Escrow transaction ref corrections, sample code in progress

content/code_samples/escrow/cancel-escrow.js

@@ -0,0 +1,40 @@
+'use strict'
+const RippleAPI = require('ripple-lib').RippleAPI
+
+const myAddr = 'rf1BiGeXwwQoi8Z2ueFYTEXSwuJYfV2Jpn'
+const mySecret = 's████████████████████████████'
+
+const myEscrowCancellation = {
+  owner: myAddr,
+  escrowSequence: 366
+}
+const myInstructions = {
+  maxLedgerVersionOffset: 5
+}
+
+const api = new RippleAPI({server: 'wss://s2.ripple.com'})
+
+function submitTransaction(lastClosedLedgerVersion, prepared, secret) {
+  const signedData = api.sign(prepared.txJSON, secret)
+  console.log('Transaction ID: ', signedData.id)
+  return api.submit(signedData.signedTransaction).then(data => {
+    console.log('Tentative Result: ', data.resultCode)
+    console.log('Tentative Message: ', data.resultMessage)
+  })
+}
+
+api.connect().then(() => {
+  console.log('Connected')
+  return api.prepareEscrowCancellation(myAddr, myEscrowCancellation, myInstructions)
+}).then(prepared => {
+  console.log('EscrowCancellation Prepared')
+  return api.getLedger().then(ledger => {
+    console.log('Current Ledger', ledger.ledgerVersion)
+    return submitTransaction(ledger.ledgerVersion, prepared, mySecret)
+  })
+}).then(() => {
+  api.disconnect().then(() => {
+    console.log('api disconnected')
+    process.exit()
+  })
+}).catch(console.error)

content/code_samples/escrow/create-escrow.js

@@ -0,0 +1,55 @@
+'use strict'
+const RippleAPI = require('ripple-lib').RippleAPI
+const cc = require('five-bells-condition')
+const crypto = require('crypto')
+
+const myAddr = 'rf1BiGeXwwQoi8Z2ueFYTEXSwuJYfV2Jpn'
+const mySecret = 's████████████████████████████'
+
+const preimageData = crypto.randomBytes(32)
+const myFulfillment = new cc.PreimageSha256()
+myFulfillment.setPreimage(preimageData)
+const conditionHex = myFulfillment.getConditionBinary().toString('hex').toUpperCase()
+
+console.log('Condition:', conditionHex)
+console.log('Fulfillment:', myFulfillment.serializeBinary().toString('hex').toUpperCase())
+
+const currentTime = new Date()
+const myEscrow = {
+  "destination": "rf1BiGeXwwQoi8Z2ueFYTEXSwuJYfV2Jpn", // Destination can be same as source
+  "destinationTag": 2017,
+  "amount": "0.1113", //decimal XRP
+  "condition": conditionHex,
+  "allowExecuteAfter": currentTime.toISOString() // can be executed right away if the condition is met
+}
+const myInstructions = {
+  maxLedgerVersionOffset: 5
+}
+
+const api = new RippleAPI({server: 'wss://s2.ripple.com'})
+
+function submitTransaction(lastClosedLedgerVersion, prepared, secret) {
+  const signedData = api.sign(prepared.txJSON, secret)
+  console.log('Transaction ID: ', signedData.id)
+  return api.submit(signedData.signedTransaction).then(data => {
+    console.log('Tentative Result: ', data.resultCode)
+    console.log('Tentative Message: ', data.resultMessage)
+  })
+}
+
+
+api.connect().then(() => {
+  console.log('Connected')
+  return api.prepareEscrowCreation(myAddr, myEscrow, myInstructions)
+}).then(prepared => {
+  console.log('EscrowCreation Prepared')
+  return api.getLedger().then(ledger => {
+    console.log('Current Ledger', ledger.ledgerVersion)
+    return submitTransaction(ledger.ledgerVersion, prepared, mySecret)
+  })
+}).then(() => {
+  api.disconnect().then(() => {
+    console.log('api disconnected')
+    process.exit()
+  })
+}).catch(console.error)

content/code_samples/escrow/package.json

@@ -3,6 +3,8 @@
   "version": "0.0.1",
   "license": "MIT",
   "dependencies": {
+    "ripple-lib": "^0.17.6",
     "five-bells-condition": "*"
-  }
+  },
+  "//": "Intended for Node.js version ?.? and higher"
 }