Liquidity.Party/lmsr-amm
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pure kappa formulation: target slippage extracted into pool creator code

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tim
2025-09-23 19:08:14 -04:00
parent cd663105f4
commit b5eab7dad1
8 changed files with 198 additions and 290 deletions
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8
test/GasTest.sol
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@@ -4,6 +4,7 @@ pragma solidity ^0.8.30;
import "forge-std/Test.sol";
import "@abdk/ABDKMath64x64.sol";
import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
import "../src/LMSRStabilized.sol";
import "../src/PartyPool.sol";
// Import the flash callback interface
@@ -169,7 +170,9 @@ contract GasTest is Test {
for (uint i = 0; i < tokens.length; i++) {
ierc20Tokens[i] = IERC20(tokens[i]);
}
PartyPool newPool = new PartyPool(poolName, poolName, ierc20Tokens, bases, tradeFrac, targetSlippage, feePpm, feePpm, false);
// Compute kappa from slippage params and number of tokens, then construct pool with kappa
int128 computedKappa = LMSRStabilized.computeKappaFromSlippage(ierc20Tokens.length, tradeFrac, targetSlippage);
PartyPool newPool = new PartyPool(poolName, poolName, ierc20Tokens, bases, computedKappa, feePpm, feePpm, false);
// Transfer initial deposit amounts into pool before initial mint
for (uint256 i = 0; i < numTokens; i++) {
@@ -208,7 +211,8 @@ contract GasTest is Test {
for (uint i = 0; i < tokens.length; i++) {
ierc20Tokens[i] = IERC20(tokens[i]);
}
PartyPool newPool = new PartyPool(poolName, poolName, ierc20Tokens, bases, tradeFrac, targetSlippage, feePpm, feePpm, true);
int128 computedKappa = LMSRStabilized.computeKappaFromSlippage(ierc20Tokens.length, tradeFrac, targetSlippage);
PartyPool newPool = new PartyPool(poolName, poolName, ierc20Tokens, bases, computedKappa, feePpm, feePpm, true);
// Transfer initial deposit amounts into pool before initial mint
for (uint256 i = 0; i < numTokens; i++) {