Struct Resolver

pub struct Resolver { /* private fields */ }

Available on crate feature eip712 only.

A dependency graph built from the Eip712Types object. This is used to safely resolve JSON into a crate::DynSolType by detecting cycles in the type graph and traversing the dep graph.

Implementations

impl Resolver

pub fn from_struct<S: SolStruct>() -> Self

Instantiate a new resolver from a SolStruct type.

pub fn ingest_string(&mut self, s: impl AsRef<str>) -> Result<()>

Ingest types from an EIP-712 encodeType.

pub fn ingest_sol_struct<S: SolStruct>(&mut self)

Ingest a sol struct typedef.

pub fn ingest(&mut self, type_def: TypeDef)

Ingest a type.

pub fn ingest_types(&mut self, types: &Eip712Types)

Ingest a Types object into the resolver, discarding any invalid types.

pub fn linearize(&self, type_name: &str) -> Result<Vec<&TypeDef>>

This function linearizes a type into a list of typedefs of its dependencies.

pub fn resolve(&self, type_name: &str) -> Result<DynSolType>

Resolve a typename into a crate::DynSolType or return an error if the type is missing, or contains a circular dependency.

pub fn encode_type(&self, name: &str) -> Result<String>

Encode the type into an EIP-712 encodeType string

https://eips.ethereum.org/EIPS/eip-712#definition-of-encodetype

pub fn type_hash(&self, name: &str) -> Result<B256>

Compute the keccak256 hash of the EIP-712 encodeType string.

pub fn encode_data(&self, value: &DynSolValue) -> Result<Option<Vec<u8>>>

Encode the data according to EIP-712 encodeData rules.

pub fn eip712_data_word(&self, value: &DynSolValue) -> Result<B256>

Encode the data as a struct property according to EIP-712 encodeData rules. Atomic types are encoded as-is, while non-atomic types are encoded as their encodeData hash.

pub fn contains_type_name(&self, name: &str) -> bool

Check if the resolver graph contains a type by its name.

Warning

This checks by NAME only. It does NOT check for type

Trait Implementations

impl Clone for Resolver

fn clone(&self) -> Resolver

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for Resolver

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

Formats the value using the given formatter.

impl Default for Resolver

fn default() -> Resolver

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for Resolver

fn deserialize<D: Deserializer<'de>>(deserializer: D) -> Result<Self, D::Error>

Deserialize this value from the given Serde deserializer.

impl From<&Eip712Types> for Resolver

fn from(types: &Eip712Types) -> Self

Converts to this type from the input type.

impl From<&Resolver> for Eip712Types

fn from(resolver: &Resolver) -> Self

Converts to this type from the input type.

impl From<Eip712Types> for Resolver

fn from(types: Eip712Types) -> Self

Converts to this type from the input type.

impl PartialEq for Resolver

fn eq(&self, other: &Resolver) -> 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 Serialize for Resolver

fn serialize<S: Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error>

Serialize this value into the given Serde serializer.

impl Eq for Resolver

impl StructuralPartialEq for Resolver

Layout

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 48 bytes