nimbus-eth1/nimbus/beacon/api_handler/api_getpayload.nim

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# Nimbus
# Copyright (c) 2023-2024 Status Research & Development GmbH
# Licensed under either of
# * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE))
# * MIT license ([LICENSE-MIT](LICENSE-MIT))
# at your option.
# This file may not be copied, modified, or distributed except according to
# those terms.
import
std/[typetraits],
eth/common,
../web3_eth_conv,
../beacon_engine,
web3/execution_types,
./api_utils,
chronicles
{.push gcsafe, raises:[CatchableError].}
proc getPayload*(ben: BeaconEngineRef,
expectedVersion: Version,
id: PayloadID): GetPayloadV2Response =
trace "Engine API request received",
meth = "GetPayload", id
var payloadGeneric: ExecutionPayload
var blockValue: UInt256
var blobsBundle: Opt[BlobsBundleV1]
if not ben.get(id, blockValue, payloadGeneric, blobsBundle):
raise unknownPayload("Unknown payload")
let version = payloadGeneric.version
if version > expectedVersion:
raise unsupportedFork("getPayload" & $expectedVersion &
" expect ExecutionPayload" & $expectedVersion &
" but get ExecutionPayload" & $version)
if blobsBundle.isSome:
raise unsupportedFork("getPayload" & $expectedVersion &
" contains unsupported BlobsBundleV1")
GetPayloadV2Response(
executionPayload: payloadGeneric.V1V2,
blockValue: blockValue
)
proc getPayloadV3*(ben: BeaconEngineRef, id: PayloadID): GetPayloadV3Response =
trace "Engine API request received",
meth = "GetPayload", id
var payloadGeneric: ExecutionPayload
var blockValue: UInt256
var blobsBundle: Opt[BlobsBundleV1]
if not ben.get(id, blockValue, payloadGeneric, blobsBundle):
raise unknownPayload("Unknown payload")
let version = payloadGeneric.version
if version != Version.V3:
raise unsupportedFork("getPayloadV3 expect ExecutionPayloadV3 but get ExecutionPayload" & $version)
if blobsBundle.isNone:
raise unsupportedFork("getPayloadV3 is missing BlobsBundleV1")
let payload = payloadGeneric.V3
let com = ben.com
if not com.isCancunOrLater(ethTime payload.timestamp):
raise unsupportedFork("payload timestamp is less than Cancun activation")
GetPayloadV3Response(
executionPayload: payload,
blockValue: blockValue,
blobsBundle: blobsBundle.get,
shouldOverrideBuilder: false
)
proc getPayloadV4*(ben: BeaconEngineRef, id: PayloadID): GetPayloadV4Response =
trace "Engine API request received",
meth = "GetPayload", id
var payloadGeneric: ExecutionPayload
var blockValue: UInt256
var blobsBundle: Opt[BlobsBundleV1]
if not ben.get(id, blockValue, payloadGeneric, blobsBundle):
raise unknownPayload("Unknown payload")
let version = payloadGeneric.version
if version != Version.V4:
raise unsupportedFork("getPayloadV4 expect ExecutionPayloadV4 but get ExecutionPayload" & $version)
if blobsBundle.isNone:
raise unsupportedFork("getPayloadV4 is missing BlobsBundleV1")
let payload = payloadGeneric.V4
let com = ben.com
if not com.isPragueOrLater(ethTime payload.timestamp):
raise unsupportedFork("payload timestamp is less than Prague activation")
GetPayloadV4Response(
executionPayload: payload,
blockValue: blockValue,
blobsBundle: blobsBundle.get,
shouldOverrideBuilder: false
)