@polkadot/types/extrinsic/constants.js

Implementation of the Parity codec

export const BIT_SIGNED = 0b10000000;
export const BIT_UNSIGNED = 0;
export const EMPTY_U8A = new Uint8Array();
export const DEFAULT_VERSION = 4;
export const IMMORTAL_ERA = new Uint8Array([0]);
export const UNMASK_VERSION = 0b01111111;