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fee with MKR new function

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This commit is contained in:
Samyak Jain 2019-10-23 20:06:19 +05:30
parent 2c1b42c6bf
commit 2f440bca2f
1 changed files with 54 additions and 24 deletions
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76
contracts/ProxyLogics/InstaMakerCompBridge.sol
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@ -336,13 +336,7 @@ contract MakerResolver is InstaPoolResolver {
/**
* @dev Pay CDP debt
*/
function wipe(
uint cdpNum,
uint _wad,
bool isCompound,
bool feeInMkr
) internal returns (uint daiAmt)
{
function wipe(uint cdpNum, uint _wad, bool isCompound) internal returns (uint daiAmt) {
if (_wad > 0) {
TubInterface tub = TubInterface(getSaiTubAddress());
UniswapExchange daiEx = UniswapExchange(getUniswapDAIExchange());
@ -364,27 +358,20 @@ contract MakerResolver is InstaPoolResolver {
// MKR required for wipe = Stability fees accrued in Dai / MKRUSD value
uint mkrFee = wdiv(rmul(_wad, rdiv(tub.rap(cup), tub.tab(cup))), uint(val));
uint daiFeeAmt = 0;
if (!feeInMkr) {
daiFeeAmt = daiEx.getTokenToEthOutputPrice(mkrEx.getEthToTokenOutputPrice(mkrFee));
uint daiFeeAmt = daiEx.getTokenToEthOutputPrice(mkrEx.getEthToTokenOutputPrice(mkrFee));
daiAmt = add(_wad, daiFeeAmt);
} else {
daiAmt = _wad;
}
// Getting Liquidity from Liquidity Contract
accessDai(daiAmt, isCompound);
if (ok && val != 0 && !feeInMkr) {
if (ok && val != 0) {
daiEx.tokenToTokenSwapOutput(
mkrFee,
daiFeeAmt + 1,
daiFeeAmt,
uint(999000000000000000000),
uint(1899063809), // 6th March 2030 GMT // no logic
address(mkr)
);
} else if (ok && val != 0) {
require(mkr.transferFrom(msg.sender, address(this), mkrFee), "MKR-Allowance?");
}
tub.wipe(cup, _wad);
@ -400,6 +387,49 @@ contract MakerResolver is InstaPoolResolver {
}
}
/**
* @dev Pay CDP debt
*/
function wipeWithMkr(uint cdpNum, uint _wad, bool isCompound) internal {
if (_wad > 0) {
TubInterface tub = TubInterface(getSaiTubAddress());
TokenInterface dai = tub.sai();
TokenInterface mkr = tub.gov();
bytes32 cup = bytes32(cdpNum);
(address lad,,,) = tub.cups(cup);
require(lad == address(this), "cup-not-owned");
setMakerAllowance(dai, getSaiTubAddress());
setMakerAllowance(mkr, getSaiTubAddress());
setMakerAllowance(dai, getUniswapDAIExchange());
(bytes32 val, bool ok) = tub.pep().peek();
// MKR required for wipe = Stability fees accrued in Dai / MKRUSD value
uint mkrFee = wdiv(rmul(_wad, rdiv(tub.rap(cup), tub.tab(cup))), uint(val));
// Getting Liquidity from Liquidity Contract
accessDai(_wad, isCompound);
if (ok && val != 0) {
require(mkr.transferFrom(msg.sender, address(this), mkrFee), "MKR-Allowance?");
}
tub.wipe(cup, _wad);
emit LogWipe(
cdpNum,
_wad,
mkrFee,
0,
address(this)
);
}
}
/**
* @dev Withdraw CDP
*/
@ -489,12 +519,12 @@ contract MakerResolver is InstaPoolResolver {
bool feeInMkr
) internal returns (uint daiAmt)
{
daiAmt = wipe(
cdpNum,
_wad,
isCompound,
feeInMkr
);
if (feeInMkr) {
wipeWithMkr(cdpNum, _wad, isCompound);
daiAmt = _wad;
} else {
daiAmt = wipe(cdpNum, _wad, isCompound);
}
free(cdpNum, jam);
}