74 lines
2.6 KiB
Nim
74 lines
2.6 KiB
Nim
|
## Fake execution engine API implementation useful for testing beacon node without a running execution node
|
||
|
|
|
||
|
|
# Nimbus
|
||
|
|
# Copyright (c) 2018 Status Research & Development GmbH
|
||
|
|
# Licensed under either of
|
||
|
|
# * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE))
|
||
|
|
# * MIT license ([LICENSE-MIT](LICENSE-MIT))
|
||
|
|
# at your option.
|
||
|
|
# This file may not be copied, modified, or distributed except according to
|
||
|
|
# those terms.
|
||
|
|
|
||
|
|
import
|
||
|
|
std/typetraits,
|
||
|
|
json_rpc/[rpcserver, errors],
|
||
|
|
web3/[conversions, engine_api_types],
|
||
|
|
chronicles
|
||
|
|
|
||
|
|
proc setupEngineAPI*(server: RpcServer) =
|
||
|
|
# https://github.com/ethereum/execution-apis/blob/main/src/engine/specification.md#engine_newpayloadv1
|
||
|
|
# cannot use `params` as param name. see https:#github.com/status-im/nim-json-rpc/issues/128
|
||
|
|
server.rpc("engine_newPayloadV1") do(payload: ExecutionPayloadV1) -> PayloadStatusV1:
|
||
|
|
info "engine_newPayloadV1",
|
||
|
|
number = $(distinctBase payload.blockNumber), hash = payload.blockHash
|
||
|
|
|
||
|
|
return PayloadStatusV1(
|
||
|
|
status: PayloadExecutionStatus.syncing,
|
||
|
|
)
|
||
|
|
|
||
|
|
# https://github.com/ethereum/execution-apis/blob/main/src/engine/specification.md#engine_getpayloadv1
|
||
|
|
server.rpc("engine_getPayloadV1") do(payloadId: PayloadID) -> ExecutionPayloadV1:
|
||
|
|
info "engine_getPayloadV1",
|
||
|
|
id = payloadId.toHex
|
||
|
|
|
||
|
|
raise (ref InvalidRequest)(
|
||
|
|
code: engineApiUnknownPayload,
|
||
|
|
msg: "Unkown payload"
|
||
|
|
)
|
||
|
|
|
||
|
|
# https://github.com/ethereum/execution-apis/blob/main/src/engine/specification.md#engine_exchangetransitionconfigurationv1
|
||
|
|
server.rpc("engine_exchangeTransitionConfigurationV1") do(conf: TransitionConfigurationV1) -> TransitionConfigurationV1:
|
||
|
|
info "engine_exchangeTransitionConfigurationV1",
|
||
|
|
ttd = conf.terminalTotalDifficulty,
|
||
|
|
number = uint64(conf.terminalBlockNumber),
|
||
|
|
blockHash = conf.terminalBlockHash
|
||
|
|
|
||
|
|
return conf
|
||
|
|
|
||
|
|
# https://github.com/ethereum/execution-apis/blob/main/src/engine/specification.md#engine_forkchoiceupdatedv1
|
||
|
|
server.rpc("engine_forkchoiceUpdatedV1") do(
|
||
|
|
update: ForkchoiceStateV1,
|
||
|
|
payloadAttributes: Option[PayloadAttributesV1]) -> ForkchoiceUpdatedResponse:
|
||
|
|
info "engine_forkchoiceUpdatedV1",
|
||
|
|
update,
|
||
|
|
payloadAttributes
|
||
|
|
|
||
|
|
return ForkchoiceUpdatedResponse(
|
||
|
|
payloadStatus: PayloadStatusV1(
|
||
|
|
status: PayloadExecutionStatus.syncing))
|
||
|
|
|
||
|
|
when isMainModule:
|
||
|
|
let server = newRpcHttpServer(
|
||
|
|
[initTAddress("127.0.0.1", 8551)],
|
||
|
|
# authHooks = @[httpJwtAuthHook, httpCorsHook]
|
||
|
|
)
|
||
|
|
|
||
|
|
server.setupEngineAPI()
|
||
|
|
server.start()
|
||
|
|
|
||
|
|
when compiles(waitFor waitSignal(SIGINT)):
|
||
|
|
waitFor waitSignal(SIGINT)
|
||
|
|
waitFor server.stop()
|
||
|
|
else:
|
||
|
|
runForever()
|