diff options
Diffstat (limited to 'eth/protocol.go')
| -rw-r--r-- | eth/protocol.go | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/eth/protocol.go b/eth/protocol.go index 49f096a3b..0d2b5128d 100644 --- a/eth/protocol.go +++ b/eth/protocol.go @@ -26,6 +26,15 @@ import ( "github.com/ethereum/go-ethereum/rlp" ) +// Mode represents the mode of operation of the eth client. +type Mode int + +const ( + ArchiveMode Mode = iota // Maintain the entire blockchain history + FullMode // Maintain only a recent view of the blockchain + LightMode // Don't maintain any history, rather fetch on demand +) + // Constants to match up protocol versions and messages const ( eth61 = 61 @@ -34,6 +43,14 @@ const ( eth64 = 64 ) +// minimumProtocolVersion is the minimum version of the protocol eth must run to +// support the desired mode of operation. +var minimumProtocolVersion = map[Mode]uint{ + ArchiveMode: eth61, + FullMode: eth63, + LightMode: eth64, +} + // Supported versions of the eth protocol (first is primary). var ProtocolVersions = []uint{eth64, eth63, eth62, eth61} |