pub struct MetadataHash(/* private fields */);Expand description
Represents a Keccak256 metadata hash as 32 bytes.
This type provides a typed representation of metadata hashes for the agglayer bridge, while maintaining compatibility with the existing MASM processing pipeline.
The metadata hash is keccak256(abi.encode(name, symbol, decimals)) where the encoding
follows Solidity’s abi.encode format for (string, string, uint8).
Implementations§
Source§impl MetadataHash
impl MetadataHash
Sourcepub const fn new(bytes: [u8; 32]) -> MetadataHash
pub const fn new(bytes: [u8; 32]) -> MetadataHash
Creates a new MetadataHash from a 32-byte array.
Sourcepub fn from_abi_encoded(metadata_bytes: &[u8]) -> MetadataHash
pub fn from_abi_encoded(metadata_bytes: &[u8]) -> MetadataHash
Computes the metadata hash from raw ABI-encoded metadata bytes.
This computes keccak256(metadata_bytes).
Sourcepub fn from_token_info(name: &str, symbol: &str, decimals: u8) -> MetadataHash
pub fn from_token_info(name: &str, symbol: &str, decimals: u8) -> MetadataHash
Computes the metadata hash from token information.
This computes keccak256(abi.encode(name, symbol, decimals)) matching the Solidity
bridge’s getTokenMetadata encoding.
Sourcepub fn to_elements(&self) -> Vec<Felt>
pub fn to_elements(&self) -> Vec<Felt>
Converts the metadata hash to 8 Felt elements for MASM processing.
Each 4-byte chunk is converted to a u32 using little-endian byte order.
Trait Implementations§
Source§impl Clone for MetadataHash
impl Clone for MetadataHash
Source§fn clone(&self) -> MetadataHash
fn clone(&self) -> MetadataHash
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 MetadataHash
Source§impl Debug for MetadataHash
impl Debug for MetadataHash
impl Eq for MetadataHash
Source§impl Hash for MetadataHash
impl Hash for MetadataHash
Source§impl PartialEq for MetadataHash
impl PartialEq for MetadataHash
Source§fn eq(&self, other: &MetadataHash) -> bool
fn eq(&self, other: &MetadataHash) -> bool
Tests for
self and other values to be equal, and is used by ==.impl StructuralPartialEq for MetadataHash
Auto Trait Implementations§
impl Freeze for MetadataHash
impl RefUnwindSafe for MetadataHash
impl Send for MetadataHash
impl Sync for MetadataHash
impl Unpin for MetadataHash
impl UnsafeUnpin for MetadataHash
impl UnwindSafe for MetadataHash
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