node --version

nodejs --version

yarn --version

mkdir my_ripple_experiment && cd my_ripple_experiment

git init

{
  "name": "my_ripple_experiment",
  "version": "0.0.1",
  "license": "MIT",
  "private": true,
  "//": "Change the license to something appropriate. You may want to use 'UNLICENSED' if you are just starting out.",
  "dependencies": {
    "ripple-lib": "*"
  },
  "devDependencies": {
    "eslint": "*"
  }
}

yarn

warning eslint > file-entry-cache > flat-cache > circular-json@0.3.3: CircularJSON is in maintenance only, flatted is its successor.

npm WARN optional Skipping failed optional dependency /chokidar/fsevents: 

npm WARN notsup Not compatible with your operating system or architecture: fsevents@1.0.6

'use strict';
const RippleAPI = require('ripple-lib').RippleAPI;

const api = new RippleAPI({
  server: 'wss://s1.ripple.com' // Public rippled server
});
api.connect().then(() => {
  /* begin custom code ------------------------------------ */
  const myAddress = 'rf1BiGeXwwQoi8Z2ueFYTEXSwuJYfV2Jpn';

  console.log('getting account info for', myAddress);
  return api.getAccountInfo(myAddress);

}).then(info => {
  console.log(info);
  console.log('getAccountInfo done');

  /* end custom code -------------------------------------- */
}).then(() => {
  return api.disconnect();
}).then(() => {
  console.log('done and disconnected.');
}).catch(console.error);

node get-account-info.js

getting account info for rf1BiGeXwwQoi8Z2ueFYTEXSwuJYfV2Jpn
{ sequence: 359,
  xrpBalance: '75.181663',
  ownerCount: 4,
  previousInitiatedTransactionID: 'E5C6DD25B2DCF534056D98A2EFE3B7CFAE4EBC624854DE3FA436F733A56D8BD9',
  previousAffectingTransactionID: 'E5C6DD25B2DCF534056D98A2EFE3B7CFAE4EBC624854DE3FA436F733A56D8BD9',
  previousAffectingTransactionLedgerVersion: 18489336 }
getAccountInfo done
done and disconnected.

'use strict'; 
const RippleAPI = require('ripple-lib').RippleAPI;

const api = new RippleAPI({
  server: 'wss://s1.ripple.com' // Public rippled server
});

api.connect().then(() => {

  /* begin custom code ------------------------------------ */
  const myAddress = 'rf1BiGeXwwQoi8Z2ueFYTEXSwuJYfV2Jpn'; 

  console.log('getting account info for', myAddress); 
  return api.getAccountInfo(myAddress); 

}).then(info => {
  console.log(info); 
  console.log('getAccountInfo done'); 

  /* end custom code -------------------------------------- */

}).then(() => {
  return api.disconnect(); 
}).then(() => {
  console.log('done and disconnected.'); 
}).catch(console.error);

'use strict';
/* import RippleAPI and support libraries */
const RippleAPI = require('ripple-lib').RippleAPI;

/* Credentials of the account placing the order */
const myAddr = 'rf1BiGeXwwQoi8Z2ueFYTEXSwuJYfV2Jpn';
const mySecret = 's████████████████████████████';

/* Define the order to place here */
const myOrder = {
  'direction': 'buy',
  'quantity': {
    'currency': 'FOO',
    'counterparty': 'rUpy3eEg8rqjqfUoLeBnZkscbKbFsKXC3v',
    'value': '100'
  },
  'totalPrice': {
    'currency': 'XRP',
    'value': '1000'
  }
};

/* Milliseconds to wait between checks for a new ledger. */
const INTERVAL = 1000;
/* Instantiate RippleAPI. Uses s2 (full history server) */
const api = new RippleAPI({server: 'wss://s2.ripple.com'});
/* Number of ledgers to check for valid transaction before failing */
const ledgerOffset = 5;
const myInstructions = {maxLedgerVersionOffset: ledgerOffset};


/* Verify a transaction is in a validated XRP Ledger version */
function verifyTransaction(hash, options) {
  console.log('Verifying Transaction');
  return api.getTransaction(hash, options).then(data => {
    console.log('Final Result: ', data.outcome.result);
    console.log('Validated in Ledger: ', data.outcome.ledgerVersion);
    console.log('Sequence: ', data.sequence);
    return data.outcome.result === 'tesSUCCESS';
  }).catch(error => {
    /* If transaction not in latest validated ledger,
       try again until max ledger hit */
    if (error instanceof api.errors.PendingLedgerVersionError) {
      return new Promise((resolve, reject) => {
        setTimeout(() => verifyTransaction(hash, options)
        .then(resolve, reject), INTERVAL);
      });
    }
    return error;
  });
}


/* Function to prepare, sign, and submit a transaction to the XRP Ledger. */
function submitTransaction(lastClosedLedgerVersion, prepared, secret) {
  const signedData = api.sign(prepared.txJSON, secret);
  return api.submit(signedData.signedTransaction).then(data => {
    console.log('Tentative Result: ', data.resultCode);
    console.log('Tentative Message: ', data.resultMessage);
    /* The tentative result should be ignored. Transactions that succeed here can ultimately fail,
       and transactions that fail here can ultimately succeed. */

    /* Begin validation workflow */
    const options = {
      minLedgerVersion: lastClosedLedgerVersion,
      maxLedgerVersion: prepared.instructions.maxLedgerVersion
    };
    return new Promise((resolve, reject) => {
      setTimeout(() => verifyTransaction(signedData.id, options)
    .then(resolve, reject), INTERVAL);
    });
  });
}


api.connect().then(() => {
  console.log('Connected');
  return api.prepareOrder(myAddr, myOrder, myInstructions);
}).then(prepared => {
  console.log('Order 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);

git clone https://github.com/ripple/ripple-lib.git
cd ripple-lib
git checkout master

yarn

yarn run build

> ripple-lib@0.16.5 build /home/username/ripple-lib
> gulp

[14:11:02] Using gulpfile /home/username/ripple-lib/gulpfile.js
[14:11:02] Starting 'build'...
[14:11:03] Starting 'build-debug'...
[14:11:03] Starting 'build-min'...
[14:11:18] Finished 'build-debug' after 15 s
[14:11:18] Finished 'build' after 16 s
[14:11:18] Finished 'build-min' after 15 s
[14:11:18] Starting 'default'...
[14:11:18] Finished 'default' after 19 μs

<!DOCTYPE html>
<html>
<head>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.21/lodash.min.js" integrity="sha512-WFN04846sdKMIP5LKNphMaWzU7YpMyCU245etK3g/2ARYbPK9Ub18eG+ljU96qKRCWh+quCY7yefSmlkQw1ANQ==" crossorigin="anonymous"></script>
  <script type="application/javascript" src="assets/js/ripple-lib-1.9.1.min.js"></script>
  <script>
    console.log(ripple);
    var api = new ripple.RippleAPI({server:'wss://s1.ripple.com/'});
    api.connect().then(function() {
        return api.getServerInfo();
    }).then(function(server_info) {
    document.body.innerHTML += "<p>Connected to rippled server!</p>" +
"      <table>" +
"        <tr><th>Version</th>" +
"          <td>" + server_info.buildVersion + "</td></tr>" +
"        <tr><th>Ledgers available</th>" +
"          <td>" + server_info.completeLedgers + "</td></tr>" +
"        <tr><th>hostID</th>" +
"          <td>" + server_info.hostID + "</td></tr>" +
"        <tr><th>Most Recent Validated Ledger Seq.</th>" +
"          <td>" + server_info.validatedLedger.ledgerVersion + "</td></tr>" +
"        <tr><th>Most Recent Validated Ledger Hash</th>" +
"          <td>" + server_info.validatedLedger.hash + "</td></tr>" +
"        <tr><th>Seconds since last ledger validated</th>" +
"          <td>" + server_info.validatedLedger.age + "</td></tr>" +
"      </table>";
    });
  </script>
  <style type="text/css">
    td, th { border: 1px solid black; padding: 5px; }
    table { border-collapse: collapse; }
  </style>
</head>
<body></body>
</html>