[学习笔记] 比特币交易的数据结构

/**
 * An output of a transaction.  It contains the public key that the next input
 * must be able to sign with to claim it.
 */
class CTxOut {
public:
    Amount nValue;         // UTXO的币值，8字节整数，单位是聪
    CScript scriptPubKey;  // 锁定脚本

    ......
};

struct Amount {
private:
    int64_t amount;

    ......
};

/**
 * An input of a transaction. It contains the location of the previous
 * transaction's output that it claims and a signature that matches the output's
 * public key.
 */
class CTxIn {
public:
    COutPoint prevout;  // UTXO的来源，包含一个交易哈希和一个索引号，用来表示哪笔交易的第几个输出
    CScript scriptSig;  // 解锁脚本
    uint32_t nSequence;

    ......
};

/**
 * An outpoint - a combination of a transaction hash and an index n into its
 * vout.
 */
class COutPoint {
private:
    TxId txid;  // 交易哈希
    uint32_t n; // 输出的序号

    ......
};

/**
 * The basic transaction that is broadcasted on the network and contained in
 * blocks. A transaction can contain multiple inputs and outputs.
 */
class CTransaction {
public:
    const int32_t nVersion;          // 交易结构的版本标识，4字节
    const std::vector<CTxIn> vin;    // 输入数组
    const std::vector<CTxOut> vout;  // 输出数组
    const uint32_t nLockTime;

    ......

private:
    const uint256 hash;              // 交易的哈希

    ......
};

Type Time {
    uint32_t hour;
    uint32_t minute;
    uint32_t second;
};

Time t;
t.hour = 20;    // 00 00 00 14
t.minute = 35;  // 00 00 00 23
t.second = 10;  // 00 00 00 0a

00 00 00 14 00 00 00 23 00 00 00 0a

14 00 00 00 23 00 00 00 0a 00 00 00

60e31600000000001976a914ab68025513c3dbd2f7b92a94e0581f5d50f654e788ac

186f9f998a5aa6f048e51dd8419a14d8a0f1a8a2836dd734d2804fe65fa35779
00000000
8b
483045022100884d142d86652a3f47ba4746ec719bbfbd040a570b1deccbb6498c75c4ae24cb02204b9f039ff08df09cbe9f6addac960298cad530a863ea8f53982c09db8f6e381301410484ecc0d46f1918b30928fa0e4ed99f16a0fb4fde0735e7ade8416ab9fe423cc5412336376789d172787ec3457eee41c04f4938de5cc17b4a10fa336a8d752adf
ffffffff

01000000
01
186f9f998a5aa6f048e51dd8419a14d8a0f1a8a2836dd734d2804fe65fa35779
00000000
8b
483045022100884d142d86652a3f47ba4746ec719bbfbd040a570b1deccbb6498c75c4ae24cb02204b9f039ff08df09cbe9f6addac960298cad530a863ea8f53982c09db8f6e381301410484ecc0d46f1918b30928fa0e4ed99f16a0fb4fde0735e7ade8416ab9fe423cc5412336376789d172787ec3457eee41c04f4938de5cc17b4a10fa336a8d752adf
ffffffff
02
60e3160000000000
19
76a914ab68025513c3dbd2f7b92a94e0581f5d50f654e788ac
d0ef800000000000
19
76a9147f9b1a7fb68d60c536c2fd8aeaa53a8f3cc025a888ac
00000000

60e3160000000000 19 76a914ab68025513c3dbd2f7b92a94e0581f5d50f654e788ac