use supervisor instead of pm2 for stability

lib/blockchain/zcash.js

@@ -2,6 +2,7 @@ const fs = require('fs')
 const path = require('path')
 
 const coinUtils = require('../coin-utils')
+const options = require('../options')
 
 const common = require('./common')
 
@@ -21,7 +22,9 @@ function setup (dataDir) {
   logger.info('Finished fetching proofs.')
   const config = buildConfig()
   fs.writeFileSync(path.resolve(dataDir, 'zcash.conf'), config)
-  setupPm2(dataDir)
+  const blockchainDir = options.blockchainDir
+  const cmd = `/usr/local/bin/${coinRec.daemon} -datadir=${blockchainDir}`
+  common.writeSupervisorConfig(coinRec, cmd)
 }
 
 function buildConfig () {
@@ -31,7 +34,3 @@ rpcuser=lamassuserver
 rpcpassword=${common.randomPass()}
 dbcache=500`
 }
-
-function setupPm2 (dataDir) {
-  es(`pm2 start /usr/local/bin/zcashd -- -datadir=${dataDir}`)
-}