diff options
Diffstat (limited to 'whisper/whisperv6/doc.go')
| -rw-r--r-- | whisper/whisperv6/doc.go | 48 |
1 files changed, 28 insertions, 20 deletions
diff --git a/whisper/whisperv6/doc.go b/whisper/whisperv6/doc.go index 64925ba48..d5d7fed60 100644 --- a/whisper/whisperv6/doc.go +++ b/whisper/whisperv6/doc.go @@ -27,6 +27,9 @@ Whisper is a pure identity-based messaging system. Whisper provides a low-level or prejudiced by the low-level hardware attributes and characteristics, particularly the notion of singular endpoints. */ + +// Contains the Whisper protocol constant definitions + package whisperv6 import ( @@ -34,41 +37,46 @@ import ( "time" ) +// Whisper protocol parameters const ( - EnvelopeVersion = uint64(0) - ProtocolVersion = uint64(6) - ProtocolVersionStr = "6.0" - ProtocolName = "shh" - - statusCode = 0 // used by whisper protocol - messagesCode = 1 // normal whisper message - p2pCode = 2 // peer-to-peer message (to be consumed by the peer, but not forwarded any further) - p2pRequestCode = 3 // peer-to-peer message, used by Dapp protocol + ProtocolVersion = uint64(6) // Protocol version number + ProtocolVersionStr = "6.0" // The same, as a string + ProtocolName = "shh" // Nickname of the protocol in geth + + // whisper protocol message codes, according to EIP-627 + statusCode = 0 // used by whisper protocol + messagesCode = 1 // normal whisper message + powRequirementCode = 2 // PoW requirement + bloomFilterExCode = 3 // bloom filter exchange + p2pRequestCode = 126 // peer-to-peer message, used by Dapp protocol + p2pMessageCode = 127 // peer-to-peer message (to be consumed by the peer, but not forwarded any further) NumberOfMessageCodes = 128 - paddingMask = byte(3) + SizeMask = byte(3) // mask used to extract the size of payload size field from the flags signatureFlag = byte(4) - TopicLength = 4 - signatureLength = 65 - aesKeyLength = 32 - AESNonceLength = 12 - keyIdSize = 32 + TopicLength = 4 // in bytes + signatureLength = 65 // in bytes + aesKeyLength = 32 // in bytes + aesNonceLength = 12 // in bytes; for more info please see cipher.gcmStandardNonceSize & aesgcm.NonceSize() + keyIDSize = 32 // in bytes + bloomFilterSize = 64 // in bytes + flagsLength = 1 + + EnvelopeHeaderLength = 20 MaxMessageSize = uint32(10 * 1024 * 1024) // maximum accepted size of a message. DefaultMaxMessageSize = uint32(1024 * 1024) DefaultMinimumPoW = 0.2 - padSizeLimit = 256 // just an arbitrary number, could be changed without breaking the protocol (must not exceed 2^24) + padSizeLimit = 256 // just an arbitrary number, could be changed without breaking the protocol messageQueueLimit = 1024 expirationCycle = time.Second transmissionCycle = 300 * time.Millisecond - DefaultTTL = 50 // seconds - SynchAllowance = 10 // seconds - - EnvelopeHeaderLength = 20 + DefaultTTL = 50 // seconds + DefaultSyncAllowance = 10 // seconds ) type unknownVersionError uint64 |