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Prerequisites

  • A Spark wallet created following the Create First Wallet guide
  • Pending transfers (from Lightning payments, Spark transfers, or Bitcoin deposits)

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Understanding Transfer Claims

When you receive funds through Lightning payments, Spark transfers, or Bitcoin deposits, they need to be claimed before becoming available in your wallet. The claiming process:
  • Verifies the transfer’s validity
  • Updates your wallet’s state
  • Makes the funds available for use

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Checking Pending Transfers

To view all pending transfers that need to be claimed: 
const pendingTransfers = await wallet.getPendingTransfers();
console.log("Pending transfers:", pendingTransfers);

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Claiming Transfers

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Claim All Pending Transfers

The simplest way to claim all pending transfers at once: 
const claimed = await wallet.claimTransfers();
console.log("Transfers claimed:", claimed);

// Check updated balance
const balance = await wallet.getBalance();
console.log("New balance:", balance);

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Claim Specific Transfer

If you want to claim a specific transfer: 
const pendingTransfers = await wallet.getPendingTransfers();
if (pendingTransfers.length > 0) {
    const transfer = pendingTransfers[0];
    await wallet.claimTransfer(transfer);
    console.log("Transfer claimed successfully");
}

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Transfer States

Transfers can be in different states:
  • TRANSFER_STATUS_SENDER_KEY_TWEAKED
  • TRANSFER_STATUS_RECEIVER_KEY_TWEAKED
  • TRANSFER_STATUS_RECEIVER_REFUND_SIGNED
Only transfers in these states can be claimed.

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Best Practices

  • Regularly check and claim pending transfers
  • Monitor transfer states to ensure successful claims
  • Keep track of claimed transfer IDs for reference

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Next Steps

After claiming your transfers, you can:

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