initial commit

Author: parthendo

.project

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>thrain</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+	</natures>
+</projectDescription>

bin/thrain/Block.class

@@ -0,0 +1,36 @@
+package thrain;
+import java.util.Arrays;
+
+/*This class is representation of what information shall each block have. The block also generates
+ * hash signature based on signature of previous block and the data present in the current block.
+ */
+
+public class Block {
+
+	//Previous Hash is the signature of the previous block used to maintain the list
+	private int previousHash;
+	//Transaction is the list of transactions we make
+	private String[] transactions;
+	
+	//Hash Previous Hash and transactions to get a new signature of the current block
+	//NOTE: The signature changes if any of the parameter of the hashCode function changes
+	private int currentBlockHash;
+	
+	Block(int previousHash, String [] transactions){
+		
+		this.previousHash = previousHash;
+		this.transactions = transactions;
+		
+		Object [] value = {Arrays.hashCode(transactions),previousHash};
+		this.currentBlockHash = Arrays.hashCode(value);
+	}
+	
+	public int getPreviousHash() {
+		
+		return previousHash;
+	}
+	
+	public String[] getTransaction() {
+		return transactions;
+	}
+}