Instadapp/InstaContract
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Completed Leverage CDP.

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This commit is contained in:
Sowmayjain 2019-01-27 04:59:17 +05:30
parent 9c6ad44c83
commit b9b2fad21d
2 changed files with 17 additions and 7 deletions
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1
contracts/v2/DAI2ETH.sol
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@ -2,7 +2,6 @@ pragma solidity ^0.4.24;
interface IERC20 {
function balanceOf(address who) external view returns (uint256);
// function transfer(address to, uint256 value) external returns (bool);
function approve(address spender, uint256 value) external returns (bool);
}

23
contracts/v2/LeverageCDP.sol
View File

@ -48,7 +48,11 @@ interface WETHFace {
interface Swap {
function dai2eth(uint srcDAI) external payable returns (uint destETH);
function expectedETH(uint srcDAI) external view returns (uint, uint);
}
interface InstaBank {
function claimCDP(uint cdpNum) external;
function transferCDPInternal(uint cdpNum, address nextOwner) external;
}
@ -107,7 +111,7 @@ contract LoopNewCDP is GlobalVar {
}
// useETH = msg.sender + personal ETH used to assist the operation
function riskNewCDP(uint eth2Lock, uint dai2Mint) public payable {
function riskNewCDP(uint eth2Lock, uint dai2Mint, bool isCDP2Sender) public payable {
require(!freezed, "Operation Disabled");
uint ethBal = address(this).balance;
@ -124,9 +128,10 @@ contract LoopNewCDP is GlobalVar {
loanMaster.draw(cup, dai2Mint);
IERC20 daiTkn = IERC20(getAddress("dai"));
address dai2eth = getAddress("dai2eth"); // DAI to ETH swapper
daiTkn.transfer(dai2eth, dai2Mint);
// SWAP DAI 2 ETH
address dai2eth = getAddress("dai2eth");
daiTkn.transfer(dai2eth, dai2Mint); // DAI >>> dai2eth
Swap resolveSwap = Swap(dai2eth);
resolveSwap.dai2eth(dai2Mint); // DAI >>> ETH
uint nowBal = address(this).balance;
if (ethBal > nowBal) {
@ -134,7 +139,13 @@ contract LoopNewCDP is GlobalVar {
}
require(ethBal == nowBal, "No Refund of Contract ETH");
// transfer CDP to v2 InstaBank
if (isCDP2Sender) { // CDP >>> msg.sender
loanMaster.give(cup, msg.sender);
} else { // CDP >>> InstaBank
InstaBank resolveBank = InstaBank(dai2eth);
resolveBank.claimCDP(uint(cup));
resolveBank.transferCDPInternal(uint(cup), msg.sender);
}
emit LevNewCDP(uint(cup), eth2Lock, dai2Mint);
}