blockchain_go/cli_printchain.go

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