fn cancel(env: soroban_sdk::Env, batch_id: u64) -> Result<(), soroban_sdk::Error>
fn approve(env: soroban_sdk::Env, batch_id: u64) -> Result<(), soroban_sdk::Error>
fn deposit(env: soroban_sdk::Env, batch_id: u64) -> Result<(), soroban_sdk::Error>
fn get_pool(env: soroban_sdk::Env) -> Result
fn withdraw(env: soroban_sdk::Env, batch_id: u64) -> Result<(), soroban_sdk::Error>
fn get_batch(
env: soroban_sdk::Env,
batch_id: u64,
) -> Result
fn initialize(
env: soroban_sdk::Env,
admin: soroban_sdk::Address,
asset: soroban_sdk::Address,
) -> Result<(), soroban_sdk::Error>
fn create_batch(
env: soroban_sdk::Env,
batch_id: u64,
saver: soroban_sdk::Address,
amount: i128,
) -> Result<(), soroban_sdk::Error>