fn initialize(env: soroban_sdk::Env, admin: soroban_sdk::Address)
fn balance(env: soroban_sdk::Env, user: soroban_sdk::Address) -> i128
fn transfer(
env: soroban_sdk::Env,
from: soroban_sdk::Address,
to: soroban_sdk::Address,
amount: i128,
)
fn burn(env: soroban_sdk::Env, from: soroban_sdk::Address, amount: i128)
fn mint(
env: soroban_sdk::Env,
admin: soroban_sdk::Address,
to: soroban_sdk::Address,
amount: i128,
)