@ethereum-waffle/chai/dist/cjs/src/matchers/changeBalance.js

A sweet set of chai matchers for your blockchain testing needs.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.supportChangeBalance = void 0;
const ethers_1 = require("ethers");
const account_1 = require("./misc/account");
const changeEtherBalance_1 = require("./changeEtherBalance");
const call_promise_1 = require("../call-promise");
function supportChangeBalance(Assertion) {
    Assertion.addMethod('changeBalance', function (account, balanceChange) {
        (0, call_promise_1.callPromise)(this);
        const isNegated = this.__flags.negate === true;
        const derivedPromise = this.callPromise.then(() => {
            if (!('txResponse' in this)) {
                throw new Error('The changeBalance matcher must be called on a transaction');
            }
            return Promise.all([
                (0, changeEtherBalance_1.getBalanceChange)(this.txResponse, account, { includeFee: true }),
                (0, account_1.getAddressOf)(account)
            ]);
        }).then(([actualChange, address]) => {
            const isCurrentlyNegated = this.__flags.negate === true;
            this.__flags.negate = isNegated;
            this.assert(actualChange.eq(ethers_1.BigNumber.from(balanceChange)), `Expected "${address}" to change balance by ${balanceChange} wei, ` +
                `but it has changed by ${actualChange} wei`, `Expected "${address}" to not change balance by ${balanceChange} wei,`, balanceChange, actualChange);
            this.__flags.negate = isCurrentlyNegated;
        });
        this.then = derivedPromise.then.bind(derivedPromise);
        this.catch = derivedPromise.catch.bind(derivedPromise);
        this.callPromise = derivedPromise;
        return this;
    });
}
exports.supportChangeBalance = supportChangeBalance;
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