Add support for regularKey in prepareSettings

src/api/transaction/settings.js

@@ -92,8 +92,14 @@ function createSettingsTransaction(account, settings) {
   validate.settings(settings);
 
   const transaction = new ripple.Transaction();
-  transaction.accountSet(account);
+  if (settings.regularKey) {
+    return transaction.setRegularKey({
+      account: account,
+      regular_key: settings.regularKey
+    });
+  }
 
+  transaction.accountSet(account);
   setTransactionFlags(transaction, settings);
   setTransactionFields(transaction, settings);
 

test/api-test.js

@@ -16,6 +16,7 @@ const orderCancellationResponse =
   require('./fixtures/ordercancellation-response');
 const settingsSpecification = require('./fixtures/settings-specification');
 const settingsResponse = require('./fixtures/settings-response');
+const regularKeyResponse = require('./fixtures/regular-key-response');
 const signInput = require('./fixtures/sign-input');
 const signOutput = require('./fixtures/sign-output');
 const MockPRNG = require('./mock-prng');
@@ -91,6 +92,12 @@ describe('RippleAPI', function() {
       instructions, _.partial(checkResult, settingsResponse, done));
   });
 
+  it('prepareSettings - regularKey', function(done) {
+    const regularKey = {regularKey: 'rAR8rR8sUkBoCZFawhkWzY4Y5YoyuznwD'};
+    this.api.prepareSettings(address, regularKey,
+      instructions, _.partial(checkResult, regularKeyResponse, done));
+  });
+
   it('sign', function() {
     const secret = 'shsWGZcmZz6YsWWmcnpfr6fLTdtFV';
     withDeterministicPRNG(() => {

test/fixtures/regular-key-response.json

@@ -0,0 +1,9 @@
+{
+  "Flags": 0,
+  "TransactionType": "SetRegularKey",
+  "Account": "r9cZA1mLK5R5Am25ArfXFmqgNwjZgnfk59",
+  "RegularKey": "rAR8rR8sUkBoCZFawhkWzY4Y5YoyuznwD",
+  "LastLedgerSequence": 8820051,
+  "Fee": "12",
+  "Sequence": 23
+}