package main import ( "fmt" "strconv" ) func (cli *CLI) printChain(nodeID string) { bc := NewBlockchain(nodeID) defer bc.db.Close() bci := bc.Iterator() for { block := bci.Next() fmt.Printf("============ Block %x ============\n", block.Hash) fmt.Printf("Prev. block: %x\n", block.PrevBlockHash) pow := NewProofOfWork(block) fmt.Printf("PoW: %s\n\n", strconv.FormatBool(pow.Validate())) for _, tx := range block.Transactions { fmt.Println(tx) } fmt.Printf("\n\n") if len(block.PrevBlockHash) == 0 { break } } }