fix(bcash): Moved env var check so it does not prevent bch-api from starting

src/routes/v5/bcash/slp.js

@@ -33,14 +33,6 @@ class BcashSlp {
     this.bchjs = bchjs
     // _this.bitcore = bitcore
 
-    this.bcashServer = process.env.BCASH_SERVER
-    if (!this.bcashServer) {
-      // console.warn('FULCRUM_API env var not set. Can not connect to Fulcrum indexer.')
-      throw new Error(
-        'BCASH_SERVER env var not set. Can not connect to bcash full node.'
-      )
-    }
-
     this.router = router
     this.router.get('/', this.root)
     this.router.get('/utxos/:address', this.getUtxos)
@@ -63,6 +55,14 @@ class BcashSlp {
     try {
       const address = req.params.address
 
+      this.bcashServer = process.env.BCASH_SERVER
+      if (!this.bcashServer) {
+        // console.warn('FULCRUM_API env var not set. Can not connect to Fulcrum indexer.')
+        throw new Error(
+          'BCASH_SERVER env var not set. Can not connect to bcash full node.'
+        )
+      }
+
       // Reject if address is an array.
       if (Array.isArray(address)) {
         res.status(400)
@@ -144,6 +144,14 @@ class BcashSlp {
         throw new Error('tokenId must be string')
       }
 
+      this.bcashServer = process.env.BCASH_SERVER
+      if (!this.bcashServer) {
+        // console.warn('FULCRUM_API env var not set. Can not connect to Fulcrum indexer.')
+        throw new Error(
+          'BCASH_SERVER env var not set. Can not connect to bcash full node.'
+        )
+      }
+
       const result = await _this.axios.get(
         `${_this.bcashServer}token/${tokenId}`
       )