better-prism
Version:
Prism Aggregator with no spl-token package issue
72 lines (71 loc) • 2.3 kB
JavaScript
;
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.isNullOrZero = exports.lte = exports.lt = exports.gte = exports.gt = exports.TokenAmount = void 0;
const bignumber_js_1 = __importDefault(require("bignumber.js"));
// https://github.com/MikeMcl/bignumber.js
// https://blog.csdn.net/shenxianhui1995/article/details/103985434
class TokenAmount {
constructor(wei, decimals = 0, isWei = true) {
this.decimals = decimals;
this._decimals = new bignumber_js_1.default(10).exponentiatedBy(decimals);
if (isWei) {
this.wei = new bignumber_js_1.default(wei);
}
else {
this.wei = new bignumber_js_1.default(wei).multipliedBy(this._decimals);
}
}
toEther() {
return this.wei.dividedBy(this._decimals);
}
toWei() {
return this.wei;
}
format() {
const vaule = this.wei.dividedBy(this._decimals);
return vaule.toFormat(vaule.isInteger() ? 0 : this.decimals);
}
fixed() {
return this.wei.dividedBy(this._decimals).toFixed(this.decimals);
}
isNullOrZero() {
return this.wei.isNaN() || this.wei.isZero();
}
}
exports.TokenAmount = TokenAmount;
// >
function gt(a, b) {
const valueA = new bignumber_js_1.default(a);
const valueB = new bignumber_js_1.default(b);
return valueA.isGreaterThan(valueB);
}
exports.gt = gt;
// >=
function gte(a, b) {
const valueA = new bignumber_js_1.default(a);
const valueB = new bignumber_js_1.default(b);
return valueA.isGreaterThanOrEqualTo(valueB);
}
exports.gte = gte;
// <
function lt(a, b) {
const valueA = new bignumber_js_1.default(a);
const valueB = new bignumber_js_1.default(b);
return valueA.isLessThan(valueB);
}
exports.lt = lt;
// <=
function lte(a, b) {
const valueA = new bignumber_js_1.default(a);
const valueB = new bignumber_js_1.default(b);
return valueA.isLessThanOrEqualTo(valueB);
}
exports.lte = lte;
function isNullOrZero(value) {
const amount = new bignumber_js_1.default(value);
return amount.isNaN() || amount.isZero();
}
exports.isNullOrZero = isNullOrZero;