signet-cold-mdbx

MDBX backend implementation for cold storage.

This crate provides table definitions and an MDBX-based backend for storing historical blockchain data.

Tables

Primary Data Tables

Table	Key	Value
`ColdHeaders`	Block number	Header
`ColdTransactions`	(Block number, tx index)	Transaction
`ColdReceipts`	(Block number, tx index)	Receipt
`ColdSignetEvents`	(Block number, event index)	Signet event
`ColdZenithHeaders`	Block number	Zenith header

Index Tables

Table	Key	Value
`ColdBlockHashIndex`	Block hash	Block number
`ColdTxHashIndex`	Tx hash	(Block number, tx index)

Metadata Tables

Table	Key	Value
`ColdMetadata`	Metadata key	Block number

Metadata keys: Latest, Finalized, Safe, Earliest.

Usage

use signet_cold_mdbx::{MdbxColdBackend, DatabaseArguments, DatabaseEnvKind};

// Open database
let backend = MdbxColdBackend::open(path, DatabaseEnvKind::RW, DatabaseArguments::new())?;

// Use with cold storage task
let (handle, task) = ColdStorageTask::new(backend, 64);
tokio::spawn(task.run());

Re-exports

DatabaseArguments, DatabaseEnvKind from signet-hot-mdbx