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fix: Moved getPriceAt() to bottom

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This commit is contained in:
domenicodev
2024-01-18 11:06:13 +01:00
parent cf41c472c6
commit 1cffd007ad
2 changed files with 31 additions and 31 deletions
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2
evm/lib/forge-std

Submodule evm/lib/forge-std updated: 155d547c44...f73c73d201

60
evm/src/integral/IntegralSwapAdapter.sol
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@@ -41,36 +41,6 @@ contract IntegralSwapAdapter is ISwapAdapter {
}
}
/// @notice Get swap price including fee
/// @param sellToken token to sell
/// @param buyToken token to buy
function getPriceAt(address sellToken, address buyToken) internal view returns(Fraction memory) {
uint256 priceWithoutFee = relayer.getPriceByTokenAddresses(address(sellToken), address(buyToken));
ITwapFactory factory = ITwapFactory(relayer.factory());
address pairAddress = factory.getPair(address(sellToken), address(buyToken));
// get swapFee formatted; swapFee is a constant
uint256 swapFeeFormatted = (STANDARD_TOKEN_DECIMALS - relayer.swapFee(pairAddress));
// get token decimals
uint256 sellTokenDecimals = 10**ERC20(sellToken).decimals();
uint256 buyTokenDecimals = 10**ERC20(buyToken).decimals();
/**
* @dev
* Denominator works as a "standardizer" for the price rather than a reserve value
* as Integral takes prices from oracles and do not operate with reserves;
* it is therefore used to maintain integrity for the Fraction division,
* as numerator and denominator could have different token decimals(es. ETH(18)-USDC(6)).
* Both numerator and denominator are also multiplied by STANDARD_TOKEN_DECIMALS
* to ensure that precision losses are minimized or null.
*/
return Fraction(
priceWithoutFee * STANDARD_TOKEN_DECIMALS,
STANDARD_TOKEN_DECIMALS * sellTokenDecimals * swapFeeFormatted / buyTokenDecimals
);
}
/// @inheritdoc ISwapAdapter
function swap(
bytes32,
@@ -222,6 +192,36 @@ contract IntegralSwapAdapter is ISwapAdapter {
return amountIn;
}
/// @notice Get swap price including fee
/// @param sellToken token to sell
/// @param buyToken token to buy
function getPriceAt(address sellToken, address buyToken) internal view returns(Fraction memory) {
uint256 priceWithoutFee = relayer.getPriceByTokenAddresses(address(sellToken), address(buyToken));
ITwapFactory factory = ITwapFactory(relayer.factory());
address pairAddress = factory.getPair(address(sellToken), address(buyToken));
// get swapFee formatted; swapFee is a constant
uint256 swapFeeFormatted = (STANDARD_TOKEN_DECIMALS - relayer.swapFee(pairAddress));
// get token decimals
uint256 sellTokenDecimals = 10**ERC20(sellToken).decimals();
uint256 buyTokenDecimals = 10**ERC20(buyToken).decimals();
/**
* @dev
* Denominator works as a "standardizer" for the price rather than a reserve value
* as Integral takes prices from oracles and do not operate with reserves;
* it is therefore used to maintain integrity for the Fraction division,
* as numerator and denominator could have different token decimals(es. ETH(18)-USDC(6)).
* Both numerator and denominator are also multiplied by STANDARD_TOKEN_DECIMALS
* to ensure that precision losses are minimized or null.
*/
return Fraction(
priceWithoutFee * STANDARD_TOKEN_DECIMALS,
STANDARD_TOKEN_DECIMALS * sellTokenDecimals * swapFeeFormatted / buyTokenDecimals
);
}
}
interface ITwapRelayer {