xrpl-dev-portal/_code-samples/modular-tutorials/create-time-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-based Escrow ****************
// *******************************************************

async function createTimeBasedEscrow() {

  //-------------------------------------------- Prepare Finish and Cancel Dates

  let escrow_finish_date = new Date()
  let escrow_cancel_date = new Date()
  escrow_finish_date = addSeconds(parseInt(escrowFinishTimeField.value))
  escrow_cancel_date = addSeconds(parseInt(escrowCancelTimeField.value))

  //------------------------------------------------------Connect to the Ledger
  let net = getNet()
  const client = new xrpl.Client(net)
  await client.connect()
  let results  = `Connected to ${net}.\nCreating time-based escrow.\n`
  resultField.value = results
  const wallet = xrpl.Wallet.fromSeed(accountSeedField.value)
  const sendAmount = amountField.value
  resultField.value = results
  const escrowTx = await client.autofill({
    "TransactionType": "EscrowCreate",
    "Account": wallet.address,
    "Amount": xrpl.xrpToDrops(sendAmount),
    "Destination": destinationField.value,
    "FinishAfter": escrow_finish_date,
    "CancelAfter": escrow_cancel_date
  })
  const signed = wallet.sign(escrowTx)
  const tx = await client.submitAndWait(signed.tx_blob)
  results += "\nSuccess! Save this sequence number: " + tx.result.tx_json.Sequence 
  xrpBalanceField.value = (await client.getXrpBalance(wallet.address))
  resultField.value = results
  client.disconnect()
} // End of createTimeEscrow()

// *******************************************************
// ***************** Finish Time- Based Escrow ***********
// *******************************************************

async function finishTimeBasedEscrow() {
  let net = getNet()
  const client = new xrpl.Client(net)
  await client.connect()
  let results = `Connected to ${net}. Finishing escrow....`
  resultField.value = results
  const wallet = xrpl.Wallet.fromSeed(accountSeedField.value)
  results += "\nwallet.address: = " + wallet.address
  resultField.value = results
  const prepared = await client.autofill({
    "TransactionType": "EscrowFinish",
    "Account": accountAddressField.value,
    "Owner": escrowOwnerField.value,
    "OfferSequence": parseInt(escrowSequenceNumberField.value)
  })
  const signed = wallet.sign(prepared)
  const tx = await client.submitAndWait(signed.tx_blob)
  results  += "\nBalance changes: " + 
    JSON.stringify(xrpl.getBalanceChanges(tx.result.meta), null, 2)
  resultField.value = results
  xrpBalanceField.value = (await client.getXrpBalance(wallet.address))
  client.disconnect()
} // End of finishTimeBasedEscrow()

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

async function getEscrows() {
  let net = getNet()
  const client = new xrpl.Client(net)
  await client.connect()   
  let results = `\nConnected to ${net}.\nGetting account escrows...\n`
  resultField.value = results
  const escrow_objects = await client.request({
    "id": 5,
    "command": "account_objects",
    "account": accountAddressField.value,
    "ledger_index": "validated",
    "type": "escrow"
  })
  results += JSON.stringify(escrow_objects.result, null, 2)
  resultField.value = results
  client.disconnect()
} // End of getEscrows()


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

async function getTransaction() {
  let net = getNet()
  const client = new xrpl.Client(net)
  await client.connect()   
  let results = `\nConnected to ${net}.\nGetting transaction information...\n`
  resultField.value = results
  const tx_info = await client.request({
    "id": 1,
    "command": "tx",
    "transaction": transactionField.value,
  })
  results += JSON.stringify(tx_info.result, null, 2)
  resultField.value = results
  client.disconnect()
 
} // End of getTransaction()

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

async function cancelEscrow() {
  let net = getNet()
  const client = new xrpl.Client(net)
  await client.connect()
  let results = `\nConnected to ${net}. Cancelling escrow....`
  resultField.value = results
  const wallet = xrpl.Wallet.fromSeed(accountSeedField.value)
  const prepared = await client.autofill({
    "TransactionType": "EscrowCancel",
    "Account": wallet.address,
    "Owner": escrowOwnerField.value,
    "OfferSequence": parseInt(escrowSequenceNumberField.value)
  })
  const signed = wallet.sign(prepared)
  const tx = await client.submitAndWait(signed.tx_blob)
   results  += "\nBalance changes: " + 
      JSON.stringify(xrpl.getBalanceChanges(tx.result.meta), null, 2)
  resultField.value = results
  xrpBalanceField.value = (await client.getXrpBalance(wallet.address))
  client.disconnect()
}