aave-protocol-v2/test/atoken-transfer.spec.ts
2020-10-29 11:57:43 +01:00

99 lines
3.6 KiB
TypeScript

import {MAX_UINT_AMOUNT, ZERO_ADDRESS} from '../helpers/constants';
import {convertToCurrencyDecimals} from '../helpers/contracts-helpers';
import {expect} from 'chai';
import {ethers} from 'ethers';
import {RateMode, ProtocolErrors} from '../helpers/types';
import {makeSuite, TestEnv} from './helpers/make-suite';
import {CommonsConfig} from '../config/commons';
const APPROVAL_AMOUNT_LENDING_POOL =
CommonsConfig.ProtocolGlobalParams.ApprovalAmountLendingPoolCore;
const AAVE_REFERRAL = CommonsConfig.ProtocolGlobalParams.AaveReferral;
makeSuite('AToken: Transfer', (testEnv: TestEnv) => {
const {
INVALID_FROM_BALANCE_AFTER_TRANSFER,
INVALID_TO_BALANCE_AFTER_TRANSFER,
// ZERO_COLLATERAL,
COLLATERAL_BALANCE_IS_0,
TRANSFER_NOT_ALLOWED,
IS_PAUSED,
} = ProtocolErrors;
it('User 0 deposits 1000 DAI, transfers to user 1', async () => {
const {users, pool, dai, aDai} = testEnv;
await dai.connect(users[0].signer).mint(await convertToCurrencyDecimals(dai.address, '1000'));
await dai.connect(users[0].signer).approve(pool.address, APPROVAL_AMOUNT_LENDING_POOL);
//user 1 deposits 1000 DAI
const amountDAItoDeposit = await convertToCurrencyDecimals(dai.address, '1000');
await pool
.connect(users[0].signer)
.deposit(dai.address, amountDAItoDeposit, users[0].address, '0');
await aDai.connect(users[0].signer).transfer(users[1].address, amountDAItoDeposit);
const fromBalance = await aDai.balanceOf(users[0].address);
const toBalance = await aDai.balanceOf(users[1].address);
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 0 deposits 1 WETH and user 1 tries to borrow the WETH with the received DAI as collateral', async () => {
const {users, pool, weth, helpersContract} = testEnv;
const userAddress = await pool.signer.getAddress();
await weth.connect(users[0].signer).mint(await convertToCurrencyDecimals(weth.address, '1'));
await weth.connect(users[0].signer).approve(pool.address, APPROVAL_AMOUNT_LENDING_POOL);
await pool
.connect(users[0].signer)
.deposit(weth.address, ethers.utils.parseEther('1.0'), userAddress, '0');
await pool
.connect(users[1].signer)
.borrow(
weth.address,
ethers.utils.parseEther('0.1'),
RateMode.Stable,
AAVE_REFERRAL,
users[1].address
);
const userReserveData = await helpersContract.getUserReserveData(weth.address, users[1].address);
expect(userReserveData.currentStableDebt.toString()).to.be.eq(ethers.utils.parseEther('0.1'));
});
it('User 1 tries to transfer all the DAI used as collateral back to user 0 (revert expected)', async () => {
const {users, pool, aDai, dai, weth} = testEnv;
const aDAItoTransfer = await convertToCurrencyDecimals(dai.address, '1000');
await expect(
aDai.connect(users[1].signer).transfer(users[0].address, aDAItoTransfer),
TRANSFER_NOT_ALLOWED
).to.be.revertedWith(TRANSFER_NOT_ALLOWED);
});
it('User 1 tries to transfer a small amount of DAI used as collateral back to user 0', async () => {
const {users, pool, aDai, dai, weth} = testEnv;
const aDAItoTransfer = await convertToCurrencyDecimals(dai.address, '100');
await aDai.connect(users[1].signer).transfer(users[0].address, aDAItoTransfer);
const user0Balance = await aDai.balanceOf(users[0].address);
expect(user0Balance.toString()).to.be.eq(aDAItoTransfer.toString());
});
});