merkle root

verification/src/chain_verifier.rs

@@ -77,12 +77,17 @@ impl Verify for ChainVerifier {
 			return Err(Error::Timestamp);
 		}
 
+		// verify merkle root
+		if block.merkle_root() != block.header().merkle_root_hash {
+			return Err(Error::MerkleRoot);
+		}
+
 		// check first transaction is a coinbase transaction
 		if !block.transactions()[0].is_coinbase() {
 			return Err(Error::Coinbase)
 		}
 
-		// verify transactions
+		// verify transactions (except coinbase)
 		for (idx, transaction) in block.transactions().iter().skip(1).enumerate() {
 			try!(self.verify_transaction(transaction).map_err(|e| Error::Transaction(idx, e)));
 		}
@@ -197,4 +202,6 @@ mod tests {
 		assert_eq!(Chain::Main, verifier.verify(&b1).unwrap());
 	}
 
+
+
 }

verification/src/lib.rs

@@ -38,7 +38,9 @@ pub enum Error {
 	/// One of the transactions is invalid (corresponding index and specific transaction error)
 	Transaction(usize, TransactionError),
 	/// nBits do not match difficulty rules
-	Difficulty
+	Difficulty,
+	/// Invalid merkle root
+	MerkleRoot,
 }
 
 #[derive(Debug)]