74 lines
3.0 KiB
Nim
74 lines
3.0 KiB
Nim
# Copyright (c) 2018-2023 Status Research & Development GmbH
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# Licensed and distributed under either of
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# * MIT license (license terms in the root directory or at https://opensource.org/licenses/MIT).
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# * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0).
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# at your option. This file may not be copied, modified, or distributed except according to those terms.
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{.push raises: [].}
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import
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chronos, presto/client,
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".."/[helpers, forks], ".."/datatypes/[phase0, altair],
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"."/[rest_types, eth2_rest_serialization]
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export chronos, client, rest_types, eth2_rest_serialization
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proc getDebugChainHeads*(): RestResponse[GetDebugChainHeadsResponse] {.
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rest, endpoint: "/eth/v1/debug/beacon/heads",
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meth: MethodGet.}
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## https://ethereum.github.io/beacon-APIs/#/Beacon/getDebugChainHeads
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proc getStateV2Plain*(state_id: StateIdent): RestPlainResponse {.
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rest, endpoint: "/eth/v2/debug/beacon/states/{state_id}",
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accept: preferSSZ,
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meth: MethodGet.}
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## https://ethereum.github.io/beacon-APIs/#/Debug/getStateV2
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proc getStateV2*(client: RestClientRef, state_id: StateIdent,
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cfg: RuntimeConfig, restAccept = ""
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): Future[ref ForkedHashedBeaconState] {.async.} =
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# nil is returned if the state is not found due to a 404 - `ref` is needed
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# to manage stack usage
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let resp =
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if len(restAccept) > 0:
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await client.getStateV2Plain(state_id, restAcceptType = restAccept)
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else:
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await client.getStateV2Plain(state_id)
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return
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case resp.status
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of 200:
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if resp.contentType.isNone() or
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isWildCard(resp.contentType.get().mediaType):
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raise newException(RestError, "Missing or incorrect Content-Type")
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else:
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let mediaType = resp.contentType.get().mediaType
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if mediaType == ApplicationJsonMediaType:
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let state =
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block:
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let res = newClone(decodeBytes(GetStateV2Response, resp.data,
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resp.contentType))
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if res[].isErr():
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raise newException(RestError, $res[].error())
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newClone(res[].get())
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state
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elif mediaType == OctetStreamMediaType:
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try:
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newClone(readSszForkedHashedBeaconState(cfg, resp.data))
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except CatchableError as exc:
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raise newException(RestError, exc.msg)
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else:
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raise newException(RestError, "Unsupported content-type")
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of 404:
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nil
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of 400, 500:
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let error = decodeBytes(RestErrorMessage, resp.data,
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resp.contentType).valueOr:
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let msg = "Incorrect response error format (" & $resp.status &
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") [" & $error & "]"
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raise (ref RestResponseError)(msg: msg, status: resp.status)
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let msg = "Error response (" & $resp.status & ") [" & error.message & "]"
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raise (ref RestResponseError)(
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msg: msg, status: error.code, message: error.message)
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else:
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raiseRestResponseError(resp)
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