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Nov 11th, 2024
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  1. // Import necessary libraries
  2. const ethers = require('ethers');
  3. const { AggLayerBridge } = require('agglayer-sdk'); // Replace with the correct SDK or library
  4.  
  5. // Configuration details (fill in with your values)
  6. const provider = new ethers.providers.JsonRpcProvider('CARDANO_RPC_URL'); // Replace with your Cardano RPC URL
  7. const wallet = new ethers.Wallet('YOUR_PRIVATE_KEY', provider); // Your private key for signing transactions
  8. const bridgeContractAddress = 'BRIDGE_CONTRACT_ADDRESS'; // Address of the AggLayer bridge contract on Cardona
  9.  
  10. // Initialize AggLayer bridge contract instance
  11. const bridgeContract = new ethers.Contract(
  12.   bridgeContractAddress,
  13.   AggLayerBridge.abi, // ABI for the AggLayer bridge
  14.   wallet
  15. );
  16.  
  17. // Function to claim bridged asset and message on Cardona
  18. async function claimBridgedAssetAndMessage(txHash, bridgedAssetAddress) {
  19.   try {
  20.     // Fetch the message data for the bridged transaction (using txHash)
  21.     const messageData = await bridgeContract.getMessageData(txHash);
  22.  
  23.     // Assuming messageData includes details about the asset claim, validate asset address
  24.     if (messageData.assetAddress !== bridgedAssetAddress) {
  25.       console.error("Bridged asset address mismatch");
  26.       return;
  27.     }
  28.  
  29.     // Claim the asset using the bridge contract's claim function
  30.     const claimTx = await bridgeContract.claim(
  31.       txHash, // Transaction hash of the original bridge transfer
  32.       bridgedAssetAddress, // The address of the bridged asset
  33.       {
  34.         gasLimit: ethers.utils.hexlify(500000), // Set an appropriate gas limit
  35.       }
  36.     );
  37.  
  38.     // Wait for transaction confirmation
  39.     const receipt = await claimTx.wait();
  40.     console.log("Asset claimed successfully:", receipt);
  41.   } catch (error) {
  42.     console.error("Error claiming bridged asset and message:", error);
  43.   }
  44. }
  45.  
  46. // Example usage
  47. const txHash = 'YOUR_TX_HASH'; // The transaction hash from the Sepolia bridgeAndCall
  48. const bridgedAssetAddress = 'BRIDGED_ASSET_ADDRESS_ON_CARDONA'; // The computed or retrieved bridged asset address
  49. claimBridgedAssetAndMessage(txHash, bridgedAssetAddress);
  50.  
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