Instadapp/dsa-resolvers-deprecated
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Added withdrawTokenAmt function

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This commit is contained in:
Thrilok Kumar 2020-07-14 16:20:26 +05:30
parent fdaf90230d
commit 25ac9cb464
1 changed files with 22 additions and 2 deletions
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24
contracts/protocols/curve_susd.sol
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@ -8,6 +8,10 @@ interface ICurve {
function get_dy(int128 sellTokenId, int128 buyTokenId, uint256 sellTokenAmt) external view returns (uint256 buyTokenAmt);
}
interface ICurveZap {
function calc_withdraw_one_coin(uint256 _token_amount, int128 i) external view returns (uint256 amount);
}
interface TokenInterface {
function decimals() external view returns (uint);
function totalSupply() external view returns (uint256);
@ -52,7 +56,14 @@ contract CurveHelpers is DSMath {
function getCurveSwapAddr() internal pure returns (address) {
return 0xA5407eAE9Ba41422680e2e00537571bcC53efBfD;
}
/**
* @dev Return Curve Zap Address
*/
function getCurveZapAddr() internal pure returns (address) {
return 0xFCBa3E75865d2d561BE8D220616520c171F12851;
}
/**
* @dev Return Curve Token Address
*/
@ -165,7 +176,7 @@ contract Resolver is CurveHelpers {
unitAmt = getDepositUnitAmt(token, depositAmt, curveAmt, slippage);
}
function getWithdrawAmount(address token, uint withdrawAmt, uint slippage)
function getWithdrawCurveAmount(address token, uint withdrawAmt, uint slippage)
public
view
returns (uint curveAmt, uint unitAmt, uint virtualPrice)
@ -178,6 +189,15 @@ contract Resolver is CurveHelpers {
unitAmt = getWithdrawtUnitAmt(token, withdrawAmt, curveAmt, slippage);
}
function getWithdrawTokenAmount(address token, uint curveAmt, uint slippage)
public
view
returns (uint tokenAmt, uint unitAmt, uint virtualPrice)
{
tokenAmt = ICurveZap(getCurveZapAddr()).calc_withdraw_one_coin(curveAmt, getTokenI(token));
virtualPrice = ICurve(getCurveSwapAddr()).get_virtual_price();
unitAmt = getWithdrawtUnitAmt(token, tokenAmt, curveAmt, slippage);
}
function getPosition(
address user