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Withdraw

Learn how to withdraw a position from Morpho, on-chain via a Smart Contract & off-chain via ethers.js.
Withdraw a supply position, off-chain through Etherscan or with ethers.js, or on-chain using a Smart Contract. Here are concrete examples 👇

Morpho-Compound

Solidity
ethers.js
// SPDX-License-Identifier: GNU AGPLv3
pragma solidity ^0.8.16;
import {IMorpho} from "@morpho-dao/morpho-core-v1/contracts/compound/interfaces/IMorpho.sol";
import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
interface IWETH9 {
function withdraw(uint256) external;
}
contract MorphoCompoundWithdrawer {
address public constant WETH = 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2;
address public constant CETH = 0x4Ddc2D193948926D02f9B1fE9e1daa0718270ED5;
address public constant CDAI = 0x5d3a536E4D6DbD6114cc1Ead35777bAB948E3643;
address public constant MORPHO = 0x8888882f8f843896699869179fB6E4f7e3B58888;
function _withdrawERC20(address _cToken, uint256 _amount) internal {
IMorpho(MORPHO).withdraw(_cToken, _amount);
}
function withdrawERC20(uint256 _amount) external {
_withdrawERC20(
CDAI, // the DAI market, represented by the cDAI ERC20 token
_amount
);
// this contract now has _amount DAI: IERC20(DAI).balanceOf(address(this)) == _amount
}
function withdrawETH(uint256 _amount) external {
_withdrawERC20(
CETH, // the ETH market, represented by the cETH ERC20 token
_amount
);
// this contract now has _amount WETH: IERC20(WETH).balanceOf(address(this)) == _amount
IWETH9(WETH).withdraw(_amount);
// this contract now has _amount ETH: address(this).balance == _amount
}
}
import ethers from "ethers";
const signer = new ethers.Wallet(
process.env.PRIVATE_KEY,
new ethers.providers.JsonRpcBatchProvider(process.env.RPC_URL)
);
const signerAddress = await signer.getAddress();
const cEthAddress = "0x4Ddc2D193948926D02f9B1fE9e1daa0718270ED5";
const cDaiAddress = "0x5d3a536E4D6DbD6114cc1Ead35777bAB948E3643";
const daiDecimals = 18;
const weth = new ethers.Contract(
"0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",
["function withdraw(uint256) external"],
signer
);
const morpho = new ethers.Contract(
"0x8888882f8f843896699869179fB6E4f7e3B58888",
["function withdraw(address, uint256) external"],
signer
);
async function withdrawERC20(cTokenAddress, amount) {
await morpho.withdraw(cTokenAddress, amount);
}
async function withdrawDAI(amount) {
return withdrawERC20(
cDaiAddress, // the DAI market, represented by the cDAI ERC20 token
amount
);
// signer now has _amount WETH: dai.balanceOf(signerAddress) == _amount
}
async function withdrawETH(amount) {
await withdrawERC20(
cEthAddress, // the WETH market, represented by the cETH ERC20 token
amount
);
// signer now has _amount WETH: weth.balanceOf(signerAddress) == _amount
return weth.withdraw(amount);
// signer now has _amount ETH: signer.getBalance() == _amount
}
// withdrawDAI(ethers.utils.parseUnits(100, 18)); // DAI has 18 decimals
// withdrawETH(ethers.utils.parseEther(1));

Morpho-AaveV2

Solidity
ethers.js
// SPDX-License-Identifier: GNU AGPLv3
pragma solidity ^0.8.16;
import {IMorpho} from "./interfaces/IMorpho.sol";
import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
interface IWETH9 {
function withdraw(uint256) external;
}
contract MorphoAaveV2Withdrawer {
address public constant WETH = 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2;
address public constant AWETH = 0x030bA81f1c18d280636F32af80b9AAd02Cf0854e;
address public constant DAI = 0x6B175474E89094C44Da98b954EedeAC495271d0F;
address public constant ADAI = 0x028171bCA77440897B824Ca71D1c56caC55b68A3;
address public constant MORPHO = 0x777777c9898D384F785Ee44Acfe945efDFf5f3E0;
function _withdrawERC20(address _aToken, uint256 _amount) internal {
IMorpho(MORPHO).withdraw(_aToken, _amount);
}
function withdrawERC20(uint256 _amount) public {
_withdrawERC20(
ADAI, // the DAI market, represented by the aDAI ERC20 token
_amount
);
// this contract now has _amount DAI: IERC20(DAI).balanceOf(address(this)) == _amount
}
function withdrawETH(uint256 _amount) public {
_withdrawERC20(
AWETH, // the ETH market, represented by the aWETH ERC20 token
_amount
);
// this contract now has _amount WETH: IERC20(WETH).balanceOf(address(this)) == _amount
IWETH9(WETH).withdraw(_amount);
// this contract now has _amount ETH: address(this).balance == _amount
}
}
import ethers from "ethers";
const signer = new ethers.Wallet(
process.env.PRIVATE_KEY,
new ethers.providers.JsonRpcBatchProvider(process.env.RPC_URL)
);
const signerAddress = await signer.getAddress();
const aWethAddress = "0x030bA81f1c18d280636F32af80b9AAd02Cf0854e";
const aDaiAddress = "0x028171bCA77440897B824Ca71D1c56caC55b68A3";
const daiDecimals = 18;
const weth = new ethers.Contract(
"0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",
["function withdraw(uint256) external"],
signer
);
const morpho = new ethers.Contract(
"0x777777c9898d384f785ee44acfe945efdff5f3e0",
["function withdraw(address, uint256) external"],
signer
);
async function withdrawERC20(aTokenAddress, amount) {
await morpho.withdraw(aTokenAddress, amount);
}
async function withdrawDAI(amount) {
return withdrawERC20(
aDaiAddress, // the DAI market, represented by the aDAI ERC20 token
amount
);
// signer now has _amount WETH: dai.balanceOf(signerAddress) == _amount
}
async function withdrawETH(amount) {
await withdrawERC20(
aWethAddress, // the WETH market, represented by the cETH ERC20 token
amount
);
// signer now has _amount WETH: weth.balanceOf(signerAddress) == _amount
return weth.withdraw(amount);
// signer now has _amount ETH: signer.getBalance() == _amount
}
// withdrawDAI(ethers.utils.parseUnits(100, 18)); // DAI has 18 decimals
// withdrawETH(ethers.utils.parseEther(1));

ERC-4626 Vaults

Morpho's vaults are a new way to interact with Morpho according to the ERC-4626 standard. Learn more on the dedicated page.
Solidity
ethers.js
// SPDX-License-Identifier: GNU AGPLv3
pragma solidity ^0.8.13;
import {ISupplyVault} from "@morpho-dao/morpho-tokenized-vaults/src/compound/interfaces/ISupplyVault.sol";
import {ISupplyHarvestVault} from "@morpho-dao/morpho-tokenized-vaults/src/compound/interfaces/ISupplyHarvestVault.sol";
contract MorphoCompoundVaultSupplier {
address public constant MC_DAI = 0xd99D793B8FDaE42C1867293C172b9CBBD3ea49FF;
address public constant MCH_DAI =
0x5CBead740564A2173983E48f94F36357C1954EAE;
function withdraw(uint256 _amount) internal {
ISupplyVault(MC_DAI).withdraw(
_amount,
address(this), // the address of the receiver of the funds withdrawn
address(this) // the address of the user you want to withdraw from (they must have approved this contract to spend their tokens)
);
}
function withdrawHarvest(uint256 _amount) internal {
ISupplyHarvestVault(MCH_DAI).withdraw(
_amount,
address(this), // the address of the receiver of the funds withdrawn
address(this) // the address of the user you want to withdraw from (they must have approved this contract to spend their tokens)
);
}
}
import ethers from "ethers";
const signer = new ethers.Wallet(
process.env.PRIVATE_KEY,
new ethers.providers.JsonRpcBatchProvider(process.env.RPC_URL)
);
const daiDecimals = 18;
const mcDai = new ethers.Contract(
"0xd99D793B8FDaE42C1867293C172b9CBBD3ea49FF",
SupplyVaultAbi,
signer
);
const mchDai = new ethers.Contract(
"0x5CBead740564A2173983E48f94F36357C1954EAE",
SupplyHarvestVaultAbi,
signer
);
const amount = ethers.utils.parseUnits("100", daiDecimals);
mcDai.withdraw(amount, signer.address, signer.address);
mchDai.withdraw(amount, signer.address, signer.address);
Last modified 1mo ago