wallet_bitcoin -> this file contain all the method that exexuted in server.js
server.js -> contain apis of method that i created in wallet_bitcoin as well as testing of all functions
controller/allapis.js -> contain all the methods of apis
Here-> Balance ans transaction is showing NAN(Not-A-Number) because the there are currently 0 balance and transaction in wallet (MY ELECTRUM WALLET) and code gives the response in satoshis (1 btc=100,000,000) on convertinf that into bitcoin we get NAN;