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Multi token flashloan

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This commit is contained in:
Mubaris NK 2021-04-23 19:45:09 +05:30
parent cab583e945
commit f71ecdf427
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GPG Key ID: 9AC09AD0F8D68561
1 changed files with 62 additions and 11 deletions
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73
test/receiver_flashloan.test.js
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@ -66,6 +66,16 @@ describe("Receiver", function() {
const usdcHolder = ethers.provider.getSigner(usdcHolderAddr)
const usdcContract = new ethers.Contract(usdc, erc20Abi, usdcHolder)
await usdcContract.transfer(receiver.address, ethers.utils.parseUnits('1000000', 6))
const daiHolderAddr = '0x7A61A0Ed364E599Ae4748D1EbE74bf236Dd27B09' // 300,000
await accounts[0].sendTransaction({ to: daiHolderAddr, value: ethers.utils.parseEther('1') })
await hre.network.provider.request({
method: "hardhat_impersonateAccount",
params: [ daiHolderAddr ]
})
const daiHolder = ethers.provider.getSigner(daiHolderAddr)
const daiContract = new ethers.Contract(dai, erc20Abi, daiHolder)
await daiContract.transfer(receiver.address, ethers.utils.parseUnits('10000', 18))
})
// it("should change the implementation", async function() {
@ -147,17 +157,58 @@ describe("Receiver", function() {
[ethers.utils.parseUnits('1000', 6)],
0,
abiData
// {
// dsa: dsaAddr,
// route: 0,
// tokens: [usdc],
// amounts: [ethers.utils.parseUnits('1000', 6)],
// dsaTargets: ['AAVE-V2-A', 'AAVE-V2-A'],
// dsaData: [
// aave.encodeFunctionData('deposit', (usdc, ethers.utils.parseUnits('1000', 6), 0, 0)),
// aave.encodeFunctionData('withdraw', (usdc, ethers.utils.parseUnits('1000', 6), 0, 0))
// ]
// }
)
await tx.wait()
})
it("multi token flashloan", async function() {
const dsaAddr = '0x150Acc42e6751776c9E784EfF830cB4f35aE98f3'
await hre.network.provider.request({
method: "hardhat_impersonateAccount",
params: [ dsaAddr ]
})
const dsaSigner = ethers.provider.getSigner(dsaAddr)
const aave = new ethers.utils.Interface([
'function deposit(address,uint256,uint256,uint256)',
'function withdraw(address,uint256,uint256,uint256)'
])
const basic = new ethers.utils.Interface([
'function withdraw(address,uint256,address,uint256,uint256)'
])
const abiCoder = ethers.utils.defaultAbiCoder
const abiData = abiCoder.encode(
['address', 'uint256', 'address[]', 'uint256[]', 'string[]', 'bytes[]'],
[
dsaAddr,
0,
[usdc, dai],
[ethers.utils.parseUnits('1000', 6), ethers.utils.parseEther('5000')],
['AAVE-V2-A', 'AAVE-V2-A', 'AAVE-V2-A', 'AAVE-V2-A', 'BASIC-A', 'BASIC-A'],
[
aave.encodeFunctionData('deposit', [usdc, ethers.utils.parseUnits('1000', 6), 0, 0]),
aave.encodeFunctionData('deposit', [dai, ethers.utils.parseEther('5000'), 0, 0]),
aave.encodeFunctionData('withdraw', [usdc, ethers.utils.parseUnits('1000', 6), 0, 0]),
aave.encodeFunctionData('withdraw', [dai, ethers.utils.parseEther('5000'), 0, 0]),
basic.encodeFunctionData('withdraw', [usdc, ethers.utils.parseUnits('1000', 6), receiver.address, 0, 0]),
basic.encodeFunctionData('withdraw', [dai, ethers.utils.parseEther('5000'), receiver.address, 0, 0])
]
]
)
// console.log('abiData', abiData)
const tx = await receiver.connect(dsaSigner).initiateFlashLoan(
[usdc, dai],
[ethers.utils.parseUnits('1000', 6), ethers.utils.parseEther('5000')],
0,
abiData
)
await tx.wait()