diff options
Diffstat (limited to 'eth/protocol.go')
| -rw-r--r-- | eth/protocol.go | 38 |
1 files changed, 33 insertions, 5 deletions
diff --git a/eth/protocol.go b/eth/protocol.go index 57805d9bd..bf9e155c5 100644 --- a/eth/protocol.go +++ b/eth/protocol.go @@ -7,11 +7,15 @@ import ( "github.com/ethereum/go-ethereum/core/types" ) +// Supported versions of the eth protocol (first is primary). +var ProtocolVersions = []uint{61, 60} + +// Number of implemented message corresponding to different protocol versions. +var ProtocolLengths = []uint64{9, 8} + const ( - ProtocolVersion = 60 NetworkId = 0 - ProtocolLength = uint64(8) - ProtocolMaxMsgSize = 10 * 1024 * 1024 + ProtocolMaxMsgSize = 10 * 1024 * 1024 // Maximum cap on the size of a protocol message ) // eth protocol message codes @@ -24,6 +28,7 @@ const ( GetBlocksMsg BlocksMsg NewBlockMsg + GetBlockHashesFromNumberMsg ) type errCode int @@ -72,8 +77,31 @@ type chainManager interface { Status() (td *big.Int, currentBlock common.Hash, genesisBlock common.Hash) } -// message structs used for RLP serialization -type newBlockMsgData struct { +// statusData is the network packet for the status message. +type statusData struct { + ProtocolVersion uint32 + NetworkId uint32 + TD *big.Int + CurrentBlock common.Hash + GenesisBlock common.Hash +} + +// getBlockHashesData is the network packet for the hash based block retrieval +// message. +type getBlockHashesData struct { + Hash common.Hash + Amount uint64 +} + +// getBlockHashesFromNumberData is the network packet for the number based block +// retrieval message. +type getBlockHashesFromNumberData struct { + Number uint64 + Amount uint64 +} + +// newBlockData is the network packet for the block propagation message. +type newBlockData struct { Block *types.Block TD *big.Int } |