nwaku/waku/v2/node/jsonrpc/jsonrpc_utils.nim

61 lines
2.7 KiB
Nim

import
std/options,
eth/keys,
../../../v1/node/rpc/hexstrings,
../../waku_types,
../../protocol/waku_store/waku_store_types,
../wakunode2, ../waku_payload,
./jsonrpc_types
export hexstrings
## Conversion tools
## Since the Waku v2 JSON-RPC API has its own defined types,
## we need to convert between these and the types for the Nim API
proc toPagingInfo*(pagingOptions: StorePagingOptions): PagingInfo =
PagingInfo(pageSize: pagingOptions.pageSize,
cursor: if pagingOptions.cursor.isSome: pagingOptions.cursor.get else: Index(),
direction: if pagingOptions.forward: PagingDirection.FORWARD else: PagingDirection.BACKWARD)
proc toPagingOptions*(pagingInfo: PagingInfo): StorePagingOptions =
StorePagingOptions(pageSize: pagingInfo.pageSize,
cursor: some(pagingInfo.cursor),
forward: if pagingInfo.direction == PagingDirection.FORWARD: true else: false)
proc toStoreResponse*(historyResponse: HistoryResponse): StoreResponse =
StoreResponse(messages: historyResponse.messages,
pagingOptions: if historyResponse.pagingInfo != PagingInfo(): some(historyResponse.pagingInfo.toPagingOptions()) else: none(StorePagingOptions))
proc toWakuMessage*(relayMessage: WakuRelayMessage, version: uint32): WakuMessage =
# @TODO global definition for default content topic
const defaultCT = 0
WakuMessage(payload: relayMessage.payload,
contentTopic: if relayMessage.contentTopic.isSome: relayMessage.contentTopic.get else: defaultCT,
version: version)
proc toWakuMessage*(relayMessage: WakuRelayMessage, version: uint32, rng: ref BrHmacDrbgContext, symkey: Option[SymKey], pubKey: Option[keys.PublicKey]): WakuMessage =
# @TODO global definition for default content topic
const defaultCT = 0
let payload = Payload(payload: relayMessage.payload,
dst: pubKey,
symkey: symkey)
WakuMessage(payload: payload.encode(version, rng[]).get(),
contentTopic: if relayMessage.contentTopic.isSome: relayMessage.contentTopic.get else: defaultCT,
version: version)
proc toWakuRelayMessage*(message: WakuMessage, symkey: Option[SymKey], privateKey: Option[keys.PrivateKey]): WakuRelayMessage =
# @TODO global definition for default content topic
let
keyInfo = if symkey.isSome(): KeyInfo(kind: Symmetric, symKey: symkey.get())
elif privateKey.isSome(): KeyInfo(kind: Asymmetric, privKey: privateKey.get())
else: KeyInfo(kind: None)
decoded = decodePayload(message, keyInfo)
WakuRelayMessage(payload: decoded.get().payload,
contentTopic: some(message.contentTopic))