Crate light_compressed_account 

light-compressed-account

Compressed account struct and utility types for Light Protocol.

Type	Description
CompressedAccountError	Error codes 12001–12025 for account operations
QueueType	Nullifier, address, and state queue variants
TreeType	State and address tree version variants
CpiSigner	Program ID, CPI signer pubkey, and bump
address	Address derivation and seed structs
compressed_account	Core compressed account struct
constants	Program IDs and account discriminators as byte arrays
discriminators	Instruction discriminators for invoke, invoke_cpi, and queue operations
instruction_data	Instruction data types and proof structs
nullifier	Nullifier computation
pubkey	Pubkey struct (re-exported at root) and AsPubkey conversion trait
tx_hash	Transaction hash computation

Re-exports

pub use instruction_data::traits::InstructionDiscriminator;

pub use instruction_data::traits::LightInstructionData;

pub use pubkey::Pubkey;

Modules

address

compressed_account

constants

discriminators

hash_chain

instruction_data

nullifier

pubkey

tx_hash

vec

A contiguous growable array type with heap-allocated contents, written Vec<T>.

Macros

vec

Creates a Vec containing the arguments.

Structs

CpiSigner

Configuration struct containing program ID, CPI signer, and bump for Light Protocol

Vec

A contiguous growable array type, written as Vec<T>, short for ‘vector’.

Enums

CompressedAccountError

QueueType

TreeType

Constants

ADDRESS_MERKLE_TREE_TYPE_V1

ADDRESS_MERKLE_TREE_TYPE_V2

ADDRESS_QUEUE_TYPE_V1

ADDRESS_QUEUE_TYPE_V2

INPUT_STATE_QUEUE_TYPE_V2

NULLIFIER_QUEUE_TYPE_V1

OUTPUT_STATE_QUEUE_TYPE_V2

STATE_MERKLE_TREE_TYPE_V1

STATE_MERKLE_TREE_TYPE_V2

Functions

bigint_to_be_bytes_array

Converts the given ark_ff::BigUint into a big-endian byte array.

hash_to_bn254_field_size_be

Hashes the provided bytes with Keccak256 and ensures the result fits in the BN254 field by truncating the resulting hash to 31 bytes.

hashv_to_bn254_field_size_be