fix: Fixed swap function and initial tests

This commit is contained in:
domenicodev
2024-02-29 18:08:42 +01:00
parent 1064fbf7eb
commit 24682409c4
2 changed files with 272 additions and 26 deletions

View File

@@ -9,29 +9,218 @@ import "src/etherfi/EtherfiAdapter.sol";
contract EtherfiAdapterTest is Test, ISwapAdapterTypes {
EtherfiAdapter adapter;
IWeEth wEeth = IWeEth(0xCd5fE23C85820F7B72D0926FC9b05b43E359b7ee);
IWeEth weEth = IWeEth(0xCd5fE23C85820F7B72D0926FC9b05b43E359b7ee);
IeEth eEth;
function setUp() public {
uint256 forkBlock = 19218495;
vm.createSelectFork(vm.rpcUrl("mainnet"), forkBlock);
adapter = new EtherfiAdapter(address(wEeth));
eEth = wEeth.eETH();
adapter = new EtherfiAdapter(address(weEth));
eEth = weEth.eETH();
vm.label(address(wEeth), "WeETH");
vm.label(address(weEth), "WeETH");
vm.label(address(eEth), "eETH");
}
receive() external payable {}
function testMe() public {
// // uint256 requiredETH = adapter.getETHRequiredToMintEeth(1 ether);
// deal(address(adapter), 100 ether);
// // adapter.swapEthForEeth(1 ether, OrderSide.Buy);
// IERC20(address(eEth)).approve(address(adapter), type(uint256).max);
function testPriceFuzzEtherfi(uint256 amount0, uint256 amount1) public {
bytes32 pair = bytes32(0);
uint256[] memory limits = adapter.getLimits(pair, IERC20(address(weEth)), IERC20(address(eEth)));
vm.assume(amount0 < limits[0] && amount0 > 0);
vm.assume(amount1 < limits[1] && amount1 > 0);
uint256[] memory amounts = new uint256[](2);
amounts[0] = amount0;
amounts[1] = amount1;
Fraction[] memory prices = adapter.price(pair, IERC20(address(weEth)), IERC20(address(eEth)), amounts);
for (uint256 i = 0; i < prices.length; i++) {
assertGt(prices[i].numerator, 0);
assertGt(prices[i].denominator, 0);
}
}
// console.log(IERC20(address(eEth)).balanceOf(address(this)));
// console.log(adapter.swapEthForWeEth(1 ether, OrderSide.Buy));
// console.log(IERC20(address(eEth)).balanceOf(address(this)));
function testSwapFuzzEtherfiEethWeEth(uint256 specifiedAmount, bool isBuy) public {
OrderSide side = isBuy ? OrderSide.Buy : OrderSide.Sell;
IERC20 eEth_ = IERC20(address(eEth));
IERC20 weEth_ = IERC20(address(weEth));
bytes32 pair = bytes32(0);
uint256[] memory limits = adapter.getLimits(pair, eEth_, weEth_);
if (side == OrderSide.Buy) {
vm.assume(specifiedAmount < limits[1] && specifiedAmount > 100);
/// @dev workaround for eETH "deal", as standard ERC20 does not work(balance is shares)
deal(address(adapter), type(uint256).max);
adapter.swap(pair, IERC20(address(0)), eEth_, OrderSide.Buy, limits[0]);
eEth_.approve(address(adapter), type(uint256).max);
} else {
vm.assume(specifiedAmount < limits[0] && specifiedAmount > 100);
/// @dev workaround for eETH "deal", as standard ERC20 does not work(balance is shares)
deal(address(adapter), type(uint128).max);
adapter.swap(pair, IERC20(address(0)), eEth_, OrderSide.Buy, specifiedAmount);
eEth_.approve(address(adapter), specifiedAmount);
}
uint256 eEth_balance = eEth_.balanceOf(address(this));
uint256 weEth_balance = weEth_.balanceOf(address(this));
Trade memory trade =
adapter.swap(pair, eEth_, weEth_, side, specifiedAmount);
if (trade.calculatedAmount > 0) {
if (side == OrderSide.Buy) {
assertGe(
specifiedAmount,
weEth_.balanceOf(address(this)) - weEth_balance
);
/// @dev Transfer function contains rounding errors because of rewards in weETH contract, therefore we assume a +/-2 tolerance
assertLe(
specifiedAmount - 2,
weEth_.balanceOf(address(this)) - weEth_balance
);
assertLe(
trade.calculatedAmount - 2,
eEth_balance - eEth_.balanceOf(address(this))
);
} else {
assertGe(
specifiedAmount,
eEth_balance - eEth_.balanceOf(address(this))
);
/// @dev Transfer function contains rounding errors because of rewards in eETH contract, therefore we assume a +/-2 tolerance
assertLe(
specifiedAmount - 2,
eEth_balance - eEth_.balanceOf(address(this))
);
assertEq(
trade.calculatedAmount,
weEth_.balanceOf(address(this)) - weEth_balance
);
}
}
}
function testSwapFuzzEtherfiWeEthEth(uint256 specifiedAmount, bool isBuy) public {
OrderSide side = isBuy ? OrderSide.Buy : OrderSide.Sell;
IERC20 eEth_ = IERC20(address(eEth));
IERC20 weEth_ = IERC20(address(weEth));
bytes32 pair = bytes32(0);
uint256[] memory limits = adapter.getLimits(pair, weEth_, eEth_);
if (side == OrderSide.Buy) {
vm.assume(specifiedAmount < limits[1] && specifiedAmount > 100);
/// @dev workaround for eETH "deal", as standard ERC20 does not work(balance is shares)
deal(address(adapter), type(uint256).max);
adapter.swap(pair, IERC20(address(0)), weEth_, OrderSide.Buy, limits[0]);
weEth_.approve(address(adapter), type(uint256).max);
} else {
vm.assume(specifiedAmount < limits[0] && specifiedAmount > 100);
/// @dev workaround for eETH "deal", as standard ERC20 does not work(balance is shares)
deal(address(adapter), type(uint128).max);
adapter.swap(pair, IERC20(address(0)), weEth_, OrderSide.Buy, specifiedAmount);
weEth_.approve(address(adapter), specifiedAmount);
}
uint256 eEth_balance = eEth_.balanceOf(address(this));
uint256 weEth_balance = weEth_.balanceOf(address(this));
Trade memory trade =
adapter.swap(pair, weEth_, eEth_, side, specifiedAmount);
if (trade.calculatedAmount > 0) {
if (side == OrderSide.Buy) {
assertGe(
specifiedAmount,
eEth_.balanceOf(address(this)) - eEth_balance
);
/// @dev Transfer function contains rounding errors because of rewards in weETH contract, therefore we assume a +/-2 tolerance
assertLe(
specifiedAmount - 2,
eEth_.balanceOf(address(this)) - eEth_balance
);
assertLe(
trade.calculatedAmount - 2,
weEth_balance - weEth_.balanceOf(address(this))
);
} else {
assertGe(
specifiedAmount,
weEth_balance - weEth_.balanceOf(address(this))
);
/// @dev Transfer function contains rounding errors because of rewards in eETH contract, therefore we assume a +/-2 tolerance
assertLe(
specifiedAmount - 2,
weEth_balance - weEth_.balanceOf(address(this))
);
assertEq(
trade.calculatedAmount,
eEth_.balanceOf(address(this)) - eEth_balance
);
}
}
}
function testSwapFuzzEtherfiEthEeth(uint256 specifiedAmount, bool isBuy) public {
OrderSide side = isBuy ? OrderSide.Buy : OrderSide.Sell;
IERC20 eth_ = IERC20(address(0));
IERC20 eEth_ = IERC20(address(eEth));
bytes32 pair = bytes32(0);
uint256[] memory limits = adapter.getLimits(pair, eth_, eEth_);
if (side == OrderSide.Buy) {
vm.assume(specifiedAmount < limits[1] && specifiedAmount > 10);
deal(address(adapter), 100**18);
} else {
vm.assume(specifiedAmount < limits[0] && specifiedAmount > 10);
deal(address(adapter), specifiedAmount);
}
uint256 eth_balance = address(adapter).balance;
uint256 eEth_balance = eEth_.balanceOf(address(this));
Trade memory trade =
adapter.swap(pair, eth_, eEth_, side, specifiedAmount);
if (trade.calculatedAmount > 0) {
if (side == OrderSide.Buy) {
assertGe(
specifiedAmount,
eEth_.balanceOf(address(this)) - eEth_balance
);
/// @dev Transfer function contains rounding errors because of rewards in eETH contract, therefore we assume a +/-2 tolerance
assertLe(
specifiedAmount - 2,
eEth_.balanceOf(address(this)) - eEth_balance
);
assertEq(
trade.calculatedAmount,
eth_balance - address(adapter).balance
);
} else {
assertEq(
specifiedAmount,
eth_balance - address(adapter).balance
);
assertEq(
trade.calculatedAmount,
eEth_.balanceOf(address(this)) - eEth_balance
);
}
}
}
}