Struct AddressWitnessVerificationOperations 

pub struct AddressWitnessVerificationOperations {
    pub ecdsa_signature_verifications: u16,
    pub message_hash_count: u16,
    pub pubkey_hash_verifications: u16,
    pub script_hash_verifications: u16,
    pub signable_bytes_len: usize,
}

Operations performed during address witness verification.

This struct tracks the cryptographic operations performed when verifying address witnesses (P2PKH and P2SH), which are used to calculate processing fees.

Fields

ecdsa_signature_verifications: u16

Number of ECDSA secp256k1 signature verifications performed. Each verification involves elliptic curve operations.

message_hash_count: u16

Number of times we hash the signable bytes using sha256d. For P2PKH: 1 (hash computed once for signature verification) For P2SH multisig: 1 (hash computed once, reused for all signatures)

Note: This is NOT per signature - with P2SH optimization, the message hash is computed once and reused for all signature verifications.

pubkey_hash_verifications: u16

Number of public key hash (Hash160) verifications performed. Hash160 = RIPEMD160(SHA256(pubkey))

script_hash_verifications: u16

Number of script hash (SHA256) verifications performed. Used to verify P2SH redeem scripts.

signable_bytes_len: usize

Size of the signable bytes in bytes. Used to calculate the number of SHA256 blocks for the first SHA256. The second SHA256 (finalization) is always 1 block (32-byte input).

Implementations

impl AddressWitnessVerificationOperations

pub fn new() -> Self

Create a new empty operations tracker

pub fn for_p2pkh(signable_bytes_len: usize) -> Self

Operations for a single P2PKH witness verification

Arguments

• signable_bytes_len - Length of the signable bytes being signed

pub fn for_p2sh_multisig( signatures_verified: u16, signable_bytes_len: usize, ) -> Self

Operations for a P2SH multisig witness verification

Arguments

• signatures_verified - Number of signatures that were actually verified (may be more than threshold due to signature ordering in CHECKMULTISIG)
• signable_bytes_len - Length of the signable bytes being signed

pub fn combine(&mut self, other: &Self)

Combine operations from multiple witness verifications

pub fn total_signature_verifications(&self) -> u16

Total number of signature verifications

pub fn total_hash_operations(&self) -> u16

Total number of hash operations

Trait Implementations

impl Clone for AddressWitnessVerificationOperations

fn clone(&self) -> AddressWitnessVerificationOperations

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for AddressWitnessVerificationOperations

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for AddressWitnessVerificationOperations

fn default() -> AddressWitnessVerificationOperations

Returns the “default value” for a type.

impl PartialEq for AddressWitnessVerificationOperations

fn eq(&self, other: &AddressWitnessVerificationOperations) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Eq for AddressWitnessVerificationOperations

impl StructuralPartialEq for AddressWitnessVerificationOperations