41 lines
2.0 KiB
Nim
41 lines
2.0 KiB
Nim
# beacon_chain
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# Copyright (c) 2018-2023 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: [].}
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# Temporary dumping ground for extra types and helpers that could make it into
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# the spec potentially
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#
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# The `skipXXXValidation` flags are used to skip over certain checks that are
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# normally done when an untrusted block arrives from the network. The
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# primary use case for this flag is when a proposer must propose a new
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# block - in order to do so, it needs to update the state as if the block
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# was valid, before it can sign it. Also useful for some testing, fuzzing with
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# improved coverage, and to avoid unnecessary validation when replaying trusted
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# (previously validated) blocks.
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type
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UpdateFlag* = enum
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skipBlsValidation ##\
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## Skip verification of BLS signatures in block processing.
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## Predominantly intended for use in testing, e.g. to allow extra coverage.
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## Also useful to avoid unnecessary work when replaying known, good blocks.
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skipStateRootValidation ##\
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## Skip verification of block state root.
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strictVerification ##\
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## Strictly assert on unexpected conditions to aid debugging.
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## Should not be used in production, as additional asserts are reachable.
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slotProcessed ##\
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## Allow blocks to be applied to states with the same slot number as the
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## block which is what happens when `process_block` is called separately
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skipLastStateRootCalculation ##\
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## When process_slots() is being called as part of a state_transition(),
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## the hash_tree_root() from the block will fill in the state.root so it
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## should skip calculating that last state root.
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UpdateFlags* = set[UpdateFlag]
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