Header

export interface Header { 
  readonly version: number; 
  readonly hash: Hash256String; 
  readonly previousBlockHash: Hash256String; 
  readonly merkleRoot: Hash256String; 
  readonly time: number; 
  readonly index: number; 
  readonly nonce: string; 
  readonly nextConsensus: AddressString; 
  readonly script: Witness; 
  readonly size: number; 
}