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author | Leonid Logvinov <logvinov.leon@gmail.com> | 2018-01-19 20:27:15 +0800 |
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committer | Leonid Logvinov <logvinov.leon@gmail.com> | 2018-01-30 23:01:35 +0800 |
commit | 6463cda2045fe9caca3cb3908aa0c66f0bfe683a (patch) | |
tree | 6ac6826c29b8d85c226487239ea253aaa2d60f4c /packages/contracts/test/zrx_token.ts | |
parent | d004df56e38726ed7f1b775da33d8f37aae270db (diff) | |
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Remove truffle from tokenTransferProxy tests
Diffstat (limited to 'packages/contracts/test/zrx_token.ts')
-rw-r--r-- | packages/contracts/test/zrx_token.ts | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/packages/contracts/test/zrx_token.ts b/packages/contracts/test/zrx_token.ts new file mode 100644 index 000000000..60ce5487e --- /dev/null +++ b/packages/contracts/test/zrx_token.ts @@ -0,0 +1,175 @@ +import { ZeroEx } from '0x.js'; +import { BigNumber } from '@0xproject/utils'; +import * as chai from 'chai'; +import Web3 = require('web3'); + +import { Artifacts } from '../util/artifacts'; +import { constants } from '../util/constants'; +import { ContractInstance } from '../util/types'; + +import { chaiSetup } from './utils/chai_setup'; + +chaiSetup.configure(); +const expect = chai.expect; +const { Exchange, ZRXToken } = new Artifacts(artifacts); +const web3: Web3 = (global as any).web3; + +contract('ZRXToken', (accounts: string[]) => { + const owner = accounts[0]; + const spender = accounts[1]; + let zeroEx: ZeroEx; + + let MAX_UINT: BigNumber; + + let zrx: ContractInstance; + let zrxAddress: string; + + beforeEach(async () => { + zeroEx = new ZeroEx(web3.currentProvider, { + exchangeContractAddress: Exchange.address, + networkId: constants.TESTRPC_NETWORK_ID, + }); + zrx = await ZRXToken.new(); + zrxAddress = zrx.address; + MAX_UINT = zeroEx.token.UNLIMITED_ALLOWANCE_IN_BASE_UNITS; + }); + + describe('constants', () => { + it('should have 18 decimals', async () => { + const decimals = new BigNumber(await zrx.decimals.call()); + const expectedDecimals = 18; + expect(decimals).to.be.bignumber.equal(expectedDecimals); + }); + + it('should have a total supply of 1 billion tokens', async () => { + const totalSupply = new BigNumber(await zrx.totalSupply.call()); + const expectedTotalSupply = 1000000000; + expect(ZeroEx.toUnitAmount(totalSupply, 18)).to.be.bignumber.equal(expectedTotalSupply); + }); + + it('should be named 0x Protocol Token', async () => { + const name = await zrx.name.call(); + const expectedName = '0x Protocol Token'; + expect(name).to.be.equal(expectedName); + }); + + it('should have the symbol ZRX', async () => { + const symbol = await zrx.symbol.call(); + const expectedSymbol = 'ZRX'; + expect(symbol).to.be.equal(expectedSymbol); + }); + }); + + describe('constructor', () => { + it('should initialize owner balance to totalSupply', async () => { + const ownerBalance = await zeroEx.token.getBalanceAsync(zrxAddress, owner); + const totalSupply = new BigNumber(await zrx.totalSupply.call()); + expect(totalSupply).to.be.bignumber.equal(ownerBalance); + }); + }); + + describe('transfer', () => { + it('should transfer balance from sender to receiver', async () => { + const receiver = spender; + const initOwnerBalance = await zeroEx.token.getBalanceAsync(zrxAddress, owner); + const amountToTransfer = new BigNumber(1); + const txHash = await zeroEx.token.transferAsync(zrxAddress, owner, receiver, amountToTransfer); + await zeroEx.awaitTransactionMinedAsync(txHash); + const finalOwnerBalance = await zeroEx.token.getBalanceAsync(zrxAddress, owner); + const finalReceiverBalance = await zeroEx.token.getBalanceAsync(zrxAddress, receiver); + + const expectedFinalOwnerBalance = initOwnerBalance.minus(amountToTransfer); + const expectedFinalReceiverBalance = amountToTransfer; + expect(finalOwnerBalance).to.be.bignumber.equal(expectedFinalOwnerBalance); + expect(finalReceiverBalance).to.be.bignumber.equal(expectedFinalReceiverBalance); + }); + + it('should return true on a 0 value transfer', async () => { + const didReturnTrue = await zrx.transfer.call(spender, 0, { + from: owner, + }); + expect(didReturnTrue).to.be.true(); + }); + }); + + describe('transferFrom', () => { + it('should return false if owner has insufficient balance', async () => { + const ownerBalance = await zeroEx.token.getBalanceAsync(zrxAddress, owner); + const amountToTransfer = ownerBalance.plus(1); + const txHash = await zeroEx.token.setAllowanceAsync(zrxAddress, owner, spender, amountToTransfer, { + gasLimit: constants.MAX_TOKEN_APPROVE_GAS, + }); + await zeroEx.awaitTransactionMinedAsync(txHash); + const didReturnTrue = await zrx.transferFrom.call(owner, spender, amountToTransfer, { from: spender }); + expect(didReturnTrue).to.be.false(); + }); + + it('should return false if spender has insufficient allowance', async () => { + const ownerBalance = await zeroEx.token.getBalanceAsync(zrxAddress, owner); + const amountToTransfer = ownerBalance; + + const spenderAllowance = await zeroEx.token.getAllowanceAsync(zrxAddress, owner, spender); + const spenderAllowanceIsInsufficient = spenderAllowance.cmp(amountToTransfer) < 0; + expect(spenderAllowanceIsInsufficient).to.be.true(); + + const didReturnTrue = await zrx.transferFrom.call(owner, spender, amountToTransfer, { from: spender }); + expect(didReturnTrue).to.be.false(); + }); + + it('should return true on a 0 value transfer', async () => { + const amountToTransfer = 0; + const didReturnTrue = await zrx.transferFrom.call(owner, spender, amountToTransfer, { from: spender }); + expect(didReturnTrue).to.be.true(); + }); + + it('should not modify spender allowance if spender allowance is 2^256 - 1', async () => { + const initOwnerBalance = await zeroEx.token.getBalanceAsync(zrxAddress, owner); + const amountToTransfer = initOwnerBalance; + const initSpenderAllowance = MAX_UINT; + let txHash = await zeroEx.token.setAllowanceAsync(zrxAddress, owner, spender, initSpenderAllowance, { + gasLimit: constants.MAX_TOKEN_APPROVE_GAS, + }); + await zeroEx.awaitTransactionMinedAsync(txHash); + txHash = await zeroEx.token.transferFromAsync(zrxAddress, owner, spender, spender, amountToTransfer, { + gasLimit: constants.MAX_TOKEN_TRANSFERFROM_GAS, + }); + await zeroEx.awaitTransactionMinedAsync(txHash); + + const newSpenderAllowance = await zeroEx.token.getAllowanceAsync(zrxAddress, owner, spender); + expect(initSpenderAllowance).to.be.bignumber.equal(newSpenderAllowance); + }); + + it('should transfer the correct balances if spender has sufficient allowance', async () => { + const initOwnerBalance = await zeroEx.token.getBalanceAsync(zrxAddress, owner); + const initSpenderBalance = await zeroEx.token.getBalanceAsync(zrxAddress, spender); + const amountToTransfer = initOwnerBalance; + const initSpenderAllowance = initOwnerBalance; + let txHash = await zeroEx.token.setAllowanceAsync(zrxAddress, owner, spender, initSpenderAllowance); + await zeroEx.awaitTransactionMinedAsync(txHash); + txHash = await zeroEx.token.transferFromAsync(zrxAddress, owner, spender, spender, amountToTransfer, { + gasLimit: constants.MAX_TOKEN_TRANSFERFROM_GAS, + }); + await zeroEx.awaitTransactionMinedAsync(txHash); + + const newOwnerBalance = await zeroEx.token.getBalanceAsync(zrxAddress, owner); + const newSpenderBalance = await zeroEx.token.getBalanceAsync(zrxAddress, spender); + + expect(newOwnerBalance).to.be.bignumber.equal(0); + expect(newSpenderBalance).to.be.bignumber.equal(initSpenderBalance.plus(initOwnerBalance)); + }); + + it('should modify allowance if spender has sufficient allowance less than 2^256 - 1', async () => { + const initOwnerBalance = await zeroEx.token.getBalanceAsync(zrxAddress, owner); + const amountToTransfer = initOwnerBalance; + let txHash = await zeroEx.token.setAllowanceAsync(zrxAddress, owner, spender, amountToTransfer); + await zeroEx.awaitTransactionMinedAsync(txHash); + txHash = await zeroEx.token.transferFromAsync(zrxAddress, owner, spender, spender, amountToTransfer, { + gasLimit: constants.MAX_TOKEN_TRANSFERFROM_GAS, + }); + await zeroEx.awaitTransactionMinedAsync(txHash); + + const newSpenderAllowance = await zeroEx.token.getAllowanceAsync(zrxAddress, owner, spender); + expect(newSpenderAllowance).to.be.bignumber.equal(0); + }); + }); +}); |