blockchain

package
v0.0.0-...-509fca3 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Aug 12, 2019 License: GPL-3.0 Imports: 18 Imported by: 0

Documentation

Index

Constants

View Source 
const FT byte = 0x00

Variables

View Source 
var GenesisBlock = genesisBlock
View Source 
var MaxTarget = new(big.Int).Lsh(big.NewInt(1), 256)

Functions

func CheckProofOfWork 

func CheckProofOfWork(header *network.BlockHeader) bool

func ComputeMerkleRoot 

func ComputeMerkleRoot(hashes []*utils.Hash) *utils.Hash

func DoubleHash 

func DoubleHash(a, b *utils.Hash) *utils.Hash

func WriteUtxoEntry 

func WriteUtxoEntry(writer io.Writer, entry *UtxoEntry) error

Types

type Block 

type Block struct {
	Msg *network.BlockMessage
	Txs []*Tx
}

func NewBlock 

func NewBlock() *Block

func NewBlockFromBlockMessage 

func NewBlockFromBlockMessage(msg *network.BlockMessage) *Block

func (*Block) CalcBlockSubsidy 

func (block *Block) CalcBlockSubsidy() uint64

func (*Block) GetWork 

func (block *Block) GetWork() *big.Int

func (*Block) Hash 

func (block *Block) Hash() *utils.Hash

func (*Block) IsSane 

func (block *Block) IsSane() error

func (*Block) MarshalBinary 

func (block *Block) MarshalBinary() ([]byte, error)

func (*Block) UnmarshalBinary 

func (block *Block) UnmarshalBinary(data []byte) error

type Blockchain 

type Blockchain struct {
	GenesisBlock *Block
	// contains filtered or unexported fields
}

func NewBlockchain 

func NewBlockchain(config *Config) *Blockchain

func (*Blockchain) CalcNextBlockDifficulty 

func (blockchain *Blockchain) CalcNextBlockDifficulty(timestamp time.Time, ancestorTimestamp time.Time, ancestorTarget *big.Int) (*big.Int, error)

func (*Blockchain) FetchAllUtxos 

func (blockchain *Blockchain) FetchAllUtxos() (*Utxos, error)

func (*Blockchain) FetchStxojEntry 

func (blockchain *Blockchain) FetchStxojEntry(blockHash *utils.Hash) ([]*UtxoEntry, error)

func (*Blockchain) FetchUtxos 

func (blockchain *Blockchain) FetchUtxos(tx *Tx) (*Utxos, []*network.Outpoint, error)

func (*Blockchain) FindBestBlock 

func (blockchain *Blockchain) FindBestBlock() (*Block, error)

func (*Blockchain) FindBlockByHash 

func (blockchain *Blockchain) FindBlockByHash(hash *utils.Hash) (*Block, error)

func (*Blockchain) FindBlockHashesStartingAt 

func (blockchain *Blockchain) FindBlockHashesStartingAt(hash *utils.Hash, limit int) ([]*utils.Hash, error)

func (*Blockchain) FindOrphan 

func (blockchain *Blockchain) FindOrphan(hash *utils.Hash) (*Block, error)

func (*Blockchain) GenerateBlockLocator 

func (blockchain *Blockchain) GenerateBlockLocator() ([]*utils.Hash, error)

func (*Blockchain) GetAncestor 

func (blockchain *Blockchain) GetAncestor(blockHash *utils.Hash) (*utils.Hash, error)

func (*Blockchain) GetBlockHashAtHeight 

func (blockchain *Blockchain) GetBlockHashAtHeight(height uint32) (*utils.Hash, error)

func (*Blockchain) GetFollowing 

func (blockchain *Blockchain) GetFollowing(blockHash *utils.Hash) (*utils.Hash, error)

func (*Blockchain) HaveBlock 

func (blockchain *Blockchain) HaveBlock(hash *utils.Hash) (bool, error)

func (*Blockchain) Load 

func (blockchain *Blockchain) Load() error

func (*Blockchain) ProcessBlock 

func (blockchain *Blockchain) ProcessBlock(block *Block) (error, error)

func (*Blockchain) Stop 

func (blockchain *Blockchain) Stop() error

func (*Blockchain) ValidateBlock 

func (blockchain *Blockchain) ValidateBlock(block *Block) (error, error)

func (*Blockchain) Validatetx 

func (blockchain *Blockchain) Validatetx(tx *Tx, block *Block, utxos *Utxos) (bool, uint64, error)

type BlockchainStats 

type BlockchainStats struct {
	BestBlockHash   utils.Hash
	BestBlockHeight uint32
}

type Config 

type Config struct {
	DataDir       string
	OnPushedBlock func(*Block) error
	OnPoppedBlock func(*Block) error
}

type Tx 

type Tx struct {
	Msg *network.TxMessage
}

func NewTxFromTxMessage 

func NewTxFromTxMessage(msg *network.TxMessage) *Tx

func (*Tx) Hash 

func (tx *Tx) Hash() *utils.Hash

func (*Tx) IsCoinBase 

func (tx *Tx) IsCoinBase() bool

IsCoinBase returns true if the transaction is a coinbase.

func (*Tx) IsSane 

func (tx *Tx) IsSane() bool

IsSane applies the validation tests of a transaction and returns true if they pass, false if they fail.

func (*Tx) SHash 

func (tx *Tx) SHash(input *network.TxIn, value uint64) *utils.Hash

type UtxoEntry 

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

func ReadUtxoEntry 

func ReadUtxoEntry(reader io.Reader) (*UtxoEntry, error)

func (*UtxoEntry) Amount 

func (entry *UtxoEntry) Amount() uint64

func (*UtxoEntry) BlockHeight 

func (entry *UtxoEntry) BlockHeight() uint32

func (*UtxoEntry) IsCoinBase 

func (entry *UtxoEntry) IsCoinBase() bool

func (*UtxoEntry) MarshalBinary 

func (entry *UtxoEntry) MarshalBinary() ([]byte, error)

func (*UtxoEntry) Script 

func (entry *UtxoEntry) Script() []byte

func (*UtxoEntry) UnmarshalBinary 

func (entry *UtxoEntry) UnmarshalBinary(data []byte) error

type Utxos 

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

func (*Utxos) AddEntry 

func (utxos *Utxos) AddEntry(outpoint *network.Outpoint, entry *UtxoEntry)

func (*Utxos) AddEntryWithTx 

func (utxos *Utxos) AddEntryWithTx(outpoint *network.Outpoint, tx *Tx, blockHeight uint32)

func (*Utxos) FindEntry 

func (utxos *Utxos) FindEntry(outpoint *network.Outpoint) *UtxoEntry

func (*Utxos) RemoveEntry 

func (utxos *Utxos) RemoveEntry(outpoint *network.Outpoint) *UtxoEntry

type ValidationError 

type ValidationError struct {
	Reason string
}

func (*ValidationError) Error 

func (err *ValidationError) Error() string

Source Files

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