First correct working serialization.

src/main.rs

@@ -0,0 +1,40 @@
+use Wyrd::{Blockchain, Block, Transaction, Signature, Hash};
+use Wyrd::transaction::Action;
+
+fn main() {
+    println!("Wyrd DNS 0.1.0");
+    test_blockchain()
+}
+
+fn test_blockchain() -> () {
+    let mut blockchain = Blockchain::new(42, 0);
+    println!("Blockchain with genesis block has been created");
+    let signature = Signature::from_file("default.key", "").unwrap();
+
+    // Creating transaction
+    let action = Action::new_domain("test.zz".to_owned(), &signature, vec!["AAAA IN 301:2925::1".to_owned()], vec![], 365);
+    let mut transaction = Transaction::new(action, signature.get_public().clone());
+
+    // Signing it with private key from Signature
+    let sign_hash = signature.sign(&transaction.get_bytes());
+    transaction.set_signature(Hash::new(sign_hash));
+
+    // Creating a block with that signed transaction
+    let mut block = blockchain.new_block(transaction);
+
+    // Mining the nonce
+    block.mine();
+
+    // Our block is ready, we can print it and add to Blockchain
+    let s = serde_json::to_string(&block).unwrap();
+    println!("Serialized block:\n{}", s);
+    blockchain.add_block(block);
+    println!("Second block added");
+
+    // Let's check if the blockchain is valid
+    if blockchain.check() {
+        println!("Blockchain is correct");
+    } else {
+        println!("Blockchain is corrupted, aborting");
+    }
+}