// Sagechain AI - Token Program
use solana_program::{
    account_info::{next_account_info, AccountInfo},
    entrypoint,
    entrypoint::ProgramResult,
    msg,
    program_error::ProgramError,
    pubkey::Pubkey,
    program_pack::{Pack, IsInitialized},
    sysvar::{rent::Rent, Sysvar},
};

// Program entrypoint
entrypoint!(process_instruction);

pub fn process_instruction(
    program_id: &Pubkey,
    accounts: &[AccountInfo],
    instruction_data: &[u8],
) -> ProgramResult {
    let instruction = TokenInstruction::unpack(instruction_data)?;
    
    match instruction {
        TokenInstruction::InitializeMint { decimals, mint_authority } => {
            msg!("Instruction: Initialize Mint");
            process_initialize_mint(accounts, decimals, mint_authority, program_id)
        },
        TokenInstruction::Transfer { amount } => {
            msg!("Instruction: Transfer");
            process_transfer(accounts, amount, program_id)
        }
    }
}