blockchain

package

v0.0.0-...-7c9a5d0 Latest Latest Go to latest Published: Jan 21, 2023 License: MIT Imports: 18 Imported by: 0

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Repository

github.com/goozt/seashell

Links

Open Source Insights

Documentation ¶

Index ¶

Constants
func DbExists() bool
func HandleFatalErrors(err error)
func SplitBinary(data []byte) (a big.Int, b big.Int)
func ToHex(num int64) []byte
type Block
- func Deserialize(data []byte) *Block
- func Genesis(coinbase *Transaction) *Block
- func NewBlock(txs []*Transaction, prevHash []byte) *Block
- func (b *Block) HashTransaction() []byte
- func (b *Block) Serialize() []byte
type BlockChain
- func ContinueBlockChain(enableLog bool, address string) *BlockChain
- func InitBlockChain(enableLog bool, address string) *BlockChain
- func (chain *BlockChain) AddBlock(txs []*Transaction)
- func (chain *BlockChain) Close() error
- func (chain *BlockChain) FindSpendableOutputs(publicKeyHash []byte, amount int) (int, map[string][]int)
- func (chain *BlockChain) FindTransaction(id []byte) (Transaction, error)
- func (chain *BlockChain) FindUTXO(publicKeyHash []byte) []TxOutput
- func (chain *BlockChain) FindUnspentTransactions(publicKeyHash []byte) []Transaction
- func (chain *BlockChain) Iterator() *BlockChainIterator
- func (bc *BlockChain) SignTransaction(tx *Transaction, privateKey ecdsa.PrivateKey)
- func (bc *BlockChain) VerifyTransaction(tx *Transaction) bool
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) Hash() []byte
- func (tx *Transaction) IsCoinbase() bool
- func (tx Transaction) Serialize() []byte
- func (tx *Transaction) SetID()
- 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 TxInput
- func (in *TxInput) UsesKey(pubKeyHash []byte) bool
type TxOutput
- func NewTxOutput(value int, address string) *TxOutput
- func (out *TxOutput) IsLockedWithKey(pubKeyHash []byte) bool
- func (out *TxOutput) Lock(address []byte)

Constants ¶

View Source

const Difficulty = 12

Variables ¶

This section is empty.

Functions ¶

func DbExists ¶

func DbExists() bool

func HandleFatalErrors ¶

func HandleFatalErrors(err error)

func SplitBinary ¶

func SplitBinary(data []byte) (a big.Int, b big.Int)

func ToHex ¶

func ToHex(num int64) []byte

Types ¶

type Block ¶

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

func Deserialize ¶

func Deserialize(data []byte) *Block

func Genesis ¶

func Genesis(coinbase *Transaction) *Block

func NewBlock ¶

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

func (*Block) HashTransaction ¶

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

func (*Block) Serialize ¶

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

type BlockChain ¶

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

func ContinueBlockChain ¶

func ContinueBlockChain(enableLog bool, address string) *BlockChain

func InitBlockChain ¶

func InitBlockChain(enableLog bool, address string) *BlockChain

func (*BlockChain) AddBlock ¶

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

func (*BlockChain) Close ¶

func (chain *BlockChain) Close() error

func (*BlockChain) FindSpendableOutputs ¶

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

func (*BlockChain) FindTransaction ¶

func (chain *BlockChain) FindTransaction(id []byte) (Transaction, error)

func (*BlockChain) FindUTXO ¶

func (chain *BlockChain) FindUTXO(publicKeyHash []byte) []TxOutput

func (*BlockChain) FindUnspentTransactions ¶

func (chain *BlockChain) FindUnspentTransactions(publicKeyHash []byte) []Transaction

func (*BlockChain) Iterator ¶

func (chain *BlockChain) Iterator() *BlockChainIterator

func (*BlockChain) SignTransaction ¶

func (bc *BlockChain) SignTransaction(tx *Transaction, privateKey ecdsa.PrivateKey)

func (*BlockChain) VerifyTransaction ¶

func (bc *BlockChain) VerifyTransaction(tx *Transaction) bool

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) Hash ¶

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

func (*Transaction) IsCoinbase ¶

func (tx *Transaction) IsCoinbase() bool

func (Transaction) Serialize ¶

func (tx Transaction) Serialize() []byte

func (*Transaction) SetID ¶

func (tx *Transaction) SetID()

func (*Transaction) Sign ¶

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

func (Transaction) String ¶

func (tx Transaction) String() string

func (*Transaction) TrimmedCopy ¶

func (tx *Transaction) TrimmedCopy() *Transaction

func (*Transaction) Verify ¶

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

type TxInput ¶

type TxInput struct {
	Id        []byte
	Out       int
	Signature []byte
	PubKey    []byte
}

func (*TxInput) UsesKey ¶

func (in *TxInput) UsesKey(pubKeyHash []byte) bool

type TxOutput ¶

type TxOutput struct {
	Value      int
	PubKeyHash []byte
}

func NewTxOutput ¶

func NewTxOutput(value int, address string) *TxOutput

func (*TxOutput) IsLockedWithKey ¶

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

func (*TxOutput) Lock ¶

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

Source Files ¶

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