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View Code? Open in Web Editor NEWA Simple Java Blockchain for educational purposes.
License: MIT License
A Simple Java Blockchain for educational purposes.
License: MIT License
instead of the loop
you can use a java stream: in stringutil class
IntStream.range(0,hash.length).mapToObj(i->Integer.toHexString(0xff&hash[i]))
.map(hex->hex.length()==1?hexString.append('0'):hexString.append(hex)).count();
I think we need to add a statement
this.timeStamp = new Date().getTime();
else this calculateHash() always the same hash, can't break while loop.
public String calculateHash() {
this.timeStamp = new Date().getTime();
String calculatedhash = StringUtil.applySha256(
previousHash +
Long.toString(timeStamp) +
data
);
return calculatedhash;
}
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