fix(blockbook-path): Added blockbook-path util lib

src/routes/v3/blockbook.js

@@ -10,6 +10,12 @@ const axios = require("axios")
 const routeUtils = require("./route-utils")
 const wlogger = require("../../util/winston-logging")
 
+// Library for easily switching the API paths to use different instances of
+// Blockbook.
+const BlockbookPath = require("../../util/blockbook-path")
+const BLOCKBOOKPATH = new BlockbookPath()
+// BLOCKBOOKPATH.toOpenBazaar()
+
 const router = express.Router()
 
 // Used for processing error messages before sending them to the user.
@@ -44,7 +50,8 @@ async function balanceFromBlockbook(thisAddress) {
     // Convert the address to a cashaddr without a prefix.
     const addr = bchjs.Address.toCashAddress(thisAddress)
 
-    const path = `${process.env.BLOCKBOOK_URL}api/v2/address/${addr}`
+    const path = `${BLOCKBOOKPATH.addrPath}${addr}`
+    // console.log(`path: ${path}`)
 
     // Query the Blockbook Node API.
     const axiosResponse = await axios.get(path)
@@ -211,7 +218,8 @@ async function utxosFromBlockbook(thisAddress) {
     // Convert the address to a cashaddr without a prefix.
     const addr = bchjs.Address.toCashAddress(thisAddress)
 
-    const path = `${process.env.BLOCKBOOK_URL}api/v2/utxo/${addr}`
+    const path = `${BLOCKBOOKPATH.utxoPath}${addr}`
+    // console.log(`path: ${path}`)
 
     // Query the Blockbook API.
     const axiosResponse = await axios.get(path)
@@ -375,7 +383,8 @@ async function transactionsFromBlockbook(txid) {
   try {
     //console.log(`BLOCKBOOK_URL: ${BLOCKBOOK_URL}`)
 
-    const path = `${process.env.BLOCKBOOK_URL}api/v2/tx/${txid}`
+    const path = `${BLOCKBOOKPATH.txPath}${txid}`
+    // console.log(`path: ${path}`)
 
     // Query the Blockbook Node API.
     const axiosResponse = await axios.get(path)

src/util/blockbook-path.js

@@ -0,0 +1,40 @@
+/*
+  A utility library that allows bch-api to easily switch from a local or default
+  installation of Blockbook to the public Blockbook cloud service offered by
+  OpenBazaar. This will be expanded to other Blockbook indexer services.
+
+  CT 9/29/19 - Switching to OpenBazaar does not work because the integration tests
+  use testnet and I don't think OpenBazaar has a testnet version of their BCH
+  Blockbook.
+*/
+
+"use strict"
+
+class BlockbookPath {
+  constructor() {
+    // defaults
+    this.addrPath = `${process.env.BLOCKBOOK_URL}api/v2/address/`
+    this.utxoPath = `${process.env.BLOCKBOOK_URL}api/v2/utxo/`
+    this.txPath = `${process.env.BLOCKBOOK_URL}api/v2/tx/`
+  }
+
+  toOpenBazaar() {
+    if (process.env.NETWORK === "testnet") {
+      this.addrPath = `https://tbch.blockbook.api.openbazaar.org/api/address/`
+      this.utxoPath = `https://tbch.blockbook.api.openbazaar.org/api/utxo/`
+      this.txPath = `https://tbch.blockbook.api.openbazaar.org/api/tx/`
+    } else {
+      this.addrPath = `https://bch.blockbook.api.openbazaar.org/api/address/`
+      this.utxoPath = `https://bch.blockbook.api.openbazaar.org/api/utxo/`
+      this.txPath = `https://bch.blockbook.api.openbazaar.org/api/tx/`
+    }
+  }
+
+  toDefault() {
+    this.addrPath = `${process.env.BLOCKBOOK_URL}api/v2/address/`
+    this.utxoPath = `${process.env.BLOCKBOOK_URL}api/v2/utxo/`
+    this.txPath = `${process.env.BLOCKBOOK_URL}api/v2/tx/`
+  }
+}
+
+module.exports = BlockbookPath