nimbus-eth2/beacon_chain/spec/eth2_apis/rest_debug_calls.nim

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# Copyright (c) 2018-2022 Status Research & Development GmbH
# Licensed and distributed under either of
# * MIT license (license terms in the root directory or at https://opensource.org/licenses/MIT).
# * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0).
# at your option. This file may not be copied, modified, or distributed except according to those terms.
2022-07-29 10:53:42 +00:00
when (NimMajor, NimMinor) < (1, 4):
{.push raises: [Defect].}
else:
{.push raises: [].}
import
chronos, presto/client,
".."/[helpers, forks], ".."/datatypes/[phase0, altair],
"."/[rest_types, eth2_rest_serialization]
export chronos, client, rest_types, eth2_rest_serialization
proc getDebugChainHeads*(): RestResponse[GetDebugChainHeadsResponse] {.
rest, endpoint: "/eth/v1/debug/beacon/heads",
meth: MethodGet.}
## https://ethereum.github.io/beacon-APIs/#/Beacon/getDebugChainHeads
proc getStateV2Plain*(state_id: StateIdent): RestPlainResponse {.
rest, endpoint: "/eth/v2/debug/beacon/states/{state_id}",
accept: preferSSZ,
meth: MethodGet.}
## https://ethereum.github.io/beacon-APIs/#/Debug/getStateV2
proc getStateV2*(client: RestClientRef, state_id: StateIdent,
cfg: RuntimeConfig, restAccept = ""
): Future[ref ForkedHashedBeaconState] {.async.} =
# nil is returned if the state is not found due to a 404 - `ref` is needed
# to manage stack usage
let resp =
if len(restAccept) > 0:
await client.getStateV2Plain(state_id, restAcceptType = restAccept)
else:
await client.getStateV2Plain(state_id)
let data =
case resp.status
of 200:
if resp.contentType.isNone() or
isWildCard(resp.contentType.get().mediaType):
raise newException(RestError, "Missing or incorrect Content-Type")
else:
let mediaType = resp.contentType.get().mediaType
if mediaType == ApplicationJsonMediaType:
let state =
block:
let res = newClone(decodeBytes(GetStateV2Response, resp.data,
resp.contentType))
if res[].isErr():
raise newException(RestError, $res[].error())
newClone(res[].get())
state
elif mediaType == OctetStreamMediaType:
try:
newClone(readSszForkedHashedBeaconState(cfg, resp.data))
except CatchableError as exc:
raise newException(RestError, exc.msg)
else:
raise newException(RestError, "Unsupported content-type")
of 404:
nil
of 400, 500:
let error =
block:
let res = decodeBytes(RestGenericError, resp.data, resp.contentType)
if res.isErr():
let msg = "Incorrect response error format (" & $resp.status &
") [" & $res.error() & "]"
raise newException(RestError, msg)
res.get()
let msg = "Error response (" & $resp.status & ") [" & error.message & "]"
raise newException(RestError, msg)
else:
let msg = "Unknown response status error (" & $resp.status & ")"
raise newException(RestError, msg)
return data