30 lines
752 B
TypeScript
30 lines
752 B
TypeScript
import { Ether } from 'libs/units';
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export function stripHexPrefix(value: string) {
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return value.replace('0x', '');
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}
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export function stripHexPrefixAndLower(value: string): string {
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return stripHexPrefix(value).toLowerCase();
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}
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export function valueToHex(value: Ether): string {
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// Values are in ether, so convert to wei for RPC calls
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const wei = value.toWei();
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// Finally, hex it up!
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return `0x${wei.toString(16)}`;
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}
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export function padLeftEven(hex: string) {
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return hex.length % 2 !== 0 ? `0${hex}` : hex;
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}
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// TODO: refactor to not mutate argument
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export function sanitizeHex(hex: string) {
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hex = hex.substring(0, 2) === '0x' ? hex.substring(2) : hex;
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if (hex === '') {
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return '';
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}
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return `0x${padLeftEven(hex)}`;
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}
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