Add getTrustlines and unit test

src/api/ledger/parse/account-trustline.js

@@ -0,0 +1,30 @@
+'use strict';
+const utils = require('./utils');
+
+// rippled 'account_lines' returns a different format for
+// trustlines than 'tx'
+function parseAccountTrustline(trustline) {
+  const specification = utils.removeUndefined({
+    limit: trustline.limit,
+    currency: trustline.currency,
+    counterparty: trustline.account,
+    qualityIn: trustline.quality_in || undefined,
+    qualityOut: trustline.quality_out || undefined,
+    disableRippling: trustline.no_ripple,
+    frozen: trustline.freeze,
+    authorized: trustline.authorized
+  });
+  // rippled doesn't provide the counterparty's qualities
+  const counterparty = utils.removeUndefined({
+    limit: trustline.limit_peer,
+    disableRippling: trustline.no_ripple_peer,
+    frozen: trustline.freeze_peer,
+    authorized: trustline.peer_authorized
+  });
+  const state = {
+    balance: trustline.balance
+  };
+  return {specification, counterparty, state};
+}
+
+module.exports = parseAccountTrustline;

src/api/ledger/parse/trustline.js

@@ -13,7 +13,7 @@ function parseTrustline(tx: Object): Object {
     counterparty: tx.LimitAmount.issuer,
     qualityIn: tx.QualityIn,
     qualityOut: tx.QualityOut,
-    allowRippling: (tx.Flags & flags.NoRipple) === 0,
+    disableRippling: (tx.Flags & flags.NoRipple) !== 0,
     frozen: (tx.Flags & flags.SetFreeze) !== 0,
     authorized: (tx.Flags & flags.SetAuth) !== 0
   };