pezkuwichain/pwap
1
0
Fork 0
mirror of https://github.com/pezkuwichain/pwap.git synced 2026-06-19 00:21:01 +00:00
Code Issues Packages Projects Releases Wiki Activity

fix: correct LP fee from 3% to 0.3%

Browse Source 
Runtime LPFee = 3 means 3/1000 = 0.3%, not 3%.
Updated AMM calculations in TokenSwap, SwapInterface, and PoolDashboard.
This commit is contained in:
Kurdistan Tech Ministry
2026-02-04 21:53:35 +03:00
parent e34d7245e4
commit 089e4918f1
3 changed files with 6 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files
web/src/components/TokenSwap.tsx
+4 -4
View File
@@ -105,10 +105,10 @@ const TokenSwap = () => {
const reserveOut = isAsset0ToAsset1 ? reserve1 : reserve0;
// Uniswap V2 AMM formula (matches Substrate runtime exactly)
// Runtime: amount_in_with_fee = amount_in * (1000 - LPFee) = amount_in * 970
// LPFee = 30 (3% fee, not 0.3%!)
// Formula: amountOut = (amountIn * 970 * reserveOut) / (reserveIn * 1000 + amountIn * 970)
const LP_FEE = 30; // 3% fee
// Runtime: amount_in_with_fee = amount_in * (1000 - LPFee) = amount_in * 997
// LPFee = 3 (0.3% fee - standard DEX fee)
// Formula: amountOut = (amountIn * 997 * reserveOut) / (reserveIn * 1000 + amountIn * 997)
const LP_FEE = 3; // 0.3% fee
const amountInWithFee = amountIn * (1000 - LP_FEE); // = amountIn * 970
const numerator = amountInWithFee * reserveOut;
const denominator = reserveIn * 1000 + amountInWithFee;