Dylan Quest 1 Submission

contracts/protocol/integration/exchange/UniswapV2ExchangeAdapter.sol

@@ -33,6 +33,7 @@ contract UniswapV2ExchangeAdapter {
     */
 
 
+    address public router;
                     // YOUR CODE HERE
 
 
@@ -48,7 +49,9 @@ contract UniswapV2ExchangeAdapter {
     */
 
 
-                    // YOUR CODE HERE
+    constructor(address _router) public {
+        router = _router;
+    }
 
 
 
@@ -75,7 +78,18 @@ contract UniswapV2ExchangeAdapter {
      * The function will return 3 values: address of the uniswap router, 0 for Call value, trade calldata
      */
 
-    function getTradeCalldata(/*YOUR CODE HERE*/) external view returns (/*YOUR CODE HERE*/){
+    function getTradeCalldata(
+        address _sourceToken,
+        address _destinationToken,
+        address _destinationAddress,
+        uint256 _sourceQuantity,
+        uint256 _minDestinationQuantity,
+        bytes calldata _data
+    ) external view returns (
+        address,
+        uint256,
+        bytes memory
+    ) {
 
 
     /* 
@@ -85,11 +99,11 @@ contract UniswapV2ExchangeAdapter {
 
          address[] memory path;
 
-        if (_data.length == 0){
+        if (_data.length == 0) {
             path = new address[](2);
             path[0] = _sourceToken;
             path[1] = _destinationToken;
-        }else {
+        } else {
             path = abi.decode(_data, (address[]));
         }
 
@@ -99,10 +113,17 @@ contract UniswapV2ExchangeAdapter {
     * Please see README.md resources for more details on the Uniswap function swapExactTokensForTokens.
     */   
 
-                    // YOUR CODE HERE
+        bytes memory callData = abi.encodeWithSignature(
+            "swapExactTokensForTokens(uint256,uint256,address[],address,uint256)",
+            _sourceQuantity,
+            _minDestinationQuantity,
+            path,
+            _destinationAddress,
+            block.timestamp
+        );
 
 
-          return (/*YOUR CODE HERE*/);
+        return (router, 0, callData);
 
      }
 
@@ -120,7 +141,9 @@ contract UniswapV2ExchangeAdapter {
 *
 */
 
-                // YOUR CODE HERE
+function getSpender() external view returns (address) {
+    return router;
+}
 
 }
 

utils/contracts/index.ts

@@ -81,6 +81,7 @@ export { TradeModule } from "../../typechain/TradeModule";
 export { TradeAdapterMock } from "../../typechain/TradeAdapterMock";
 export { Uint256ArrayUtilsMock } from "../../typechain/Uint256ArrayUtilsMock";
 export { Uni } from "../../typechain/Uni";
+export { UniswapV2ExchangeAdapter } from "../../typechain/UniswapV2ExchangeAdapter";
 export { UniswapPairPriceAdapter } from "../../typechain/UniswapPairPriceAdapter";
 export { UniswapV2IndexExchangeAdapter } from "../../typechain/UniswapV2IndexExchangeAdapter";
 export { UniswapV2TransferFeeExchangeAdapter } from "../../typechain/UniswapV2TransferFeeExchangeAdapter";

utils/deploys/deployAdapters.ts

@@ -21,6 +21,7 @@ import {
   SynthetixExchangeAdapter,
   CompoundBravoGovernanceAdapter,
   CompClaimAdapter,
+  UniswapV2ExchangeAdapter
 } from "../contracts";
 import { convertLibraryNameToLinkId } from "../common";
 import { Address, Bytes } from "./../types";
@@ -45,6 +46,7 @@ import { UniswapV2IndexExchangeAdapter__factory } from "../../typechain/factorie
 import { SynthetixExchangeAdapter__factory } from "../../typechain/factories/SynthetixExchangeAdapter__factory";
 import { CompoundBravoGovernanceAdapter__factory } from "../../typechain/factories/CompoundBravoGovernanceAdapter__factory";
 import { CompClaimAdapter__factory } from "../../typechain";
+import { UniswapV2ExchangeAdapter__factory } from "../../typechain/factories/UniswapV2ExchangeAdapter__factory";
 
 export default class DeployAdapters {
   private _deployerSigner: Signer;
@@ -170,4 +172,12 @@ export default class DeployAdapters {
       synthetixExchangerAddress
     );
   }
+
+  public async deployUniswapV2ExchangeAdapter(
+    uniswapRouterAddress: Address,
+  ): Promise<UniswapV2ExchangeAdapter> {
+    return await new UniswapV2ExchangeAdapter__factory(this._deployerSigner).deploy(
+      uniswapRouterAddress
+    );
+  }
 }