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fix SSZ response for `produceBlindedBlock` (#4943) 

* fix SSZ response for `produceBlindedBlock`

In `produceBlindedBlock`, we sent the `ForkedBlindedBeaconBlock` when
requested to reply in SSZ format. However, expected result is just the
inner `ForkyBlindedBeaconBlock` together with `eth-consensus-version`.

Note: We do not use SSZ format in our VC for this endpoint at this time,
which explains why we haven't noticed earlier.

* fix Altair/Phase0
This commit is contained in:
Etan Kissling 2023-05-12 17:40:45 +02:00 committed by GitHub
parent 51418a7894
commit d263f7f0cb
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 12 additions and 12 deletions
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22
beacon_chain/rpc/rest_validator_api.nim
View File

@ -483,15 +483,18 @@ proc installValidatorApiHandlers*(router: var RestRouter, node: BeaconNode) =
qslot, proposer, qrandao, qskip_randao_verification):
return RestApiResponse.jsonError(Http400, InvalidRandaoRevealValue)
template responsePlain(response: untyped): untyped =
template responseVersioned(
response: untyped, contextFork: ConsensusFork): untyped =
if contentType == sszMediaType:
RestApiResponse.sszResponse(response)
let headers = [("eth-consensus-version", contextFork.toString())]
RestApiResponse.sszResponse(response, headers)
elif contentType == jsonMediaType:
RestApiResponse.jsonResponsePlain(response)
RestApiResponse.jsonResponseWVersion(response, contextFork)
else:
RestApiResponse.jsonError(Http500, InvalidAcceptError)
case node.dag.cfg.consensusForkAtEpoch(node.currentSlot.epoch)
let contextFork = node.dag.cfg.consensusForkAtEpoch(node.currentSlot.epoch)
case contextFork
of ConsensusFork.Deneb:
# TODO
# We should return a block with sidecars here
@ -503,18 +506,14 @@ proc installValidatorApiHandlers*(router: var RestRouter, node: BeaconNode) =
node, qrandao, proposer, qgraffiti, qhead, qslot)
if res.isErr():
return RestApiResponse.jsonError(Http400, res.error())
return responsePlain(ForkedBlindedBeaconBlock(
kind: ConsensusFork.Capella,
capellaData: res.get().blindedBlckPart))
return responseVersioned(res.get().blindedBlckPart, contextFork)
of ConsensusFork.Bellatrix:
let res = await makeBlindedBeaconBlockForHeadAndSlot[
bellatrix_mev.BlindedBeaconBlock](
node, qrandao, proposer, qgraffiti, qhead, qslot)
if res.isErr():
return RestApiResponse.jsonError(Http400, res.error())
return responsePlain(ForkedBlindedBeaconBlock(
kind: ConsensusFork.Bellatrix,
bellatrixData: res.get().blindedBlckPart))
return responseVersioned(res.get().blindedBlckPart, contextFork)
of ConsensusFork.Altair, ConsensusFork.Phase0:
# Pre-Bellatrix, this endpoint will return a BeaconBlock
let res = await makeBeaconBlockForHeadAndSlot(
@ -522,7 +521,8 @@ proc installValidatorApiHandlers*(router: var RestRouter, node: BeaconNode) =
proposer, qgraffiti, qhead, qslot)
if res.isErr():
return RestApiResponse.jsonError(Http400, res.error())
return responsePlain(res.get().blck)
withBlck(res.get().blck):
return responseVersioned(blck, contextFork)
# https://ethereum.github.io/beacon-APIs/#/Validator/produceAttestationData
router.api(MethodGet, "/eth/v1/validator/attestation_data") do (

2
beacon_chain/spec/eth2_apis/eth2_rest_serialization.nim
View File

@ -1214,7 +1214,7 @@ proc writeValue*[
writer.endRecord()
proc writeValue*[
BlockType: ForkedBeaconBlock|ForkedBlindedBeaconBlock](
BlockType: ForkedBeaconBlock](
writer: var JsonWriter[RestJson],
value: BlockType) {.raises: [IOError, Defect].} =