Eip712Domain

alloy::sol_types

Struct Eip712Domain

pub struct Eip712Domain {
    pub name: Option<Cow<'static, str>>,
    pub version: Option<Cow<'static, str>>,
    pub chain_id: Option<Uint<256, 4>>,
    pub verifying_contract: Option<Address>,
    pub salt: Option<FixedBytes<32>>,
}

Available on crate feature sol-types only.

Expand description

EIP-712 domain attributes used in determining the domain separator.

Unused fields are left out of the struct type.

Protocol designers only need to include the fields that make sense for their signing domain.

Fields§

§name: Option<Cow<'static, str>>

The user readable name of signing domain, i.e. the name of the DApp or the protocol.

§version: Option<Cow<'static, str>>

The current major version of the signing domain. Signatures from different versions are not compatible.

§chain_id: Option<Uint<256, 4>>

The EIP-155 chain ID. The user-agent should refuse signing if it does not match the currently active chain.

§verifying_contract: Option<Address>

The address of the contract that will verify the signature.

§salt: Option<FixedBytes<32>>

A disambiguating salt for the protocol. This can be used as a domain separator of last resort.

Implementations§

impl Eip712Domain

pub const NAME: &'static str = "EIP712Domain"

Available on crate feature dyn-abi only.

The name of the struct.

pub const fn new( name: Option<Cow<'static, str>>, version: Option<Cow<'static, str>>, chain_id: Option<Uint<256, 4>>, verifying_contract: Option<Address>, salt: Option<FixedBytes<32>>, ) -> Eip712Domain

Available on crate feature dyn-abi only.

Instantiate a new EIP-712 domain.

Use the eip712_domain! macro for easier instantiation.

pub fn separator(&self) -> FixedBytes<32>

Available on crate feature dyn-abi only.

Calculate the domain separator for the domain object.

pub fn encode_type(&self) -> String

Available on crate feature dyn-abi only.

The EIP-712-encoded type string.

See EIP-712 encodeType.

pub fn type_hash(&self) -> FixedBytes<32>

Available on crate feature dyn-abi only.

Calculates the EIP-712 typeHash for this domain.

This is defined as the Keccak-256 hash of the encodeType string.

pub const fn num_words(&self) -> usize

Available on crate feature dyn-abi only.

Returns the number of ABI words (32 bytes) that will be used to encode the domain.

pub const fn abi_encoded_size(&self) -> usize

Available on crate feature dyn-abi only.

Returns the number of bytes that will be used to encode the domain.

pub fn encode_data_to(&self, out: &mut Vec<u8>)

Available on crate feature dyn-abi only.

Encodes this domain using EIP-712 encodeData into the given buffer.

pub fn encode_data(&self) -> Vec<u8> ⓘ

Available on crate feature dyn-abi only.

Encodes this domain using EIP-712 encodeData.

pub fn hash_struct(&self) -> FixedBytes<32>

Available on crate feature dyn-abi only.

Hashes this domain according to EIP-712 hashStruct.

Trait Implementations§

impl Clone for Eip712Domain

fn clone(&self) -> Eip712Domain

Returns a duplicate of the value. Read more

1.0.0 · Source§

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

Performs copy-assignment from source. Read more

impl Debug for Eip712Domain

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

Formats the value using the given formatter. Read more

impl Default for Eip712Domain

fn default() -> Eip712Domain

Returns the “default value” for a type. Read more

impl<'de> Deserialize<'de> for Eip712Domain

fn deserialize<D>( deserializer: D, ) -> Result<Eip712Domain, <D as Deserializer<'de>>::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more

impl Hash for Eip712Domain

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

Feeds this value into the given Hasher. Read more

1.3.0 · Source§

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

Feeds a slice of this type into the given Hasher. Read more

impl PartialEq for Eip712Domain

fn eq(&self, other: &Eip712Domain) -> bool

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

1.0.0 · Source§

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 Eip712Domain

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

Serialize this value into the given Serde serializer. Read more

impl Eq for Eip712Domain

impl StructuralPartialEq for Eip712Domain

Auto Trait Implementations§

impl Freeze for Eip712Domain

impl RefUnwindSafe for Eip712Domain

impl Send for Eip712Domain

impl Sync for Eip712Domain

impl Unpin for Eip712Domain

impl UnwindSafe for Eip712Domain

Blanket Implementations§

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where T: 'static + ?Sized,

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Gets the TypeId of self. Read more

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🔬This is a nightly-only experimental API. (clone_to_uninit)

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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: 144 bytes