pub struct CurvePrecompile;Expand description
Precompile for point operations over the fixed supported curves.
Implementations§
Source§impl CurvePrecompile
impl CurvePrecompile
Sourcepub const NAME: &'static str = "curve"
pub const NAME: &'static str = "curve"
Stable precompile name used to derive this precompile’s tag id.
Sourcepub const VALUE_OP_ID: u64 = 0
pub const VALUE_OP_ID: u64 = 0
Operation discriminants owned by this precompile.
pub const ADD_OP_ID: u64 = 1
pub const SUB_OP_ID: u64 = 2
pub const EQ_OP_ID: u64 = 3
pub const MSM_OP_ID: u64 = 4
Sourcepub fn id() -> Felt
pub fn id() -> Felt
Stable precompile id derived from Self::NAME.
Sourcepub fn op_tag(op_id: u64) -> Tag
pub fn op_tag(op_id: u64) -> Tag
Builds a curve operation tag from op_id.
Known operation ids decode to their declared shapes; unknown ids produce a tag that this precompile rejects.
Sourcepub fn value_node(curve: CurveId, point: CurvePoint) -> Node
pub fn value_node(curve: CurveId, point: CurvePoint) -> Node
Builds a structural point VALUE node from point data.
This does not validate raw affine coordinates; registration and evaluation perform that validation before producing a canonical curve value.
Sourcepub fn identity_node(curve: CurveId) -> Node
pub fn identity_node(curve: CurveId) -> Node
Builds the canonical identity point value node for curve.
Sourcepub fn generator_node(curve: CurveId) -> Node
pub fn generator_node(curve: CurveId) -> Node
Builds the canonical generator value node for curve.
Sourcepub fn affine_node_from_digests(curve: CurveId, x: Digest, y: Digest) -> Node
pub fn affine_node_from_digests(curve: CurveId, x: Digest, y: Digest) -> Node
Builds an affine point VALUE node from coordinate digests.
Sourcepub fn decode_node(node: &Node) -> Result<Option<CurveNodeRef>, PrecompileError>
pub fn decode_node(node: &Node) -> Result<Option<CurveNodeRef>, PrecompileError>
Decodes a curve precompile node without evaluating its children.
Returns Ok(None) when node belongs to another precompile. Owned nodes return their
structural child digests or pair list directly from the payload.
Trait Implementations§
Source§impl Clone for CurvePrecompile
impl Clone for CurvePrecompile
Source§fn clone(&self) -> CurvePrecompile
fn clone(&self) -> CurvePrecompile
Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source. Read moreimpl Copy for CurvePrecompile
Source§impl Debug for CurvePrecompile
impl Debug for CurvePrecompile
Source§impl Default for CurvePrecompile
impl Default for CurvePrecompile
Source§fn default() -> CurvePrecompile
fn default() -> CurvePrecompile
Returns the “default value” for a type. Read more
Source§impl Precompile for CurvePrecompile
impl Precompile for CurvePrecompile
Source§fn name(&self) -> &'static str
fn name(&self) -> &'static str
Stable name hashed into the precompile id; renaming changes every tag this precompile owns.
Source§fn init(&self) -> Vec<Node>
fn init(&self) -> Vec<Node>
Canonical constants this precompile wants registered before execution. Read more
Auto Trait Implementations§
impl Freeze for CurvePrecompile
impl RefUnwindSafe for CurvePrecompile
impl Send for CurvePrecompile
impl Sync for CurvePrecompile
impl Unpin for CurvePrecompile
impl UnsafeUnpin for CurvePrecompile
impl UnwindSafe for CurvePrecompile
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