nwaku/waku/waku_core/message/message.nim

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1.0 KiB
Nim

## Waku Message module.
##
## See https://github.com/vacp2p/specs/blob/master/specs/waku/v2/waku-message.md
## for spec.
when (NimMajor, NimMinor) < (1, 4):
{.push raises: [Defect].}
else:
{.push raises: [].}
import ../topics, ../time
const MaxMetaAttrLength* = 64 # 64 bytes
type WakuMessage* = object # Data payload transmitted.
payload*: seq[byte]
# String identifier that can be used for content-based filtering.
contentTopic*: ContentTopic
# Application specific metadata.
meta*: seq[byte]
# Number to discriminate different types of payload encryption.
# Compatibility with Whisper/WakuV1.
version*: uint32
# Sender generated timestamp.
timestamp*: Timestamp
# The ephemeral attribute indicates signifies the transient nature of the
# message (if the message should be stored).
ephemeral*: bool
# Part of RFC 17: https://rfc.vac.dev/spec/17/
# The proof attribute indicates that the message is not spam. This
# attribute will be used in the rln-relay protocol.
proof*: seq[byte]