initial

src/blockchain.rs

@@ -769,4 +769,10 @@ mod tests {
 			assert_eq!(bc.best_block_hash(), b1_hash);
 		}
 	}
+
+	#[test]
+	fn can_consist_of_random_blocks() {
+		let bc = generate_dummy_blockchain(100);
+		assert_eq!(bc.best_block_hash(), 0);
+	}
 }

src/tests/helpers.rs

@@ -4,6 +4,7 @@ use super::test_common::*;
 use std::path::PathBuf;
 use spec::*;
 use std::fs::{remove_dir_all};
+use blockchain:{BlockChain};
 
 
 pub struct RandomTempPath {
@@ -78,3 +79,9 @@ pub fn generate_dummy_client(block_number: usize) -> Arc<Client> {
 	client.import_verified_blocks(&IoChannel::disconnected());
 	client
 }
+
+pub fn generate_dummy_blockchain(block_number: usize) -> BlockChain {
+	let temp = RandomTempPath::new();
+	let bc = BlockChain::new(&("fffffff".from_hex().unwrap()), temp.as_path());
+	bc
+}