const op::offer_storage_contract = 0x107c49ef;
const op::deploy_storage_contract = 0xe4748df1;
const op::close_contract = 0x79f937ea;
const op::contract_deployed = 0xbf7bd0c1;
const op::storage_contract_confirmed = 0xd4caedcd;
const op::reward_withdrawal = 0xa91baf56;
const op::storage_contract_terminated = 0xb6236d63;
const op::accept_storage_contract = 0x7a361688;
const op::withdraw = 0x46ed2e94;
const op::proof_storage = 0x419d5d4d;

const op::update_pubkey = 0x53f34cd6;
const op::update_storage_params = 0x54cbf19b;

const error::not_enough_money = 1001;
const error::unauthorized = 401;
const error::wrong_proof = 1002;
const error::contract_not_active = 1003;
const error::file_too_small = 1004;
const error::file_too_big = 1005;
const error::no_new_contracts = 1006;
const error::contract_already_active = 1007;
const error::no_microchunk_hash = 1008;
const error::provider_params_changed = 1009;