xrpl-dev-portal/_code-samples/quickstart/js/ripplex8-escrow.js

// *******************************************************
// ************* Add Seconds to Current Date *************
// *******************************************************

function addSeconds(numOfSeconds, date = new Date()) {
  date.setSeconds(date.getSeconds() + numOfSeconds)
  date = Math.floor(date / 1000)
  date = date - 946684800

  return date
}

// *******************************************************
// ***************** Create Time Escrow ******************
// *******************************************************

async function createTimeEscrow() {
  //-------------------------------------------- Prepare Finish and Cancel Dates

  let escrow_finish_date = new Date()
  let escrow_cancel_date = new Date()
  escrow_finish_date = addSeconds(parseInt(standbyEscrowFinishDateField.value))
  escrow_cancel_date = addSeconds(parseInt(standbyEscrowCancelDateField.value))

  //------------------------------------------------------Connect to the Ledger
  results = 'Connecting to the selected ledger.\n'
  standbyResultField.value = results
  let net = getNet()
  results = 'Connecting to ' + net + '....\n'
  const client = new xrpl.Client(net)
  await client.connect()

  results += 'Connected. Creating time-based escrow.\n'
  standbyResultField.value = results

  const standby_wallet = xrpl.Wallet.fromSeed(standbySeedField.value)
  const operational_wallet = xrpl.Wallet.fromSeed(operationalSeedField.value)
  const sendAmount = standbyAmountField.value

  results += '\nstandby_wallet.address: = ' + standby_wallet.address
  standbyResultField.value = results

  // ------------------------------------------------------- Prepare transaction

  const escrowTx = await client.autofill({
    TransactionType: 'EscrowCreate',
    Account: standby_wallet.address,
    Amount: xrpl.xrpToDrops(sendAmount),
    Destination: standbyDestinationField.value,
    FinishAfter: escrow_finish_date,
    CancelAfter: escrow_cancel_date,
  })

  // ------------------------------------------------ Sign prepared instructions
  const signed = standby_wallet.sign(escrowTx)

  // -------------------------------------------------------- Submit signed blob
  const tx = await client.submitAndWait(signed.tx_blob)
  results += '\nSequence Number (Save!): ' + JSON.stringify(tx.result.Sequence)
  results += '\n\nBalance changes: ' + JSON.stringify(xrpl.getBalanceChanges(tx.result.meta), null, 2)
  standbyBalanceField.value = await client.getXrpBalance(standby_wallet.address)
  operationalBalanceField.value = await client.getXrpBalance(operational_wallet.address)
  standbyResultField.value = results

  // ----------------------------------------------Disconnect from the XRP Ledger
  client.disconnect()
} // End of createTimeEscrow()

// *******************************************************
// ***************** Finish Time Escrow ******************
// *******************************************************

async function finishEscrow() {
  results = 'Connecting to the selected ledger.\n'
  operationalResultField.value = results
  let net = getNet()
  results = 'Connecting to ' + getNet() + '....'
  const client = new xrpl.Client(net)
  await client.connect()

  results += '\nConnected. Finishing escrow.\n'
  operationalResultField.value = results

  const operational_wallet = xrpl.Wallet.fromSeed(operationalSeedField.value)
  const standby_wallet = xrpl.Wallet.fromSeed(standbySeedField.value)
  const sendAmount = operationalAmountField.value

  results += '\noperational_wallet.address: = ' + operational_wallet.address
  operationalResultField.value = results

  // ------------------------------------------------------- Prepare transaction
  // Note that the destination is hard coded.
  const prepared = await client.autofill({
    TransactionType: 'EscrowFinish',
    Account: operationalAccountField.value,
    Owner: standbyAccountField.value,
    OfferSequence: parseInt(operationalEscrowSequenceField.value),
  })

  // ------------------------------------------------ Sign prepared instructions
  const signed = operational_wallet.sign(prepared)

  // -------------------------------------------------------- Submit signed blob
  const tx = await client.submitAndWait(signed.tx_blob)
  results += '\nBalance changes: ' + JSON.stringify(xrpl.getBalanceChanges(tx.result.meta), null, 2)
  operationalResultField.value = results
  standbyBalanceField.value = await client.getXrpBalance(standby_wallet.address)
  operationalBalanceField.value = await client.getXrpBalance(operational_wallet.address)

  client.disconnect()
} // End of finishEscrow()

// *******************************************************
// ************** Get Standby Escrows ********************
// *******************************************************

async function getStandbyEscrows() {
  let net = getNet()
  const client = new xrpl.Client(net)
  results = 'Connecting to ' + getNet() + '....'
  standbyResultField.value = results

  await client.connect()
  results += '\nConnected.'
  standbyResultField.value = results

  results = '\nGetting standby account escrows...\n'
  const escrow_objects = await client.request({
    id: 5,
    command: 'account_objects',
    account: standbyAccountField.value,
    ledger_index: 'validated',
    type: 'escrow',
  })
  results += JSON.stringify(escrow_objects.result, null, 2)
  standbyResultField.value = results

  client.disconnect()
} // End of getStandbyEscrows()

// *******************************************************
// ***************** Get Op Escrows **********************
// *******************************************************

async function getOperationalEscrows() {
  let net = getNet()
  const client = new xrpl.Client(net)
  results = 'Connecting to ' + getNet() + '....'
  operationalResultField.value = results

  await client.connect()
  results += '\nConnected.'
  operationalResultField.value = results

  results = '\nGetting operational account escrows...\n'
  const escrow_objects = await client.request({
    id: 5,
    command: 'account_objects',
    account: operationalAccountField.value,
    ledger_index: 'validated',
    type: 'escrow',
  })
  results += JSON.stringify(escrow_objects.result, null, 2)
  operationalResultField.value = results
  client.disconnect()
} // End of getOperationalEscrows()

// *******************************************************
// ************** Get Transaction Info *******************
// *******************************************************

async function getTransaction() {
  let net = getNet()
  const client = new xrpl.Client(net)
  results = 'Connecting to ' + getNet() + '....'
  operationalResultField.value = results

  await client.connect()
  results += '\nConnected.'
  operationalResultField.value = results

  results = '\nGetting transaction information...\n'
  const tx_info = await client.request({
    id: 1,
    command: 'tx',
    transaction: operationalTransactionField.value,
  })
  results += JSON.stringify(tx_info.result, null, 2)
  operationalResultField.value = results
  client.disconnect()
} // End of getTransaction()

// *******************************************************
// ****************** Cancel Escrow **********************
// *******************************************************

async function cancelEscrow() {
  let net = getNet()
  const client = new xrpl.Client(net)
  results = 'Connecting to ' + getNet() + '....'
  standbyResultField.value = results

  await client.connect()
  results += '\nConnected.'
  standbyResultField.value = results

  const standby_wallet = xrpl.Wallet.fromSeed(standbySeedField.value)
  const operational_wallet = xrpl.Wallet.fromSeed(operationalSeedField.value)

  // ------------------------------------------------------- Prepare transaction

  const prepared = await client.autofill({
    TransactionType: 'EscrowCancel',
    Account: standby_wallet.address,
    Owner: standbyAccountField.value,
    OfferSequence: parseInt(standbyEscrowSequenceNumberField.value),
  })

  // ------------------------------------------------ Sign prepared instructions
  const signed = standby_wallet.sign(prepared)

  // -------------------------------------------------------- Submit signed blob
  const tx = await client.submitAndWait(signed.tx_blob)

  results += '\nBalance changes: ' + JSON.stringify(xrpl.getBalanceChanges(tx.result.meta), null, 2)
  standbyResultField.value = results

  standbyBalanceField.value = await client.getXrpBalance(standby_wallet.address)
  operationalBalanceField.value = await client.getXrpBalance(operational_wallet.address)

  client.disconnect()
}