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Add ETH/WETH settlement tests
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‎test/forkMainnet/SignalBuyContract.t.sol

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Original file line numberDiff line numberDiff line change
@@ -942,6 +942,263 @@ contract SignalBuyContractTest is BalanceUtil {
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userMakerAsset.assertChange(-int256(DEFAULT_ORDER.userTokenAmount.div(2)));
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}
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/*********************************
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* ETH/WETH settlement *
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*********************************/
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struct ETHandWETHAssetSnapshot {
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BalanceSnapshot.Snapshot dealerETHAsset;
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BalanceSnapshot.Snapshot dealerWETHAsset;
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BalanceSnapshot.Snapshot userETHAsset;
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BalanceSnapshot.Snapshot userWETHAsset;
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}
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ETHandWETHAssetSnapshot assetSnapshots;
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function testSettlementETHToETHWithNoFee() public {
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SignalBuyContractLibEIP712.Order memory order = DEFAULT_ORDER;
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order.dealerToken = IERC20(LibConstant.ETH_ADDRESS);
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order.minDealerTokenAmount = 1e18;
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bytes memory orderMakerSig = _signOrder(userPrivateKey, order, SignatureValidator.SignatureType.EIP712);
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SignalBuyContractLibEIP712.Fill memory fill = DEFAULT_FILL;
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fill.orderHash = getEIP712Hash(signalBuyContract.EIP712_DOMAIN_SEPARATOR(), SignalBuyContractLibEIP712._getOrderStructHash(order));
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fill.dealerTokenAmount = order.minDealerTokenAmount;
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ISignalBuyContract.TraderParams memory traderParams = DEFAULT_TRADER_PARAMS;
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traderParams.dealerTokenAmount = fill.dealerTokenAmount;
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traderParams.dealerSig = _signFill(dealerPrivateKey, fill, SignatureValidator.SignatureType.EIP712);
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SignalBuyContractLibEIP712.AllowFill memory allowFill = DEFAULT_ALLOW_FILL;
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allowFill.orderHash = getEIP712Hash(signalBuyContract.EIP712_DOMAIN_SEPARATOR(), SignalBuyContractLibEIP712._getOrderStructHash(order));
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allowFill.fillAmount = traderParams.dealerTokenAmount;
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ISignalBuyContract.CoordinatorParams memory crdParams = DEFAULT_CRD_PARAMS;
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crdParams.sig = _signAllowFill(coordinatorPrivateKey, allowFill, SignatureValidator.SignatureType.EIP712);
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assetSnapshots.dealerETHAsset = BalanceSnapshot.take(dealer, LibConstant.ETH_ADDRESS);
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assetSnapshots.dealerWETHAsset = BalanceSnapshot.take(dealer, address(weth));
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assetSnapshots.userETHAsset = BalanceSnapshot.take(user, LibConstant.ETH_ADDRESS);
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assetSnapshots.userWETHAsset = BalanceSnapshot.take(user, address(weth));
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// Case 1: Tx failed due to mismatch msg.value
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vm.expectRevert("SignalBuyContract: mismatch dealer token (ETH) amount");
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vm.prank(dealer, dealer);
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signalBuyContract.fillSignalBuy{ value: fill.dealerTokenAmount - 1 }(order, orderMakerSig, traderParams, crdParams);
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// Case 2: Tx succeeded
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vm.expectEmit(true, true, true, true);
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emit SignalBuyFilledByTrader(
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getEIP712Hash(signalBuyContract.EIP712_DOMAIN_SEPARATOR(), SignalBuyContractLibEIP712._getOrderStructHash(order)),
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order.user,
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dealer,
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getEIP712Hash(signalBuyContract.EIP712_DOMAIN_SEPARATOR(), SignalBuyContractLibEIP712._getAllowFillStructHash(allowFill)),
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DEFAULT_TRADER_PARAMS.recipient,
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ISignalBuyContract.FillReceipt(
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address(order.userToken),
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address(order.dealerToken),
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order.userTokenAmount,
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order.minDealerTokenAmount,
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0, // remainingUserTokenAmount should be zero after order fully filled
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0, // tokenlonFee = 0
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0 // dealerStrategyFee = 0
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)
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);
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vm.prank(dealer, dealer);
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signalBuyContract.fillSignalBuy{ value: fill.dealerTokenAmount }(order, orderMakerSig, traderParams, crdParams);
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assetSnapshots.dealerETHAsset.assertChange(-int256(order.minDealerTokenAmount));
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assetSnapshots.dealerWETHAsset.assertChange(0);
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assetSnapshots.userETHAsset.assertChange(int256(order.minDealerTokenAmount));
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assetSnapshots.userWETHAsset.assertChange(0);
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}
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function testSettlementWETHToWETHWithNoFee() public {
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SignalBuyContractLibEIP712.Order memory order = DEFAULT_ORDER;
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order.dealerToken = weth;
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order.minDealerTokenAmount = 1e18;
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bytes memory orderMakerSig = _signOrder(userPrivateKey, order, SignatureValidator.SignatureType.EIP712);
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SignalBuyContractLibEIP712.Fill memory fill = DEFAULT_FILL;
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fill.orderHash = getEIP712Hash(signalBuyContract.EIP712_DOMAIN_SEPARATOR(), SignalBuyContractLibEIP712._getOrderStructHash(order));
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fill.dealerTokenAmount = order.minDealerTokenAmount;
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ISignalBuyContract.TraderParams memory traderParams = DEFAULT_TRADER_PARAMS;
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traderParams.dealerTokenAmount = fill.dealerTokenAmount;
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traderParams.dealerSig = _signFill(dealerPrivateKey, fill, SignatureValidator.SignatureType.EIP712);
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SignalBuyContractLibEIP712.AllowFill memory allowFill = DEFAULT_ALLOW_FILL;
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allowFill.orderHash = getEIP712Hash(signalBuyContract.EIP712_DOMAIN_SEPARATOR(), SignalBuyContractLibEIP712._getOrderStructHash(order));
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allowFill.fillAmount = traderParams.dealerTokenAmount;
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ISignalBuyContract.CoordinatorParams memory crdParams = DEFAULT_CRD_PARAMS;
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crdParams.sig = _signAllowFill(coordinatorPrivateKey, allowFill, SignatureValidator.SignatureType.EIP712);
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assetSnapshots.dealerETHAsset = BalanceSnapshot.take(dealer, LibConstant.ETH_ADDRESS);
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assetSnapshots.dealerWETHAsset = BalanceSnapshot.take(dealer, address(weth));
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assetSnapshots.userETHAsset = BalanceSnapshot.take(user, LibConstant.ETH_ADDRESS);
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assetSnapshots.userWETHAsset = BalanceSnapshot.take(user, address(weth));
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// Case 1: Tx failed due to invalid msg.value
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vm.expectRevert("SignalBuyContract: mismatch dealer token (ETH) amount");
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vm.prank(dealer, dealer);
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signalBuyContract.fillSignalBuy{ value: 1 }(order, orderMakerSig, traderParams, crdParams);
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// Case 2: Tx succeeded
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vm.expectEmit(true, true, true, true);
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emit SignalBuyFilledByTrader(
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getEIP712Hash(signalBuyContract.EIP712_DOMAIN_SEPARATOR(), SignalBuyContractLibEIP712._getOrderStructHash(order)),
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order.user,
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dealer,
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getEIP712Hash(signalBuyContract.EIP712_DOMAIN_SEPARATOR(), SignalBuyContractLibEIP712._getAllowFillStructHash(allowFill)),
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DEFAULT_TRADER_PARAMS.recipient,
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ISignalBuyContract.FillReceipt(
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address(order.userToken),
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address(order.dealerToken),
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order.userTokenAmount,
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order.minDealerTokenAmount,
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0, // remainingUserTokenAmount should be zero after order fully filled
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0, // tokenlonFee = 0
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0 // dealerStrategyFee = 0
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)
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);
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vm.prank(dealer, dealer);
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signalBuyContract.fillSignalBuy(order, orderMakerSig, traderParams, crdParams);
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assetSnapshots.dealerETHAsset.assertChange(0);
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assetSnapshots.dealerWETHAsset.assertChange(-int256(order.minDealerTokenAmount));
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assetSnapshots.userETHAsset.assertChange(0);
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assetSnapshots.userWETHAsset.assertChange(int256(order.minDealerTokenAmount));
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}
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function testSettlementETHToWETHWithAddedTokenlonFee() public {
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// tokenlonFeeFactor : 10%
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vm.startPrank(owner, owner);
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signalBuyContract.setFactors(1000);
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vm.warp(block.timestamp + signalBuyContract.factorActivateDelay());
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signalBuyContract.activateFactors();
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vm.stopPrank();
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SignalBuyContractLibEIP712.Order memory order = DEFAULT_ORDER;
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order.dealerToken = weth;
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order.minDealerTokenAmount = 1e18;
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bytes memory orderMakerSig = _signOrder(userPrivateKey, order, SignatureValidator.SignatureType.EIP712);
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SignalBuyContractLibEIP712.Fill memory fill = DEFAULT_FILL;
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fill.orderHash = getEIP712Hash(signalBuyContract.EIP712_DOMAIN_SEPARATOR(), SignalBuyContractLibEIP712._getOrderStructHash(order));
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// Increase dealer token amount so the dealerToken/userToken ratio is better than order's dealerToken/userToken ratio
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// to account for tokenlon fee
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fill.dealerTokenAmount = order.minDealerTokenAmount.mul(115).div(100); // 15% more
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ISignalBuyContract.TraderParams memory traderParams = DEFAULT_TRADER_PARAMS;
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traderParams.dealerTokenAmount = fill.dealerTokenAmount;
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traderParams.dealerSig = _signFill(dealerPrivateKey, fill, SignatureValidator.SignatureType.EIP712);
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SignalBuyContractLibEIP712.AllowFill memory allowFill = DEFAULT_ALLOW_FILL;
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allowFill.orderHash = getEIP712Hash(signalBuyContract.EIP712_DOMAIN_SEPARATOR(), SignalBuyContractLibEIP712._getOrderStructHash(order));
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allowFill.fillAmount = traderParams.dealerTokenAmount;
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ISignalBuyContract.CoordinatorParams memory crdParams = DEFAULT_CRD_PARAMS;
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crdParams.sig = _signAllowFill(coordinatorPrivateKey, allowFill, SignatureValidator.SignatureType.EIP712);
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assetSnapshots.dealerETHAsset = BalanceSnapshot.take(dealer, LibConstant.ETH_ADDRESS);
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assetSnapshots.dealerWETHAsset = BalanceSnapshot.take(dealer, address(weth));
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assetSnapshots.userETHAsset = BalanceSnapshot.take(user, LibConstant.ETH_ADDRESS);
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assetSnapshots.userWETHAsset = BalanceSnapshot.take(user, address(weth));
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// Case 1: Tx failed due to invalid msg.value
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vm.expectRevert("SignalBuyContract: mismatch dealer token (ETH) amount");
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vm.prank(dealer, dealer);
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signalBuyContract.fillSignalBuy{ value: 1 }(order, orderMakerSig, traderParams, crdParams);
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// Case 2: Tx succeeded
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vm.expectEmit(true, true, true, true);
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emit SignalBuyFilledByTrader(
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getEIP712Hash(signalBuyContract.EIP712_DOMAIN_SEPARATOR(), SignalBuyContractLibEIP712._getOrderStructHash(order)),
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order.user,
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dealer,
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getEIP712Hash(signalBuyContract.EIP712_DOMAIN_SEPARATOR(), SignalBuyContractLibEIP712._getAllowFillStructHash(allowFill)),
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DEFAULT_TRADER_PARAMS.recipient,
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ISignalBuyContract.FillReceipt(
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address(order.userToken),
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address(order.dealerToken),
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order.userTokenAmount,
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fill.dealerTokenAmount,
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0, // remainingUserTokenAmount should be zero after order fully filled
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fill.dealerTokenAmount.div(10), // tokenlonFee = 10% dealerTokenAmount
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0 // dealerStrategyFee = 0
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)
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);
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vm.prank(dealer, dealer);
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signalBuyContract.fillSignalBuy{ value: fill.dealerTokenAmount }(order, orderMakerSig, traderParams, crdParams);
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assetSnapshots.dealerETHAsset.assertChange(-int256(fill.dealerTokenAmount));
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assetSnapshots.dealerWETHAsset.assertChange(0);
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assetSnapshots.userETHAsset.assertChange(0);
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assetSnapshots.userWETHAsset.assertChange(int256(fill.dealerTokenAmount.mul(9).div(10))); // 10% fee for Tokenlon
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}
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function testSettlementWETHToETHWithAddedGasFeeAndStrategyFee() public {
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SignalBuyContractLibEIP712.Order memory order = DEFAULT_ORDER;
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order.dealerToken = IERC20(LibConstant.ETH_ADDRESS);
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order.minDealerTokenAmount = 1e18;
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bytes memory orderMakerSig = _signOrder(userPrivateKey, order, SignatureValidator.SignatureType.EIP712);
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SignalBuyContractLibEIP712.Fill memory fill = DEFAULT_FILL;
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fill.orderHash = getEIP712Hash(signalBuyContract.EIP712_DOMAIN_SEPARATOR(), SignalBuyContractLibEIP712._getOrderStructHash(order));
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// Increase dealer token amount so the dealerToken/userToken ratio is better than order's dealerToken/userToken ratio
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// to account for gas fee and dealer strategy fee
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fill.dealerTokenAmount = order.minDealerTokenAmount.mul(11).div(10); // 10% more
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ISignalBuyContract.TraderParams memory traderParams = DEFAULT_TRADER_PARAMS;
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traderParams.gasFeeFactor = 50; // gasFeeFactor: 0.5%
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traderParams.dealerStrategyFeeFactor = 250; // dealerStrategyFeeFactor: 2.5%
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traderParams.dealerTokenAmount = fill.dealerTokenAmount;
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traderParams.dealerSig = _signFill(dealerPrivateKey, fill, SignatureValidator.SignatureType.EIP712);
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SignalBuyContractLibEIP712.AllowFill memory allowFill = DEFAULT_ALLOW_FILL;
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allowFill.orderHash = getEIP712Hash(signalBuyContract.EIP712_DOMAIN_SEPARATOR(), SignalBuyContractLibEIP712._getOrderStructHash(order));
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allowFill.fillAmount = traderParams.dealerTokenAmount;
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ISignalBuyContract.CoordinatorParams memory crdParams = DEFAULT_CRD_PARAMS;
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crdParams.sig = _signAllowFill(coordinatorPrivateKey, allowFill, SignatureValidator.SignatureType.EIP712);
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assetSnapshots.dealerETHAsset = BalanceSnapshot.take(dealer, LibConstant.ETH_ADDRESS);
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assetSnapshots.dealerWETHAsset = BalanceSnapshot.take(dealer, address(weth));
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assetSnapshots.userETHAsset = BalanceSnapshot.take(user, LibConstant.ETH_ADDRESS);
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assetSnapshots.userWETHAsset = BalanceSnapshot.take(user, address(weth));
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// Case 1: Tx failed due to invalid msg.value
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vm.expectRevert("SignalBuyContract: mismatch dealer token (ETH) amount");
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vm.prank(dealer, dealer);
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signalBuyContract.fillSignalBuy{ value: 1 }(order, orderMakerSig, traderParams, crdParams);
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// Case 2: Tx succeeded
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vm.expectEmit(true, true, true, true);
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emit SignalBuyFilledByTrader(
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getEIP712Hash(signalBuyContract.EIP712_DOMAIN_SEPARATOR(), SignalBuyContractLibEIP712._getOrderStructHash(order)),
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order.user,
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dealer,
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getEIP712Hash(signalBuyContract.EIP712_DOMAIN_SEPARATOR(), SignalBuyContractLibEIP712._getAllowFillStructHash(allowFill)),
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DEFAULT_TRADER_PARAMS.recipient,
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ISignalBuyContract.FillReceipt(
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address(order.userToken),
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address(order.dealerToken),
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order.userTokenAmount,
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fill.dealerTokenAmount,
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0, // remainingUserTokenAmount should be zero after order fully filled
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0, // tokenlonFee = 0
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fill.dealerTokenAmount.mul(3).div(100) // dealerStrategyFee = 0.5% + 2.5% = 3% dealerTokenAmount
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)
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);
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vm.prank(dealer, dealer);
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signalBuyContract.fillSignalBuy(order, orderMakerSig, traderParams, crdParams);
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assetSnapshots.dealerETHAsset.assertChange(0);
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assetSnapshots.dealerWETHAsset.assertChange(-int256(fill.dealerTokenAmount.mul(97).div(100))); // 3% fee for SignalBuy is deducted from dealerTokenAmount directly
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assetSnapshots.userETHAsset.assertChange(int256(fill.dealerTokenAmount.mul(97).div(100))); // 3% fee for SignalBuy
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assetSnapshots.userWETHAsset.assertChange(0);
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}
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/*********************************
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* cancelSignalBuy *
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*********************************/

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