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Block Sync

Channel

Block sync has one channel.

Name Number
BlockchainChannel 64

Message Types

There are multiple message types for Block Sync

BlockRequest

BlockRequest asks a peer for a block at the height specified.

Name Type Description Field Number
Height int64 Height of requested block 1

NoBlockResponse

NoBlockResponse notifies the peer requesting a block that the node does not contain it.

Name Type Description Field Number
Height int64 Height of requested block 1

BlockResponse

BlockResponse contains the block requested.

Name Type Description Field Number
Block Block Requested Block 1

StatusRequest

StatusRequest is an empty message that notifies the peer to respond with the highest and lowest blocks it has stored.

Empty message.

StatusResponse

StatusResponse responds to a peer with the highest and lowest block stored.

Name Type Description Field Number
Height int64 Current Height of a node 1
base int64 First known block, if pruning is enabled it will be higher than 1 1

Message

Message is a oneof protobuf type. The oneof consists of five messages.

Name Type Description Field Number
block_request BlockRequest Request a block from a peer 1
no_block_response NoBlockResponse Response saying it doe snot have the requested block 2
block_response BlockResponse Response with requested block 3
status_request StatusRequest Request the highest and lowest block numbers from a peer 4
status_response StatusResponse Response with the highest and lowest block numbers the store 5