mirror of
https://github.com/logos-storage/plonky2.git
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108 lines
4.7 KiB
Rust
108 lines
4.7 KiB
Rust
/// These metadata fields contain global VM state, stored in the `Segment::Metadata` segment of the
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/// kernel's context (which is zero).
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#[derive(Copy, Clone, Eq, PartialEq, Hash, Ord, PartialOrd, Debug)]
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pub(crate) enum GlobalMetadata {
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/// The largest context ID that has been used so far in this execution. Tracking this allows us
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/// give each new context a unique ID, so that its memory will be zero-initialized.
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LargestContext = 0,
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/// The size of active memory, in bytes.
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MemorySize = 1,
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/// The size of the `TrieData` segment, in bytes. In other words, the next address available for
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/// appending additional trie data.
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TrieDataSize = 2,
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/// The size of the `TrieData` segment, in bytes. In other words, the next address available for
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/// appending additional trie data.
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RlpDataSize = 3,
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/// A pointer to the root of the state trie within the `TrieData` buffer.
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StateTrieRoot = 4,
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/// A pointer to the root of the transaction trie within the `TrieData` buffer.
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TransactionTrieRoot = 5,
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/// A pointer to the root of the receipt trie within the `TrieData` buffer.
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ReceiptTrieRoot = 6,
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// The root digests of each Merkle trie before these transactions.
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StateTrieRootDigestBefore = 8,
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TransactionTrieRootDigestBefore = 9,
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ReceiptTrieRootDigestBefore = 10,
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// The root digests of each Merkle trie after these transactions.
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StateTrieRootDigestAfter = 11,
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TransactionTrieRootDigestAfter = 12,
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ReceiptTrieRootDigestAfter = 13,
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/// The sizes of the `TrieEncodedChild` and `TrieEncodedChildLen` buffers. In other words, the
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/// next available offset in these buffers.
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TrieEncodedChildSize = 14,
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// Block metadata.
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BlockBeneficiary = 15,
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BlockTimestamp = 16,
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BlockNumber = 17,
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BlockDifficulty = 18,
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BlockGasLimit = 19,
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BlockChainId = 20,
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BlockBaseFee = 21,
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/// Gas to refund at the end of the transaction.
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RefundCounter = 22,
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}
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impl GlobalMetadata {
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pub(crate) const COUNT: usize = 22;
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pub(crate) fn all() -> [Self; Self::COUNT] {
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[
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Self::LargestContext,
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Self::MemorySize,
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Self::TrieDataSize,
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Self::RlpDataSize,
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Self::StateTrieRoot,
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Self::TransactionTrieRoot,
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Self::ReceiptTrieRoot,
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Self::StateTrieRootDigestBefore,
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Self::TransactionTrieRootDigestBefore,
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Self::ReceiptTrieRootDigestBefore,
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Self::StateTrieRootDigestAfter,
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Self::TransactionTrieRootDigestAfter,
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Self::ReceiptTrieRootDigestAfter,
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Self::TrieEncodedChildSize,
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Self::BlockBeneficiary,
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Self::BlockTimestamp,
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Self::BlockNumber,
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Self::BlockDifficulty,
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Self::BlockGasLimit,
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Self::BlockChainId,
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Self::BlockBaseFee,
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Self::RefundCounter,
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]
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}
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/// The variable name that gets passed into kernel assembly code.
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pub(crate) fn var_name(&self) -> &'static str {
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match self {
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Self::LargestContext => "GLOBAL_METADATA_LARGEST_CONTEXT",
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Self::MemorySize => "GLOBAL_METADATA_MEMORY_SIZE",
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Self::TrieDataSize => "GLOBAL_METADATA_TRIE_DATA_SIZE",
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Self::RlpDataSize => "GLOBAL_METADATA_RLP_DATA_SIZE",
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Self::StateTrieRoot => "GLOBAL_METADATA_STATE_TRIE_ROOT",
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Self::TransactionTrieRoot => "GLOBAL_METADATA_TXN_TRIE_ROOT",
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Self::ReceiptTrieRoot => "GLOBAL_METADATA_RECEIPT_TRIE_ROOT",
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Self::StateTrieRootDigestBefore => "GLOBAL_METADATA_STATE_TRIE_DIGEST_BEFORE",
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Self::TransactionTrieRootDigestBefore => "GLOBAL_METADATA_TXN_TRIE_DIGEST_BEFORE",
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Self::ReceiptTrieRootDigestBefore => "GLOBAL_METADATA_RECEIPT_TRIE_DIGEST_BEFORE",
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Self::StateTrieRootDigestAfter => "GLOBAL_METADATA_STATE_TRIE_DIGEST_AFTER",
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Self::TransactionTrieRootDigestAfter => "GLOBAL_METADATA_TXN_TRIE_DIGEST_AFTER",
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Self::ReceiptTrieRootDigestAfter => "GLOBAL_METADATA_RECEIPT_TRIE_DIGEST_AFTER",
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Self::TrieEncodedChildSize => "GLOBAL_METADATA_TRIE_ENCODED_CHILD_SIZE",
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Self::BlockBeneficiary => "GLOBAL_METADATA_BLOCK_BENEFICIARY",
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Self::BlockTimestamp => "GLOBAL_METADATA_BLOCK_TIMESTAMP",
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Self::BlockNumber => "GLOBAL_METADATA_BLOCK_NUMBER",
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Self::BlockDifficulty => "GLOBAL_METADATA_BLOCK_DIFFICULTY",
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Self::BlockGasLimit => "GLOBAL_METADATA_BLOCK_GAS_LIMIT",
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Self::BlockChainId => "GLOBAL_METADATA_BLOCK_CHAIN_ID",
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Self::BlockBaseFee => "GLOBAL_METADATA_BLOCK_BASE_FEE",
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Self::RefundCounter => "GLOBAL_METADATA_REFUND_COUNTER",
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}
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}
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}
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