Merge pull request #247 from Instadapp/Euler-Rewards-Connector

Euler rewards connector

contracts/mainnet/connectors/euler/euler-rewards/events.sol

@@ -0,0 +1,11 @@
+//SPDX-License-Identifier: MIT
+pragma solidity ^0.7.0;
+
+contract Events {
+    event LogClaimed(
+        address user,
+        address token,
+        uint256 amt,
+        uint256 setId
+    );
+}

contracts/mainnet/connectors/euler/euler-rewards/helpers.sol

@@ -0,0 +1,13 @@
+//SPDX-License-Identifier: MIT
+pragma solidity ^0.7.0;
+import "./interface.sol";
+import { Basic } from "../../../common/basic.sol";
+
+contract Helpers is Basic {
+
+    /**
+     * @dev Euler Incentives Distributor
+     */
+    IEulerDistributor internal constant eulerDistribute = IEulerDistributor(0xd524E29E3BAF5BB085403Ca5665301E94387A7e2);
+
+}

contracts/mainnet/connectors/euler/euler-rewards/interface.sol

@@ -0,0 +1,6 @@
+//SPDX-License-Identifier: MIT
+pragma solidity ^0.7.0;
+
+interface IEulerDistributor {
+    function claim(address account, address token, uint claimable, bytes32[] calldata proof, address stake) external;
+}

contracts/mainnet/connectors/euler/euler-rewards/main.sol

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+//SPDX-License-Identifier: MIT
+pragma solidity ^0.7.0;
+import "./helpers.sol";
+import "./events.sol";
+
+/**
+ * @title Euler Rewards.
+ * @dev Claim Euler rewards.
+ */
+
+contract EulerIncentives is Helpers, Events {
+
+    /**
+     * @dev Claim Pending Rewards.
+     * @notice Claim Pending Rewards from Euler incentives contract.
+     * @param user Address that should receive tokens.
+     * @param token Address of token being claimed (ie EUL)
+     * @param amt The amount of reward to claim.
+     * @param proof Merkle proof that validates this claim.
+     * @param setId ID stores the amount of rewards claimed.
+    */
+    function claim(
+        address user,
+        address token,
+        uint256 amt,
+        bytes32[] memory proof,
+        uint256 setId
+    ) external payable returns (string memory _eventName, bytes memory _eventParam) {
+        require(proof.length > 0, "proofs-empty");
+
+        eulerDistribute.claim(user, token, amt, proof, address(0));
+
+        setUint(setId, amt);
+
+        _eventName = "LogClaimed(address,address,uint256,uint256)";
+        _eventParam = abi.encode(user, token, amt, setId);
+    }
+}
+
+contract ConnectV2EulerIncentives is EulerIncentives {
+    string public constant name = "Euler-Incentives-v1";
+}

test/mainnet/euler-rewards/euler-rewards.test.ts

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+import { SignerWithAddress } from "@nomiclabs/hardhat-ethers/signers";
+import { ethers } from "hardhat";
+import { ConnectV2EulerIncentives, ConnectV2EulerIncentives__factory } from "../../../typechain";
+import hre from "hardhat";
+
+describe("Euler Rewards Claim Test", () => {
+  let signer: SignerWithAddress;
+  let signer_user: any;
+  const user = "0x9F60699cE23f1Ab86Ec3e095b477Ff79d4f409AD";
+  const EUL = "0xd9Fcd98c322942075A5C3860693e9f4f03AAE07b";
+
+  before(async () => {
+    [signer] = await ethers.getSigners();
+  });
+
+  describe("Euler Functions", () => {
+    let contract: ConnectV2EulerIncentives;
+
+    before(async () => {
+      await hre.network.provider.request({
+        method: "hardhat_reset",
+        params: [
+          {
+            forking: {
+              // eslint-disable-next-line @typescript-eslint/ban-ts-comment
+              // @ts-ignore
+              jsonRpcUrl: hre.config.networks.hardhat.forking.url,
+              blockNumber: 15247044,
+            },
+          },
+        ],
+      });
+
+      const deployer = new ConnectV2EulerIncentives__factory(signer);
+      contract = await deployer.deploy();
+      await contract.deployed();
+      console.log("Contract deployed at: ", contract.address);
+
+      await hre.network.provider.request({
+        method: 'hardhat_impersonateAccount',
+        params: [user],
+    })
+
+    signer_user = await ethers.getSigner(user)
+    });
+
+    it("Returns the positions on Euler", async () => {
+        let response = await contract
+            .connect(signer_user)
+            .claim(
+                user, 
+                EUL, 
+                "459635735326895",
+                ["0x7289f1c53c25e201538b91f7f6582388677bd6ff2fca03082267dbb1d96258ac",
+                '0xc85ccc67cd68d38b0da6eec50c3c897757832450e22ca103543589fb610b79ee',
+                '0x7e57faa32389a498f27187bc1c8ebb993a2065f019e3840cf36d599866ea5504',
+                '0x38aae0a5be3e76eef383cc55c48d029acb1c6c4ed91c8385a501c1cc8c2031ca',
+                '0x8bfd0363720bf2e5671b2689adbf667b74e47be7a5e91d36c3bdb24e4abad4f4',
+                '0xc23081eb1f3001535376d454a070abd67a27de6f3db68089568cf981adeb480f',
+                '0x8356b1a7033ff341b75749de37aab0d3a6a9420f20c03b9e07d0f7d3d1840753',
+                '0x4300ab0ed87f84baa140f31113e2eee8d20dea7d7ff7848cf6806ecd8067b1c9',
+                '0x83248015245f51e6d42021617415097cde157288d1c1de17f4de5fcbbd97b70e',
+                '0x785649546b18cad99c2aea8d889689b5b2d4fabc15e6a9ea1ff2b9310beebc44',
+                '0x310fdf199874bf9f992c02125278b4592bec5cd5ad1ee30fac130fa2b9ffc0ae',
+                '0x6d0a8568a994d5b8a356cf1a933ff8f5c195ea72f0f213f38a08ff3d87b3c4da'
+                ],
+                "0"
+            )
+        console.log(response);
+    });
+  });
+});