@0xcert/ethereum-value-ledger/dist/tests/core/ledger/transfer-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]);
    stage.set('sara', accounts[2]);
}));
spec.test('transfers value to another account', (ctx) => __awaiter(void 0, void 0, void 0, function* () {
    const coinbase = ctx.get('coinbase');
    const bob = ctx.get('bob');
    const token = ctx.get('protocol').erc20;
    const amount = '5000000';
    const provider = new ethereum_generic_provider_1.GenericProvider({
        client: ctx.web3,
        accountId: coinbase,
        requiredConfirmations: 0,
    });
    const ledger = new ledger_1.ValueLedger(provider, ctx.get('protocol').erc20.instance.options.address);
    const mutation = yield ledger.transferValue({
        receiverId: bob,
        value: amount,
    });
    yield mutation.complete();
    ctx.is(mutation.logs[0].event, 'Transfer');
    ctx.is(yield token.instance.methods.balanceOf(bob).call(), amount);
}));
spec.test('transfers approved amount to another account', (ctx) => __awaiter(void 0, void 0, void 0, function* () {
    const coinbase = ctx.get('coinbase');
    const bob = ctx.get('bob');
    const sara = ctx.get('sara');
    const token = ctx.get('protocol').erc20;
    const approveAmount = '5000000';
    const provider = new ethereum_generic_provider_1.GenericProvider({
        client: ctx.web3,
        accountId: bob,
        requiredConfirmations: 0,
    });
    const ledger = new ledger_1.ValueLedger(provider, ctx.get('protocol').erc20.instance.options.address);
    yield token.instance.methods.approve(bob, approveAmount).send({ from: coinbase });
    const mutation = yield ledger.transferValue({
        senderId: coinbase,
        receiverId: sara,
        value: approveAmount,
    });
    yield mutation.complete();
    ctx.is(mutation.logs[0].event, 'Transfer');
    ctx.is(yield token.instance.methods.balanceOf(sara).call(), approveAmount);
}));
exports.default = spec;
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