blockchain_go/block.go

32 lines
615 B
Go

package main
import (
"time"
)
// Block keeps block headers
type Block struct {
Timestamp int64
Data []byte
PrevBlockHash []byte
Hash []byte
Nonce int
}
// NewBlock creates and returns Block
func NewBlock(data string, prevBlockHash []byte) *Block {
block := &Block{time.Now().Unix(), []byte(data), prevBlockHash, []byte{}, 0}
pow := NewProofOfWork(block)
nonce, hash := pow.Run()
block.Hash = hash[:]
block.Nonce = nonce
return block
}
// NewGenesisBlock creates and returns genesis Block
func NewGenesisBlock() *Block {
return NewBlock("Genesis Block", []byte{})
}