Method prepare_data

code/chapter09/blockchain/blockchain2/core/src/pow.rs:63–66

准备区块头数据

(block: &mut Block, nonce: u32)

    // 准备区块头数据
    fn prepare_data(block: &mut Block, nonce: u32) -> Vec<u8> {
        block.header.nonce = nonce;
        serialize(&(block.header))
    }
}