Struct AggregatedSignature

pub struct AggregatedSignature(/* private fields */);

The aggregated signature of all partial signatures.

Implementations

impl AggregatedSignature

pub fn assume_valid(self) -> Signature

Returns the aggregated signature schnorr::Signature assuming it is valid.

The partial_sig_agg function cannot guarantee that the produced signature is valid because participants may send invalid signatures. In some applications this doesn’t matter because the invalid message is simply dropped with no consequences. These can simply call this function to obtain the resulting signature. However in applications that require having valid signatures before continuing (e.g. presigned transactions in Bitcoin Lightning Network) this would be exploitable. Such applications MUST verify the resulting signature using the verify method.

Note that while an alternative approach of verifying partial signatures is valid, verifying the aggregated signature is more performant. Thus it should be generally better to verify the signature using this function first and fall back to detection of violators if it fails.

pub fn verify( self, aggregate_key: &XOnlyPublicKey, message: &[u8], ) -> Result<Signature, Error>

Verify the aggregated signature against the aggregate public key and message before returning the signature.

Trait Implementations

impl Clone for AggregatedSignature

fn clone(&self) -> AggregatedSignature

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for AggregatedSignature

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

Formats the value using the given formatter.

impl Hash for AggregatedSignature

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl Ord for AggregatedSignature

fn cmp(&self, other: &AggregatedSignature) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

where Self: Sized,

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

where Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

where Self: Sized,

Restrict a value to a certain interval.

impl PartialEq for AggregatedSignature

fn eq(&self, other: &AggregatedSignature) -> 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 PartialOrd for AggregatedSignature

fn partial_cmp(&self, other: &AggregatedSignature) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

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

Tests less than (for self and other) and is used by the < operator.

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

Tests less than or equal to (for self and other) and is used by the <= operator.

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

Tests greater than (for self and other) and is used by the > operator.

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

Tests greater than or equal to (for self and other) and is used by the >= operator.

impl Copy for AggregatedSignature

impl Eq for AggregatedSignature

impl StructuralPartialEq for AggregatedSignature