import { formatFixed, parseFixed } from "./fixednumber.js"; import { throwArgumentError } from "./errors.js"; const names = [ "wei", "kwei", "mwei", "gwei", "szabo", "finney", "ether", ]; /** * Converts %%value%% into a //decimal string//, assuming %%unit%% decimal * places. The %%unit%% may be the number of decimal places or the name of * a unit (e.g. ``"gwei"`` for 9 decimal places). * */ export function formatUnits(value, unit) { if (typeof (unit) === "string") { const index = names.indexOf(unit); if (index === -1) { throwArgumentError("invalid unit", "unit", unit); } unit = 3 * index; } return formatFixed(value, (unit != null) ? unit : 18); } /** * Converts the //decimal string// %%value%% to a [[BigInt]], assuming * %%unit%% decimal places. The %%unit%% may the number of decimal places * or the name of a unit (e.g. ``"gwei"`` for 9 decimal places). */ export function parseUnits(value, unit) { if (typeof (value) !== "string") { throwArgumentError("value must be a string", "value", value); } if (typeof (unit) === "string") { const index = names.indexOf(unit); if (index === -1) { throwArgumentError("invalid unit", "unit", unit); } unit = 3 * index; } return parseFixed(value, (unit != null) ? unit : 18); } /** * Converts %%value%% into a //decimal string// using 18 decimal places. */ export function formatEther(wei) { return formatUnits(wei, 18); } /** * Converts the //decimal string// %%ether%% to a [[BigInt]], using 18 * decimal places. */ export function parseEther(ether) { return parseUnits(ether, 18); } //# sourceMappingURL=units.js.map