Module mempool 

Structs

Mempool

Mempool data structure: transaction IDs plus outpoints spent by those transactions.

Enums

MempoolResult

Result of mempool acceptance

Constants

DEFAULT_BYTES_PER_SIGOP

Default -bytespersigop. Each sigop costs 20 / 4 = 5 vbytes.

MAX_STANDARD_TX_SIGOPS_COST

Standard mempool cap: MAX_BLOCK_SIGOPS_COST / 5 (16_000). Core rejects above this with bad-txns-too-many-sigops.

Functions

accept_to_memory_pool

AcceptToMemoryPool: 𝒯𝒳 × 𝒰𝒮 → {accepted, rejected}

calculate_tx_idDeprecated

Calculate transaction ID (deprecated - use crate::block::calculate_tx_id instead)

has_conflict_with_tx

Check if new transaction conflicts with existing transaction

is_final_tx

Check if transaction is final (Orange Paper Section 9.1 - Transaction Finality)

is_standard_tx

IsStandardTx: 𝒯𝒳 → {true, false}

is_standard_tx_with_config

Variant of is_standard_tx that accepts an optional blvm_primitives::config::MempoolConfig.

replacement_checks

ReplacementChecks: 𝒯𝒳 × 𝒯𝒳 × 𝒰𝒮 × Mempool → {true, false}

signals_rbf

Check if transaction signals RBF

sigop_adjusted_vsize

Sigop-adjusted virtual size.

update_mempool_after_block

Update mempool after block connection

update_mempool_after_block_with_lookup

Update mempool after block connection (with transaction lookup)