blockchain

package
v0.0.0-...-363fbf2 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Mar 13, 2020 License: Apache-2.0 Imports: 22 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	AddressChecksumLength = 4
)

Variables

This section is empty.

Functions

func HashPublicKey 

func HashPublicKey(publicKey []byte) []byte

func NewProofOfWork 

func NewProofOfWork(block *Block) *proofOfWork

Types

type Block 

type Block struct {
	Timestamp    int64
	Transactions []*Transaction
	PreviousHash []byte
	Hash         []byte
	Nonce        int
	Height       int
}

func DeserializeBlock 

func DeserializeBlock(data []byte) *Block

func NewBlock 

func NewBlock(transactions []*Transaction, previousHash []byte, height int) *Block

TODO: data [string] might not be applicable

func NewGenesisBlock 

func NewGenesisBlock(coinbase *Transaction) *Block

func (*Block) HashTransactions 

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

func (*Block) Serialize 

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

TODO: Maybe use protocol buffers

func (*Block) SetHash 

func (block *Block) SetHash()

type Blockchain 

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

func NewBlockchain 

func NewBlockchain(nodeID string) *Blockchain

func (*Blockchain) AddBlock 

func (blockchain *Blockchain) AddBlock(block *Block)

func (*Blockchain) CloseDB 

func (blockchain *Blockchain) CloseDB()

func (*Blockchain) FindTransaction 

func (blockchain *Blockchain) FindTransaction(ID []byte) (Transaction, error)

func (*Blockchain) FindUnspentTransactionOutputs 

func (blockchain *Blockchain) FindUnspentTransactionOutputs() map[string]TransactionOutputSet

func (*Blockchain) GetBestHeight 

func (blockchain *Blockchain) GetBestHeight() int

func (*Blockchain) GetBlock 

func (blockchain *Blockchain) GetBlock(blockHash []byte) (Block, error)

func (*Blockchain) GetBlockHashes 

func (blockchain *Blockchain) GetBlockHashes() [][]byte

func (*Blockchain) Iterator 

func (blockchain *Blockchain) Iterator() *BlockchainIterator

func (*Blockchain) MineBlock 

func (blockchain *Blockchain) MineBlock(transactions []*Transaction) *Block

func (*Blockchain) SignTransaction 

func (blockchain *Blockchain) SignTransaction(transaction *Transaction, privateKey ecdsa.PrivateKey)

func (*Blockchain) VerifyTransaction 

func (blockchain *Blockchain) VerifyTransaction(transaction *Transaction) bool

type BlockchainIterator 

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

func (*BlockchainIterator) Next 

func (blockchainIterator *BlockchainIterator) Next() *Block

type Transaction 

type Transaction struct {
	ID                 []byte
	TransactionInputs  []TransactionInput
	TransactionOutputs []TransactionOutput
}

func DeserializeTransaction 

func DeserializeTransaction(data []byte) *Transaction

TODO: Use proto buffers

func NewCoinbaseTransaction 

func NewCoinbaseTransaction() *Transaction

func NewTransaction 

func NewTransaction(wallet *Wallet, to []byte, amount int, unspentTransactionOutputSet UnspentTransactionOutputSet) *Transaction

func (Transaction) IsCoinbase 

func (transaction Transaction) IsCoinbase() bool

func (*Transaction) Serialize 

func (transaction *Transaction) Serialize() []byte

TODO: Use proto buffers

func (*Transaction) Sign 

func (transaction *Transaction) Sign(privateKey ecdsa.PrivateKey, previousTransactions map[string]Transaction)

func (*Transaction) TrimmedCopy 

func (transaction *Transaction) TrimmedCopy() Transaction

func (*Transaction) Verify 

func (transaction *Transaction) Verify(previousTransactions map[string]Transaction) bool

type TransactionInput 

type TransactionInput struct {
	TransactionID []byte

	Signature []byte
	PublicKey []byte
	// contains filtered or unexported fields
}

func (*TransactionInput) UsesKey 

func (transactionInput *TransactionInput) UsesKey(pubKeyHash []byte) bool

type TransactionOutput 

type TransactionOutput struct {
	Value         int
	PublicKeyHash []byte
}

func NewTransactionOutput 

func NewTransactionOutput(value int, address []byte) *TransactionOutput

func (*TransactionOutput) IsLockedWithKey 

func (transactionOutput *TransactionOutput) IsLockedWithKey(pubKeyHash []byte) bool

func (*TransactionOutput) Lock 

func (transactionOutput *TransactionOutput) Lock(address []byte)

type TransactionOutputSet 

type TransactionOutputSet struct {
	TransactionOutputs []TransactionOutput
}

func NewTransactionOutputSet 

func NewTransactionOutputSet(data []byte) TransactionOutputSet

func (TransactionOutputSet) Serialize 

func (transactionOutputSet TransactionOutputSet) Serialize() []byte

TODO: Maybe use proto buffs

type UnspentTransactionOutputSet 

type UnspentTransactionOutputSet struct {
	Blockchain *Blockchain
}

func (UnspentTransactionOutputSet) CountTransactions 

func (unspentTransactionOutputSet UnspentTransactionOutputSet) CountTransactions() int

func (UnspentTransactionOutputSet) FindSpendableOutputs 

func (unspentTransactionOutputSet UnspentTransactionOutputSet) FindSpendableOutputs(publicKeyHash []byte, amount int) (int, map[string][]int)

func (UnspentTransactionOutputSet) FindUnspentTransactionOutputs 

func (unspentTransactionOutputSet UnspentTransactionOutputSet) FindUnspentTransactionOutputs(publicKeyHash []byte) []TransactionOutput

func (UnspentTransactionOutputSet) Reindex 

func (unspentTransactionOutputSet UnspentTransactionOutputSet) Reindex()

TODO: Using this method should be avoided where possible

func (UnspentTransactionOutputSet) Update 

func (unspentTransactionOutputSet UnspentTransactionOutputSet) Update(block *Block)

type Wallet 

type Wallet struct {
	PrivateKey ecdsa.PrivateKey
	PublicKey  []byte
}

func NewWallet 

func NewWallet() *Wallet

func (Wallet) GetAddress 

func (wallet Wallet) GetAddress() []byte

type Wallets 

type Wallets struct {
	Wallets map[string]*Wallet
}

func NewWallets 

func NewWallets(nodeID string) (*Wallets, error)

func (*Wallets) CreateWallet 

func (wallets *Wallets) CreateWallet() string

func (*Wallets) GetAddresses 

func (wallets *Wallets) GetAddresses() []string

func (Wallets) GetWallet 

func (wallets Wallets) GetWallet(address string) Wallet

func (Wallets) SaveToFile 

func (wallets Wallets) SaveToFile(nodeID string)

Source Files

View all Source files

Directories

Path Synopsis
command
inventory

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