GMP Redeem Tracing

Filter RedeemForBtc call made on AssetRouter contract.

Open the transaction and navigate to "Logs" tab. Find MessageSent event.

Copy data.

Open input data decoder.

Paste data as Input Data, and ABI as Input ABI:

[{
    "inputs": [
      {
        "internalType": "bytes32",
        "name": "pathId",
        "type": "bytes32"
      },
      {
        "internalType": "uint256",
        "name": "nonce",
        "type": "uint256"
      },
      {
        "internalType": "bytes32",
        "name": "sender",
        "type": "bytes32"
      },
      {
        "internalType": "bytes32",
        "name": "recipient",
        "type": "bytes32"
      },
      {
        "internalType": "bytes32",
        "name": "destinationCaller",
        "type": "bytes32"
      },
      {
        "internalType": "bytes",
        "name": "body",
        "type": "bytes"
      }
    ],
    "name": "MessageV1",
    "outputs": [],
    "stateMutability": "view",
    "type": "function"
  },
  {
    "inputs": [
      {
        "internalType": "bytes32",
        "name": "toChainID",
        "type": "bytes32"
      },
      {
        "internalType": "bytes32",
        "name": "fromToken",
        "type": "bytes32"
      },
      {
        "internalType": "bytes32",
        "name": "redeemer",
        "type": "bytes32"
      },
      {
        "internalType": "bytes",
        "name": "scriptpubkey",
        "type": "bytes"
      },
      {
        "internalType": "uint256",
        "name": "amount",
        "type": "uint256"
      }
    ],
    "name": "redeem",
    "outputs": [],
    "stateMutability": "view",
    "type": "function"
  }]

Click decode.

Copy body to Input Data field and Click "Decode" again.

In the result you can see script pubkey which can be converted to bitcoin address.