@0xcert/ethereum-value-ledger/dist/tests/core/ledger/get-account-approved-value-method.test.js

Value ledger module for currency management on the Ethereum blockchain.

"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    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) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
Object.defineProperty(exports, "__esModule", { value: true });
const ethereum_generic_provider_1 = require("@0xcert/ethereum-generic-provider");
const ethereum_sandbox_1 = require("@0xcert/ethereum-sandbox");
const spec_1 = require("@specron/spec");
const ledger_1 = require("../../../core/ledger");
const spec = new spec_1.Spec();
spec.before((stage) => __awaiter(void 0, void 0, void 0, function* () {
    const protocol = new ethereum_sandbox_1.Protocol(stage.web3);
    stage.set('protocol', yield protocol.deploy());
}));
spec.before((stage) => __awaiter(void 0, void 0, void 0, function* () {
    const accounts = yield stage.web3.eth.getAccounts();
    stage.set('coinbase', accounts[0]);
    stage.set('bob', accounts[1]);
}));
spec.before((stage) => __awaiter(void 0, void 0, void 0, function* () {
    const provider = new ethereum_generic_provider_1.GenericProvider({
        client: stage.web3,
    });
    stage.set('provider', provider);
}));
spec.test('returns account approved amount', (ctx) => __awaiter(void 0, void 0, void 0, function* () {
    const provider = ctx.get('provider');
    const ledgerId = ctx.get('protocol').erc20.instance.options.address;
    const ledger = new ledger_1.ValueLedger(provider, ledgerId);
    const coinbase = ctx.get('coinbase');
    const bob = ctx.get('bob');
    const token = ctx.get('protocol').erc20;
    const approveAmount = '5000000000000000000';
    yield token.instance.methods.approve(bob, approveAmount).send({ from: coinbase });
    const approvedValue = yield ledger.getApprovedValue(coinbase, bob);
    ctx.is(approvedValue, approveAmount);
}));
spec.test('returns null when calling getApprovedValue on contract that does not support it', (ctx) => __awaiter(void 0, void 0, void 0, function* () {
    const provider = ctx.get('provider');
    const ledgerId = ctx.get('protocol').erc721.instance.options.address;
    const ledger = new ledger_1.ValueLedger(provider, ledgerId);
    const coinbase = ctx.get('coinbase');
    const bob = ctx.get('bob');
    const approvedValue = yield ledger.getApprovedValue(coinbase, bob);
    ctx.is(approvedValue, null);
}));
exports.default = spec;
//# sourceMappingURL=get-account-approved-value-method.test.js.map