92 lines
3.9 KiB
Nim
92 lines
3.9 KiB
Nim
# Nimbus
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# Copyright (c) 2021-2024 Status Research & Development GmbH
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# Licensed under either of
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# * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE))
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# * MIT license ([LICENSE-MIT](LICENSE-MIT))
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# at your option.
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# This file may not be copied, modified, or distributed except according to
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# those terms.
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import
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std/[typetraits, sequtils, sets],
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json_rpc/rpcserver,
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web3/[conversions, execution_types],
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../beacon/api_handler,
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../beacon/beacon_engine,
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../beacon/web3_eth_conv,
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../beacon/api_handler/api_utils
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{.push raises: [].}
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const supportedMethods: HashSet[string] =
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toHashSet([
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"engine_newPayloadV1",
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"engine_newPayloadV2",
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"engine_newPayloadV3",
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"engine_getPayloadV1",
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"engine_getPayloadV2",
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"engine_getPayloadV3",
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"engine_exchangeTransitionConfigurationV1",
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"engine_forkchoiceUpdatedV1",
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"engine_forkchoiceUpdatedV2",
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"engine_forkchoiceUpdatedV3",
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"engine_getPayloadBodiesByHashV1",
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"engine_getPayloadBodiesByRangeV1",
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])
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# I'm trying to keep the handlers below very thin, and move the
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# bodies up to the various procs above. Once we have multiple
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# versions, they'll need to be able to share code.
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proc setupEngineAPI*(engine: BeaconEngineRef, server: RpcServer) =
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server.rpc("engine_exchangeCapabilities") do(methods: seq[string]) -> seq[string]:
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return methods.filterIt(supportedMethods.contains(it))
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server.rpc("engine_newPayloadV1") do(payload: ExecutionPayloadV1) -> PayloadStatusV1:
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return engine.newPayload(Version.V1, payload.executionPayload)
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server.rpc("engine_newPayloadV2") do(payload: ExecutionPayload) -> PayloadStatusV1:
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return engine.newPayload(Version.V2, payload)
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server.rpc("engine_newPayloadV3") do(payload: ExecutionPayload,
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expectedBlobVersionedHashes: Option[seq[Web3Hash]],
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parentBeaconBlockRoot: Option[Web3Hash]) -> PayloadStatusV1:
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if expectedBlobVersionedHashes.isNone:
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raise invalidParams("newPayloadV3 expect blobVersionedHashes but got none")
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if not validateVersionedHashed(payload, expectedBlobVersionedHashes.get):
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return invalidStatus()
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return engine.newPayload(Version.V3, payload, parentBeaconBlockRoot)
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server.rpc("engine_getPayloadV1") do(payloadId: PayloadID) -> ExecutionPayloadV1:
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return engine.getPayload(Version.V1, payloadId).executionPayload.V1
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server.rpc("engine_getPayloadV2") do(payloadId: PayloadID) -> GetPayloadV2Response:
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return engine.getPayload(Version.V2, payloadId)
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server.rpc("engine_getPayloadV3") do(payloadId: PayloadID) -> GetPayloadV3Response:
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return engine.getPayloadV3(payloadId)
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server.rpc("engine_exchangeTransitionConfigurationV1") do(
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conf: TransitionConfigurationV1) -> TransitionConfigurationV1:
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return engine.exchangeConf(conf)
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server.rpc("engine_forkchoiceUpdatedV1") do(update: ForkchoiceStateV1,
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attrs: Option[PayloadAttributesV1]) -> ForkchoiceUpdatedResponse:
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return engine.forkchoiceUpdated(Version.V1, update, attrs.payloadAttributes)
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server.rpc("engine_forkchoiceUpdatedV2") do(update: ForkchoiceStateV1,
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attrs: Option[PayloadAttributes]) -> ForkchoiceUpdatedResponse:
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return engine.forkchoiceUpdated(Version.V2, update, attrs)
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server.rpc("engine_forkchoiceUpdatedV3") do(update: ForkchoiceStateV1,
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attrs: Option[PayloadAttributes]) -> ForkchoiceUpdatedResponse:
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return engine.forkchoiceUpdated(Version.V3, update, attrs)
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server.rpc("engine_getPayloadBodiesByHashV1") do(hashes: seq[Web3Hash]) ->
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seq[Option[ExecutionPayloadBodyV1]]:
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return engine.getPayloadBodiesByHash(hashes)
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server.rpc("engine_getPayloadBodiesByRangeV1") do(
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start: Quantity, count: Quantity) -> seq[Option[ExecutionPayloadBodyV1]]:
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return engine.getPayloadBodiesByRange(start.uint64, count.uint64)
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