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starknet_committer: db keys for proofs and accessed keys digest #13997

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starknet_committer: db keys for proofs and accessed keys digest #13997

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33 changes: 33 additions & 0 deletions crates/starknet_committer/src/db/index_db/db.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,8 @@ use std::marker::PhantomData;
use std::sync::LazyLock;

use async_trait::async_trait;
#[cfg(feature = "os_input")]
use starknet_api::block::BlockNumber;
use starknet_api::core::{ContractAddress, PATRICIA_KEY_UPPER_BOUND_FELT};
use starknet_api::hash::{HashOutput, StateRoots};
use starknet_patricia::db_layout::{NodeLayout, NodeLayoutFor};
Expand Down Expand Up @@ -50,6 +52,8 @@ use crate::db::index_db::types::{
IndexLayoutSubTree,
IndexNodeContext,
};
#[cfg(feature = "os_input")]
use crate::db::serde_db_utils::DbBlockNumber;
use crate::forest::deleted_nodes::DeletedNodes;
use crate::forest::filled_forest::FilledForest;
use crate::forest::forest_errors::ForestResult;
Expand Down Expand Up @@ -84,6 +88,28 @@ static STATE_ROOT_METADATA_PREFIX: LazyLock<[u8; 32]> = LazyLock::new(|| {
(Felt::from_bytes_be(&STATE_DIFF_HASH_METADATA_PREFIX) + Felt::ONE).to_bytes_be()
});

/// Prefix for accessed-keys digest metadata (committed per block).
#[cfg(feature = "os_input")]
pub(crate) static ACCESSED_KEYS_DIGEST_METADATA_PREFIX: LazyLock<[u8; 32]> =
LazyLock::new(|| (Felt::from_bytes_be(&STATE_ROOT_METADATA_PREFIX) + Felt::ONE).to_bytes_be());

/// Prefix for merged Patricia proofs payload KV (per block).
#[cfg(feature = "os_input")]
pub(crate) static PATRICIA_PATHS_PREFIX: LazyLock<[u8; 32]> = LazyLock::new(|| {
(Felt::from_bytes_be(&ACCESSED_KEYS_DIGEST_METADATA_PREFIX) + Felt::ONE).to_bytes_be()
});

/// DB key for persisted merged Patricia proofs at `height`.
#[cfg(feature = "os_input")]
pub(crate) fn patricia_proofs_db_key(height: BlockNumber) -> DbKey {
let mut key = Vec::with_capacity(64);
key.extend_from_slice(&*PATRICIA_PATHS_PREFIX);
let block_number_bytes: [u8; 8] = DbBlockNumber(height).serialize();
key.extend_from_slice(&block_number_bytes);
key.extend_from_slice(&[0u8; 24]);
DbKey(key)
}

pub struct IndexDb<S: Storage, H = TreeHashFunctionImpl> {
storage: S,
phantom: PhantomData<H>,
Expand Down Expand Up @@ -287,6 +313,13 @@ impl<S: Storage> ForestMetadata for IndexDb<S> {
key.extend_from_slice(&block_number_bytes);
key.extend_from_slice(&[0u8; 24]);
}
#[cfg(feature = "os_input")]
ForestMetadataType::OsInputWitnessDigest(block_number) => {
key.extend_from_slice(&*ACCESSED_KEYS_DIGEST_METADATA_PREFIX);
let block_number_bytes: [u8; 8] = block_number.serialize();
key.extend_from_slice(&block_number_bytes);
key.extend_from_slice(&[0u8; 24]);
}
}
DbKey(key)
}
Expand Down
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