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authorLeonid Logvinov <logvinov.leon@gmail.com>2018-03-28 17:05:36 +0800
committerLeonid Logvinov <logvinov.leon@gmail.com>2018-04-02 17:34:29 +0800
commit4d9029bb0e3b215efdf165704c80d3bacef0e85a (patch)
tree8f699dcd0a7b5fba3c31c065a62d640407bba8c3 /packages/metacoin/test/metacoin_test.ts
parentbc49dde4d5d24b9a8b01459bde061f9b23fb5898 (diff)
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Add metacoin example project
Diffstat (limited to 'packages/metacoin/test/metacoin_test.ts')
-rw-r--r--packages/metacoin/test/metacoin_test.ts62
1 files changed, 62 insertions, 0 deletions
diff --git a/packages/metacoin/test/metacoin_test.ts b/packages/metacoin/test/metacoin_test.ts
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+++ b/packages/metacoin/test/metacoin_test.ts
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+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 { 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(web3Wrapper, metacoinInstance.abi, metacoinInstance.address);
+ });
+ 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`, 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.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);
+ });
+ });
+});