Block Sync
Channel
Block sync has one channel.
| Name | Number |
|---|---|
| BlocksyncChannel | 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. It also contains an extended commit iff vote extensions are enabled at the block’s height.
| Name | Type | Description | Field Number |
|---|---|---|---|
| Block | Block | Requested Block | 1 |
| ExtCommit | ExtendedCommit | Sender’s LastCommit information | 2 |
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 heights of any block it has in its blockstore.
| 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 | 2 |
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 + (optionally) vote extensions | 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 |
