Repay Loan

This flow describes the backend flow for processing a user requested repayment of an active loan.

Frontend Requests a Loan Repayment

****API ENDPOINT***

The backend will need to get the lender market address from the provided lender name

Params

Type	Name	Description
Number	loanId	The loan ID that is to be repaid
String	lenderName	The name of the lender being targeted
String	tokenAddress	The debt token being repaid
Number	rateMode	The rate mode used to take the loan out
Number	amount	The amount being repaid

Backend Processes Repayment

Step 1: Create Repayment Data

repaymentData = encode(
    [uint256, address, address, uint256, uint256],
    [loanId, marketAddress, tokenAddress, rateMode, amount]
 )

repayData = contract.encodeABI(
    fn_name="repayLender", 
    args=[supplyBytesData, value, userAddress, lender]
)

Step 2: Execute repayLender Function

protocol.execute("LenderModule", 0 ether, repayData, Enum.Operation.Cal)

Backend Processes Loan Update

Step 1: Create Loan Update Data

loanUpdateData = encode(
    [uint256, uint256],
    [1, collateralBalance]
)

Step 2: Create UpdateLoan Fn Bytes

updateFn = contract.encodeABI(
    fn_name="updateLoan",
    args=[loanUpdateInfo, userAddress, uniqueId]
)

Step 3: Execute updateLoanInfo

protocol.execute("LoanBrokerageModule", 0 ether, updateFn, Enum.Operation.Call)