feat: events confirmation

config/default.json5

@@ -0,0 +1,43 @@
+{
+  host: null,
+  port: null,
+  log: {
+    level: "info",
+    filter: null,
+    path: null
+  },
+
+  // Settings for blockchain related function
+  blockchain: {
+
+    // Address to where web3js should connect to. Should be WS endpoint.
+    provider: null,
+
+    // Address of deployed pinning contract
+    pinningContractAddress: null,
+
+    // Starting block that upon first start of the service, will the blockchain be crawled for the past events.
+    startingBlock: "genesis",
+
+    // Specify behavior of EventsEmitter, that retrieves events from blockchain and pass them onwards for further processing.
+    eventsEmitter: {
+      // If to use polling strategy, if false then listening is used.
+      polling: true,
+
+      // Interval in milliseconds, how often is blockchain checked.
+      pollingInterval: null,
+
+      // Number of blocks that will be waited before passing an event for further processing.
+      confirmations: 0
+    },
+
+    // Specify behavior of NewBlockEmitter, that detects new blocks on blockchain.
+    newBlockEmitter: {
+      // If to use polling strategy, if false then listening is used.
+      polling: false,
+
+      // Interval in milliseconds, how often is blockchain checked.
+      pollingInterval: null
+    }
+  },
+}

package.json

@@ -52,6 +52,7 @@
     "bignumber.js": "^9.0.0",
     "colors": "^1.4.0",
     "compression": "^1.7.4",
+    "conf": "^6.2.0",
     "config": "^3.2.5",
     "cors": "^2.8.5",
     "feathers-hooks-common": "^5.0.2",
@@ -63,6 +64,7 @@
     "sequelize": "^5.21.3",
     "sequelize-typescript": "^1.1.0",
     "serve-favicon": "^2.5.0",
+    "web3-core-subscriptions": "^1.2.6",
     "web3-eth": "^1.2.6",
     "web3-eth-contract": "^1.2.6",
     "web3-utils": "^1.2.6",

src/app.ts

@@ -1,5 +1,3 @@
-import path from 'path'
-import favicon from 'serve-favicon'
 import compress from 'compression'
 import helmet from 'helmet'
 import cors from 'cors'
@@ -28,9 +26,6 @@ app.use(cors())
 app.use(compress())
 app.use(express.json())
 app.use(express.urlencoded({ extended: true }))
-app.use(favicon(path.join(app.get('public'), 'favicon.ico')))
-// Host the public folder
-app.use('/', express.static(app.get('public')))
 
 // Set up Plugins and providers
 app.configure(express.rest())