mirror of
https://github.com/oceanprotocol/ocean.js.git
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674 lines
29 KiB
TypeScript
674 lines
29 KiB
TypeScript
import { assert, expect } from 'chai'
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import { AbiItem } from 'web3-utils/types'
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import { Contract } from 'web3-eth-contract'
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import BN from 'bn.js'
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import ERC20Template from '@oceanprotocol/contracts/artifacts/contracts/templates/ERC20Template.sol/ERC20Template.json'
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import FixedRate from '@oceanprotocol/contracts/artifacts/contracts/pools/fixedRate/FixedRateExchange.sol/FixedRateExchange.json'
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import MockERC20 from '@oceanprotocol/contracts/artifacts/contracts/utils/mock/MockERC20Decimals.sol/MockERC20Decimals.json'
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import { deployContracts, Addresses } from '../../../TestContractHandler'
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import { web3 } from '../../../config'
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import { NftFactory, NftCreateData, FixedRateExchange } from '../../../../src'
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import { FreCreationParams, Erc20CreateParams } from '../../../../src/@types'
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describe('Fixed Rate unit test', () => {
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let factoryOwner: string
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let nftOwner: string
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let exchangeOwner: string
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let user1: string
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let user2: string
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let user3: string
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let user4: string
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let initialBlock: number
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let fixedRateAddress: string
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let daiAddress: string
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let usdcAddress: string
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let exchangeId: string
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let contracts: Addresses
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let fixedRate: FixedRateExchange
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let dtAddress: string
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let dtAddress2: string
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let dtContract: Contract
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let daiContract: Contract
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let usdcContract: Contract
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const vestedBlocks = 2500000
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const ADDRESS_ZERO = '0x0000000000000000000000000000000000000000'
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before(async () => {
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const accounts = await web3.eth.getAccounts()
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factoryOwner = accounts[0]
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nftOwner = accounts[1]
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user1 = accounts[2]
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user2 = accounts[3]
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user3 = accounts[4]
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user4 = accounts[5]
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exchangeOwner = accounts[0]
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})
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it('should deploy contracts', async () => {
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contracts = await deployContracts(factoryOwner)
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// initialize fixed rate
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//
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daiContract = new web3.eth.Contract(MockERC20.abi as AbiItem[], contracts.daiAddress)
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usdcContract = new web3.eth.Contract(
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MockERC20.abi as AbiItem[],
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contracts.usdcAddress
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)
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})
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describe('Test a Fixed Rate Exchange with DAI (18 Decimals)', () => {
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it('#create an exchange', async () => {
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// CREATE AN Exchange
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// we prepare transaction parameters objects
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const nftFactory = new NftFactory(contracts.erc721FactoryAddress, web3)
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const nftData: NftCreateData = {
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name: '72120Bundle',
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symbol: '72Bundle',
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templateIndex: 1,
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tokenURI: 'https://oceanprotocol.com/nft/'
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}
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const ercParams: Erc20CreateParams = {
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templateIndex: 1,
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minter: factoryOwner,
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feeManager: user3,
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mpFeeAddress: factoryOwner,
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feeToken: ADDRESS_ZERO,
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cap: '1000000',
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feeAmount: '0',
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name: 'ERC20B1',
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symbol: 'ERC20DT1Symbol'
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}
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const freParams: FreCreationParams = {
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fixedRateAddress: contracts.fixedRateAddress,
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baseTokenAddress: contracts.daiAddress,
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owner: exchangeOwner,
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marketFeeCollector: user3,
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baseTokenDecimals: 18,
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datatokenDecimals: 18,
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fixedRate: '1',
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marketFee: '0.001',
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allowedConsumer: ADDRESS_ZERO,
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withMint: false
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}
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const txReceipt = await nftFactory.createNftErc20WithFixedRate(
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exchangeOwner,
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nftData,
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ercParams,
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freParams
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)
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initialBlock = await web3.eth.getBlockNumber()
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dtAddress = txReceipt.events.TokenCreated.returnValues.newTokenAddress
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exchangeId = txReceipt.events.NewFixedRate.returnValues.exchangeId
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dtContract = new web3.eth.Contract(ERC20Template.abi as AbiItem[], dtAddress)
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// user2 has no dt1
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expect(await dtContract.methods.balanceOf(user2).call()).to.equal('0')
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fixedRateAddress = contracts.fixedRateAddress
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fixedRate = new FixedRateExchange(
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web3,
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fixedRateAddress,
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FixedRate.abi as AbiItem[],
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contracts.oceanAddress
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)
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assert(fixedRate != null)
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})
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it('#isActive - should return true if exchange is active', async () => {
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expect(await fixedRate.isActive(exchangeId)).to.equal(true)
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expect(await fixedRate.isActive('0x00')).to.equal(false)
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})
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it('#getOwner - should get exchange owner given an id', async () => {
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expect(await fixedRate.getExchangeOwner(exchangeId)).to.equal(exchangeOwner)
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})
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it('#getOPFCollector - should get OPF collector', async () => {
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expect(await fixedRate.getOPCCollector()).to.equal(
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contracts.opfCommunityFeeCollectorAddress
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)
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})
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it('#getRouter - should get Router address', async () => {
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expect(await fixedRate.getRouter()).to.equal(contracts.routerAddress)
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})
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it('#deactivate - should deactivate an exchange if exchangeOwner', async () => {
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expect(await fixedRate.isActive(exchangeId)).to.equal(true)
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await fixedRate.deactivate(exchangeOwner, exchangeId)
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expect(await fixedRate.isActive(exchangeId)).to.equal(false)
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})
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it('#activate - should activate an exchange if exchangeOwner', async () => {
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expect(await fixedRate.isActive(exchangeId)).to.equal(false)
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await fixedRate.activate(exchangeOwner, exchangeId)
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expect(await fixedRate.isActive(exchangeId)).to.equal(true)
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})
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it('#activateMint - should activate Mint(allows fixed rate contract to mint dts if required), if exchangeOwner', async () => {
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expect((await fixedRate.getExchange(exchangeId)).withMint).to.equal(false)
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await fixedRate.activateMint(exchangeOwner, exchangeId)
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expect((await fixedRate.getExchange(exchangeId)).withMint).to.equal(true)
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})
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it('#dectivateMint - should deactivate Mint if exchangeOwner', async () => {
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expect((await fixedRate.getExchange(exchangeId)).withMint).to.equal(true)
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await fixedRate.deactivateMint(exchangeOwner, exchangeId)
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expect((await fixedRate.getExchange(exchangeId)).withMint).to.equal(false)
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})
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it('#generate exchangeId - should generate a specific exchangeId', async () => {
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expect(
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await fixedRate.generateExchangeId(contracts.daiAddress, dtAddress, exchangeOwner)
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).to.equal(exchangeId)
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})
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it('#getNumberOfExchanges - should return total number of exchanges', async () => {
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assert((await fixedRate.getNumberOfExchanges()) >= 1)
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})
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it('#getExchanges - should return all exchanges ids', async () => {
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const exchangeIds = await fixedRate.getExchanges()
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assert(exchangeIds.includes(exchangeId))
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})
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it('#getRate - should return rate', async () => {
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expect(await fixedRate.getRate(exchangeId)).to.equal('1')
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})
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it('#setRate - set new rate if exchangeOwner', async () => {
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await fixedRate.setRate(exchangeOwner, exchangeId, '2')
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expect(await fixedRate.getRate(exchangeId)).to.equal('2')
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await fixedRate.setRate(exchangeOwner, exchangeId, '1')
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expect(await fixedRate.getRate(exchangeId)).to.equal('1')
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})
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it('#getDTSupply - should get the dt supply in the exchange', async () => {
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// exchange owner hasn't approved any DT for sell
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expect(await fixedRate.getDTSupply(exchangeId)).to.equal('0')
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})
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it('#getBTSupply - should get the bt supply in the exchange', async () => {
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// no baseToken at the beginning
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expect(await fixedRate.getBTSupply(exchangeId)).to.equal('0')
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})
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it('#calcBaseInGivenOutDT - should get bt amount in for a specific dt amount', async () => {
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// 100.2 DAI for 100 DT (0.1% market fee and 0.1% ocean fee)
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expect(
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await (
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await fixedRate.calcBaseInGivenOutDT(exchangeId, '100')
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).baseTokenAmount
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).to.equal('100.3')
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})
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it('#getAmountBTOut - should get bt amount out for a specific dt amount', async () => {
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// 99.8 DAI for 100 DT (0.1% market fee and 0.1% ocean fee)
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expect(await fixedRate.getAmountBTOut(exchangeId, '100')).to.equal('99.7')
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})
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it('#buyDT - user2 should buy some dt', async () => {
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// total supply is ZERO right now so dt owner mints 1000 DT and approves the fixed rate contract
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await dtContract.methods
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.mint(exchangeOwner, web3.utils.toWei('1000'))
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.send({ from: exchangeOwner })
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await dtContract.methods
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.approve(fixedRateAddress, web3.utils.toWei('1000'))
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.send({ from: exchangeOwner })
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// user2 gets 100 DAI so he can buy DTs
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await daiContract.methods
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.transfer(user2, web3.utils.toWei('100'))
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.send({ from: exchangeOwner })
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await daiContract.methods
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.approve(fixedRateAddress, web3.utils.toWei('100'))
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.send({ from: user2 })
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// user2 has no dts but has 100 DAI
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expect(await dtContract.methods.balanceOf(user2).call()).to.equal('0')
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const daiBalanceBefore = new BN(await daiContract.methods.balanceOf(user2).call())
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// user2 buys 10 DT
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const tx = await fixedRate.buyDT(user2, exchangeId, '10', '11')
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// console.log(tx.events.Swapped.returnValues)
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assert(tx.events.Swapped != null)
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const args = tx.events.Swapped.returnValues
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expect(args.exchangeId).to.equal(exchangeId)
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expect(args.by).to.equal(user2)
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expect(args.datatokenSwappedAmount).to.equal(web3.utils.toWei('10'))
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expect(args.tokenOutAddress).to.equal(dtAddress)
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expect(await dtContract.methods.balanceOf(user2).call()).to.equal(
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args.datatokenSwappedAmount
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)
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expect(
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daiBalanceBefore.sub(new BN(args.baseTokenSwappedAmount)).toString()
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).to.equal(await daiContract.methods.balanceOf(user2).call())
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// baseToken stays in the contract
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expect((await fixedRate.getExchange(exchangeId)).btBalance).to.equal('10')
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// no dt in the contract
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expect((await fixedRate.getExchange(exchangeId)).dtBalance).to.equal('0')
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})
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it('#sellDT - user2 should sell some dt', async () => {
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await dtContract.methods
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.approve(fixedRateAddress, web3.utils.toWei('10'))
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.send({ from: user2 })
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const daiBalanceBefore = new BN(await daiContract.methods.balanceOf(user2).call())
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const tx = await fixedRate.sellDT(user2, exchangeId, '10', '9')
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// console.log(tx.events.Swapped.returnValues)
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assert(tx.events.Swapped != null)
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const args = tx.events.Swapped.returnValues
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expect(args.exchangeId).to.equal(exchangeId)
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expect(args.by).to.equal(user2)
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expect(args.datatokenSwappedAmount).to.equal(web3.utils.toWei('10'))
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expect(args.tokenOutAddress).to.equal(contracts.daiAddress)
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expect(await dtContract.methods.balanceOf(user2).call()).to.equal('0')
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expect(
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daiBalanceBefore.add(new BN(args.baseTokenSwappedAmount)).toString()
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).to.equal(await daiContract.methods.balanceOf(user2).call())
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// DTs stay in the contract
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expect((await fixedRate.getExchange(exchangeId)).dtBalance).to.equal('10')
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// no BTs in the contract (except for the fees, but not accounted here)
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expect((await fixedRate.getExchange(exchangeId)).btBalance).to.equal('0')
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// DT supply is back at 1000 (exchange Owner allowance + dt balance in the fixed rate)
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expect(await fixedRate.getDTSupply(exchangeId)).to.equal('1000')
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})
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it('#getExchange - should return exchange details', async () => {
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const result = await fixedRate.getExchange(exchangeId)
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expect(result.active).to.equal(true)
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expect(result.btDecimals).to.equal('18')
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expect(result.dtDecimals).to.equal('18')
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expect(result.baseToken).to.equal(contracts.daiAddress)
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expect(result.datatoken).to.equal(dtAddress)
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expect(result.exchangeOwner).to.equal(exchangeOwner)
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expect(result.withMint).to.equal(false)
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expect(result.dtBalance).to.equal('10') // balance in the fixedRate
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expect(result.btBalance).to.equal('0') // balance in the fixedRate
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expect(result.dtSupply).to.equal('1000') // total supply available (owner allowance + dtBalance)
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expect(result.btSupply).to.equal('0') // total supply available of baseToken in the contract
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expect(result.fixedRate).to.equal('1')
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})
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it('#getFeesInfo - should return exchange fee details', async () => {
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const result = await fixedRate.getFeesInfo(exchangeId)
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expect(result.marketFee).to.equal('0.001')
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// we made 2 swaps for 10 DT at rate 1, the fee is 0.1% for market and always in baseToken so it's 0.01 DAI
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// we made 2 swaps for 10 DT at rate 1, the fee is 0.1% for ocean community and always in baseToken so it's 0.01 DAI
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expect(result.marketFeeAvailable).to.equal('0.02') // formatted for baseToken decimals
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expect(result.oceanFeeAvailable).to.equal('0.04') // formatted for baseToken decimals
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expect(result.marketFeeCollector).to.equal(user3)
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expect(result.opcFee).to.equal('0.002')
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})
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it('#getAllowedSwapper- should return address(0) if not set, if exchangeOwner', async () => {
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expect(await fixedRate.getAllowedSwapper(exchangeId)).to.equal(ADDRESS_ZERO)
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})
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it('#setAllowedSwapper- should set an allowed swapper, if exchangeOwner', async () => {
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await fixedRate.setAllowedSwapper(exchangeOwner, exchangeId, user2)
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expect(await fixedRate.getAllowedSwapper(exchangeId)).to.equal(user2)
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})
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it('#setAllowedSwapper- should disable allowed swapper(return address(0)), if exchangeOwner', async () => {
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await fixedRate.setAllowedSwapper(exchangeOwner, exchangeId, ADDRESS_ZERO)
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expect(await fixedRate.getAllowedSwapper(exchangeId)).to.equal(ADDRESS_ZERO)
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})
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it('#collectBT- should collect BT in the contract, if exchangeOwner', async () => {
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// there are no bt in the contract
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expect((await fixedRate.getExchange(exchangeId)).btBalance).to.equal('0')
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// user2 buys 1 DT
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await fixedRate.buyDT(user2, exchangeId, '1', '2')
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// 1 DAI in the contract
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expect((await fixedRate.getExchange(exchangeId)).btBalance).to.equal('1')
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// owner collects BTs
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await fixedRate.collectBT(exchangeOwner, exchangeId)
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// btBalance is zero
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expect((await fixedRate.getExchange(exchangeId)).btBalance).to.equal('0')
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})
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it('#collectDT- should collect DT in the contract, if exchangeOwner', async () => {
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const result = await fixedRate.getExchange(exchangeId)
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// 9 dts left
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expect(result.dtBalance).to.equal('9')
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// owner collects DTs
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await fixedRate.collectDT(exchangeOwner, exchangeId)
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// no more dts in the contract
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const result2 = await fixedRate.getExchange(exchangeId)
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expect(result2.dtBalance).to.equal('0')
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// Only allowance left since dt is ZERO
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expect(result2.dtSupply).to.equal('990')
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})
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it('#collectMarketFee- should collect marketFee and send it to marketFeeCollector, anyone can call it', async () => {
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let result = await fixedRate.getFeesInfo(exchangeId)
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// we made 2 swaps for 10 DT at rate 1, the fee is 0.1% for market and always in baseToken so it's 0.01 DAI
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// plus another swap for 1 DT
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expect(result.marketFeeAvailable).to.equal('0.021') // formatted for baseToken decimals
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// same for ocean fee
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expect(result.oceanFeeAvailable).to.equal('0.042') // formatted for baseToken decimals
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expect(result.marketFeeCollector).to.equal(user3)
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// user4 calls collectMarketFee
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await fixedRate.collectMarketFee(user4, exchangeId)
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result = await fixedRate.getFeesInfo(exchangeId)
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expect(result.marketFeeAvailable).to.equal('0')
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// ocean fee still available
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expect(result.oceanFeeAvailable).to.equal('0.042')
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// user3 is the marketFeeCollector
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expect(await daiContract.methods.balanceOf(user3).call()).to.equal(
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web3.utils.toWei('0.021')
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)
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})
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it('#updateMarketFee- should update Market fee if market fee collector', async () => {
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expect((await fixedRate.getFeesInfo(exchangeId)).marketFee).to.equal('0.001')
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// user3 is marketFeeCollector
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await fixedRate.updateMarketFee(user3, exchangeId, '0.01')
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expect((await fixedRate.getFeesInfo(exchangeId)).marketFee).to.equal('0.01')
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})
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it('#updateMarketFeeCollector - should update Market fee collector if market fee collector', async () => {
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expect((await fixedRate.getFeesInfo(exchangeId)).marketFeeCollector).to.equal(user3)
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await fixedRate.updateMarketFeeCollector(user3, exchangeId, user2)
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expect((await fixedRate.getFeesInfo(exchangeId)).marketFeeCollector).to.equal(user2)
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})
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})
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describe('Test a Fixed Rate Exchange with USDC (6 Decimals)', () => {
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it('#create an exchange', async () => {
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// CREATE AN Exchange
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// we prepare transaction parameters objects
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const nftFactory = new NftFactory(contracts.erc721FactoryAddress, web3)
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const nftData: NftCreateData = {
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name: '72120Bundle',
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symbol: '72Bundle',
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templateIndex: 1,
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tokenURI: 'https://oceanprotocol.com/nft/'
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}
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const ercParams: Erc20CreateParams = {
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templateIndex: 1,
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minter: factoryOwner,
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feeManager: user3,
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mpFeeAddress: factoryOwner,
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feeToken: ADDRESS_ZERO,
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cap: '1000000',
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feeAmount: '0',
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name: 'ERC20B1',
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symbol: 'ERC20DT1Symbol'
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}
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const freParams: FreCreationParams = {
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fixedRateAddress: contracts.fixedRateAddress,
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baseTokenAddress: contracts.usdcAddress,
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owner: exchangeOwner,
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marketFeeCollector: user3,
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baseTokenDecimals: 6,
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datatokenDecimals: 18,
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fixedRate: '1',
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marketFee: '0.001',
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allowedConsumer: ADDRESS_ZERO,
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withMint: false
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}
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const txReceipt = await nftFactory.createNftErc20WithFixedRate(
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exchangeOwner,
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nftData,
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ercParams,
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freParams
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)
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initialBlock = await web3.eth.getBlockNumber()
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dtAddress = txReceipt.events.TokenCreated.returnValues.newTokenAddress
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exchangeId = txReceipt.events.NewFixedRate.returnValues.exchangeId
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dtContract = new web3.eth.Contract(ERC20Template.abi as AbiItem[], dtAddress)
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// user2 has no dt1
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expect(await dtContract.methods.balanceOf(user2).call()).to.equal('0')
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fixedRateAddress = contracts.fixedRateAddress
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fixedRate = new FixedRateExchange(
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web3,
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fixedRateAddress,
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FixedRate.abi as AbiItem[],
|
|
contracts.oceanAddress
|
|
)
|
|
assert(fixedRate != null)
|
|
})
|
|
|
|
it('#isActive - should return true if exchange is active', async () => {
|
|
expect(await fixedRate.isActive(exchangeId)).to.equal(true)
|
|
expect(await fixedRate.isActive('0x00')).to.equal(false)
|
|
})
|
|
it('#getOwner - should get exchange owner given an id', async () => {
|
|
expect(await fixedRate.getExchangeOwner(exchangeId)).to.equal(exchangeOwner)
|
|
})
|
|
it('#getOPFCollector - should get OPF collector', async () => {
|
|
expect(await fixedRate.getOPCCollector()).to.equal(
|
|
contracts.opfCommunityFeeCollectorAddress
|
|
)
|
|
})
|
|
it('#getRouter - should get Router address', async () => {
|
|
expect(await fixedRate.getRouter()).to.equal(contracts.routerAddress)
|
|
})
|
|
|
|
it('#deactivate - should deactivate an exchange if exchangeOwner', async () => {
|
|
expect(await fixedRate.isActive(exchangeId)).to.equal(true)
|
|
await fixedRate.deactivate(exchangeOwner, exchangeId)
|
|
|
|
expect(await fixedRate.isActive(exchangeId)).to.equal(false)
|
|
})
|
|
|
|
it('#activate - should activate an exchange if exchangeOwner', async () => {
|
|
expect(await fixedRate.isActive(exchangeId)).to.equal(false)
|
|
await fixedRate.activate(exchangeOwner, exchangeId)
|
|
expect(await fixedRate.isActive(exchangeId)).to.equal(true)
|
|
})
|
|
|
|
it('#activateMint - should activate Mint(allows fixed rate contract to mint dts if required), if exchangeOwner', async () => {
|
|
expect((await fixedRate.getExchange(exchangeId)).withMint).to.equal(false)
|
|
await fixedRate.activateMint(exchangeOwner, exchangeId)
|
|
expect((await fixedRate.getExchange(exchangeId)).withMint).to.equal(true)
|
|
})
|
|
|
|
it('#dectivateMint - should deactivate Mint if exchangeOwner', async () => {
|
|
expect((await fixedRate.getExchange(exchangeId)).withMint).to.equal(true)
|
|
await fixedRate.deactivateMint(exchangeOwner, exchangeId)
|
|
expect((await fixedRate.getExchange(exchangeId)).withMint).to.equal(false)
|
|
})
|
|
|
|
it('#generate exchangeId - should generate a specific exchangeId', async () => {
|
|
expect(
|
|
await fixedRate.generateExchangeId(
|
|
contracts.usdcAddress,
|
|
dtAddress,
|
|
exchangeOwner
|
|
)
|
|
).to.equal(exchangeId)
|
|
})
|
|
|
|
it('#getExchanges - should return all exchanges ids', async () => {
|
|
const exchangeIds = await fixedRate.getExchanges()
|
|
assert(exchangeIds.includes(exchangeId))
|
|
})
|
|
|
|
it('#getRate - should return rate', async () => {
|
|
expect(await fixedRate.getRate(exchangeId)).to.equal('1')
|
|
})
|
|
|
|
it('#setRate - set new rate if exchangeOwner', async () => {
|
|
await fixedRate.setRate(exchangeOwner, exchangeId, '2')
|
|
expect(await fixedRate.getRate(exchangeId)).to.equal('2')
|
|
await fixedRate.setRate(exchangeOwner, exchangeId, '1')
|
|
expect(await fixedRate.getRate(exchangeId)).to.equal('1')
|
|
})
|
|
|
|
it('#getDTSupply - should get the dt supply in the exchange', async () => {
|
|
// exchange owner hasn't approved any DT for sell
|
|
expect(await fixedRate.getDTSupply(exchangeId)).to.equal('0')
|
|
})
|
|
it('#getBTSupply - should get the bt supply in the exchange', async () => {
|
|
// no baseToken at the beginning
|
|
expect(await fixedRate.getBTSupply(exchangeId)).to.equal('0')
|
|
})
|
|
it('#calcBaseInGivenOutDT - should get bt amount in for a specific dt amount', async () => {
|
|
// 100.2 USDC for 100 DT (0.1% market fee and 0.1% ocean fee)
|
|
expect(
|
|
await (
|
|
await fixedRate.calcBaseInGivenOutDT(exchangeId, '100')
|
|
).baseTokenAmount
|
|
).to.equal('100.3')
|
|
})
|
|
it('#getAmountBTOut - should get bt amount out for a specific dt amount', async () => {
|
|
// 99.8 USDC for 100 DT (0.1% market fee and 0.1% ocean fee)
|
|
expect(await fixedRate.getAmountBTOut(exchangeId, '100')).to.equal('99.7')
|
|
})
|
|
|
|
it('#buyDT - user2 should buy some dt', async () => {
|
|
// total supply is ZERO right now so dt owner mints 1000 DT and approves the fixed rate contract
|
|
await dtContract.methods
|
|
.mint(exchangeOwner, web3.utils.toWei('1000'))
|
|
.send({ from: exchangeOwner })
|
|
await dtContract.methods
|
|
.approve(fixedRateAddress, web3.utils.toWei('1000'))
|
|
.send({ from: exchangeOwner })
|
|
// user2 gets 100 USDC so he can buy DTs
|
|
await usdcContract.methods.transfer(user2, 100 * 1e6).send({ from: exchangeOwner })
|
|
await usdcContract.methods
|
|
.approve(fixedRateAddress, 100 * 1e6)
|
|
.send({ from: user2 })
|
|
|
|
// user2 has no dts but has 100 USDC
|
|
expect(await dtContract.methods.balanceOf(user2).call()).to.equal('0')
|
|
const usdcBalanceBefore = new BN(await usdcContract.methods.balanceOf(user2).call())
|
|
|
|
// user2 buys 10 DT
|
|
const tx = await fixedRate.buyDT(user2, exchangeId, '10', '11')
|
|
// console.log(tx.events.Swapped.returnValues)
|
|
assert(tx.events.Swapped != null)
|
|
const args = tx.events.Swapped.returnValues
|
|
expect(args.exchangeId).to.equal(exchangeId)
|
|
expect(args.by).to.equal(user2)
|
|
expect(args.datatokenSwappedAmount).to.equal(web3.utils.toWei('10'))
|
|
expect(args.tokenOutAddress).to.equal(dtAddress)
|
|
expect(await dtContract.methods.balanceOf(user2).call()).to.equal(
|
|
args.datatokenSwappedAmount
|
|
)
|
|
expect(
|
|
usdcBalanceBefore.sub(new BN(args.baseTokenSwappedAmount)).toString()
|
|
).to.equal(await usdcContract.methods.balanceOf(user2).call())
|
|
// baseToken stays in the contract
|
|
expect((await fixedRate.getExchange(exchangeId)).btBalance).to.equal('10')
|
|
// no dt in the contract
|
|
expect((await fixedRate.getExchange(exchangeId)).dtBalance).to.equal('0')
|
|
})
|
|
|
|
it('#sellDT - user2 should sell some dt', async () => {
|
|
await dtContract.methods
|
|
.approve(fixedRateAddress, web3.utils.toWei('10'))
|
|
.send({ from: user2 })
|
|
const usdcBalanceBefore = new BN(await usdcContract.methods.balanceOf(user2).call())
|
|
const tx = await fixedRate.sellDT(user2, exchangeId, '10', '9')
|
|
// console.log(tx.events.Swapped.returnValues)
|
|
assert(tx.events.Swapped != null)
|
|
const args = tx.events.Swapped.returnValues
|
|
expect(args.exchangeId).to.equal(exchangeId)
|
|
expect(args.by).to.equal(user2)
|
|
expect(args.datatokenSwappedAmount).to.equal(web3.utils.toWei('10'))
|
|
expect(args.tokenOutAddress).to.equal(contracts.usdcAddress)
|
|
expect(await dtContract.methods.balanceOf(user2).call()).to.equal('0')
|
|
expect(
|
|
usdcBalanceBefore.add(new BN(args.baseTokenSwappedAmount)).toString()
|
|
).to.equal(await usdcContract.methods.balanceOf(user2).call())
|
|
// DTs stay in the contract
|
|
expect((await fixedRate.getExchange(exchangeId)).dtBalance).to.equal('10')
|
|
// no BTs in the contract (except for the fees, but not accounted here)
|
|
expect((await fixedRate.getExchange(exchangeId)).btBalance).to.equal('0')
|
|
// DT supply is back at 1000 (exchange Owner allowance + dt balance in the fixed rate)
|
|
expect(await fixedRate.getDTSupply(exchangeId)).to.equal('1000')
|
|
})
|
|
|
|
it('#getExchange - should return exchange details', async () => {
|
|
const result = await fixedRate.getExchange(exchangeId)
|
|
expect(result.active).to.equal(true)
|
|
expect(result.btDecimals).to.equal('6')
|
|
expect(result.dtDecimals).to.equal('18')
|
|
expect(result.baseToken).to.equal(contracts.usdcAddress)
|
|
expect(result.datatoken).to.equal(dtAddress)
|
|
expect(result.exchangeOwner).to.equal(exchangeOwner)
|
|
expect(result.withMint).to.equal(false)
|
|
expect(result.dtBalance).to.equal('10') // balance in the fixedRate
|
|
expect(result.btBalance).to.equal('0') // balance in the fixedRate
|
|
expect(result.dtSupply).to.equal('1000') // total supply available (owner allowance + dtBalance)
|
|
expect(result.btSupply).to.equal('0') // total supply available of baseToken in the contract
|
|
expect(result.fixedRate).to.equal('1')
|
|
})
|
|
|
|
it('#getFeesInfo - should return exchange fee details', async () => {
|
|
const result = await fixedRate.getFeesInfo(exchangeId)
|
|
expect(result.marketFee).to.equal('0.001')
|
|
// we made 2 swaps for 10 DT at rate 1, the fee is 0.1% for market and always in baseToken so it's 0.01 USDC
|
|
// we made 2 swaps for 10 DT at rate 1, the fee is 0.1% for ocean community and always in baseToken so it's 0.01 USDC
|
|
expect(result.marketFeeAvailable).to.equal('0.02') // formatted for baseToken decimals
|
|
expect(result.oceanFeeAvailable).to.equal('0.04') // formatted for baseToken decimals
|
|
expect(result.marketFeeCollector).to.equal(user3)
|
|
expect(result.opcFee).to.equal('0.002')
|
|
})
|
|
|
|
it('#getAllowedSwapper- should return address(0) if not set, if exchangeOwner', async () => {
|
|
expect(await fixedRate.getAllowedSwapper(exchangeId)).to.equal(ADDRESS_ZERO)
|
|
})
|
|
it('#setAllowedSwapper- should set an allowed swapper, if exchangeOwner', async () => {
|
|
await fixedRate.setAllowedSwapper(exchangeOwner, exchangeId, user2)
|
|
expect(await fixedRate.getAllowedSwapper(exchangeId)).to.equal(user2)
|
|
})
|
|
it('#setAllowedSwapper- should disable allowed swapper(return address(0)), if exchangeOwner', async () => {
|
|
await fixedRate.setAllowedSwapper(exchangeOwner, exchangeId, ADDRESS_ZERO)
|
|
expect(await fixedRate.getAllowedSwapper(exchangeId)).to.equal(ADDRESS_ZERO)
|
|
})
|
|
it('#collectBT- should collect BT in the contract, if exchangeOwner', async () => {
|
|
// there are no bt in the contract
|
|
expect((await fixedRate.getExchange(exchangeId)).btBalance).to.equal('0')
|
|
// user2 buys 1 DT
|
|
await fixedRate.buyDT(user2, exchangeId, '1', '2')
|
|
// 1 DAI in the contract
|
|
expect((await fixedRate.getExchange(exchangeId)).btBalance).to.equal('1')
|
|
// owner collects BTs
|
|
await fixedRate.collectBT(exchangeOwner, exchangeId)
|
|
// btBalance is zero
|
|
expect((await fixedRate.getExchange(exchangeId)).btBalance).to.equal('0')
|
|
})
|
|
it('#collectDT- should collect DT in the contract, if exchangeOwner', async () => {
|
|
const result = await fixedRate.getExchange(exchangeId)
|
|
// 9 dts left
|
|
expect(result.dtBalance).to.equal('9')
|
|
// owner collects DTs
|
|
await fixedRate.collectDT(exchangeOwner, exchangeId)
|
|
// no more dts in the contract
|
|
const result2 = await fixedRate.getExchange(exchangeId)
|
|
expect(result2.dtBalance).to.equal('0')
|
|
// Only allowance left since dt is ZERO
|
|
expect(result2.dtSupply).to.equal('990')
|
|
})
|
|
|
|
it('#updateMarketFee- should update Market fee if market fee collector', async () => {
|
|
expect((await fixedRate.getFeesInfo(exchangeId)).marketFee).to.equal('0.001')
|
|
// user3 is marketFeeCollector
|
|
await fixedRate.updateMarketFee(user3, exchangeId, '0.01')
|
|
|
|
expect((await fixedRate.getFeesInfo(exchangeId)).marketFee).to.equal('0.01')
|
|
})
|
|
|
|
it('#updateMarketFeeCollector - should update Market fee collector if market fee collector', async () => {
|
|
expect((await fixedRate.getFeesInfo(exchangeId)).marketFeeCollector).to.equal(user3)
|
|
|
|
await fixedRate.updateMarketFeeCollector(user3, exchangeId, user2)
|
|
|
|
expect((await fixedRate.getFeesInfo(exchangeId)).marketFeeCollector).to.equal(user2)
|
|
})
|
|
})
|
|
})
|