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833719a866
These create only confusion as if they are actual different types and it is within their usage already clear what they are about because of the name of the variable or the function. They are also nowhere aliased like this in any of the Portal specification.
111 lines
3.2 KiB
Nim
111 lines
3.2 KiB
Nim
# Fluffy
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# Copyright (c) 2023-2024 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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# As per spec:
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# https://github.com/ethereum/portal-network-specs/blob/master/state-network.md#content-keys-and-content-ids
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{.push raises: [].}
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import results, ssz_serialization, ../../../common/common_types
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export ssz_serialization, common_types, hash, results
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const
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MAX_TRIE_NODE_LEN* = 1024
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MAX_TRIE_PROOF_LEN* = 65
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MAX_BYTECODE_LEN* = 32768
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type
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TrieNode* = List[byte, MAX_TRIE_NODE_LEN]
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TrieProof* = List[TrieNode, MAX_TRIE_PROOF_LEN]
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Bytecode* = List[byte, MAX_BYTECODE_LEN]
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AccountTrieNodeOffer* = object
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proof*: TrieProof
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blockHash*: Hash32
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AccountTrieNodeRetrieval* = object
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node*: TrieNode
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ContractTrieNodeOffer* = object
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storageProof*: TrieProof
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accountProof*: TrieProof
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blockHash*: Hash32
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ContractTrieNodeRetrieval* = object
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node*: TrieNode
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ContractCodeOffer* = object
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code*: Bytecode
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accountProof*: TrieProof
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blockHash*: Hash32
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ContractCodeRetrieval* = object
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code*: Bytecode
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ContentOfferType* = AccountTrieNodeOffer | ContractTrieNodeOffer | ContractCodeOffer
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ContentRetrievalType* =
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AccountTrieNodeRetrieval | ContractTrieNodeRetrieval | ContractCodeRetrieval
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ContentValueType* = ContentOfferType | ContentRetrievalType
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func init*(
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T: type AccountTrieNodeOffer, proof: TrieProof, blockHash: Hash32
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): T {.inline.} =
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T(proof: proof, blockHash: blockHash)
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func init*(T: type AccountTrieNodeRetrieval, node: TrieNode): T {.inline.} =
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T(node: node)
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func init*(
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T: type ContractTrieNodeOffer,
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storageProof: TrieProof,
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accountProof: TrieProof,
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blockHash: Hash32,
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): T {.inline.} =
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T(storageProof: storageProof, accountProof: accountProof, blockHash: blockHash)
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func init*(T: type ContractTrieNodeRetrieval, node: TrieNode): T {.inline.} =
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T(node: node)
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func init*(
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T: type ContractCodeOffer,
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code: Bytecode,
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accountProof: TrieProof,
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blockHash: Hash32,
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): T {.inline.} =
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T(code: code, accountProof: accountProof, blockHash: blockHash)
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func init*(T: type ContractCodeRetrieval, code: Bytecode): T {.inline.} =
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T(code: code)
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func toRetrievalValue*(
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offer: AccountTrieNodeOffer
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): AccountTrieNodeRetrieval {.inline.} =
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AccountTrieNodeRetrieval.init(offer.proof[^1])
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func toRetrievalValue*(
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offer: ContractTrieNodeOffer
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): ContractTrieNodeRetrieval {.inline.} =
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ContractTrieNodeRetrieval.init(offer.storageProof[^1])
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func toRetrievalValue*(offer: ContractCodeOffer): ContractCodeRetrieval {.inline.} =
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ContractCodeRetrieval.init(offer.code)
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func empty*(T: type TrieProof): T {.inline.} =
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T.init(@[])
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func empty*(T: type Bytecode): T {.inline.} =
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T(@[])
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func encode*(value: ContentValueType): seq[byte] {.inline.} =
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SSZ.encode(value)
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func decode*(
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T: type ContentValueType, bytes: openArray[byte]
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): Result[T, string] {.inline.} =
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decodeSsz(bytes, T)
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