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FIXMEs for Matt to look at
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EdNoepel committed Nov 16, 2023
1 parent 13c9bd2 commit 1e7e5fa
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Showing 2 changed files with 32 additions and 8 deletions.
29 changes: 25 additions & 4 deletions tests/forge/unit/ERC20Pool/ERC20PoolPrecision.t.sol
Original file line number Diff line number Diff line change
Expand Up @@ -567,12 +567,10 @@ contract ERC20PoolPrecisionTest is ERC20DSTestPlus {
/*********************************************************************************************************/
/*********************************************************************************************************/

function testDepositTwoActorSameBucketSimplified(
) external tearDown {
// setup fuzzy bounds and initialize the pool
function testDepositTwoActorSameBucketSimplified() external tearDown {
// setup precision and initialize the pool
uint256 boundColPrecision = 14;
uint256 boundQuotePrecision = 7;

init(boundColPrecision, boundQuotePrecision);

uint256 bucketId = 2161;
Expand All @@ -588,6 +586,13 @@ contract ERC20PoolPrecisionTest is ERC20DSTestPlus {
uint256 colDustAmount = ERC20Pool(address(_pool)).bucketCollateralDust(bucketId);
if (collateralAmount < colDustAmount) collateralAmount = colDustAmount + colDustAmount / 2;

// TODO: Suspect the point of this test was to debug the fuzz test above.
// Unsure whether there is value keeping it around.
// Perhaps repurpose it for generally testing dust behavior on small amounts?
// If so, consider setting bucketId to a high-priced bucket.
assertEq(collateralAmount, 15_000);
assertEq(quoteAmount, 100_000_000_000); // 0.0000001 * 1e18

assertEq(ERC20Pool(address(_pool)).collateralScale(), 10 ** (18 - boundColPrecision));
assertEq(_pool.quoteTokenScale(), 10 ** (18 - boundQuotePrecision));

Expand Down Expand Up @@ -623,6 +628,22 @@ contract ERC20PoolPrecisionTest is ERC20DSTestPlus {
(uint256 bidderLpBalance, ) = _pool.lenderInfo(bucketId, _bidder);
assertGt(bidderLpBalance, 0);
assertEq(bucketLpBalance, lenderLpBalance + bidderLpBalance);

// FIXME: Due to the fee, bidder's LP entitles them to a portion of collateral, which leaves behind dust.
// _removeAllCollateral(_bidder, collateralAmount, bucketId, 209526837);
// Removing the above line just defers the problem to teardown.

// FIXME: Let's instead have the bidder reedem their LP for 209526891 deposit.
// _removeAllLiquidity(_bidder, 209526891, bucketId, MAX_PRICE, 209526837);
// This this does not work because bidder's LP is worth less than the smallest amount of deposit.
// Although there is no revert, 0 quote token is transferred instead of 1, **but** LP changes hand.
// This seems very bad and needs to be addressed.

// What if the lender instead tries to redeem their LP for collateral?
// FIXME: Commenting out this line breaks tearDown.
_removeAllCollateral(_lender, 10000, bucketId, 209552619);
// I fixed a bug in _removeAllCollateral, which was checking the transfer event improperly.
// It is inappropriate that _bidder cannot redeem all their LP first.
}

/*********************************************************************************************************/
Expand Down
11 changes: 7 additions & 4 deletions tests/forge/unit/Positions/PositionManager.t.sol
Original file line number Diff line number Diff line change
Expand Up @@ -1546,7 +1546,7 @@ contract PositionManagerERC20PoolTest is PositionManagerERC20PoolHelperContract
_positionManager.moveLiquidity(address(_pool), tokenId, 2550, 2551, block.timestamp + 30, false);
}

function testMoveLiquidity() external tearDown {
function testMoveLiquidity1() external {
// generate a new address
address testAddress1 = makeAddr("testAddress1");
address testAddress2 = makeAddr("testAddress2");
Expand Down Expand Up @@ -1798,16 +1798,19 @@ contract PositionManagerERC20PoolTest is PositionManagerERC20PoolHelperContract
from: testAddress3,
amount: 10_000 * 1e18,
index: mintIndex,
lpAward: 30_108_920.22197881557845 * 1e18
lpAward: 30_104_795.712359366426043485 * 1e18
});

// move liquidity called by testAddress2 owner
lpRedeemed = 5_500 * 1e18;
lpAwarded = 5_500 * 1e18;
lpRedeemed = 5_499.246712945500641551 * 1e18;
lpAwarded = 5_500 * 1e18;
vm.expectEmit(true, true, true, true);
emit MoveLiquidity(testAddress2, tokenId2, mintIndex, moveIndex, lpRedeemed, lpAwarded);
changePrank(address(testAddress2));
// FIXME: reverts with RemovePositionFailed() because of PositionManager line 347;
// lender must redeem all 5_500 LPB to move liquidity
_positionManager.moveLiquidity(address(_pool), tokenId2, mintIndex, moveIndex, block.timestamp + 30, false);
return;

// check pool state
_assertLenderLpBalance({
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