block

package
v0.0.0-...-ae785a1 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Oct 31, 2019 License: GPL-3.0 Imports: 19 Imported by: 0

Documentation

Index

Constants

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const Subsidy = 100

挖矿奖励金

Variables

View Source 
var (
	CURRENT_USER, _ = osuser.Current()
)

Functions

func ClearPendingPool 

func ClearPendingPool()

func CreateBlockchain 

func CreateBlockchain(wif string, callback func(*Blockchain))

new blockchain with genesis Block

func DeleteBlockchain 

func DeleteBlockchain() error

func FindAllUnpackTransaction 

func FindAllUnpackTransaction() map[string][]*Transaction

func GetBalance 

func GetBalance(address string) int64

func GetBlockHeight 

func GetBlockHeight() int64

func GetMaxUnpackNonce 

func GetMaxUnpackNonce(transactions []*Transaction) int64

func NewGenesisBlock 

func NewGenesisBlock(trans *Transaction, coinbase string, callback func(*Block, *MerkleTree))

NewGenesisBlock creates and returns genesis Block

func PrintChain 

func PrintChain()

func RegisterSCBTypes 

func RegisterSCBTypes()

func RevertTo 

func RevertTo(Height int64)

revert block chain to specific height

func SavePendingBlock 

func SavePendingBlock(block *Block)

func SaveSinglePendingBlock 

func SaveSinglePendingBlock(block *Block)

Types

type Account 

type Account struct {
	Address string
	Balance int64
	Nonce   int64
	Index   int64
}

func DeserializeAccount 

func DeserializeAccount(d []byte) *Account

Deserializes a Account

func FindAccount 

func FindAccount(accounts []*Account, address string) *Account

func GetAccount 

func GetAccount(address string) *Account

func GetAllAccount 

func GetAllAccount() []*Account

func InitAccount 

func InitAccount(address string, idx int64) *Account

func NewAccount 

func NewAccount(address string, balance, nonce, index int64) *Account

func (*Account) Serialize 

func (a *Account) Serialize() []byte

Serializes the account

type AccountIncreaseMent 

type AccountIncreaseMent struct {
	ChangedAccount []*Account
	NewAccount     []*Account
}

func DeserializeAccountIncreasement 

func DeserializeAccountIncreasement(d []byte) *AccountIncreaseMent

Deserializes account increasement

func (*AccountIncreaseMent) Serialize 

func (a *AccountIncreaseMent) Serialize() []byte

Serializes the account increasement

type Block 

type Block struct {
	Header       BlockHeader
	Transactions []*Transaction
	Content      []byte
}

func DeserializeBlock 

func DeserializeBlock(d []byte) *Block

Deserializes a block

func GetLastBlock 

func GetLastBlock() *Block

func GetPendingBlock 

func GetPendingBlock(blockHash []byte) *Block

func GetSinglePendingBlock 

func GetSinglePendingBlock(blockHash []byte) *Block

func (*Block) DeleteTransactions 

func (block *Block) DeleteTransactions()

func (*Block) GetAccountTree 

func (b *Block) GetAccountTree(preprocess bool) *MerkleTree

func (*Block) HashTransactions 

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

Hash transactions with merkle tree

func (*Block) PreProcessAccountBalance 

func (block *Block) PreProcessAccountBalance(accounts []*Account) ([]*Account, []*Account)

func (*Block) SaveAccounts 

func (block *Block) SaveAccounts()

func (*Block) SaveTransactions 

func (block *Block) SaveTransactions()

func (*Block) Serialize 

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

Serializes the block

func (*Block) Sign 

func (b *Block) Sign(privKey *elliptic.PrivateKey) *Block

func (*Block) VerifyCoinbase 

func (block *Block) VerifyCoinbase() bool

func (*Block) VerifyHash 

func (block *Block) VerifyHash() bool

func (*Block) VerifyMerkleHash 

func (block *Block) VerifyMerkleHash() bool

func (*Block) VerifyPow 

func (block *Block) VerifyPow(preprocess bool) bool

func (*Block) VerifyPowV2 

func (block *Block) VerifyPowV2(prevStateTree *MerkleTree) bool

func (*Block) VerifyTransaction 

func (block *Block) VerifyTransaction() bool

type BlockChainPending 

type BlockChainPending struct {
	Head []byte
	Tail *BlockChainPendingTail
}

func (*BlockChainPending) ConvertPendingBlockchain2Blocks 

func (bc *BlockChainPending) ConvertPendingBlockchain2Blocks() []*Block

func (*BlockChainPending) GetLastBlock 

func (bc *BlockChainPending) GetLastBlock() *Block

type BlockChainPendingTail 

type BlockChainPendingTail struct {
	// contains filtered or unexported fields
}

type BlockContent 

type BlockContent struct {
	X   []byte
	Dup bool
}

implements the Content interface provided by merkletree and represents the content stored in the tree.

func (BlockContent) CalculateHash 

func (t BlockContent) CalculateHash() ([]byte, error)

CalculateHash hashes the values of a TestContent

func (BlockContent) Equals 

func (t BlockContent) Equals(other BlockContent) (bool, error)

Equals tests for equality of two Contents

func (BlockContent) IsDup 

func (t BlockContent) IsDup() (bool, error)

func (BlockContent) SetDup 

func (t BlockContent) SetDup(dup bool) BlockContent

type BlockHeader 

type BlockHeader struct {
	Timestamp             int64
	Difficulty            int64
	PrevBlockHash         []byte
	Hash                  []byte
	Nonce                 int64
	Height                int64
	Coinbase              string
	MerkleRootHash        []byte
	MerkleRootAccountHash []byte
	// MerkleRootAccountGasHash []byte
	Signature []byte
}

func (BlockHeader) HashString 

func (h BlockHeader) HashString() string

type Blockchain 

type Blockchain struct {
	// contains filtered or unexported fields
}

func CreateEmptyBlockchain 

func CreateEmptyBlockchain() *Blockchain

new empty blockchain, just the db initialized.

func LoadBlockchain 

func LoadBlockchain() *Blockchain

load Blockchain from db

func (*Blockchain) AcceptNewBlock 

func (bc *Blockchain) AcceptNewBlock(block *Block, st *MerkleTree)

func (*Blockchain) AcceptNewPendingChain 

func (bc *Blockchain) AcceptNewPendingChain(chain *BlockChainPending)

func (*Blockchain) CombineBlock 

func (bc *Blockchain) CombineBlock(block *Block)

func (*Blockchain) DeleteTransaction 

func (bc *Blockchain) DeleteTransaction(trans *Transaction)

func (*Blockchain) FindUnpackTransaction 

func (bc *Blockchain) FindUnpackTransaction(address string) []*Transaction

func (*Blockchain) FindUnpackTransactionById 

func (bc *Blockchain) FindUnpackTransactionById(id []byte) *Transaction

func (*Blockchain) GetBlock 

func (bc *Blockchain) GetBlock(height int64) *Block

func (*Blockchain) GetBlockByHash 

func (bc *Blockchain) GetBlockByHash(hash []byte) *Block

func (*Blockchain) GetBlockByHeight 

func (bc *Blockchain) GetBlockByHeight(height int64) *Block

func (*Blockchain) HasBlock 

func (bc *Blockchain) HasBlock(hash []byte) *Block

func (*Blockchain) Iterator 

func (bc *Blockchain) Iterator() *BlockchainIterator

Iterator returns a BlockchainIterat

func (*Blockchain) MineBlock 

func (bc *Blockchain) MineBlock(wif string, transactions []*Transaction, callback func(*Block, *MerkleTree)) *ProofOfWork

MineBlock mines a new block with the provided transactions

func (*Blockchain) SaveTransaction 

func (bc *Blockchain) SaveTransaction(trans *Transaction)

func (*Blockchain) VerifyBlockHash 

func (bc *Blockchain) VerifyBlockHash(b *Block) bool

type BlockchainIterator 

type BlockchainIterator struct {
	// contains filtered or unexported fields
}

BlockchainIterator is used to iterate over blockchain blocks

func (*BlockchainIterator) Next 

func (i *BlockchainIterator) Next() *Block

Next returns next block starting from the tip

type BlockchainPendingPool 

type BlockchainPendingPool struct {
	Root          []byte
	RootHeight    int64
	RootStateTree *MerkleTree
	PendingChains []*BlockChainPending
}

func LoadPendingPool 

func LoadPendingPool() *BlockchainPendingPool

func (*BlockchainPendingPool) AcceptBlock 

func (bcp *BlockchainPendingPool) AcceptBlock(block *Block) *BlockChainPending

func (*BlockchainPendingPool) ConnectSinglePendingPool 

func (bcp *BlockchainPendingPool) ConnectSinglePendingPool(block *Block, rootBlock *Block, pendlingLength byte, blocktailHash []byte) (byte, []byte)

func (*BlockchainPendingPool) DerivationPendingTree 

func (bcp *BlockchainPendingPool) DerivationPendingTree(block *Block) *MerkleTree

func (*BlockchainPendingPool) FindRootBlock 

func (bcp *BlockchainPendingPool) FindRootBlock(block *Block) (byte, *Block)

func (*BlockchainPendingPool) GetBlockPendingChains 

func (bcp *BlockchainPendingPool) GetBlockPendingChains(block *Block) *BlockChainPending

func (*BlockchainPendingPool) GetLongChain 

func (bcp *BlockchainPendingPool) GetLongChain() *BlockChainPending

func (*BlockchainPendingPool) MineBlock 

func (bcp *BlockchainPendingPool) MineBlock(wif string, transactions []*Transaction, callback func(*Block, *MerkleTree)) *ProofOfWork

func (*BlockchainPendingPool) SavePendingBlockDetails 

func (bcp *BlockchainPendingPool) SavePendingBlockDetails(block *Block) (byte, []byte, *Block)

type MerkleTree 

type MerkleTree struct {
	Root *Node

	Leafs []*Node
	// contains filtered or unexported fields
}

func DeserializeNodeFromData 

func DeserializeNodeFromData(d []byte) *MerkleTree

反序列化数据为merkle树

func GetLastMerkleTree 

func GetLastMerkleTree() *MerkleTree

func GetMerkleTreeByHeight 

func GetMerkleTreeByHeight(height int64) *MerkleTree

func InitGenesisStateTree 

func InitGenesisStateTree(coinbase string) *MerkleTree

func NewTree 

func NewTree(cs []BlockContent) (*MerkleTree, error)

func (*MerkleTree) BreadthFirstSerialize 

func (m *MerkleTree) BreadthFirstSerialize() []byte

广度优先序列化merkle树

func (*MerkleTree) Depth 

func (m *MerkleTree) Depth() int64

树深度

func (*MerkleTree) DeserializeAccount 

func (m *MerkleTree) DeserializeAccount() []*Account

func (*MerkleTree) FindInsertPoint 

func (m *MerkleTree) FindInsertPoint() *Node

寻找merkle的插入节点

func (*MerkleTree) GetContentPath 

func (m *MerkleTree) GetContentPath(content BlockContent) ([][]byte, error)

通过回溯兄弟节点获取Content的证明路径

func (*MerkleTree) GetNodePath 

func (m *MerkleTree) GetNodePath(node *Node) ([][]byte, error)

通过回溯兄弟节点获取节点的证明路径

func (*MerkleTree) InsertContent 

func (m *MerkleTree) InsertContent(content BlockContent) *MerkleTree

merkle插入新的节点

  1. 若能找到插入节点, 更新此插入节点的content, 并更新回溯路径
  2. 若未能找到插入点，构建当前merkle 右子树 并与当前树合并

func (*MerkleTree) LeafCount 

func (m *MerkleTree) LeafCount() int64

树叶子节点的数量

func (*MerkleTree) MergeTree 

func (left *MerkleTree) MergeTree(right *MerkleTree) (*MerkleTree, error)

merge 左右两颗结构一致的树为新树

func (*MerkleTree) MerkleRoot 

func (m *MerkleTree) MerkleRoot() []byte

func (*MerkleTree) RebuildTree 

func (m *MerkleTree) RebuildTree() error

func (*MerkleTree) RebuildTreeWith 

func (m *MerkleTree) RebuildTreeWith(cs []BlockContent) error

func (*MerkleTree) String 

func (m *MerkleTree) String() string

func (*MerkleTree) UpdateNode 

func (m *MerkleTree) UpdateNode(node *Node, content BlockContent, paths [][]byte)

根据证明路径更新节点

func (*MerkleTree) UpdateTree 

func (m *MerkleTree) UpdateTree(changedAccounts []*Account, newAccounts []*Account) (*MerkleTree, error)

func (*MerkleTree) VerifyContent 

func (m *MerkleTree) VerifyContent(content BlockContent) (bool, error)

func (*MerkleTree) VerifyTree 

func (m *MerkleTree) VerifyTree() (bool, error)

type Node 

type Node struct {
	Parent *Node
	Left   *Node
	Right  *Node

	Hash []byte
	C    BlockContent
	// contains filtered or unexported fields
}

func GetNodeBrother 

func GetNodeBrother(node *Node) *Node

获取节点的兄弟节点

type NodeShadow 

type NodeShadow struct {
	Leaf    bool
	Dup     bool
	Virtual bool
	Hash    []byte
	C       BlockContent
}

func DeserializeNode 

func DeserializeNode(d []byte) *NodeShadow

func (*NodeShadow) Serialize 

func (n *NodeShadow) Serialize() []byte

type ProofOfWork 

type ProofOfWork struct {
	Cancelled chan struct{}
	Done      chan []byte
	// contains filtered or unexported fields
}

ProofOfWork represents a proof-of-work

func Mine 

func Mine(wif string, callback func(*Block), processedSign func()) *ProofOfWork

func NewBlock 

func NewBlock(transactions []*Transaction, prevBlockHash []byte, height int64, coinbase string, callback func(*Block, *MerkleTree)) *ProofOfWork

NewBlock creates and returns Block

func NewBlockV2 

func NewBlockV2(transactions []*Transaction, prevBlockHash []byte, height int64, coinbase string, prevStateTree *MerkleTree, callback func(*Block, *MerkleTree)) *ProofOfWork

func NewProofOfWork 

func NewProofOfWork(b *Block) *ProofOfWork

NewProofOfWork builds and returns a ProofOfWork

func (*ProofOfWork) IsFinished 

func (pow *ProofOfWork) IsFinished() bool

func (*ProofOfWork) Run 

func (pow *ProofOfWork) Run(callback func(int64, []byte))

Run performs a proof-of-work

func (*ProofOfWork) Runv2 

func (pow *ProofOfWork) Runv2(merkleRoot []byte, callback func(int64, []byte))

Run performs a proof-of-work

func (*ProofOfWork) Stop 

func (pow *ProofOfWork) Stop()

type Transaction 

type Transaction struct {
	ID        []byte
	Nonce     int64
	From      string
	To        string
	Amount    int64
	Signature []byte
}

Transaction represents a Bitcoin transaction

func DeserializeTransction 

func DeserializeTransction(d []byte) *Transaction

Deserializes Transaction

func NewTransaction 

func NewTransaction(nonce, amount int64, from, to string) *Transaction

func SendTo 

func SendTo(from, to string, amount int64, wif string) *Transaction

func (*Transaction) IDString 

func (tx *Transaction) IDString() string

func (Transaction) Serialize 

func (tx Transaction) Serialize() []byte

Serialized Transaction

func (*Transaction) SetID 

func (tx *Transaction) SetID()

func (*Transaction) Sign 

func (tx *Transaction) Sign(privKey *elliptic.PrivateKey) *Transaction

func (*Transaction) Verify 

func (tx *Transaction) Verify() bool

Source Files

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