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author | Amir Bandeali <abandeali1@gmail.com> | 2017-11-30 14:02:43 +0800 |
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committer | Amir Bandeali <abandeali1@gmail.com> | 2017-11-30 23:10:18 +0800 |
commit | 4b3e0383235ca4ca0127f24c2e05543bb45a56bb (patch) | |
tree | 7a9c1888f99b1121826b09ca28185565ed47cd50 /packages/contracts/test/ts/ether_token.ts | |
parent | c57190dead41846809effb8823bd4e486ca72512 (diff) | |
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Add contracts to packages, fix most linting errors
Diffstat (limited to 'packages/contracts/test/ts/ether_token.ts')
-rw-r--r-- | packages/contracts/test/ts/ether_token.ts | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/packages/contracts/test/ts/ether_token.ts b/packages/contracts/test/ts/ether_token.ts new file mode 100644 index 000000000..7e98e9bef --- /dev/null +++ b/packages/contracts/test/ts/ether_token.ts @@ -0,0 +1,117 @@ +import {ZeroEx, ZeroExError} from '0x.js'; +import {BigNumber} from 'bignumber.js'; +import * as chai from 'chai'; +import promisify = require('es6-promisify'); +import Web3 = require('web3'); + +import {Artifacts} from '../../util/artifacts'; + +import {chaiSetup} from './utils/chai_setup'; + +const {EtherToken} = new Artifacts(artifacts); + +chaiSetup.configure(); +const expect = chai.expect; + +// In order to benefit from type-safety, we re-assign the global web3 instance injected by Truffle +// with type `any` to a variable of type `Web3`. +const web3: Web3 = (global as any).web3; + +contract('EtherToken', (accounts: string[]) => { + const account = accounts[0]; + const gasPrice = ZeroEx.toBaseUnitAmount(new BigNumber(20), 9); + let zeroEx: ZeroEx; + let etherTokenAddress: string; + before(async () => { + etherTokenAddress = EtherToken.address; + zeroEx = new ZeroEx(web3.currentProvider, { + gasPrice, + etherTokenContractAddress: etherTokenAddress, + }); + }); + + const sendTransactionAsync = promisify(web3.eth.sendTransaction); + const getEthBalanceAsync = async (owner: string) => { + const balanceStr = await promisify(web3.eth.getBalance)(owner); + const balance = new BigNumber(balanceStr); + return balance; + }; + + describe('deposit', () => { + it('should throw if caller attempts to deposit more Ether than caller balance', async () => { + const initEthBalance = await getEthBalanceAsync(account); + const ethToDeposit = initEthBalance.plus(1); + + return expect(zeroEx.etherToken.depositAsync(ethToDeposit, account)) + .to.be.rejectedWith(ZeroExError.InsufficientEthBalanceForDeposit); + }); + + it('should convert deposited Ether to wrapped Ether tokens', async () => { + const initEthBalance = await getEthBalanceAsync(account); + const initEthTokenBalance = await zeroEx.token.getBalanceAsync(etherTokenAddress, account); + + const ethToDeposit = new BigNumber(web3.toWei(1, 'ether')); + + const txHash = await zeroEx.etherToken.depositAsync(ethToDeposit, account); + const receipt = await zeroEx.awaitTransactionMinedAsync(txHash); + + const ethSpentOnGas = gasPrice.times(receipt.gasUsed); + const finalEthBalance = await getEthBalanceAsync(account); + const finalEthTokenBalance = await zeroEx.token.getBalanceAsync(etherTokenAddress, account); + + expect(finalEthBalance).to.be.bignumber.equal(initEthBalance.minus(ethToDeposit.plus(ethSpentOnGas))); + expect(finalEthTokenBalance).to.be.bignumber.equal(initEthTokenBalance.plus(ethToDeposit)); + }); + }); + + describe('withdraw', () => { + it('should throw if caller attempts to withdraw greater than caller balance', async () => { + const initEthTokenBalance = await zeroEx.token.getBalanceAsync(etherTokenAddress, account); + const ethTokensToWithdraw = initEthTokenBalance.plus(1); + + return expect(zeroEx.etherToken.withdrawAsync(ethTokensToWithdraw, account)) + .to.be.rejectedWith(ZeroExError.InsufficientWEthBalanceForWithdrawal); + }); + + it('should convert ether tokens to ether with sufficient balance', async () => { + const initEthTokenBalance = await zeroEx.token.getBalanceAsync(etherTokenAddress, account); + const initEthBalance = await getEthBalanceAsync(account); + const ethTokensToWithdraw = initEthTokenBalance; + expect(ethTokensToWithdraw).to.not.be.bignumber.equal(0); + const txHash = await zeroEx.etherToken.withdrawAsync(ethTokensToWithdraw, account); + const receipt = await zeroEx.awaitTransactionMinedAsync(txHash); + + const ethSpentOnGas = gasPrice.times(receipt.gasUsed); + const finalEthBalance = await getEthBalanceAsync(account); + const finalEthTokenBalance = await zeroEx.token.getBalanceAsync(etherTokenAddress, account); + + expect(finalEthBalance).to.be.bignumber.equal(initEthBalance.plus(ethTokensToWithdraw.minus(ethSpentOnGas))); + expect(finalEthTokenBalance).to.be.bignumber.equal(initEthTokenBalance.minus(ethTokensToWithdraw)); + }); + }); + + describe('fallback', () => { + it('should convert sent ether to ether tokens', async () => { + const initEthBalance = await getEthBalanceAsync(account); + const initEthTokenBalance = await zeroEx.token.getBalanceAsync(etherTokenAddress, account); + + const ethToDeposit = ZeroEx.toBaseUnitAmount(new BigNumber(1), 18); + + const txHash = await sendTransactionAsync({ + from: account, + to: etherTokenAddress, + value: ethToDeposit, + gasPrice, + }); + + const receipt = await zeroEx.awaitTransactionMinedAsync(txHash); + + const ethSpentOnGas = gasPrice.times(receipt.gasUsed); + const finalEthBalance = await getEthBalanceAsync(account); + const finalEthTokenBalance = await zeroEx.token.getBalanceAsync(etherTokenAddress, account); + + expect(finalEthBalance).to.be.bignumber.equal(initEthBalance.minus(ethToDeposit.plus(ethSpentOnGas))); + expect(finalEthTokenBalance).to.be.bignumber.equal(initEthTokenBalance.plus(ethToDeposit)); + }); + }); +}); |