PaymentChannelFund

Adds additional XRP to an existing payment channel to increase its capacity.

See the canonical spec:

XRPL Protocol Reference → PaymentChannelFund

TypeScript
import { Client, Wallet } from 'xrpl';

async function fundPaymentChannel(): Promise<void> {
  const client = new Client('wss://honeycluster.dev');
  await client.connect();

  const wallet = Wallet.fromSeed('s...');
  const prepared = await client.autofill({
    TransactionType: 'PaymentChannelFund',
    Account: wallet.address,
    Channel: 'ABC...',
    Amount: '500000',
  });
  const signed = wallet.sign(prepared);
  const res = await client.submitAndWait(signed.tx_blob);
  console.log(res);
  await client.disconnect();
}

fundPaymentChannel().catch(console.error);

Parameters

Field	Type	Required	Description
`Account`	String	Yes	The address of the account funding the channel
`Channel`	String	Yes	The unique identifier of the payment channel
`Amount`	String	Yes	Amount of XRP to add to the channel (in drops)
`Expiration`	Number	No	New expiration time for the channel

Channel:

•
Unique identifier returned from PaymentChannelCreate
•
Must reference an existing payment channel

Amount:

•
Must be specified in drops (1 XRP = 1,000,000 drops)
•
Example: "500000" = 0.5 XRP
•
Adds to the total capacity of the channel

Expiration:

•
Unix timestamp in seconds
•
If specified, extends the channel's expiration time
•
If omitted, keeps the original expiration time

Note:

•
Can only be executed by the channel creator
•
Increases the total capacity available for micropayments
•
The channel must be active (not expired or closed)

Notes

•
Adds more XRP to an existing payment channel
•
Can only be executed by the channel creator
•
Amount specifies the additional XRP to add
•
Increases the total capacity available for micropayments
•
Always use autofill to set fees and sequence safely when using the XRPL client library

PaymentChannelCreate

PaymentChannelClaim