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Feat: add Expansion and Contraction events #3

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Merged
0xtj24 merged 4 commits into from
Dec 4, 2025
Merged

Feat: add Expansion and Contraction events #3

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d960ab9
add Expansion and Contraction events
0xtj24 Dec 3, 2025
51ab89d
format
0xtj24 Dec 3, 2025
728b5ab
format test
0xtj24 Dec 3, 2025
979ecdf
rm psm address in Contraction and Expansion events
0xtj24 Dec 4, 2025
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4 changes: 4 additions & 0 deletions src/PSMFed.sol
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Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,8 @@ contract PSMFed {
event PendingGovUpdated(address indexed pendingGov);
event ChairChanged(address indexed oldChair, address indexed newChair);
event SupplyCapUpdated(uint256 oldSupplyCap, uint256 newSupplyCap);
event Expansion(uint256 amount);
event Contraction(uint256 amount);

constructor(address _psm, address _gov, address _chair, address _dola) {
psm = _psm;
Expand Down Expand Up @@ -52,6 +54,7 @@ contract PSMFed {
require(amount + supply <= supplyCap, "Supply cap exceeded");
supply += amount;
DOLA.mint(psm, amount);
emit Expansion(amount);
}

/**
Expand All @@ -66,6 +69,7 @@ contract PSMFed {
supply -= amount;
DOLA.transferFrom(psm, address(this), amount);
DOLA.burn(amount);
emit Contraction(amount);
}

/**
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2 changes: 1 addition & 1 deletion test/PSM.t.sol
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Expand Up @@ -441,7 +441,7 @@ contract PSMTest is Test {
uint256 sellFee1 = dolaToSell1 * psm.sellFeeBps() / 10000; // 1% sell fee
uint256 sellFee2 = dolaToSell2 * psm.sellFeeBps() / 10000; // 1% sell fee
assertEq(collateral.balanceOf(user), user1CollateralBal - (buyFee1 + sellFee1)); // User 1 gets back collateral minus fees
// Profit should include fees from both users
// Profit should include fees from both users
assertEq(psm.getProfit(), psmProfit + buyFee1 + buyFee2 + sellFee1 + sellFee2);
psm.takeProfit(); // Take profit

Expand Down