Struct UserCredits 

#[repr(C, packed(1))]
pub struct UserCredits {
    pub owner: [u8; 32],
    pub sol_balance: u64,
    pub usdc_balance: u64,
    pub bump: u8,
}

User prepaid credits account

Fields

owner: [u8; 32]

Public key of the wallet owner

sol_balance: u64

SOL balance in lamports

usdc_balance: u64

USDC balance (6 decimals)

bump: u8

PDA bump seed

Implementations

impl UserCredits

pub fn from_bytes(data: &[u8]) -> Result<&Self, SolMailError>

Zero-copy parse from account data

pub fn from_bytes_mut(data: &mut [u8]) -> Result<&mut Self, SolMailError>

Zero-copy mutable parse from account data

pub fn add_sol(&mut self, amount: u64) -> Result<(), SolMailError>

Add SOL credits

pub fn sub_sol(&mut self, amount: u64) -> Result<(), SolMailError>

Subtract SOL credits

pub fn add_usdc(&mut self, amount: u64) -> Result<(), SolMailError>

Add USDC credits

pub fn sub_usdc(&mut self, amount: u64) -> Result<(), SolMailError>

Subtract USDC credits

Trait Implementations

impl Clone for UserCredits

fn clone(&self) -> UserCredits

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for UserCredits

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

Formats the value using the given formatter.

impl Copy for UserCredits