| 45 | } |
| 46 | |
| 47 | fn genesis_block() -> Block { |
| 48 | println!("Start mining .... "); |
| 49 | let from = "0x0000".to_string(); |
| 50 | let to = "0x0000".to_string(); |
| 51 | let sign = "创世区块".to_string(); |
| 52 | let tx = Transaction::new(from, to, 0, 0, 0, sign); |
| 53 | let mut block = Block::new(vec![tx], PRE_HASH.to_string(), INIT_BITS); |
| 54 | |
| 55 | let header_ser = ProofOfWork::prepare_data(&mut block, 0); |
| 56 | block.hash = hash_str(&header_ser); |
| 57 | println!("Produced a new block!"); |
| 58 | |
| 59 | block |
| 60 | } |
| 61 | |
| 62 | pub fn add_block(&mut self, block: Block) { |
| 63 | Self::write_block(&mut (self.blocks_db), &block); |