PayChan in Xumm

paychan.json

// Creating the channel
{
  "txjson": {
    "TransactionType": "PaymentChannelCreate",
    "Amount": "1000000",
    "Destination": "rfHn6cB5mmqZ6fHZ4fdemCDSxqLTijgMwo",
    "PublicKey": "037E3F11237DF2E0EBFE3B5872A5BB76F1C05DE079BA44E157E7896F0AFC7F7BE8", // Only needed if not the signer
    "SettleDelay": 1
  }
}

// Signing a receipt
{
  "txjson": {
    "TransactionType": "PaymentChannelAuthorize",
    "Channel": "5542564CB513FB955DDC37F905819C518698F9A60BCC33B02BAD3CA33B66702F",
    "Amount": "500000"
  }
}

// Claiming the receipt
{
  "txjson": {
    "TransactionType": "PaymentChannelClaim",
    "Channel": "5542564CB513FB955DDC37F905819C518698F9A60BCC33B02BAD3CA33B66702F",
    "PublicKey": "0350714189757DA0403CE1FF2025522337EA1B60D9796B11D5559EE914982D6AC3",
    "Signature": "304502210091E5012EB5A9BE2530353A35F183694677574285A390B38973EF6E3D97519D9C02202C7806E525C6F7536CBE81992119C2014119174F4AB7C9B3F2065D8ADCD55FAC",
    "Amount": "750000", // Claim, NO NEED, USE BALANCE CUMULATIVE ONLY
    "Balance": "500000" // Current channel balance + claim post claim
  }
}

// Closing the channel
{
  "txjson": {
    "TransactionType": "PaymentChannelClaim",
    "Channel": "F4F3F3CEB117C5EB10597536C76034D1801C0C4980044B632D4CB7F1E9EC0956",
    "Flags": 131072
  }
}