permit-deposit

Deposit into Yearn Vaults in a single transaction using a approvals by signature.

Available for tokens which implement permit. See also EIP-2612.

DAI

Mainnet deployment: 0xF6f4526a05a38198dBEddFc226d30dbb5419951F for 0xBFa4D8AA6d8a379aBFe7793399D3DdaCC5bBECBB

deposit(uint amount, Permit permit)

where Permit is a signed permit for DAI contract

(address holder, address spender, uint256 nonce, uint256 expiry, bool allowed, uint8 v, bytes32 r, bytes32 s)

Learn how to construct a permit using web3.js or using python.

Mainnet deployment: 0x8cd1675776fA1C1377E60EB3f47D3C8857630052 for 0xe2F6b9773BF3A015E2aA70741Bde1498bdB9425b

deposit(uint amount, Permit permit)

where Permit is a signer permit for USDC contract

(address owner, address spender, uint256 value, uint256 nonce, uint256 deadline, uint8 v, bytes32 r, bytes32 s)

Learn how to construct a permit using python.

Relevant contract source code.