feat: [asset-swapper] Add Crypto.com as a source (#43)

* feat: [asset-swapper] Add Crypto.com as a source * Exclude in tests * Disable hop sources to avoid excess inaccuracy * Added CryptoCom Bridge and FQT rollup * update test * Deploy CryptoCom bridge * Update package.json * CHANGELOGs
2020-12-01 12:52:48 +10:00
parent 0c08353b2c
commit f698721484
24 changed files with 339 additions and 4 deletions
--- a/contracts/zero-ex/CHANGELOG.json
+++ b/contracts/zero-ex/CHANGELOG.json
@@ -53,6 +53,10 @@
            {
                "note": "Add a permissionless transformer deployer",
                "pr": 55
+            },
+            {
+                "note": "Add Crypto.com to `BridgeAdapter`",
+                "pr": 43
            }
        ]
    },
--- a/contracts/zero-ex/contracts/src/transformers/bridges/BridgeAdapter.sol
+++ b/contracts/zero-ex/contracts/src/transformers/bridges/BridgeAdapter.sol
@@ -22,6 +22,7 @@ pragma experimental ABIEncoderV2;
 import "./mixins/MixinAdapterAddresses.sol";
 import "./mixins/MixinBalancer.sol";
 import "./mixins/MixinCurve.sol";
+import "./mixins/MixinCryptoCom.sol";
 import "./mixins/MixinDodo.sol";
 import "./mixins/MixinKyber.sol";
 import "./mixins/MixinMooniswap.sol";
@@ -37,6 +38,7 @@ contract BridgeAdapter is
    MixinAdapterAddresses,
    MixinBalancer,
    MixinCurve,
+    MixinCryptoCom,
    MixinDodo,
    MixinKyber,
    MixinMooniswap,
@@ -52,6 +54,7 @@ contract BridgeAdapter is
    address private immutable BALANCER_BRIDGE_ADDRESS;
    address private immutable CREAM_BRIDGE_ADDRESS;
    address private immutable CURVE_BRIDGE_ADDRESS;
+    address private immutable CRYPTO_COM_BRIDGE_ADDRESS;
    address private immutable DODO_BRIDGE_ADDRESS;
    address private immutable KYBER_BRIDGE_ADDRESS;
    address private immutable MOONISWAP_BRIDGE_ADDRESS;
@@ -68,6 +71,7 @@ contract BridgeAdapter is
        public
        MixinBalancer()
        MixinCurve()
+        MixinCryptoCom(addresses)
        MixinDodo(addresses)
        MixinKyber(addresses)
        MixinMooniswap(addresses)
@@ -81,6 +85,7 @@ contract BridgeAdapter is
    {
        BALANCER_BRIDGE_ADDRESS = addresses.balancerBridge;
        CURVE_BRIDGE_ADDRESS = addresses.curveBridge;
+        CRYPTO_COM_BRIDGE_ADDRESS = addresses.cryptoComBridge;
        KYBER_BRIDGE_ADDRESS = addresses.kyberBridge;
        MOONISWAP_BRIDGE_ADDRESS = addresses.mooniswapBridge;
        MSTABLE_BRIDGE_ADDRESS = addresses.mStableBridge;
@@ -185,6 +190,12 @@ contract BridgeAdapter is
                sellAmount,
                bridgeData
            );
+        } else if (bridgeAddress == CRYPTO_COM_BRIDGE_ADDRESS) {
+            boughtAmount = _tradeCryptoCom(
+                buyToken,
+                sellAmount,
+                bridgeData
+            );
        } else {
            boughtAmount = _tradeZeroExBridge(
                bridgeAddress,
--- a/contracts/zero-ex/contracts/src/transformers/bridges/mixins/MixinAdapterAddresses.sol
+++ b/contracts/zero-ex/contracts/src/transformers/bridges/mixins/MixinAdapterAddresses.sol
@@ -26,6 +26,7 @@ contract MixinAdapterAddresses
        address balancerBridge;
        address creamBridge;
        address curveBridge;
+        address cryptoComBridge;
        address dodoBridge;
        address kyberBridge;
        address mooniswapBridge;
--- a/contracts/zero-ex/contracts/src/transformers/bridges/mixins/MixinCryptoCom.sol
+++ b/contracts/zero-ex/contracts/src/transformers/bridges/mixins/MixinCryptoCom.sol
@@ -0,0 +1,79 @@
+
+/*
+
+  Copyright 2020 ZeroEx Intl.
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+
+*/
+
+pragma solidity ^0.6.5;
+pragma experimental ABIEncoderV2;
+
+import "@0x/contracts-erc20/contracts/src/v06/LibERC20TokenV06.sol";
+import "@0x/contracts-erc20/contracts/src/v06/IERC20TokenV06.sol";
+import "./MixinAdapterAddresses.sol";
+import "./MixinUniswapV2.sol";
+
+contract MixinCryptoCom is
+    MixinAdapterAddresses
+{
+    using LibERC20TokenV06 for IERC20TokenV06;
+
+    /// @dev Mainnet address of the `CryptoComRouter` contract.
+    IUniswapV2Router02 private immutable CRYPTOCOM_ROUTER;
+
+    constructor(AdapterAddresses memory addresses)
+        public
+    {
+        CRYPTOCOM_ROUTER = IUniswapV2Router02(addresses.cryptoComBridge);
+    }
+
+    function _tradeCryptoCom(
+        IERC20TokenV06 buyToken,
+        uint256 sellAmount,
+        bytes memory bridgeData
+    )
+        internal
+        returns (uint256 boughtAmount)
+    {
+        // solhint-disable indent
+        address[] memory path = abi.decode(bridgeData, (address[]));
+        // solhint-enable indent
+
+        require(path.length >= 2, "CryptoComBridge/PATH_LENGTH_MUST_BE_AT_LEAST_TWO");
+        require(
+            path[path.length - 1] == address(buyToken),
+            "CryptoComBridge/LAST_ELEMENT_OF_PATH_MUST_MATCH_OUTPUT_TOKEN"
+        );
+        // Grant the Uniswap router an allowance to sell the first token.
+        IERC20TokenV06(path[0]).approveIfBelow(
+            address(CRYPTOCOM_ROUTER),
+            sellAmount
+        );
+
+        uint[] memory amounts = CRYPTOCOM_ROUTER.swapExactTokensForTokens(
+             // Sell all tokens we hold.
+            sellAmount,
+             // Minimum buy amount.
+            1,
+            // Convert to `buyToken` along this path.
+            path,
+            // Recipient is `this`.
+            address(this),
+            // Expires after this block.
+            block.timestamp
+        );
+        return amounts[amounts.length-1];
+    }
+}
--- a/contracts/zero-ex/package.json
+++ b/contracts/zero-ex/package.json
@@ -42,7 +42,7 @@
    "config": {
        "publicInterfaceContracts": "IZeroEx,ZeroEx,FullMigration,InitialMigration,IFlashWallet,IAllowanceTarget,IERC20Transformer,IOwnableFeature,ISimpleFunctionRegistryFeature,ITokenSpenderFeature,ITransformERC20Feature,FillQuoteTransformer,PayTakerTransformer,WethTransformer,OwnableFeature,SimpleFunctionRegistryFeature,TransformERC20Feature,TokenSpenderFeature,AffiliateFeeTransformer,SignatureValidatorFeature,MetaTransactionsFeature,LogMetadataTransformer,BridgeAdapter,LiquidityProviderFeature,ILiquidityProviderFeature,NativeOrdersFeature,INativeOrdersFeature",
        "abis:comment": "This list is auto-generated by contracts-gen. Don't edit manually.",
-        "abis": "./test/generated-artifacts/@(AffiliateFeeTransformer|AllowanceTarget|BootstrapFeature|BridgeAdapter|FeeCollector|FillQuoteTransformer|FixinCommon|FixinEIP712|FixinProtocolFees|FixinReentrancyGuard|FixinTokenSpender|FlashWallet|FullMigration|IAllowanceTarget|IBootstrapFeature|IBridgeAdapter|IERC20Bridge|IERC20Transformer|IExchange|IFeature|IFlashWallet|IGasToken|ILiquidityProvider|ILiquidityProviderFeature|ILiquidityProviderSandbox|IMetaTransactionsFeature|INativeOrdersFeature|IOwnableFeature|ISignatureValidatorFeature|ISimpleFunctionRegistryFeature|IStaking|ITestSimpleFunctionRegistryFeature|ITokenSpenderFeature|ITransformERC20Feature|IUniswapFeature|IZeroEx|InitialMigration|LibBootstrap|LibCommonRichErrors|LibERC20Transformer|LibLiquidityProviderRichErrors|LibMetaTransactionsRichErrors|LibMetaTransactionsStorage|LibMigrate|LibNativeOrder|LibNativeOrdersRichErrors|LibNativeOrdersStorage|LibOrderHash|LibOwnableRichErrors|LibOwnableStorage|LibProxyRichErrors|LibProxyStorage|LibReentrancyGuardStorage|LibSignature|LibSignatureRichErrors|LibSimpleFunctionRegistryRichErrors|LibSimpleFunctionRegistryStorage|LibSpenderRichErrors|LibStorage|LibTokenSpenderStorage|LibTransformERC20RichErrors|LibTransformERC20Storage|LibWalletRichErrors|LiquidityProviderFeature|LiquidityProviderSandbox|LogMetadataTransformer|MetaTransactionsFeature|MixinAdapterAddresses|MixinBalancer|MixinCurve|MixinDodo|MixinKyber|MixinMStable|MixinMooniswap|MixinOasis|MixinShell|MixinSushiswap|MixinUniswap|MixinUniswapV2|MixinZeroExBridge|NativeOrdersFeature|OwnableFeature|PayTakerTransformer|PermissionlessTransformerDeployer|SignatureValidatorFeature|SimpleFunctionRegistryFeature|TestBridge|TestCallTarget|TestDelegateCaller|TestFillQuoteTransformerBridge|TestFillQuoteTransformerExchange|TestFillQuoteTransformerHost|TestFixinProtocolFees|TestFixinTokenSpender|TestFullMigration|TestInitialMigration|TestLibNativeOrder|TestLibSignature|TestLiquidityProvider|TestMetaTransactionsNativeOrdersFeature|TestMetaTransactionsTransformERC20Feature|TestMigrator|TestMintTokenERC20Transformer|TestMintableERC20Token|TestNativeOrdersFeature|TestPermissionlessTransformerDeployerSuicidal|TestPermissionlessTransformerDeployerTransformer|TestRfqOriginRegistration|TestSimpleFunctionRegistryFeatureImpl1|TestSimpleFunctionRegistryFeatureImpl2|TestStaking|TestTokenSpender|TestTokenSpenderERC20Token|TestTransformERC20|TestTransformerBase|TestTransformerDeployerTransformer|TestTransformerHost|TestWeth|TestWethTransformerHost|TestZeroExFeature|TokenSpenderFeature|TransformERC20Feature|Transformer|TransformerDeployer|UniswapFeature|WethTransformer|ZeroEx|ZeroExOptimized).json"
+        "abis": "./test/generated-artifacts/@(AffiliateFeeTransformer|AllowanceTarget|BootstrapFeature|BridgeAdapter|FeeCollector|FillQuoteTransformer|FixinCommon|FixinEIP712|FixinProtocolFees|FixinReentrancyGuard|FixinTokenSpender|FlashWallet|FullMigration|IAllowanceTarget|IBootstrapFeature|IBridgeAdapter|IERC20Bridge|IERC20Transformer|IExchange|IFeature|IFlashWallet|IGasToken|ILiquidityProvider|ILiquidityProviderFeature|ILiquidityProviderSandbox|IMetaTransactionsFeature|INativeOrdersFeature|IOwnableFeature|ISignatureValidatorFeature|ISimpleFunctionRegistryFeature|IStaking|ITestSimpleFunctionRegistryFeature|ITokenSpenderFeature|ITransformERC20Feature|IUniswapFeature|IZeroEx|InitialMigration|LibBootstrap|LibCommonRichErrors|LibERC20Transformer|LibLiquidityProviderRichErrors|LibMetaTransactionsRichErrors|LibMetaTransactionsStorage|LibMigrate|LibNativeOrder|LibNativeOrdersRichErrors|LibNativeOrdersStorage|LibOrderHash|LibOwnableRichErrors|LibOwnableStorage|LibProxyRichErrors|LibProxyStorage|LibReentrancyGuardStorage|LibSignature|LibSignatureRichErrors|LibSimpleFunctionRegistryRichErrors|LibSimpleFunctionRegistryStorage|LibSpenderRichErrors|LibStorage|LibTokenSpenderStorage|LibTransformERC20RichErrors|LibTransformERC20Storage|LibWalletRichErrors|LiquidityProviderFeature|LiquidityProviderSandbox|LogMetadataTransformer|MetaTransactionsFeature|MixinAdapterAddresses|MixinBalancer|MixinCryptoCom|MixinCurve|MixinDodo|MixinKyber|MixinMStable|MixinMooniswap|MixinOasis|MixinShell|MixinSushiswap|MixinUniswap|MixinUniswapV2|MixinZeroExBridge|NativeOrdersFeature|OwnableFeature|PayTakerTransformer|PermissionlessTransformerDeployer|SignatureValidatorFeature|SimpleFunctionRegistryFeature|TestBridge|TestCallTarget|TestDelegateCaller|TestFillQuoteTransformerBridge|TestFillQuoteTransformerExchange|TestFillQuoteTransformerHost|TestFixinProtocolFees|TestFixinTokenSpender|TestFullMigration|TestInitialMigration|TestLibNativeOrder|TestLibSignature|TestLiquidityProvider|TestMetaTransactionsNativeOrdersFeature|TestMetaTransactionsTransformERC20Feature|TestMigrator|TestMintTokenERC20Transformer|TestMintableERC20Token|TestNativeOrdersFeature|TestPermissionlessTransformerDeployerSuicidal|TestPermissionlessTransformerDeployerTransformer|TestRfqOriginRegistration|TestSimpleFunctionRegistryFeatureImpl1|TestSimpleFunctionRegistryFeatureImpl2|TestStaking|TestTokenSpender|TestTokenSpenderERC20Token|TestTransformERC20|TestTransformerBase|TestTransformerDeployerTransformer|TestTransformerHost|TestWeth|TestWethTransformerHost|TestZeroExFeature|TokenSpenderFeature|TransformERC20Feature|Transformer|TransformerDeployer|UniswapFeature|WethTransformer|ZeroEx|ZeroExOptimized).json"
    },
    "repository": {
        "type": "git",
--- a/contracts/zero-ex/test/artifacts.ts
+++ b/contracts/zero-ex/test/artifacts.ts
@@ -74,6 +74,7 @@ import * as LogMetadataTransformer from '../test/generated-artifacts/LogMetadata
 import * as MetaTransactionsFeature from '../test/generated-artifacts/MetaTransactionsFeature.json';
 import * as MixinAdapterAddresses from '../test/generated-artifacts/MixinAdapterAddresses.json';
 import * as MixinBalancer from '../test/generated-artifacts/MixinBalancer.json';
+import * as MixinCryptoCom from '../test/generated-artifacts/MixinCryptoCom.json';
 import * as MixinCurve from '../test/generated-artifacts/MixinCurve.json';
 import * as MixinDodo from '../test/generated-artifacts/MixinDodo.json';
 import * as MixinKyber from '../test/generated-artifacts/MixinKyber.json';
@@ -210,6 +211,7 @@ export const artifacts = {
    IBridgeAdapter: IBridgeAdapter as ContractArtifact,
    MixinAdapterAddresses: MixinAdapterAddresses as ContractArtifact,
    MixinBalancer: MixinBalancer as ContractArtifact,
+    MixinCryptoCom: MixinCryptoCom as ContractArtifact,
    MixinCurve: MixinCurve as ContractArtifact,
    MixinDodo: MixinDodo as ContractArtifact,
    MixinKyber: MixinKyber as ContractArtifact,
--- a/contracts/zero-ex/test/transformers/fill_quote_transformer_test.ts
+++ b/contracts/zero-ex/test/transformers/fill_quote_transformer_test.ts
@@ -81,6 +81,7 @@ blockchainTests.resets('FillQuoteTransformer', env => {
                dodoBridge: NULL_ADDRESS,
                dodoHelper: NULL_ADDRESS,
                snowSwapBridge: NULL_ADDRESS,
+                cryptoComBridge: NULL_ADDRESS,
            },
        );
        transformer = await FillQuoteTransformerContract.deployFrom0xArtifactAsync(
--- a/contracts/zero-ex/test/wrappers.ts
+++ b/contracts/zero-ex/test/wrappers.ts
@@ -72,6 +72,7 @@ export * from '../test/generated-wrappers/log_metadata_transformer';
 export * from '../test/generated-wrappers/meta_transactions_feature';
 export * from '../test/generated-wrappers/mixin_adapter_addresses';
 export * from '../test/generated-wrappers/mixin_balancer';
+export * from '../test/generated-wrappers/mixin_crypto_com';
 export * from '../test/generated-wrappers/mixin_curve';
 export * from '../test/generated-wrappers/mixin_dodo';
 export * from '../test/generated-wrappers/mixin_kyber';
--- a/contracts/zero-ex/tsconfig.json
+++ b/contracts/zero-ex/tsconfig.json
@@ -99,6 +99,7 @@
        "test/generated-artifacts/MetaTransactionsFeature.json",
        "test/generated-artifacts/MixinAdapterAddresses.json",
        "test/generated-artifacts/MixinBalancer.json",
+        "test/generated-artifacts/MixinCryptoCom.json",
        "test/generated-artifacts/MixinCurve.json",
        "test/generated-artifacts/MixinDodo.json",
        "test/generated-artifacts/MixinKyber.json",