classdef Block < handle

properties

index % index of block

data % transcation data

previousHash % the previous hash

selfHash % current hash

nonce % random number

end

methods

function obj = Block(index, data, previousHash)

if nargin == 2 % genesis block!

obj.index = index ;

obj.data = data ;

elseif nargin == 3

obj.index = index ;

obj.data = data ;

obj.previousHash = previousHash;

end

end

% The function below converts all data on the block except 'nonce' and

% 'selfHash' into characters, which is then used to calculate selfHash.

function str = getCombined(obj)

str = strcat([num2str(obj.index), obj.previousHash, join(obj.data)]);

end

end