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Merged
prestwich merged 4 commits into from
Feb 12, 2026
Merged

feat(cold): add get_receipt_with_context composite query #19

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fe2dcf2
feat(cold): add get_receipt_with_context composite query
prestwich Feb 11, 2026
d234ffc
refactor(cold-mdbx): use single MDBX transaction per read method
prestwich Feb 11, 2026
6320d1d
refactor(cold): simplify ReceiptContext with Confirmed<Receipt>
prestwich Feb 11, 2026
e5f3e05
refactor(cold): remove tag-based block lookups
prestwich Feb 12, 2026
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284 changes: 152 additions & 132 deletions crates/cold-mdbx/src/backend.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -10,8 +10,8 @@ use crate::{
};
use alloy::{consensus::Header, primitives::BlockNumber};
use signet_cold::{
BlockData, BlockTag, ColdResult, ColdStorage, Confirmed, HeaderSpecifier, ReceiptSpecifier,
SignetEventsSpecifier, TransactionSpecifier, ZenithHeaderSpecifier,
BlockData, ColdResult, ColdStorage, Confirmed, HeaderSpecifier, ReceiptContext,
ReceiptSpecifier, SignetEventsSpecifier, TransactionSpecifier, ZenithHeaderSpecifier,
};
use signet_hot::{
KeySer, MAX_KEY_SIZE, ValSer,
Expand Down Expand Up @@ -124,116 +124,111 @@ impl MdbxColdBackend {
Ok(())
}

fn resolve_tag(&self, tag: BlockTag) -> Result<Option<BlockNumber>, MdbxColdError> {
let key = match tag {
BlockTag::Latest => MetadataKey::LatestBlock,
BlockTag::Finalized => MetadataKey::FinalizedBlock,
BlockTag::Safe => MetadataKey::SafeBlock,
BlockTag::Earliest => MetadataKey::EarliestBlock,
};
self.get_metadata(key)
}

fn get_metadata(&self, key: MetadataKey) -> Result<Option<BlockNumber>, MdbxColdError> {
let tx = self.env.tx()?;
Ok(TableTraverse::<ColdMetadata, _>::exact(&mut tx.new_cursor::<ColdMetadata>()?, &key)?)
}

fn get_block_by_hash(
&self,
hash: alloy::primitives::B256,
) -> Result<Option<BlockNumber>, MdbxColdError> {
fn get_header_inner(&self, spec: HeaderSpecifier) -> Result<Option<Header>, MdbxColdError> {
let tx = self.env.tx()?;
Ok(TableTraverse::<ColdBlockHashIndex, _>::exact(
&mut tx.new_cursor::<ColdBlockHashIndex>()?,
&hash,
let block_num = match spec {
HeaderSpecifier::Number(n) => n,
HeaderSpecifier::Hash(h) => {
let Some(n) = TableTraverse::<ColdBlockHashIndex, _>::exact(
&mut tx.new_cursor::<ColdBlockHashIndex>()?,
&h,
)?
else {
return Ok(None);
};
n
}
};
Ok(TableTraverse::<ColdHeaders, _>::exact(
&mut tx.new_cursor::<ColdHeaders>()?,
&block_num,
)?)
}

fn get_tx_location(
fn get_headers_inner(
&self,
hash: alloy::primitives::B256,
) -> Result<Option<TxLocation>, MdbxColdError> {
specs: Vec<HeaderSpecifier>,
) -> Result<Vec<Option<Header>>, MdbxColdError> {
let tx = self.env.tx()?;
Ok(TableTraverse::<ColdTxHashIndex, _>::exact(
&mut tx.new_cursor::<ColdTxHashIndex>()?,
&hash,
)?)
}

fn resolve_header_spec(
&self,
spec: HeaderSpecifier,
) -> Result<Option<BlockNumber>, MdbxColdError> {
match spec {
HeaderSpecifier::Number(n) => Ok(Some(n)),
HeaderSpecifier::Hash(h) => self.get_block_by_hash(h),
HeaderSpecifier::Tag(tag) => self.resolve_tag(tag),
}
specs
.into_iter()
.map(|spec| {
let block_num = match spec {
HeaderSpecifier::Number(n) => Some(n),
HeaderSpecifier::Hash(h) => TableTraverse::<ColdBlockHashIndex, _>::exact(
&mut tx.new_cursor::<ColdBlockHashIndex>()?,
&h,
)?,
};
block_num
.map(|n| {
TableTraverse::<ColdHeaders, _>::exact(
&mut tx.new_cursor::<ColdHeaders>()?,
&n,
)
})
.transpose()
.map(Option::flatten)
})
.collect::<Result<_, _>>()
.map_err(Into::into)
}

fn resolve_tx_spec(
fn get_transaction_inner(
&self,
spec: TransactionSpecifier,
) -> Result<Option<(BlockNumber, u64)>, MdbxColdError> {
match spec {
) -> Result<Option<Confirmed<TransactionSigned>>, MdbxColdError> {
let tx = self.env.tx()?;
let (block, index) = match spec {
TransactionSpecifier::Hash(h) => {
self.get_tx_location(h).map(|opt| opt.map(|loc| (loc.block, loc.index)))
let Some(loc) = TableTraverse::<ColdTxHashIndex, _>::exact(
&mut tx.new_cursor::<ColdTxHashIndex>()?,
&h,
)?
else {
return Ok(None);
};
(loc.block, loc.index)
}
TransactionSpecifier::BlockAndIndex { block, index } => Ok(Some((block, index))),
TransactionSpecifier::BlockAndIndex { block, index } => (block, index),
TransactionSpecifier::BlockHashAndIndex { block_hash, index } => {
self.get_block_by_hash(block_hash).map(|opt| opt.map(|b| (b, index)))
let Some(block) = TableTraverse::<ColdBlockHashIndex, _>::exact(
&mut tx.new_cursor::<ColdBlockHashIndex>()?,
&block_hash,
)?
else {
return Ok(None);
};
(block, index)
}
}
}

fn resolve_receipt_spec(
&self,
spec: ReceiptSpecifier,
) -> Result<Option<(BlockNumber, u64)>, MdbxColdError> {
match spec {
ReceiptSpecifier::TxHash(h) => {
self.get_tx_location(h).map(|opt| opt.map(|loc| (loc.block, loc.index)))
}
ReceiptSpecifier::BlockAndIndex { block, index } => Ok(Some((block, index))),
}
}

fn get_header_by_number(
&self,
block_num: BlockNumber,
) -> Result<Option<Header>, MdbxColdError> {
let tx = self.env.tx()?;
Ok(TableTraverse::<ColdHeaders, _>::exact(
&mut tx.new_cursor::<ColdHeaders>()?,
&block_num,
)?)
}

fn get_transaction_by_location(
&self,
block: BlockNumber,
index: u64,
) -> Result<Option<TransactionSigned>, MdbxColdError> {
let tx = self.env.tx()?;
Ok(DualTableTraverse::<ColdTransactions, _>::exact_dual(
};
let Some(signed_tx) = DualTableTraverse::<ColdTransactions, _>::exact_dual(
&mut tx.new_cursor::<ColdTransactions>()?,
&block,
&index,
)?)
)?
else {
return Ok(None);
};
let Some(header) =
TableTraverse::<ColdHeaders, _>::exact(&mut tx.new_cursor::<ColdHeaders>()?, &block)?
else {
return Ok(None);
};
let meta = ConfirmationMeta::new(block, header.hash_slow(), index);
Ok(Some(Confirmed::new(signed_tx, meta)))
}

fn get_receipt_by_location(
fn get_receipt_inner(
&self,
block: BlockNumber,
index: u64,
) -> Result<Option<Receipt>, MdbxColdError> {
let tx = self.env.tx()?;
Ok(DualTableTraverse::<ColdReceipts, _>::exact_dual(
&mut tx.new_cursor::<ColdReceipts>()?,
&block,
&index,
)?)
spec: ReceiptSpecifier,
) -> Result<Option<Confirmed<Receipt>>, MdbxColdError> {
Ok(self.get_receipt_with_context_inner(spec)?.map(|ctx| ctx.receipt))
}

fn get_zenith_header_by_number(
Expand Down Expand Up @@ -374,15 +369,6 @@ impl MdbxColdBackend {
&current_latest.map_or(block, |prev| prev.max(block)),
)?;

let current_earliest: Option<BlockNumber> = TableTraverse::<ColdMetadata, _>::exact(
&mut tx.new_cursor::<ColdMetadata>()?,
&MetadataKey::EarliestBlock,
)?;
tx.queue_put::<ColdMetadata>(
&MetadataKey::EarliestBlock,
&current_earliest.map_or(block, |prev| prev.min(block)),
)?;

tx.raw_commit()?;
Ok(())
}
Expand Down Expand Up @@ -453,44 +439,81 @@ impl MdbxColdBackend {
tx.raw_commit()?;
Ok(())
}

fn get_receipt_with_context_inner(
&self,
spec: ReceiptSpecifier,
) -> Result<Option<ReceiptContext>, MdbxColdError> {
let tx = self.env.tx()?;
let (block, index) = match spec {
ReceiptSpecifier::TxHash(h) => {
let Some(loc) = TableTraverse::<ColdTxHashIndex, _>::exact(
&mut tx.new_cursor::<ColdTxHashIndex>()?,
&h,
)?
else {
return Ok(None);
};
(loc.block, loc.index)
}
ReceiptSpecifier::BlockAndIndex { block, index } => (block, index),
};
let Some(header) =
TableTraverse::<ColdHeaders, _>::exact(&mut tx.new_cursor::<ColdHeaders>()?, &block)?
else {
return Ok(None);
};
let Some(receipt) = DualTableTraverse::<ColdReceipts, _>::exact_dual(
&mut tx.new_cursor::<ColdReceipts>()?,
&block,
&index,
)?
else {
return Ok(None);
};
let Some(transaction) = DualTableTraverse::<ColdTransactions, _>::exact_dual(
&mut tx.new_cursor::<ColdTransactions>()?,
&block,
&index,
)?
else {
return Ok(None);
};

let prior_cumulative_gas = index
.checked_sub(1)
.map(|prev| {
DualTableTraverse::<ColdReceipts, _>::exact_dual(
&mut tx.new_cursor::<ColdReceipts>()?,
&block,
&prev,
)
})
.transpose()?
.flatten()
.map(|r: Receipt| r.inner.cumulative_gas_used)
.unwrap_or(0);

let meta = ConfirmationMeta::new(block, header.hash_slow(), index);
let confirmed_receipt = Confirmed::new(receipt, meta);
Ok(Some(ReceiptContext::new(header, transaction, confirmed_receipt, prior_cumulative_gas)))
}
}

impl ColdStorage for MdbxColdBackend {
async fn get_header(&self, spec: HeaderSpecifier) -> ColdResult<Option<Header>> {
let Some(block_num) = self.resolve_header_spec(spec)? else {
return Ok(None);
};
Ok(self.get_header_by_number(block_num)?)
Ok(self.get_header_inner(spec)?)
}

async fn get_headers(&self, specs: Vec<HeaderSpecifier>) -> ColdResult<Vec<Option<Header>>> {
specs
.into_iter()
.map(|spec| {
self.resolve_header_spec(spec)?
.map(|n| self.get_header_by_number(n))
.transpose()
.map(Option::flatten)
})
.collect::<Result<_, MdbxColdError>>()
.map_err(Into::into)
Ok(self.get_headers_inner(specs)?)
}

async fn get_transaction(
&self,
spec: TransactionSpecifier,
) -> ColdResult<Option<Confirmed<TransactionSigned>>> {
let Some((block, index)) = self.resolve_tx_spec(spec)? else {
return Ok(None);
};
let Some(tx) = self.get_transaction_by_location(block, index)? else {
return Ok(None);
};
let Some(header) = self.get_header_by_number(block)? else {
return Ok(None);
};
let meta = ConfirmationMeta::new(block, header.hash_slow(), index);
Ok(Some(Confirmed::new(tx, meta)))
Ok(self.get_transaction_inner(spec)?)
}

async fn get_transactions_in_block(
Expand All @@ -505,17 +528,7 @@ impl ColdStorage for MdbxColdBackend {
}

async fn get_receipt(&self, spec: ReceiptSpecifier) -> ColdResult<Option<Confirmed<Receipt>>> {
let Some((block, index)) = self.resolve_receipt_spec(spec)? else {
return Ok(None);
};
let Some(receipt) = self.get_receipt_by_location(block, index)? else {
return Ok(None);
};
let Some(header) = self.get_header_by_number(block)? else {
return Ok(None);
};
let meta = ConfirmationMeta::new(block, header.hash_slow(), index);
Ok(Some(Confirmed::new(receipt, meta)))
Ok(self.get_receipt_inner(spec)?)
}

async fn get_receipts_in_block(&self, block: BlockNumber) -> ColdResult<Vec<Receipt>> {
Expand Down Expand Up @@ -565,6 +578,13 @@ impl ColdStorage for MdbxColdBackend {
Ok(self.get_metadata(MetadataKey::LatestBlock)?)
}

async fn get_receipt_with_context(
&self,
spec: ReceiptSpecifier,
) -> ColdResult<Option<ReceiptContext>> {
Ok(self.get_receipt_with_context_inner(spec)?)
}

async fn append_block(&self, data: BlockData) -> ColdResult<()> {
Ok(self.append_block_inner(data)?)
}
Expand Down
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