File: YieldStakingBase.sol#_repay()

438:     poolYield.yieldRepayERC20(poolId, address(underlyingAsset), vars.nftDebt);
File: YieldLogic.sol

106:     if (vars.stakerBorrow < params.amount) {
107:       params.amount = vars.stakerBorrow;
108:     }
File: YieldStakingBase.sol#_repay()

    vars.claimedYield = protocolClaimWithdraw(sd);

    vars.nftDebt = _getNftDebtInUnderlyingAsset(sd);
    vars.nftDebtWithFine = vars.nftDebt + sd.unstakeFine; 

    // compute repay value
    if (vars.claimedYield >= vars.nftDebtWithFine) {
      vars.remainAmount = vars.claimedYield - vars.nftDebtWithFine;
    } else {
      vars.extraAmount = vars.nftDebtWithFine - vars.claimedYield;
    }
