Struct AddressAllocator

#[repr(C)]
pub struct AddressAllocator {
    pub next_address: u64,
    pub max_address: u64,
}

Fields

next_address: u64

Next address to be allocated on this shard

max_address: u64

Max address to be allocated on this shard

Implementations

impl AddressAllocator

pub fn new(env: &Env) -> Self

Initialize address allocator for a shard

pub fn allocate_address( &mut self, env: &mut Env, ) -> Result<Address, ContractError>

Allocate a new address for a contract.

This can only be called by Address::SYSTEM_CODE contract.

Trait Implementations

impl Clone for AddressAllocator

fn clone(&self) -> AddressAllocator

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Contract for AddressAllocator

const MAIN_CONTRACT_METADATA: &[u8]

Main contract metadata, see ContractMetadataKind for encoding details.

const CRATE_NAME: &str = "ab-system-contract-address-allocator"

Name of the crate where contact is located.

type Slot = ()

Slot type used by this contract

type Tmp = ()

Tmp type used by this contract

impl TrivialType for AddressAllocator

where u64: TrivialType,

const METADATA: &[u8]

Data structure metadata in binary form, describing shape and types of the contents, see IoTypeMetadataKind for encoding details.

const SIZE: u32 = _

unsafe fn from_bytes(bytes: &[u8]) -> Option<&Self>

Create a reference to a type, which is represented by provided memory.

unsafe fn from_bytes_mut(bytes: &mut [u8]) -> Option<&mut Self>

Create a mutable reference to a type, which is represented by provided memory.

fn as_bytes(&self) -> &[u8]

Access underlying byte representation of a data structure

unsafe fn as_bytes_mut(&mut self) -> &mut [u8]

Access underlying mutable byte representation of a data structure.

impl Copy for AddressAllocator