Repay Borrow Behalf

The repay function transfers an asset into the protocol, reducing the target user's borrow balance.

AErc20

function repayBorrowBehalf(address borrower, uint repayAmount) returns (uint)

• msg.sender: The account which shall repay the borrow.

• borrower: The account which borrowed the asset to be repaid.

• repayAmount: The amount of the underlying borrowed asset to be repaid. A value of -1 (i.e. 2 ^ 256 - 1) can be used to repay the full amount.

• RETURN: 0 on success, otherwise an Error code

Before repaying an asset, users must first approve the aToken to access their token balance.

CEther

function repayBorrowBehalf(address borrower) payable

• msg.value [payable]: The amount of ether to be repaid, in wei.

• msg.sender: The account which shall repay the borrow.

• borrower: The account which borrowed the asset to be repaid.

• RETURN: No return, reverts on error.

Solidity

CEther aToken = CEther(0x3FDB...);
require(aToken.repayBorrowBehalf.value(100)(0xBorrower) == 0, "transfer approved?");

Web3 1.0

const aToken = AErc20.at(0x3FDA...);
await aToken.methods.repayBorrowBehalf(0xBorrower, 10000).send({from: 0xPayer});