mirror of
https://github.com/status-im/nimbus-eth1.git
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7e2a636717
- Add basic validation for LC bootstrap gossip, validating either by trusted block root (only 1) when not synced, or by comparing with the header of the latest finality update when synced. - Update portal_bridge beacon to also gossip bootstraps into the network on each end of epoch.
27 lines
1.1 KiB
Nim
27 lines
1.1 KiB
Nim
# Fluffy
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# Copyright (c) 2024 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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import
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stew/bitops2,
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beacon_chain/spec/presets,
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beacon_chain/spec/forks,
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beacon_chain/spec/forks_light_client
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func isValidBootstrap*(bootstrap: ForkyLightClientBootstrap, cfg: RuntimeConfig): bool =
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## Verify if the bootstrap is valid. This does not verify if the header is
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## part of the canonical chain.
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is_valid_light_client_header(bootstrap.header, cfg) and
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is_valid_merkle_branch(
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hash_tree_root(bootstrap.current_sync_committee),
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bootstrap.current_sync_committee_branch,
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log2trunc(altair.CURRENT_SYNC_COMMITTEE_GINDEX),
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get_subtree_index(altair.CURRENT_SYNC_COMMITTEE_GINDEX),
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bootstrap.header.beacon.state_root,
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)
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