Dao Docs

Tracking xCalls

Every xcall is associated with a unique transferId that can be used to track its lifecycle through a cross-chain transaction.

Connextscan

The easiest option to track an xcall is by using Connextscan to look up any transferId. In the top right search box, enter the transferId of interest.

Connextscan will pull up current status of the associated xcall.

Querying Subgraphs

You can also query the hosted subgraphs on each chain to check the transaction status.

  1. Make note of the transaction hash that interacted with the Connext contract.

  2. Navigate to the hosted subgraph for the origin domain and query by the xcall's transaction hash or the transfer ID.

query OriginTransfer {
  originTransfers(
    where: {
      # Query by the transaction hash of the xcall
      transactionHash: "<TRANSACTION_HASH>",
      # Or by the xcall's transfer ID
      transferId: "<TRANSFER_ID>"
    }
  ) {
    # Meta Data
    chainId
    nonce
    transferId
    to
    delegate
    receiveLocal
    callData
    slippage
    originSender
    originDomain
    destinationDomain
    transactionHash
    bridgedAmt
    status
    timestamp
    normalizedIn
    # Asset Data
    asset {
      id
      adoptedAsset
      canonicalId
      canonicalDomain
    }
  }
}

  1. Navigate to the hosted subgraph for the destination domain and query by the transferId obtained from the origin domain subgraph.

query DestinationTransfer {
  destinationTransfers(
    where: {
      transferId: "<TRANSFER_ID>"
    }
  ) {
    # Meta Data
    chainId
    nonce
    transferId
    to
    callData
    originDomain
    destinationDomain
    delegate
    # Asset Data
    asset {
      id
    }
    bridgedAmt
    # Executed event Data
    status
    routers {
      id
    }
    originSender
    # Executed Transaction
    executedCaller
    executedTransactionHash
    executedTimestamp
    executedGasPrice
    executedGasLimit
    executedBlockNumber
    # Reconciled Transaction
    reconciledCaller
    reconciledTransactionHash
    reconciledTimestamp
    reconciledGasPrice
    reconciledGasLimit
    reconciledBlockNumber
    routersFee
    slippage
  }
}

  1. If there was a nested xcall involved on the destination side, the executedTransactionHash from step 3 can be used as the new origin-side transaction hash. To trace the nested xcall, go back to step 1 using this executedTransactionHash but instead consider the current destination domain as the origin domain.

XCall Status

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