@melonproject/protocol/lib/contracts/dependencies/token/guards/ensureAllowance.js

Technology Regulated and Operated Investment Funds

"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
Object.defineProperty(exports, "__esModule", { value: true });
const token_math_1 = require("@melonproject/token-math");
const allowance_1 = require("../calls/allowance");
const ensure_1 = require("../../../../utils/guards/ensure");
const ensureAllowance = (environment, amount, spender) => __awaiter(this, void 0, void 0, function* () {
    const balance = yield allowance_1.allowance(environment, amount.token.address, {
        spender,
        owner: environment.wallet.address,
    });
    const hasSufficientBalance = token_math_1.greaterThan(balance, amount) || token_math_1.isEqual(balance, amount);
    ensure_1.ensure(hasSufficientBalance, `Insufficient allowance for ${amount.token.symbol}. Got: ${token_math_1.toFixed(balance)}, need: ${token_math_1.toFixed(amount)}`);
});
exports.ensureAllowance = ensureAllowance;