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View Code? Open in Web Editor NEWLearn how to supply tokens to the Aave liquidity pool and earn interest in the form of passive income on your investment.
Learn how to supply tokens to the Aave liquidity pool and earn interest in the form of passive income on your investment.
The error is:
Compiled 1 Solidity file successfully
deploying...
Error: cannot estimate gas; transaction may fail or may require manual gas limit [ See: https://links.ethers.org/v5-errors-UNPREDICTABLE_GAS_LIMIT ] (reason="Transaction reverted: function returned an unexpected amount of data", method="estimateGas", 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error={"stackTrace":[{"type":13,"sourceReference":{"function":"constructor","contract":"MarketInteractions","sourceName":"contracts/MarketInteractions.sol","sourceContent":"// SPDX-License-Identifier: MIT\r\npragma solidity 0.8.10;\r\n\r\nimport {IPool} from \"@aave/core-v3/contracts/interfaces/IPool.sol\";\r\nimport {IPoolAddressesProvider} from \"@aave/core-v3/contracts/interfaces/IPoolAddressesProvider.sol\";\r\nimport {IERC20} from \"@aave/core-v3/contracts/dependencies/openzeppelin/contracts/IERC20.sol\";\r\n\r\ncontract MarketInteractions {\r\n address payable owner;\r\n\r\n IPoolAddressesProvider public immutable ADDRESSES_PROVIDER;\r\n IPool public immutable POOL;\r\n\r\n address private immutable linkAddress =\r\n 0x07C725d58437504CA5f814AE406e70E21C5e8e9e;\r\n IERC20 private link;\r\n\r\n constructor(address _addressProvider) {\r\n ADDRESSES_PROVIDER = IPoolAddressesProvider(_addressProvider);\r\n
POOL = IPool(ADDRESSES_PROVIDER.getPool());\r\n owner = payable(msg.sender);\r\n link = IERC20(linkAddress);\r\n
}\r\n\r\n function supplyLiquidity(address _tokenAddress, uint256 _amount) external {\r\n address asset = _tokenAddress;\r\n uint256 amount = _amount;\r\n address onBehalfOf = address(this);\r\n uint16 referralCode = 0;\r\n\r\n
POOL.supply(asset, amount, onBehalfOf, referralCode);\r\n }\r\n\r\n function withdrawlLiquidity(address _tokenAddress, uint256 _amount)\r\n external\r\n returns (uint256)\r\n {\r\n address asset = _tokenAddress;\r\n uint256 amount = _amount;\r\n address to = address(this);\r\n\r\n return POOL.withdraw(asset, amount, to);\r\n }\r\n\r\n function getUserAccountData(address _userAddress)\r\n external\r\n view\r\n returns (\r\n uint256 totalCollateralBase,\r\n uint256 totalDebtBase,\r\n uint256 availableBorrowsBase,\r\n uint256 currentLiquidationThreshold,\r\n uint256 ltv,\r\n uint256 healthFactor\r\n )\r\n {\r\n return POOL.getUserAccountData(_userAddress);\r\n }\r\n\r\n function approveLINK(uint256 _amount, address _poolContractAddress)\r\n external\r\n returns (bool)\r\n {\r\n return link.approve(_poolContractAddress, _amount);\r\n }\r\n\r\n function allowanceLINK(address _poolContractAddress)\r\n external\r\n view\r\n returns (uint256)\r\n {\r\n return link.allowance(address(this), _poolContractAddress);\r\n }\r\n\r\n function getBalance(address _tokenAddress) external view returns (uint256) {\r\n return IERC20(_tokenAddress).balanceOf(address(this));\r\n }\r\n\r\n function withdraw(address _tokenAddress) external onlyOwner {\r\n IERC20 token = IERC20(_tokenAddress);\r\n token.transfer(msg.sender, token.balanceOf(address(this)));\r\n }\r\n\r\n modifier onlyOwner() {\r\n require(\r\n msg.sender == owner,\r\n \"Only the contract owner can call this function\"\r\n );\r\n _;\r\n }\r\n\r\n receive() external payable {}\r\n}\r\n","line":20,"range":[756,784]}}],"data":"0x"}, code=UNPREDICTABLE_GAS_LIMIT, version=providers/5.7.2)
at Logger.makeError (D:\Programming\Blockchain\Projects\aave-liquidity-pool-tutorial\node_modules\@ethersproject\logger\src.ts\index.ts:269:28)
at Logger.throwError (D:\Programming\Blockchain\Projects\aave-liquidity-pool-tutorial\node_modules\@ethersproject\logger\src.ts\index.ts:281:20)
at checkError (D:\Programming\Blockchain\Projects\aave-liquidity-pool-tutorial\node_modules\@ethersproject\providers\src.ts\json-rpc-provider.ts:78:20)
at EthersProviderWrapper.<anonymous> (D:\Programming\Blockchain\Projects\aave-liquidity-pool-tutorial\node_modules\@ethersproject\providers\src.ts\json-rpc-provider.ts:642:20)
at step (D:\Programming\Blockchain\Projects\aave-liquidity-pool-tutorial\node_modules\@ethersproject\providers\lib\json-rpc-provider.js:48:23)
at Object.throw (D:\Programming\Blockchain\Projects\aave-liquidity-pool-tutorial\node_modules\@ethersproject\providers\lib\json-rpc-provider.js:29:53)
at rejected (D:\Programming\Blockchain\Projects\aave-liquidity-pool-tutorial\node_modules\@ethersproject\providers\lib\json-rpc-provider.js:21:65)
at processTicksAndRejections (node:internal/process/task_queues:95:5)
at runNextTicks (node:internal/process/task_queues:64:3)
at listOnTimeout (node:internal/timers:533:9) {
reason: 'Transaction reverted: function returned an unexpected amount of data',
code: 'UNPREDICTABLE_GAS_LIMIT',
method: 'estimateGas',
transaction: {
from: '0xf39Fd6e51aad88F6F4ce6aB8827279cffFb92266',
data: 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accessList: null
},
error: Error: Transaction reverted: function returned an unexpected amount of data
at MarketInteractions.constructor (contracts/MarketInteractions.sol:20)
at processTicksAndRejections (node:internal/process/task_queues:95:5)
at runNextTicks (node:internal/process/task_queues:64:3)
at listOnTimeout (node:internal/timers:533:9)
at processTimers (node:internal/timers:507:7)
at EthModule._estimateGasAction (D:\Programming\Blockchain\Projects\aave-liquidity-pool-tutorial\node_modules\hardhat\src\internal\hardhat-network\provider\modules\eth.ts:429:7)
at HardhatNetworkProvider.request (D:\Programming\Blockchain\Projects\aave-liquidity-pool-tutorial\node_modules\hardhat\src\internal\hardhat-network\provider\provider.ts:118:18)
at EthersProviderWrapper.send (D:\Programming\Blockchain\Projects\aave-liquidity-pool-tutorial\node_modules\@nomiclabs\hardhat-ethers\src\internal\ethers-provider-wrapper.ts:13:20)
}
error Command failed with exit code 1.
I am just doing yarn hardhat run .\scripts\deployMarketInteractions.js
Do you have any ideas why this happens?
I believe it is because of this line POOL = IPool(ADDRESSES_PROVIDER.getPool());
, but I don't know why it doesn't work on my PC but worked in your video. I figured that calling getPool() gives this error, but still... why?
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