aboutsummaryrefslogtreecommitdiffstats
path: root/packages/metacoin/test/metacoin_test.ts
blob: 4a2307444b3fcb942b2967eca5a705de6a73f81b (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
import { BlockchainLifecycle, devConstants } from '@0xproject/dev-utils';
import { LogWithDecodedArgs } from '@0xproject/types';
import { BigNumber } from '@0xproject/utils';
import { Web3Wrapper } from '@0xproject/web3-wrapper';
import * as chai from 'chai';

import { MetacoinContract, TransferContractEventArgs } from '../src/contract_wrappers/metacoin';

import { chaiSetup } from './utils/chai_setup';
import { deployer } from './utils/deployer';
import { provider, web3Wrapper } from './utils/web3_wrapper';

chaiSetup.configure();
const { expect } = chai;
const blockchainLifecycle = new BlockchainLifecycle(web3Wrapper);

describe('Metacoin', () => {
    let metacoin: MetacoinContract;
    const ownerAddress = devConstants.TESTRPC_FIRST_ADDRESS;
    const INITIAL_BALANCE = new BigNumber(10000);
    before(async () => {
        const metacoinInstance = await deployer.deployAsync('Metacoin');
        web3Wrapper.abiDecoder.addABI(metacoinInstance.abi);
        metacoin = new MetacoinContract(metacoinInstance.abi, metacoinInstance.address, provider);
    });
    beforeEach(async () => {
        await blockchainLifecycle.startAsync();
    });
    afterEach(async () => {
        await blockchainLifecycle.revertAsync();
    });
    describe('#constructor', () => {
        it(`should initialy give ${INITIAL_BALANCE} tokens to the creator`, async () => {
            const balance = await metacoin.balances.callAsync(ownerAddress);
            expect(balance).to.be.bignumber.equal(INITIAL_BALANCE);
        });
    });
    describe('#transfer', () => {
        it(`should successfully transfer tokens (via transfer_1)`, async () => {
            const ZERO_ADDRESS = '0x0000000000000000000000000000000000000000';
            const amount = INITIAL_BALANCE.div(2);
            const oldBalance = await metacoin.balances.callAsync(ZERO_ADDRESS);
            expect(oldBalance).to.be.bignumber.equal(0);
            const txHash = await metacoin.transfer_1.sendTransactionAsync(
                {
                    to: ZERO_ADDRESS,
                    amount,
                },
                { from: devConstants.TESTRPC_FIRST_ADDRESS },
            );
            const txReceipt = await web3Wrapper.awaitTransactionMinedAsync(txHash);
            const transferLogs = txReceipt.logs[0] as LogWithDecodedArgs<TransferContractEventArgs>;
            expect(transferLogs.args).to.be.deep.equal({
                _to: ZERO_ADDRESS,
                _from: devConstants.TESTRPC_FIRST_ADDRESS,
                _value: amount,
            });
            const newBalance = await metacoin.balances.callAsync(ZERO_ADDRESS);
            expect(newBalance).to.be.bignumber.equal(amount);
        });

        it(`should successfully transfer tokens (via transfer_2)`, async () => {
            const ZERO_ADDRESS = '0x0000000000000000000000000000000000000000';
            const amount = INITIAL_BALANCE.div(2);
            const oldBalance = await metacoin.balances.callAsync(ZERO_ADDRESS);
            expect(oldBalance).to.be.bignumber.equal(0);
            const callback = 59;
            const txHash = await metacoin.transfer_2.sendTransactionAsync(
                {
                    to: ZERO_ADDRESS,
                    amount,
                },
                callback,
                { from: devConstants.TESTRPC_FIRST_ADDRESS },
            );
            const txReceipt = await web3Wrapper.awaitTransactionMinedAsync(txHash);
            const transferLogs = txReceipt.logs[0] as LogWithDecodedArgs<TransferContractEventArgs>;
            expect(transferLogs.args).to.be.deep.equal({
                _to: ZERO_ADDRESS,
                _from: devConstants.TESTRPC_FIRST_ADDRESS,
                _value: amount,
            });
            const newBalance = await metacoin.balances.callAsync(ZERO_ADDRESS);
            expect(newBalance).to.be.bignumber.equal(amount);
        });

        it(`should successfully transfer tokens (via transfer_3)`, async () => {
            const ZERO_ADDRESS = '0x0000000000000000000000000000000000000000';
            const amount = INITIAL_BALANCE.div(2);
            const oldBalance = await metacoin.balances.callAsync(ZERO_ADDRESS);
            expect(oldBalance).to.be.bignumber.equal(0);
            const callback = 59;
            const txHash = await metacoin.transfer_3.sendTransactionAsync(
                {
                    transferData: {
                        to: ZERO_ADDRESS,
                        amount,
                    },
                    callback,
                },
                { from: devConstants.TESTRPC_FIRST_ADDRESS },
            );
            const txReceipt = await web3Wrapper.awaitTransactionMinedAsync(txHash);
            const transferLogs = txReceipt.logs[0] as LogWithDecodedArgs<TransferContractEventArgs>;
            expect(transferLogs.args).to.be.deep.equal({
                _to: ZERO_ADDRESS,
                _from: devConstants.TESTRPC_FIRST_ADDRESS,
                _value: amount,
            });
            const newBalance = await metacoin.balances.callAsync(ZERO_ADDRESS);
            expect(newBalance).to.be.bignumber.equal(amount);
        });
    });
});