Contract b18d8a2d82f1a156edbd37e936f7a2afda58ca7e40a94e866adbd257d6468705

fn get_config(env: soroban_sdk::Env) -> BillingConfig

fn get_escrow(env: soroban_sdk::Env, job_id: u64) -> JobEscrow

fn open_escrow(
    env: soroban_sdk::Env,
    job_id: u64,
    max_units: u128,
    deposit_amount: u128,
    provider_wallet: soroban_sdk::Address,
)

fn close_escrow(env: soroban_sdk::Env, job_id: u64)

fn record_usage(env: soroban_sdk::Env, job_id: u64, units: u128)

fn initialize_config(
    env: soroban_sdk::Env,
    authority: soroban_sdk::Address,
    token: soroban_sdk::Address,
    treasury: soroban_sdk::Address,
    rate_per_unit: u128,
)