Skip to content

feat: Add getAmountOut External View Function to Test_AMMContract #123

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
Neros0 merged 2 commits into from
Oct 7, 2025
Merged

feat: Add getAmountOut External View Function to Test_AMMContract #123

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
3f7a640
feat: Add getAmountOut External View Function
Oct 7, 2025
05b2279
feat: forge fmt
Oct 7, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
21 changes: 21 additions & 0 deletions src/onchain/TestAMMContract.sol
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -543,4 +543,25 @@ contract Test_AMMContract is Ownable {
PoolData memory pool = marketIdToPool[marketId];
return (pool.reserveA, pool.reserveB);
}

function getAmountOut(bytes32 marketId, uint256 amountIn, bool zeroForOne)
external
view
returns (uint256 amountOut)
{
require(amountIn > 0, "Amount in must be greater than zero");

PoolData memory pool = marketIdToPool[marketId];
require(pool.poolInitialized, "Pool not active");

uint256 reserveIn = zeroForOne ? pool.reserveA : pool.reserveB;
uint256 reserveOut = zeroForOne ? pool.reserveB : pool.reserveA;

require(reserveIn > 0 && reserveOut > 0, "Insufficient pool liquidity");

// Calculate output using constant product formula
amountOut = (reserveOut * amountIn) / (reserveIn + amountIn);

return amountOut;
}
}
Loading