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getBlobV3 implementation #3893

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Merged
tersec merged 2 commits into from
Jan 6, 2026
Merged

getBlobV3 implementation #3893

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26b1f44
getBlobV3 implementation
advaita-saha Jan 5, 2026
67b9ace
fixes
advaita-saha Jan 6, 2026
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5 changes: 3 additions & 2 deletions execution_chain/beacon/api_handler.nim
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
# Nimbus
# Copyright (c) 2023-2025 Status Research & Development GmbH
# Copyright (c) 2023-2026 Status Research & Development GmbH
# Licensed under either of
# * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE))
# * MIT license ([LICENSE-MIT](LICENSE-MIT))
Expand Down Expand Up @@ -30,4 +30,5 @@ export
newPayload,
forkchoiceUpdated,
getBlobsV1,
getBlobsV2
getBlobsV2,
getBlobsV3
18 changes: 17 additions & 1 deletion execution_chain/beacon/api_handler/api_getblobs.nim
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
# Nimbus
# Copyright (c) 2025 Status Research & Development GmbH
# Copyright (c) 2025-2026 Status Research & Development GmbH
# Licensed under either of
# * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE))
# * MIT license ([LICENSE-MIT](LICENSE-MIT))
Expand All @@ -8,6 +8,7 @@
# those terms.

import
std/sequtils,
results,
json_rpc/errors,
web3/engine_api_types,
Expand Down Expand Up @@ -50,3 +51,18 @@ proc getBlobsV2*(ben: BeaconEngineRef,
list.add blobAndProof

ok(list)

proc getBlobsV3*(ben: BeaconEngineRef,
versionedHashes: openArray[VersionedHash]):
seq[Opt[BlobAndProofV2]] =
# https://github.com/ethereum/execution-apis/pull/719
if versionedHashes.len > 128:
raise tooLargeRequest("the number of requested blobs is too large")

if ben.latestFork < Osaka:
raise unsupportedFork(
"getBlobsV3 called before Osaka has been activated")

versionedHashes.mapIt(
ben.txPool.getBlobAndProofV2(it)
)
7 changes: 6 additions & 1 deletion execution_chain/rpc/engine_api.nim
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
# Nimbus
# Copyright (c) 2021-2025 Status Research & Development GmbH
# Copyright (c) 2021-2026 Status Research & Development GmbH
# Licensed under either of
# * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE))
# * MIT license ([LICENSE-MIT](LICENSE-MIT))
Expand Down Expand Up @@ -38,6 +38,7 @@ const supportedMethods: HashSet[string] =
"engine_getClientVersionV1",
"engine_getBlobsV1",
"engine_getBlobsV2",
"engine_getBlobsV3"
])

# I'm trying to keep the handlers below very thin, and move the
Expand Down Expand Up @@ -118,3 +119,7 @@ proc setupEngineAPI*(engine: BeaconEngineRef, server: RpcServer) =
server.rpc("engine_getBlobsV2") do(versionedHashes: seq[VersionedHash]) ->
Opt[seq[BlobAndProofV2]]:
return engine.getBlobsV2(versionedHashes)

server.rpc("engine_getBlobsV3") do(versionedHashes: seq[VersionedHash]) ->
seq[Opt[BlobAndProofV2]]:
return engine.getBlobsV3(versionedHashes)