Liquidity.Party/lmsr-amm
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tim
2025-09-30 15:42:52 -04:00
parent 91e6a916ac
commit 5ce14ab2e1
10 changed files with 100 additions and 86 deletions
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24
test/GasTest.sol
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@@ -1,5 +1,6 @@
// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.30;
/* solhint-disable erc20-unchecked-transfer */
import "forge-std/Test.sol";
import "@abdk/ABDKMath64x64.sol";
@@ -129,22 +130,23 @@ contract TestERC20 is ERC20 {
/// @notice Gas testing contract for PartyPool - contains all gas measurement tests
contract GasTest is Test {
using ABDKMath64x64 for int128;
using SafeERC20 for TestERC20;
PartyPlanner planner;
PartyPool pool2;
PartyPool pool10;
PartyPool pool20;
PartyPool pool50;
PartyPlanner internal planner;
PartyPool internal pool2;
PartyPool internal pool10;
PartyPool internal pool20;
PartyPool internal pool50;
address alice;
address bob;
address internal alice;
address internal bob;
// Common parameters
int128 tradeFrac;
int128 targetSlippage;
int128 internal tradeFrac;
int128 internal targetSlippage;
uint256 constant INIT_BAL = 1_000_000; // initial token units for each token (internal==amount when base==1)
uint256 constant BASE = 1; // use base=1 so internal amounts correspond to raw integers (Q64.64 units)
uint256 constant internal INIT_BAL = 1_000_000; // initial token units for each token (internal==amount when base==1)
uint256 constant internal BASE = 1; // use base=1 so internal amounts correspond to raw integers (Q64.64 units)
/// @notice Helper function to create a pool with the specified number of tokens
function createPool(uint256 numTokens) internal returns (PartyPool) {

6
test/LMSRStabilized.t.sol
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@@ -711,7 +711,7 @@ contract LMSRStabilizedTest is Test {
}
// Path 1: Direct swap from asset 0 to asset 2
(int128 directAmountIn, int128 directAmountOut) = s.swapAmountsForExactInput(0, 2, directSwapAmount, 0);
(/*int128 directAmountIn*/, int128 directAmountOut) = s.swapAmountsForExactInput(0, 2, directSwapAmount, 0);
// Restore original state for second path
_updateCachedQInternal(backupQ);
@@ -724,7 +724,7 @@ contract LMSRStabilizedTest is Test {
s.qInternal[1] = s.qInternal[1].add(indirectAmountOut1);
// Second swap: asset 1 -> asset 2
(int128 indirectAmountIn2, int128 indirectAmountOut2) = s.swapAmountsForExactInput(1, 2, indirectAmountOut1, 0);
(/*int128 indirectAmountIn2*/, int128 indirectAmountOut2) = s.swapAmountsForExactInput(1, 2, indirectAmountOut1, 0);
// The path independence property isn't perfect due to discrete swap mechanics,
// but the difference should be within reasonable bounds
@@ -765,7 +765,7 @@ contract LMSRStabilizedTest is Test {
s.qInternal[1] = s.qInternal[1].add(amountOut1);
// Step 2: Swap back asset 1 -> asset 0
(int128 amountIn2, int128 amountOut2) = s.swapAmountsForExactInput(1, 0, amountOut1, 0);
(/*int128 amountIn2*/, int128 amountOut2) = s.swapAmountsForExactInput(1, 0, amountOut1, 0);
// Calculate round-trip slippage: (initial amount - final amount) / initial amount
int128 roundTripSlippage = (amountIn1.sub(amountOut2)).div(amountIn1);

6
test/MockERC20.sol
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@@ -4,11 +4,11 @@ pragma solidity ^0.8.30;
import {ERC20} from "@openzeppelin/contracts/token/ERC20/ERC20.sol";
contract MockERC20 is ERC20 {
uint8 private immutable _decimals;
uint8 private immutable DECIMALS;
constructor(string memory name, string memory symbol, uint8 decimals_) ERC20(name, symbol) {_decimals = decimals_;}
constructor(string memory name, string memory symbol, uint8 decimals_) ERC20(name, symbol) {DECIMALS = decimals_;}
function decimals() public view virtual override returns (uint8) {return _decimals;}
function decimals() public view virtual override returns (uint8) {return DECIMALS;}
function mint(address account, uint256 amount) external {_mint(account, amount);}
function burn(address account, uint256 amount) external {_burn(account, amount);}
}

2
test/PartyPool.t.sol
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@@ -1,4 +1,5 @@
// SPDX-License-Identifier: UNLICENSED
/* solhint-disable */
pragma solidity ^0.8.30;
import "forge-std/Test.sol";
@@ -1389,3 +1390,4 @@ contract PartyPoolTest is Test {
}
}
/* solhint-enable */