex}` : hex;
}
// TODO: refactor to not mutate argument
export function sanitizeHex(hex: string) {
hex = hex.substring(0, 2) === '0x' ? hex.substring(2) : hex;
if (hex === '') {
return '';
}
return `0x${padLeftEven(hex)}`;
}
export function networkIdToName(networkId: string | number): string {
switch (networkId.toString()) {
case '1':
return 'ETH';
case '3':
return 'Ropsten';
case '4':
return 'Rinkeby';
case '42':
return 'Kovan';
default:
throw new Error(`Network ${networkId} is unsupported.`);
}
}