specification/protocol/p2p/headers.md

{ "title":"HEADERS", "related":["/protocol","/protocol/p2p/getheaders"] }

Provides a contiguous set of block headers

HEADERS Message Format

compact int	...	compact int
vector size N containing:	block header	number tx in block

vector size N containing: This message contains a vector of block headers. No more than 2000 block headers may be sent at one time.

block header: A block header. Block headers in this array MUST be sequential.

number tx in block: DEPRECATED This field should be ignored and servers may send 0 regardless of the actual number of transactions in the block.