Merge pull request #64 from Permissionless-Software-Foundation/ct-unstable

fix(electrumx): Automatically reconnecting when Electrumx disconnects

docker/mainnet/start-local-mainnet.sh

@@ -17,7 +17,11 @@ export BLOCKBOOK_URL=https://172.17.0.1:9131/
 # Allow node.js to make network calls to https using self-signed certificate.
 export NODE_TLS_REJECT_UNAUTHORIZED=0
 
-# Redis DB
+# Mainnet Fulcrum / ElectrumX
+export FULCRUM_URL=172.17.0.1
+export FULCRUM_PORT=50002
+
+# Redis DB - Used for rate limiting
 export REDIS_PORT=6379
 export REDIS_HOST=172.17.0.1
 

docker/testnet/start-local-testnet.sh

@@ -14,6 +14,10 @@ export BLOCKBOOK_URL=https://172.17.0.1:19131/
 # Allow node.js to make network calls to https using self-signed certificate.
 export NODE_TLS_REJECT_UNAUTHORIZED=0
 
+# Mainnet Fulcrum / ElectrumX
+export FULCRUM_URL=172.17.0.1
+export FULCRUM_PORT=50002
+
 # Redis DB
 export REDIS_PORT=6380
 export REDIS_HOST=172.17.0.1

src/routes/v3/electrumx.js

@@ -79,6 +79,21 @@ class Electrum {
       // Set the connection flag.
       _this.isReady = true
 
+      // Periodically check the connection. If it's not connected, attempt to
+      // reconnect.
+      setInterval(async function () {
+        const status = _this.electrumx.connection.status
+        // console.log(`Electrumx status: ${status}`)
+
+        // 1 = connected. If we're not connected, attemp to reconnect.
+        if (status !== 1) {
+          wlogger.info(`Electrumx not connectes. Status: ${status}`)
+          wlogger.info(`Attempting to reconnect...`)
+          await _this.electrumx.connect()
+          wlogger.info(`...reconnected.`)
+        }
+      }, 30000)
+
       console.log('...Successfully connected to ElectrumX server.')
 
       // console.log(`_this.isReady: ${_this.isReady}`)

src/routes/v3/price.js

@@ -133,7 +133,7 @@ class Price {
       // Request options
       const opt = {
         method: 'get',
-        baseURL: this.coinexPriceUrl,
+        baseURL: _this.coinexPriceUrl,
         timeout: 15000
       }