package wire

import (
	"time"

	"next.orly.dev/pkg/crypto/ec/chainhash"
)

// BlockHeader defines information about a block and is used in the bitcoin
// block (MsgBlock) and headers (MsgHeaders) messages.
type BlockHeader struct {
	// Version of the block.  This is not the same as the protocol version.
	Version int32
	// Hash of the previous block header in the block chain.
	PrevBlock chainhash.Hash
	// Merkle tree reference to hash of all transactions for the block.
	MerkleRoot chainhash.Hash
	// Time the block was created.  This is, unfortunately, encoded as a
	// uint32 on the wire and therefore is limited to 2106.
	Timestamp time.Time
	// Difficulty target for the block.
	Bits uint32
	// Nonce used to generate the block.
	Nonce uint32
}