anchor.diff:  
     TNodeHelper = class helper for TNode
      function HasBestKnownBlockchainTip: boolean;
  +   function BlockTip : Cardinal;
  +   function GetAccount(AAccountNumber : Cardinal; AIncludePending : boolean = true) : TAccount;
  +   function GetAccounts(const AAccountNumbers : array of Cardinal; AIncludePending : boolean = true) : TArray<TAccount>;
  +   function GetPendingOperationsAffectingAccounts(const AAccountNumbers: array of Cardinal; ASkipCount, ATakeCount : Integer) : TArray<TOperationResume>;
  +   function GetStoredOperationsAffectingAccounts(const AAccountNumbers : array of Cardinal; ABlockDepth, ASkipCount, ATakeCount : Integer; AUsePendingBalance : boolean = true) : TArray<TOperationResume>;
     end;
   
     { TAccountHelper }
  
positive.code:   end;
  end;
  
  
  { TAccountComparer }
  
  
negative.code: implementation
  
  uses
    UMemory, UConst, UWallet, UECIES, UAES, ULog;
  
  { TCoreTool }
  
  