mirror of
https://github.com/status-im/nimbus-eth2.git
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c808f17a37
Incorporates the latest changes to the light client sync protocol based on Devconnect AMS feedback. Note that this breaks compatibility with the previous prototype, due to changes to data structures and endpoints. See https://github.com/ethereum/consensus-specs/pull/2802
93 lines
3.0 KiB
Nim
93 lines
3.0 KiB
Nim
# beacon_chain
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# Copyright (c) 2018-2022 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: [Defect].}
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import
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std/[os, strformat],
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chronicles,
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./spec/[
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beaconstate, eth2_ssz_serialization, eth2_merkleization, forks, helpers],
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./spec/datatypes/[phase0, altair]
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export
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beaconstate, eth2_ssz_serialization, eth2_merkleization, forks
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# Dump errors are generally not fatal where used currently - the code calling
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# these functions, like most code, is not exception safe
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template logErrors(body: untyped) =
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try:
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body
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except CatchableError as err:
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notice "Failed to write SSZ", dir, msg = err.msg
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proc dump*(dir: string, v: AttestationData, validator: ValidatorPubKey) =
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logErrors:
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SSZ.saveFile(dir / &"att-{v.slot}-{v.index}-{shortLog(validator)}.ssz", v)
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proc dump*(dir: string, v: ForkyTrustedSignedBeaconBlock) =
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logErrors:
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SSZ.saveFile(dir / &"block-{v.message.slot}-{shortLog(v.root)}.ssz", v)
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proc dump*(dir: string, v: ForkySignedBeaconBlock) =
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logErrors:
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SSZ.saveFile(dir / &"block-{v.message.slot}-{shortLog(v.root)}.ssz", v)
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proc dump*(dir: string, v: ForkyHashedBeaconState) =
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mixin saveFile
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logErrors:
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SSZ.saveFile(
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dir / &"state-{v.data.slot}-{shortLog(v.latest_block_root)}-{shortLog(v.root)}.ssz",
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v.data)
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proc dump*(dir: string, v: SyncCommitteeMessage, validator: ValidatorPubKey) =
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logErrors:
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SSZ.saveFile(dir / &"sync-committee-msg-{v.slot}-{shortLog(validator)}.ssz", v)
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proc dump*(dir: string, v: altair.LightClientBootstrap) =
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logErrors:
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let
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prefix = "bootstrap"
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slot = v.header.slot
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blck = shortLog(v.header.hash_tree_root())
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root = shortLog(v.hash_tree_root())
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SSZ.saveFile(
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dir / &"{prefix}-{slot}-{blck}-{root}.ssz", v)
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proc dump*(dir: string, v: SomeLightClientUpdate) =
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logErrors:
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let
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prefix =
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when v is altair.LightClientUpdate:
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"update"
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elif v is altair.LightClientFinalityUpdate:
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"finality-update"
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elif v is altair.LightClientOptimisticUpdate:
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"optimistic-update"
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attestedSlot = v.attested_header.slot
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attestedBlck = shortLog(v.attested_header.hash_tree_root())
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syncCommitteeSuffix =
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when v is SomeLightClientUpdateWithSyncCommittee:
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if v.is_sync_committee_update:
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"s"
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else:
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"x"
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else:
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""
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finalitySuffix =
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when v is SomeLightClientUpdateWithFinality:
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if v.is_finality_update:
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"f"
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else:
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"x"
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else:
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""
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suffix = syncCommitteeSuffix & finalitySuffix
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root = shortLog(v.hash_tree_root())
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SSZ.saveFile(
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dir / &"{prefix}-{attestedSlot}-{attestedBlck}-{suffix}-{root}.ssz", v)
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