nwaku/waku/waku_archive/common.nim

54 lines
1.4 KiB
Nim

{.push raises: [].}
import std/options, results, stew/byteutils, stew/arrayops, nimcrypto/sha2
import ../waku_core, ../common/paging
## Public API types
type
ArchiveCursor* = WakuMessageHash
ArchiveQuery* = object
includeData*: bool
pubsubTopic*: Option[PubsubTopic]
contentTopics*: seq[ContentTopic]
cursor*: Option[ArchiveCursor]
startTime*: Option[Timestamp]
endTime*: Option[Timestamp]
hashes*: seq[WakuMessageHash]
pageSize*: uint
direction*: PagingDirection
ArchiveResponse* = object
hashes*: seq[WakuMessageHash]
messages*: seq[WakuMessage]
topics*: seq[PubsubTopic]
cursor*: Option[ArchiveCursor]
ArchiveErrorKind* {.pure.} = enum
UNKNOWN = uint32(0)
DRIVER_ERROR = uint32(1)
INVALID_QUERY = uint32(2)
ArchiveError* = object
case kind*: ArchiveErrorKind
of DRIVER_ERROR, INVALID_QUERY:
# TODO: Add an enum to be able to distinguish between error causes
cause*: string
else:
discard
ArchiveResult* = Result[ArchiveResponse, ArchiveError]
proc `$`*(err: ArchiveError): string =
case err.kind
of ArchiveErrorKind.DRIVER_ERROR:
"DIRVER_ERROR: " & err.cause
of ArchiveErrorKind.INVALID_QUERY:
"INVALID_QUERY: " & err.cause
of ArchiveErrorKind.UNKNOWN:
"UNKNOWN"
proc invalidQuery*(T: type ArchiveError, cause: string): T =
ArchiveError(kind: ArchiveErrorKind.INVALID_QUERY, cause: cause)