Add transaction entity and feathers service

related to #51

feathers-src/models/transactions.model.js

@@ -0,0 +1,24 @@
+function Transaction(app) {
+  const mongooseClient = app.get('mongooseClient');
+  const { Schema } = mongooseClient;
+  const transaction = new Schema(
+    {
+      hash: { type: String, required: true, index: true },
+      from: { type: String },
+      gasPrice: { type: Number },
+      gasUsed: { type: Number },
+      blockNumber: { type: Number },
+      isHome: { type: Boolean, default: false },
+      timestamp: { type: Date },
+    },
+    {
+      timestamps: false,
+    },
+  );
+
+  return mongooseClient.model('transactions', transaction);
+}
+
+module.exports = {
+  createModel: Transaction,
+};

feathers-src/services/index.js

@@ -6,6 +6,7 @@ const spenders = require('./spenders/spenders.service');
 const depositors = require('./depositors/depositors.service');
 const information = require('./information/information.service');
 const events = require('./events/events.service');
+const transactions = require('./transactions/transactions.service');
 
 // eslint-disable-next-line no-unused-vars
 module.exports = app => {
@@ -17,4 +18,5 @@ module.exports = app => {
   app.configure(depositors);
   app.configure(information);
   app.configure(events);
+  app.configure(transactions);
 };

feathers-src/services/transactions/transactions.service.js

@@ -0,0 +1,10 @@
+// Initializes the `transactions` model and save it in app
+const { createModel } = require('../../models/transactions.model');
+
+module.exports = function serviceFactory() {
+  const app = this;
+  const Model = createModel(app);
+
+  // Save transaction model
+  app.set('transactionsModel', Model);
+};