Add multisignature support

src/ledger/parse/fields.js

@@ -1,5 +1,6 @@
 /* @flow */
 'use strict';
+const _ = require('lodash');
 const BigNumber = require('bignumber.js');
 const AccountFields = require('./utils').constants.AccountFields;
 
@@ -22,6 +23,26 @@ function parseFields(data: Object): Object {
       settings[info.name] = parseField(info, fieldValue);
     }
   }
+
+  if (data.RegularKey) {
+    settings.regularKey = data.RegularKey;
+  }
+
+  // TODO: this isn't implemented in rippled yet, may have to change this later
+  if (data.SignerQuorum || data.SignerEntries) {
+    settings.signers = {};
+    if (data.SignerQuorum) {
+      settings.signers.threshold = data.SignerQuorum;
+    }
+    if (data.SignerEntries) {
+      settings.signers.weights = _.map(data.SignerEntries, entry => {
+        return {
+          address: entry.SignerEntry.Account,
+          weight: entry.SignerEntry.SignerWeight
+        };
+      });
+    }
+  }
   return settings;
 }
 

src/ledger/parse/settings.js

@@ -52,10 +52,10 @@ function parseFlags(tx: Object) {
 
 function parseSettings(tx: Object) {
   const txType = tx.TransactionType;
-  assert(txType === 'AccountSet' || txType === 'SetRegularKey');
+  assert(txType === 'AccountSet' || txType === 'SetRegularKey' ||
+         txType === 'SignerListSet');
 
-  const regularKey = tx.RegularKey ? {regularKey: tx.RegularKey} : {};
-  return _.assign(regularKey, parseFlags(tx), parseFields(tx));
+  return _.assign({}, parseFlags(tx), parseFields(tx));
 }
 
 module.exports = parseSettings;

src/ledger/parse/transaction.js

@@ -22,7 +22,8 @@ function parseTransactionType(type) {
     SetRegularKey: 'settings',
     SuspendedPaymentCreate: 'suspendedPaymentCreation',
     SuspendedPaymentFinish: 'suspendedPaymentExecution',
-    SuspendedPaymentCancel: 'suspendedPaymentCancellation'
+    SuspendedPaymentCancel: 'suspendedPaymentCancellation',
+    SignerListSet: 'settings'
   };
   return mapping[type] || null;
 }