Rewrite transaction parser and add unit test for getTransaction

src/api/ledger/parse/utils.js

@@ -0,0 +1,40 @@
+'use strict';
+const _ = require('lodash');
+const transactionParser = require('ripple-lib-transactionparser');
+const toTimestamp = require('../../../core/utils').toTimestamp;
+const utils = require('../utils');
+
+function parseTimestamp(tx) {
+  return tx.date ? (new Date(toTimestamp(tx.date))).toISOString() : undefined;
+}
+
+function removeUndefined(obj) {
+  return obj ? _.omit(obj, _.isUndefined) : obj;
+}
+
+function parseOutcome(tx) {
+  if (!tx.validated) {
+    return undefined;
+  }
+
+  const balanceChanges = transactionParser.parseBalanceChanges(tx.meta);
+  const orderbookChanges = transactionParser.parseOrderBookChanges(tx.meta);
+
+  return {
+    result: tx.meta.TransactionResult,
+    timestamp: parseTimestamp(tx),
+    fee: utils.common.dropsToXrp(tx.Fee),
+    balanceChanges: balanceChanges,
+    orderbookChanges: orderbookChanges,
+    ledgerVersion: tx.ledger_index,
+    sequence: tx.Sequence
+  };
+}
+
+module.exports = {
+  parseOutcome,
+  removeUndefined,
+  dropsToXrp: utils.common.dropsToXrp,
+  constants: utils.common.constants,
+  core: utils.common.core
+};