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

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# Copyright (c) 2018-2021 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.
{.push raises: [Defect].}
import
chronos, presto/client,
".."/[helpers, forks], ".."/datatypes/[phase0, altair, merge],
"."/[rest_types, eth2_rest_serialization]
export chronos, client, rest_types, eth2_rest_serialization
proc getStatePlain*(state_id: StateIdent): RestPlainResponse {.
rest, endpoint: "/eth/v1/debug/beacon/states/{state_id}",
accept: "application/octet-stream,application-json;q=0.9",
meth: MethodGet.}
## https://ethereum.github.io/beacon-APIs/#/Beacon/getState
proc getState*(client: RestClientRef, state_id: StateIdent,
restAccept = ""): Future[phase0.BeaconState] {.async.} =
let resp =
if len(restAccept) > 0:
await client.getStatePlain(state_id, restAcceptType = restAccept)
else:
await client.getStatePlain(state_id)
let data =
case resp.status
of 200:
case resp.contentType
of "application/json":
let state =
block:
let res = decodeBytes(GetStateResponse, resp.data,
resp.contentType)
if res.isErr():
raise newException(RestError, $res.error())
res.get()
state.data
of "application/octet-stream":
let state =
block:
let res = decodeBytes(GetPhase0StateSszResponse, resp.data,
resp.contentType)
if res.isErr():
raise newException(RestError, $res.error())
res.get()
state
else:
raise newException(RestError, "Unsupported content-type")
of 400, 404, 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
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: "application/octet-stream,application-json;q=0.9",
meth: MethodGet.}
## https://ethereum.github.io/beacon-APIs/#/Debug/getStateV2
proc getStateV2*(client: RestClientRef, state_id: StateIdent,
forks: array[2, Fork],
restAccept = ""): Future[ForkedHashedBeaconState] {.async.} =
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:
case resp.contentType
of "application/json":
let state =
block:
let res = decodeBytes(GetStateV2Response, resp.data,
resp.contentType)
if res.isErr():
raise newException(RestError, $res.error())
res.get()
state
of "application/octet-stream":
let header =
block:
let res = decodeBytes(GetStateV2Header, resp.data, resp.contentType)
if res.isErr():
raise newException(RestError, $res.error())
res.get()
if header.slot.epoch() < forks[1].epoch:
let state = newClone(
block:
let res = newClone(decodeBytes(
GetPhase0StateSszResponse, resp.data, resp.contentType))
if res[].isErr():
raise newException(RestError, $res[].error())
res[].get())
ForkedHashedBeaconState.init(phase0.HashedBeaconState(
data: state[], root: hash_tree_root(state[])))
else:
let state = newClone(
block:
let res = newClone(decodeBytes(
GetAltairStateSszResponse, resp.data, resp.contentType))
if res[].isErr():
raise newException(RestError, $res[].error())
res[].get())
ForkedHashedBeaconState.init(altair.HashedBeaconState(
data: state[], root: hash_tree_root(state[])))
else:
raise newException(RestError, "Unsupported content-type")
of 400, 404, 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