lib/sibit/btc.rb in sibit-0.13.0 vs lib/sibit/btc.rb in sibit-0.13.1

@@ -50,10 +50,15 @@
 
     # Gets the balance of the address, in satoshi.
     def balance(address)
       uri = URI("https://chain.api.btc.com/v3/address/#{address}/unspent")
       json = Sibit::Json.new(http: @http, log: @log).get(uri)
-      txns = json['data']['list']
+      data = json['data']
+      if data.nil?
+        @log.info("The balance of #{address} is zero (not found)")
+        return 0
+      end
+      txns = data['list']
       balance = txns.map { |tx| tx['value'] }.inject(&:+) || 0
       @log.info("The balance of #{address} is #{balance}, total txns: #{txns.count}")
       balance
     end