blockchain

package

v0.0.0-...-65ff5bd Latest Latest Go to latest Published: Mar 7, 2023 License: Apache-2.0 Imports: 17 Imported by: 0

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Repository

github.com/diiyw/chaingo

Links

Open Source Insights

Documentation ¶

Index ¶

type Block
- func DeserializeBlock(d []byte) *Block
- func NewBlock(prevHash []byte, height int) *Block
- func NewGenesisBlock(address string) *Block
- func (b *Block) Mining(txs []*Transaction)
- func (b *Block) Ore() []byte
- func (b *Block) Serialize() []byte
type Chain
- func CreateChain(address string) *Chain
- func OpenChain() *Chain
- func (c *Chain) AppendBlock(b *Block) error
- func (c *Chain) GetBlock(hash []byte) *Block
- func (c *Chain) GetTransaction(txId []byte) (Transaction, error)
- func (c *Chain) MineBlock(address string, txs []*Transaction)
- func (c *Chain) SignTransaction(tx *Transaction, privateKey ecdsa.PrivateKey)
- func (c *Chain) VerifyTransaction(tx *Transaction) bool
type Merkle
- func NewMerkle(data [][]byte) *Merkle
type MerkleNode
- func NewMerkleNode(left, right *MerkleNode, data []byte) *MerkleNode
type TXInput
type TXOutput
- func NewTXOutput(value int, address string) *TXOutput
- func (out *TXOutput) IsLockedWithKey(pubKeyHash []byte) bool
- func (out *TXOutput) Lock(address []byte)
type TXOutputs
- func DeserializeOutputs(data []byte) TXOutputs
- func (outs TXOutputs) Serialize() []byte
type Transaction
- func DeserializeTransaction(data []byte) Transaction
- func NewCoinbaseTx(to, data string) *Transaction
- func NewTransaction(w *wallet.Wallet, to string, amount int) *Transaction
- func (tx *Transaction) Hash() []byte
- func (tx Transaction) IsCoinbase() bool
- func (tx Transaction) Serialize() []byte
- func (tx *Transaction) Sign(privateKey ecdsa.PrivateKey, prevTXs map[string]Transaction)
- func (tx Transaction) String() string
- func (tx *Transaction) TrimmedCopy() Transaction
- func (tx *Transaction) Verify(prevTXs map[string]Transaction) bool
type UTXOSet
- func NewUTXOSet() UTXOSet
- func (u UTXOSet) AddTXOutputs(tx *Transaction)
- func (u UTXOSet) FindSpendableUTXO(pubKeyHash []byte, amount int) (int, map[string][]int)
- func (u UTXOSet) FindUTXO(address string) int
- func (u UTXOSet) Update(block *Block)

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

This section is empty.

Types ¶

type Block ¶

type Block struct {
	PrevHash     []byte         // 上一个区块的哈希值
	Timestamp    time.Time      // 区块创建时间
	Hash         []byte         // 区块哈希
	Nonce        int            // 当前计数器（挖矿使用）
	Height       int            // 当前区块高度
	Transactions []*Transaction // 区块中的交易记录
}

区块

func DeserializeBlock ¶

func DeserializeBlock(d []byte) *Block

解码区块

func NewBlock ¶

func NewBlock(prevHash []byte, height int) *Block

创建区块

func NewGenesisBlock ¶

func NewGenesisBlock(address string) *Block

创建创世块

func (*Block) Mining ¶

func (b *Block) Mining(txs []*Transaction)

func (*Block) Ore ¶

func (b *Block) Ore() []byte

提供给挖矿的数据

func (*Block) Serialize ¶

func (b *Block) Serialize() []byte

编码区块

type Chain ¶

type Chain struct {
	*leveldb.DB
	// contains filtered or unexported fields
}

func CreateChain ¶

func CreateChain(address string) *Chain

创建区块链

func OpenChain ¶

func OpenChain() *Chain

打开区块链

func (*Chain) AppendBlock ¶

func (c *Chain) AppendBlock(b *Block) error

添加区块到链中

func (*Chain) GetBlock ¶

func (c *Chain) GetBlock(hash []byte) *Block

通过区块的哈希值获取区块

func (*Chain) GetTransaction ¶

func (c *Chain) GetTransaction(txId []byte) (Transaction, error)

通过交易TxID获取交易

func (*Chain) MineBlock ¶

func (c *Chain) MineBlock(address string, txs []*Transaction)

挖矿

func (*Chain) SignTransaction ¶

func (c *Chain) SignTransaction(tx *Transaction, privateKey ecdsa.PrivateKey)

交易签名

func (*Chain) VerifyTransaction ¶

func (c *Chain) VerifyTransaction(tx *Transaction) bool

验证交易

type Merkle ¶

type Merkle struct {
	RootNode *MerkleNode
}

默克林树形结构

func NewMerkle ¶

func NewMerkle(data [][]byte) *Merkle

从字节数组中创建默克林树

type MerkleNode ¶

type MerkleNode struct {
	Left  *MerkleNode
	Right *MerkleNode
	Hash  []byte //节点的哈希值
}

默克林树的节点

func NewMerkleNode ¶

func NewMerkleNode(left, right *MerkleNode, data []byte) *MerkleNode

创建默克林节点

type TXInput ¶

type TXInput struct {
	TxId      []byte // 交易的hash值
	TxOut     int    // 输出的索引
	Signature []byte // 签名
	PubKey    []byte // 公钥
}

type TXOutput ¶

type TXOutput struct {
	V          int    // 输出多少币
	PubKeyHash []byte // 输出者的公钥
}

func NewTXOutput ¶

func NewTXOutput(value int, address string) *TXOutput

创建一个新的输出

func (*TXOutput) IsLockedWithKey ¶

func (out *TXOutput) IsLockedWithKey(pubKeyHash []byte) bool

检测输出是否是某签名签名过的

func (*TXOutput) Lock ¶

func (out *TXOutput) Lock(address []byte)

输出签名（锁定）

type TXOutputs ¶

type TXOutputs struct {
	Outputs []TXOutput
}

所有输出

func DeserializeOutputs ¶

func DeserializeOutputs(data []byte) TXOutputs

解码输出

func (TXOutputs) Serialize ¶

func (outs TXOutputs) Serialize() []byte

编码输出

type Transaction ¶

type Transaction struct {
	Id        []byte    // 交易的hash值
	Inputs    []TXInput // 交易的所有输入(指明引用了哪个输出)
	TXOutputs           // 交易的所有输出
}

func DeserializeTransaction ¶

func DeserializeTransaction(data []byte) Transaction

交易解码输出

func NewCoinbaseTx ¶

func NewCoinbaseTx(to, data string) *Transaction

创建coinbase交易

func NewTransaction ¶

func NewTransaction(w *wallet.Wallet, to string, amount int) *Transaction

创建交易

func (*Transaction) Hash ¶

func (tx *Transaction) Hash() []byte

func (Transaction) IsCoinbase ¶

func (tx Transaction) IsCoinbase() bool

检查是否是coinbase交易

func (Transaction) Serialize ¶

func (tx Transaction) Serialize() []byte

编码交易

func (*Transaction) Sign ¶

func (tx *Transaction) Sign(privateKey ecdsa.PrivateKey, prevTXs map[string]Transaction)

对交易进行私钥签名(要取输出的公钥一起加密)

func (Transaction) String ¶

func (tx Transaction) String() string

可视化输出交易信息

func (*Transaction) TrimmedCopy ¶

func (tx *Transaction) TrimmedCopy() Transaction

复制交易（避免修改到原交易信息）

func (*Transaction) Verify ¶

func (tx *Transaction) Verify(prevTXs map[string]Transaction) bool

type UTXOSet ¶

type UTXOSet struct {
	*leveldb.DB
}

未花掉的输出（相对接受者就是输入）

func NewUTXOSet ¶

func NewUTXOSet() UTXOSet

创建UTXO集合

func (UTXOSet) AddTXOutputs ¶

func (u UTXOSet) AddTXOutputs(tx *Transaction)

添加花费的输出（没有就创建）

func (UTXOSet) FindSpendableUTXO ¶

func (u UTXOSet) FindSpendableUTXO(pubKeyHash []byte, amount int) (int, map[string][]int)

找到可用的UTXO

func (UTXOSet) FindUTXO ¶

func (u UTXOSet) FindUTXO(address string) int

获取余额

func (UTXOSet) Update ¶

func (u UTXOSet) Update(block *Block)

更新utxo集

Source Files ¶

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