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repayBorrowBehalf

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This commit is contained in:
Samyak Jain 2019-10-12 17:23:17 +05:30
parent f7432174a0
commit 43738c572f
1 changed files with 7 additions and 4 deletions
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11
contracts/ProxyLogics/InstaCompound.sol
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@ -144,6 +144,7 @@ contract CompoundResolver is Helpers {
event LogRedeem(address erc20, address cErc20, uint tokenAmt, address owner); event LogRedeem(address erc20, address cErc20, uint tokenAmt, address owner);
event LogBorrow(address erc20, address cErc20, uint tokenAmt, address owner); event LogBorrow(address erc20, address cErc20, uint tokenAmt, address owner);
event LogRepay(address erc20, address cErc20, uint tokenAmt, address owner); event LogRepay(address erc20, address cErc20, uint tokenAmt, address owner);
event LogRepayBehalf(address borrower, address erc20, address cErc20, uint tokenAmt, address owner);
/** /**
* @dev Deposit ETH/ERC20 and mint Compound Tokens * @dev Deposit ETH/ERC20 and mint Compound Tokens
@ -286,13 +287,14 @@ contract CompoundResolver is Helpers {
if (erc20 == getAddressETH()) { if (erc20 == getAddressETH()) {
CETHInterface cToken = CETHInterface(cErc20); CETHInterface cToken = CETHInterface(cErc20);
uint toRepay = msg.value; uint toRepay = msg.value;
uint borrows = cToken.borrowBalanceCurrent(address(this)); uint borrows = cToken.borrowBalanceCurrent(borrower);
if (toRepay > borrows) { if (toRepay > borrows) {
toRepay = borrows; toRepay = borrows;
msg.sender.transfer(msg.value - toRepay); msg.sender.transfer(msg.value - toRepay);
} }
cToken.repayBorrowBehalf.value(toRepay)(borrower); cToken.repayBorrowBehalf.value(toRepay)(borrower);
emit LogRepay( emit LogRepayBehalf(
borrower,
erc20, erc20,
cErc20, cErc20,
toRepay, toRepay,
@ -302,7 +304,7 @@ contract CompoundResolver is Helpers {
CERC20Interface cToken = CERC20Interface(cErc20); CERC20Interface cToken = CERC20Interface(cErc20);
ERC20Interface token = ERC20Interface(erc20); ERC20Interface token = ERC20Interface(erc20);
uint toRepay = token.balanceOf(msg.sender); uint toRepay = token.balanceOf(msg.sender);
uint borrows = cToken.borrowBalanceCurrent(address(this)); uint borrows = cToken.borrowBalanceCurrent(borrower);
if (toRepay > tokenAmt) { if (toRepay > tokenAmt) {
toRepay = tokenAmt; toRepay = tokenAmt;
} }
@ -312,7 +314,8 @@ contract CompoundResolver is Helpers {
setApproval(erc20, toRepay, cErc20); setApproval(erc20, toRepay, cErc20);
token.transferFrom(msg.sender, address(this), toRepay); token.transferFrom(msg.sender, address(this), toRepay);
require(cToken.repayBorrowBehalf(borrower, tokenAmt) == 0, "transfer approved?"); require(cToken.repayBorrowBehalf(borrower, tokenAmt) == 0, "transfer approved?");
emit LogRepay( emit LogRepayBehalf(
borrower,
erc20, erc20,
cErc20, cErc20,
toRepay, toRepay,