aave-protocol-v2/test-suites/test-amm/atoken-transfer.spec.ts
2021-02-22 15:59:51 -05:00

100 lines
3.6 KiB
TypeScript

import { APPROVAL_AMOUNT_LENDING_POOL, 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 '../../markets/amm/commons';
const AAVE_REFERRAL = CommonsConfig.ProtocolGlobalParams.AaveReferral;
makeSuite('AToken: Transfer', (testEnv: TestEnv) => {
const {
INVALID_FROM_BALANCE_AFTER_TRANSFER,
INVALID_TO_BALANCE_AFTER_TRANSFER,
VL_TRANSFER_NOT_ALLOWED,
} = 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 name = await aDai.name();
expect(name).to.be.equal('Aave AMM Market DAI');
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 variable 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.Variable,
AAVE_REFERRAL,
users[1].address
);
const userReserveData = await helpersContract.getUserReserveData(
weth.address,
users[1].address
);
expect(userReserveData.currentVariableDebt.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),
VL_TRANSFER_NOT_ALLOWED
).to.be.revertedWith(VL_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());
});
});