Fix missing erms and add some comments

.github/workflows/deploy-functions.yml

@@ -42,6 +42,8 @@ jobs:
           service_account_key: "${{ secrets.GCP_SERVICE_ACCOUT_JSON_PRODUCTION }}"
           export_default_credentials: true
 
+      # Note to self: needs IAM permissions
+      # see https://firebase.google.com/docs/firestore/manage-data/export-import
       - name: Backup firestore
         run: |
           gcloud config set project ${{ secrets.FIREBASE_PROJECT_ID_PRODUCTION }}

functions/index.js

@@ -2,5 +2,8 @@ const functions = require( 'firebase-functions' )
 const testnetAPI = require( './modules/testnet' )
 const mainnetAPI = require( './modules/mainnet' )
 
+// Testnet endpoint
 exports.testnetMetadata = functions.https.onRequest( testnetAPI )
+
+// Mainnet endpoint
 exports.mainnetMetadata = functions.https.onRequest( mainnetAPI )

functions/modules/contract.js

@@ -8,6 +8,8 @@ const contractAddress = {
 	mainnet: '',
 	rinkeby: '0x2829ba9d76e675b8867E1707A9aB49B280D916c6'
 }
+
+// ABI with only the supply definitions
 const ABI = [
 	{
       "inputs": [],
@@ -25,6 +27,7 @@ const ABI = [
     }
 ]
 
+// Total current supply, in accordance with ERC721 spec
 async function getTotalSupply( network='mainnet' ) {
 
 	// Initialise contract connection

functions/modules/express.js

@@ -1,20 +1,14 @@
 const express = require( 'express' )
 const cors = require( 'cors' )
 
-
-
 // CORS enabled express generator
 module.exports = f => {
 
+	// Create express server
 	const app = express()
+
+	// Enable CORS
 	app.use( cors( { origin: true } ) )
-	// Logger for debugging
-	// app.use( ( req, res, next ) => {
-
-	// 	console.log( 'base:', req.baseUrl, 'params:', req.params, 'body:', req.body, 'originalurl:', req.originalUrl, 'path:', req.path )
-
-	// 	next()
-	// } )
 
 	return app
 

functions/modules/firebase.js

@@ -1,5 +1,5 @@
 // Dependencies
-const admin = require('firebase-admin')
+const admin = require( 'firebase-admin' )
 
 // Admin api
 const app = admin.initializeApp()

functions/modules/rocketeer.js

@@ -3,7 +3,7 @@ const { db } = require( './firebase' )
 const { getTotalSupply } = require( './contract' )
 
 // ///////////////////////////////
-// Data sources
+// Attribute sources
 // ///////////////////////////////
 const globalAttributes = [
     { trait_type: "Age", display_type: "number", values: [