fn init_admin(env: soroban_sdk::Env, account: soroban_sdk::Address)
fn set_pools_plane(
env: soroban_sdk::Env,
admin: soroban_sdk::Address,
plane: soroban_sdk::Address,
)
fn get_pools_plane(env: soroban_sdk::Env) -> soroban_sdk::Address
fn estimate_swap(
env: soroban_sdk::Env,
pools: soroban_sdk::Vec,
in_idx: u32,
out_idx: u32,
in_amount: u128,
) -> (soroban_sdk::Address, u128)
fn version(env: soroban_sdk::Env) -> u32
fn upgrade(env: soroban_sdk::Env, new_wasm_hash: soroban_sdk::BytesN<32>)