aave-protocol-v2/test/atoken-transfer.spec.ts

// import { ITestEnvWithoutInstances, RateMode} from '../utils/types';
// import {
//   ATokenInstance,
//   LendingPoolInstance,
//   MintableERC20Instance,
//   LendingPoolCoreInstance,
// } from '../utils/typechain-types/truffle-contracts';
// import {testEnvProviderWithoutInstances} from '../utils/truffle/dlp-tests-env';
// import {convertToCurrencyDecimals} from '../utils/misc-utils';
// import {APPROVAL_AMOUNT_LENDING_POOL_CORE, ETHEREUM_ADDRESS, oneEther, NIL_ADDRESS, MAX_UINT_AMOUNT} from '../utils/constants';

// const expectRevert = require('@openzeppelin/test-helpers').expectRevert;

// contract('AToken: Transfer', async ([deployer, ...users]) => {
//   let _testEnvProvider: ITestEnvWithoutInstances;
//   let _aDAI: ATokenInstance;
//   let _DAI: MintableERC20Instance;
//   let _lendingPoolInstance: LendingPoolInstance;
//   let _lendingPoolCoreInstance: LendingPoolCoreInstance;

//   before('Initializing test variables', async () => {
//     console.time('setup-test');
//     _testEnvProvider = await testEnvProviderWithoutInstances(
//       artifacts,
//       [deployer, ...users]
//     );

//     const {
//       getLendingPoolInstance,
//       getLendingPoolCoreInstance,
//       getAllAssetsInstances,
//       getATokenInstances
//     } = _testEnvProvider;
//     const instances = await Promise.all([
//       getATokenInstances(), getAllAssetsInstances(), getLendingPoolInstance(), getLendingPoolCoreInstance()
//     ])

//     _aDAI = instances[0].aDAI
//     _DAI = instances[1].DAI
//     _lendingPoolInstance = instances[2];
//     _lendingPoolCoreInstance = instances[3]

//     console.timeEnd('setup-test');
//   });

//   it('User 0 deposits 1000 DAI, transfers to user 1', async () => {
//     await _DAI.mint(await convertToCurrencyDecimals(_DAI.address, '1000'), {
//       from: users[0],
//     });

//     await _DAI.approve(_lendingPoolCoreInstance.address, APPROVAL_AMOUNT_LENDING_POOL_CORE, {
//       from: users[0],
//     });

//     //user 1 deposits 1000 DAI
//     const amountDAItoDeposit = await convertToCurrencyDecimals(_DAI.address, '1000');

//     await _lendingPoolInstance.deposit(_DAI.address, amountDAItoDeposit, '0', {
//       from: users[0],
//     });

//     await _aDAI.transfer(users[1], amountDAItoDeposit, {from: users[0]})

//     const fromBalance = await _aDAI.balanceOf(users[0])
//     const toBalance = await _aDAI.balanceOf(users[1])

//     expect(fromBalance.toString()).to.be.equal("0", "Invalid from balance after transfer")
//     expect(toBalance.toString()).to.be.equal(amountDAItoDeposit.toString(), "Invalid to balance after transfer")

//   });


//   it('User 1 redirects interest to user 2, transfers 500 DAI back to user 0', async () => {

//     await _aDAI.redirectInterestStream(users[2], {from: users[1]});


//     const aDAIRedirected = await convertToCurrencyDecimals(_DAI.address, '1000');

//     const aDAItoTransfer = await convertToCurrencyDecimals(_DAI.address, '500');

    
//     const user2RedirectedBalanceBefore = await _aDAI.getRedirectedBalance(users[2])
//     expect(user2RedirectedBalanceBefore.toString()).to.be.equal(aDAIRedirected, "Invalid redirected balance for user 2 before transfer")

//     await _aDAI.transfer(users[0], aDAItoTransfer, {from: users[1]})


//     const user2RedirectedBalanceAfter = await _aDAI.getRedirectedBalance(users[2])
//     const user1RedirectionAddress = await _aDAI.getInterestRedirectionAddress(users[1])

//     expect(user2RedirectedBalanceAfter.toString()).to.be.equal(aDAItoTransfer, "Invalid redirected balance for user 2 after transfer")
//     expect(user1RedirectionAddress.toString()).to.be.equal(users[2], "Invalid redirection address for user 1")

//   });

//   it('User 0 transfers back to user 1', async () => {


//     const aDAItoTransfer = await convertToCurrencyDecimals(_DAI.address, '500');


//     await _aDAI.transfer(users[1], aDAItoTransfer, {from: users[0]})


//     const user2RedirectedBalanceAfter = await _aDAI.getRedirectedBalance(users[2])

//     const user1BalanceAfter = await _aDAI.balanceOf(users[1])

//     expect(user2RedirectedBalanceAfter.toString()).to.be.equal(user1BalanceAfter.toString(), "Invalid redirected balance for user 2 after transfer")

//   });


//   it('User 0 deposits 1 ETH and user tries to borrow, but the aTokens received as a transfer are not available as collateral (revert expected)', async () => {

//     await _lendingPoolInstance.deposit(ETHEREUM_ADDRESS, oneEther, '0', {
//       from: users[0],
//       value: oneEther.toFixed(0)
//     });

 
//     await expectRevert(_lendingPoolInstance.borrow(ETHEREUM_ADDRESS, await convertToCurrencyDecimals(ETHEREUM_ADDRESS,"0.1"), RateMode.Stable, "0", {from: users[1]}), "The collateral balance is 0")

//   });

//   it('User 1 sets the DAI as collateral and borrows, tries to transfer everything back to user 0 (revert expected)', async () => {

//     await _lendingPoolInstance.setUserUseReserveAsCollateral(_DAI.address, true, {from: users[1]})

//     const aDAItoTransfer = await convertToCurrencyDecimals(_DAI.address, '1000');

//     await _lendingPoolInstance.borrow(ETHEREUM_ADDRESS, await convertToCurrencyDecimals(ETHEREUM_ADDRESS,"0.1"), RateMode.Stable, "0", {from: users[1]})

//     await expectRevert(_aDAI.transfer(users[0], aDAItoTransfer, {from: users[1]}), "Transfer cannot be allowed.")
//   });

 
//   it('User 0 tries to transfer 0 balance (revert expected)', async () => {
//     await expectRevert(_aDAI.transfer(users[1], "0", {from: users[0]}), "Transferred amount needs to be greater than zero")
//   });

//   it('User 1 repays the borrow, transfers aDAI back to user 0', async () => {

//     await _lendingPoolInstance.repay(ETHEREUM_ADDRESS, MAX_UINT_AMOUNT, users[1], {from: users[1], value: oneEther.toFixed(0)})

//     const aDAItoTransfer = await convertToCurrencyDecimals(_DAI.address, '1000');

//     await _aDAI.transfer(users[0], aDAItoTransfer, {from: users[1]})

//     const user2RedirectedBalanceAfter = await _aDAI.getRedirectedBalance(users[2])

//     const user1RedirectionAddress = await _aDAI.getInterestRedirectionAddress(users[1])

//     expect(user2RedirectedBalanceAfter.toString()).to.be.equal("0", "Invalid redirected balance for user 2 after transfer")

//     expect(user1RedirectionAddress.toString()).to.be.equal(NIL_ADDRESS, "Invalid redirected address for user 1")

//   });

//   it('User 0 redirects interest to user 2, transfers 500 aDAI to user 1. User 1 redirects to user 3. User 0 transfers another 100 aDAI', async () => {

   
//     let aDAItoTransfer = await convertToCurrencyDecimals(_DAI.address, '500');

//     await _aDAI.redirectInterestStream(users[2], {from: users[0]})

//     await _aDAI.transfer(users[1], aDAItoTransfer, {from: users[0]})

//     await _aDAI.redirectInterestStream(users[3], {from: users[1]})

//     aDAItoTransfer = await convertToCurrencyDecimals(_DAI.address, '100');

//     await _aDAI.transfer(users[1], aDAItoTransfer, {from: users[0]})


//     const user2RedirectedBalanceAfter = await _aDAI.getRedirectedBalance(users[2])
//     const user3RedirectedBalanceAfter = await _aDAI.getRedirectedBalance(users[3])

//     const expectedUser2Redirected = await convertToCurrencyDecimals(_DAI.address, "400")
//     const expectedUser3Redirected = await convertToCurrencyDecimals(_DAI.address, "600")

//     expect(user2RedirectedBalanceAfter.toString()).to.be.equal(expectedUser2Redirected, "Invalid redirected balance for user 2 after transfer")
//     expect(user3RedirectedBalanceAfter.toString()).to.be.equal(expectedUser3Redirected, "Invalid redirected balance for user 3 after transfer")


//   });


// });