Remove the 'address' argument from NewBlockchain, since it's not used anymore

blockchain.go

@@ -68,7 +68,7 @@ func CreateBlockchain(address string) *Blockchain {
 }
 
 // NewBlockchain creates a new Blockchain with genesis Block
-func NewBlockchain(address string) *Blockchain {
+func NewBlockchain() *Blockchain {
 	if dbExists() == false {
 		fmt.Println("No existing blockchain found. Create one first.")
 		os.Exit(1)

cli_getbalance.go

@@ -9,7 +9,7 @@ func (cli *CLI) getBalance(address string) {
 	if !ValidateAddress(address) {
 		log.Panic("ERROR: Address is not valid")
 	}
-	bc := NewBlockchain(address)
+	bc := NewBlockchain()
 	defer bc.db.Close()
 
 	balance := 0

cli_printchain.go

@@ -6,7 +6,7 @@ import (
 )
 
 func (cli *CLI) printChain() {
-	bc := NewBlockchain("")
+	bc := NewBlockchain()
 	defer bc.db.Close()
 
 	bci := bc.Iterator()

cli_reindexutxo.go

@@ -3,7 +3,7 @@ package main
 import "fmt"
 
 func (cli *CLI) reindexUTXO() {
-	bc := NewBlockchain("")
+	bc := NewBlockchain()
 	UTXOSet := UTXOSet{bc}
 	UTXOSet.Reindex()
 

cli_send.go

@@ -13,7 +13,7 @@ func (cli *CLI) send(from, to string, amount int) {
 		log.Panic("ERROR: Recipient address is not valid")
 	}
 
-	bc := NewBlockchain(from)
+	bc := NewBlockchain()
 	defer bc.db.Close()
 
 	tx := NewUTXOTransaction(from, to, amount, bc)