// The dummy caller address of an externally originated transaction.
const ORIGIN_ADDRESS = 0;

// Transaction hash prefixes.
const DECLARE_HASH_PREFIX = 'declare';
const DEPLOY_HASH_PREFIX = 'deploy';
const DEPLOY_ACCOUNT_HASH_PREFIX = 'deploy_account';
const INVOKE_HASH_PREFIX = 'invoke';
const L1_HANDLER_HASH_PREFIX = 'l1_handler';
