blockchain

package

v0.0.0-...-94e4465 Latest Latest Go to latest Published: Apr 24, 2022 License: MIT Imports: 12 Imported by: 0

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Repository

github.com/Marc-Baude/Go-Blockchain

Links

Open Source Insights

Documentation ¶

Index ¶

Constants
func DBexists() bool
func Handle(err error)
func ToHex(num int64) []byte
type Block
- func CreateBlock(txs []*Transaction, prevHash []byte) *Block
- func Deserialize(data []byte) *Block
- func Genesis(coinbase *Transaction) *Block
- func (b *Block) HashTransactions() []byte
- func (b *Block) Serialize() []byte
type BlockChain
- func ContinueBlockChain(address string) *BlockChain
- func InitBlockChain(address string) *BlockChain
- func (chain *BlockChain) AddBlock(transaction []*Transaction)
- func (chain *BlockChain) FindSpendableOutputs(address string, amount int) (int, map[string][]int)
- func (chain *BlockChain) FindUTXO(address string) []TxOutput
- func (chain *BlockChain) FindUnspentTransactions(address string) []Transaction
- func (chain *BlockChain) Iterator() *BlockChainIterator
type BlockChainIterator
- func (iter *BlockChainIterator) Next() *Block
type ProofOfWork
- func NewProof(b *Block) *ProofOfWork
- func (pow *ProofOfWork) InitData(nonce int) []byte
- func (pow *ProofOfWork) Run() (int, []byte)
- func (pow *ProofOfWork) Validate() bool
type Transaction
- func CoinbaseTx(to, data string) *Transaction
- func NewTransaction(from, to string, amount int, chain *BlockChain) *Transaction
- func (tx *Transaction) IsCoinbase() bool
- func (tx *Transaction) SetID()
type TxInput
- func (in *TxInput) CanUnlock(data string) bool
type TxOutput
- func (out *TxOutput) CanBeUnlocked(data string) bool

Constants ¶

View Source

const Difficutly = 20

Variables ¶

This section is empty.

Functions ¶

func DBexists ¶

func DBexists() bool

func Handle ¶

func Handle(err error)

func ToHex ¶

func ToHex(num int64) []byte

Types ¶

type Block ¶

type Block struct {
	Hash         []byte
	Transactions []*Transaction
	PrevHash     []byte
	Nonce        int
}

func CreateBlock ¶

func CreateBlock(txs []*Transaction, prevHash []byte) *Block

func Deserialize ¶

func Deserialize(data []byte) *Block

func Genesis ¶

func Genesis(coinbase *Transaction) *Block

func (*Block) HashTransactions ¶

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

func (*Block) Serialize ¶

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

type BlockChain ¶

type BlockChain struct {
	LastHash []byte
	Database *badger.DB
}

func ContinueBlockChain ¶

func ContinueBlockChain(address string) *BlockChain

func InitBlockChain ¶

func InitBlockChain(address string) *BlockChain

func (*BlockChain) AddBlock ¶

func (chain *BlockChain) AddBlock(transaction []*Transaction)

func (*BlockChain) FindSpendableOutputs ¶

func (chain *BlockChain) FindSpendableOutputs(address string, amount int) (int, map[string][]int)

func (*BlockChain) FindUTXO ¶

func (chain *BlockChain) FindUTXO(address string) []TxOutput

func (*BlockChain) FindUnspentTransactions ¶

func (chain *BlockChain) FindUnspentTransactions(address string) []Transaction

func (*BlockChain) Iterator ¶

func (chain *BlockChain) Iterator() *BlockChainIterator

type BlockChainIterator ¶

type BlockChainIterator struct {
	CurrentHash []byte
	Database    *badger.DB
}

func (*BlockChainIterator) Next ¶

func (iter *BlockChainIterator) Next() *Block

type ProofOfWork ¶

type ProofOfWork struct {
	Block  *Block
	Target *big.Int
}

func NewProof ¶

func NewProof(b *Block) *ProofOfWork

func (*ProofOfWork) InitData ¶

func (pow *ProofOfWork) InitData(nonce int) []byte

func (*ProofOfWork) Run ¶

func (pow *ProofOfWork) Run() (int, []byte)

func (*ProofOfWork) Validate ¶

func (pow *ProofOfWork) Validate() bool

type Transaction ¶

type Transaction struct {
	ID      []byte
	Inputs  []TxInput
	Outputs []TxOutput
}

func CoinbaseTx ¶

func CoinbaseTx(to, data string) *Transaction

func NewTransaction ¶

func NewTransaction(from, to string, amount int, chain *BlockChain) *Transaction

func (*Transaction) IsCoinbase ¶

func (tx *Transaction) IsCoinbase() bool

func (*Transaction) SetID ¶

func (tx *Transaction) SetID()

type TxInput ¶

type TxInput struct {
	ID  []byte
	Out int
	Sig string
}

func (*TxInput) CanUnlock ¶

func (in *TxInput) CanUnlock(data string) bool

type TxOutput ¶

type TxOutput struct {
	Value  int
	PubKey string
}

func (*TxOutput) CanBeUnlocked ¶

func (out *TxOutput) CanBeUnlocked(data string) bool

Source Files ¶

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