Refund scripts

example.env

@@ -1,3 +1,6 @@
 ALPHANET_RPC_URL=http://127.0.0.1:4444
 MAINNET_RPC_URL=https://public-node.rsk.co
-TESTNET_RPC_URL=https://public-node.testnet.rsk.co
+TESTNET_RPC_URL=https://public-node.testnet.rsk.co
+MAINNET_SIGNER_PRIVATE_KEY=<private_key>
+TESTNET_SIGNER_PRIVATE_KEY=<private_key>
+DEV_SIGNER_PRIVATE_KEY=<private_key>

package.json

@@ -31,8 +31,10 @@
   },
   "homepage": "https://github.com/rsksmart/liquidity-bridge-contract#readme",
   "devDependencies": {
+    "@mempool/mempool.js": "^2.3.0",
     "@openzeppelin/truffle-upgrades": "^1.17.1",
     "@rsksmart/pmt-builder": "^3.0.0",
+    "bitcoinjs-lib": "^6.0.1",
     "bs58check": "^3.0.1",
     "dotenv": "^16.3.1",
     "prettier": "^2.4.1",

scripts/refundUserPegout.js

@@ -0,0 +1,59 @@
+require('dotenv').config();
+const Web3 = require("web3");
+const web3Provider = new Web3.providers.HttpProvider(
+    config.config.network === 'rskMainnet' ? process.env.MAINNET_RPC_URL : process.env.TESTNET_RPC_URL
+);
+const web3 = new Web3(web3Provider);
+
+// ------ REPLACE THE FOLLOWING DATA WITH THE DATA OF THE PEGOUT YOU WANT TO REFUND ------
+
+const quoteHash = "2a64325b9f587fe206f46c92b2a12568815ad76427ad56e02e0946f08d12d7d2";
+
+// ------ END OF THE DATA TO BE REPLACED ------
+
+const networksInfo = {
+    'rskDevelopment': {
+        privateKeyEnv: 'DEV_SIGNER_PRIVATE_KEY',
+        lbcAddress: '0x18D8212bC00106b93070123f325021C723D503a3',
+    },
+    'rskTestnet': {
+        privateKeyEnv: 'TESTNET_SIGNER_PRIVATE_KEY',
+        lbcAddress: '0xc2A630c053D12D63d32b025082f6Ba268db18300',
+    },
+    'rskMainnet': {
+        privateKeyEnv: 'MAINNET_SIGNER_PRIVATE_KEY',
+        lbcAddress: '0xAA9cAf1e3967600578727F975F283446A3Da6612',
+    }
+}
+
+module.exports = async function (callback) {
+    try {
+        const networkInfo = networksInfo[config.config.network];
+        web3.eth.accounts.wallet.add("0x"+process.env[networkInfo.privateKeyEnv]);
+        const signer = web3.eth.accounts.wallet[0];
+        const refundPegoutCaller = signer.address;
+        console.log('Executing refundUserPegOut from ' + refundPegoutCaller);
+
+        const json = require("../build/contracts/LiquidityBridgeContractV2.json");
+        const contract = new web3.eth.Contract(json.abi, networkInfo.lbcAddress);
+
+
+        const gasEstimation = await contract.methods.refundUserPegOut('0x' + quoteHash).estimateGas();
+
+        console.log("Gas estimation: ", gasEstimation);
+
+        const refundPegoutResult = await contract.methods.refundUserPegOut('0x' + quoteHash)
+            .call({ to: networkInfo.lbcAddress, from: refundPegoutCaller, gasLimit: gasEstimation });
+
+        console.log("Expected result: ", refundPegoutResult);
+        const receipt = await contract.methods.refundUserPegOut('0x' + quoteHash)
+            .send({ to: networkInfo.lbcAddress, from: refundPegoutCaller, gasLimit: gasEstimation + 200 });
+        console.log("Receipt: ");
+        console.log(receipt);
+
+    } catch (error) {
+        console.error("Error running refund pegout script: ");
+        console.error(error);
+    }
+    callback();
+};