nimbus-eth1/fluffy/network/state/state_validation.nim

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# Fluffy
# Copyright (c) 2024 Status Research & Development GmbH
# Licensed and distributed under either of
# * MIT license (license terms in the root directory or at https://opensource.org/licenses/MIT).
# * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0).
# at your option. This file may not be copied, modified, or distributed except according to those terms.
import eth/common, ./state_content
proc validateFetchedAccountTrieNode*(
trustedAccountTrieNodeKey: AccountTrieNodeKey,
accountTrieNode: AccountTrieNodeRetrieval,
): bool =
let expectedHash = trustedAccountTrieNodeKey.nodeHash
let actualHash = keccakHash(accountTrieNode.node.asSeq())
expectedHash == actualHash
proc validateFetchedContractTrieNode*(
trustedContractTrieNodeKey: ContractTrieNodeKey,
contractTrieNode: ContractTrieNodeRetrieval,
): bool =
let expectedHash = trustedContractTrieNodeKey.nodeHash
let actualHash = keccakHash(contractTrieNode.node.asSeq())
expectedHash == actualHash
proc validateFetchedContractCode*(
trustedContractCodeKey: ContractCodeKey, contractCode: ContractCodeRetrieval
): bool =
let expectedHash = trustedContractCodeKey.codeHash
let actualHash = keccakHash(contractCode.code.asSeq())
expectedHash == actualHash