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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22
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); 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 { interface TokenInterface {
function decimals() external view returns (uint); function decimals() external view returns (uint);
function totalSupply() external view returns (uint256); function totalSupply() external view returns (uint256);
@ -53,6 +57,13 @@ contract CurveHelpers is DSMath {
return 0xA5407eAE9Ba41422680e2e00537571bcC53efBfD; return 0xA5407eAE9Ba41422680e2e00537571bcC53efBfD;
} }
/**
* @dev Return Curve Zap Address
*/
function getCurveZapAddr() internal pure returns (address) {
return 0xFCBa3E75865d2d561BE8D220616520c171F12851;
}
/** /**
* @dev Return Curve Token Address * @dev Return Curve Token Address
*/ */
@ -165,7 +176,7 @@ contract Resolver is CurveHelpers {
unitAmt = getDepositUnitAmt(token, depositAmt, curveAmt, slippage); unitAmt = getDepositUnitAmt(token, depositAmt, curveAmt, slippage);
} }
function getWithdrawAmount(address token, uint withdrawAmt, uint slippage) function getWithdrawCurveAmount(address token, uint withdrawAmt, uint slippage)
public public
view view
returns (uint curveAmt, uint unitAmt, uint virtualPrice) returns (uint curveAmt, uint unitAmt, uint virtualPrice)
@ -178,6 +189,15 @@ contract Resolver is CurveHelpers {
unitAmt = getWithdrawtUnitAmt(token, withdrawAmt, curveAmt, slippage); 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( function getPosition(
address user address user