storage

package
v1.3.3 Latest Latest
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 Go to latest Published: May 7, 2024 License: Apache-2.0 Imports: 11 Imported by: 3

Documentation

Index

Constants

This section is empty.

Variables

View Source 
var (
	// DIFFICULTY is the difficulty prefix
	DIFFICULTY = []byte("d")

	// HEADER is the header prefix
	HEADER = []byte("h")

	// HEAD is the chain head prefix
	HEAD = []byte("o")

	// FORK is the entry to store forks
	FORK = []byte("f")

	// CANONICAL is the prefix for the canonical chain numbers
	CANONICAL = []byte("c")

	// BODY is the prefix for bodies
	BODY = []byte("b")

	// RECEIPTS is the prefix for receipts
	RECEIPTS = []byte("r")

	// SNAPSHOTS is the prefix for snapshots
	SNAPSHOTS = []byte("s")

	// TX_LOOKUP_PREFIX is the prefix for transaction lookups
	TX_LOOKUP_PREFIX = []byte("l")
)

Prefixes for the key-value store

View Source 
var (
	HASH   = []byte("hash")
	NUMBER = []byte("number")
	EMPTY  = []byte("empty")
)

Sub-prefixes

View Source 
var ErrNotFound = fmt.Errorf("not found")

Functions

func TestStorage 

func TestStorage(t *testing.T, m PlaceholderStorage)

TestStorage tests a set of tests on a storage

Types

type Batch added in v1.1.0 

type Batch interface {
	Delete(key []byte)
	Write() error
	Put(k []byte, v []byte)
}

type BatchWriter added in v1.1.0 

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

func NewBatchWriter added in v1.1.0 

func NewBatchWriter(storage Storage) *BatchWriter

func (*BatchWriter) PutBody added in v1.1.0 

func (b *BatchWriter) PutBody(hash types.Hash, body *types.Body)

func (*BatchWriter) PutCanonicalHash added in v1.1.0 

func (b *BatchWriter) PutCanonicalHash(n uint64, hash types.Hash)

func (*BatchWriter) PutCanonicalHeader added in v1.1.0 

func (b *BatchWriter) PutCanonicalHeader(h *types.Header, diff *big.Int)

func (*BatchWriter) PutForks added in v1.1.0 

func (b *BatchWriter) PutForks(forks []types.Hash)

func (*BatchWriter) PutHeadHash added in v1.1.0 

func (b *BatchWriter) PutHeadHash(h types.Hash)

func (*BatchWriter) PutHeadNumber added in v1.1.0 

func (b *BatchWriter) PutHeadNumber(n uint64)

func (*BatchWriter) PutHeader added in v1.1.0 

func (b *BatchWriter) PutHeader(h *types.Header)

func (*BatchWriter) PutReceipts added in v1.1.0 

func (b *BatchWriter) PutReceipts(hash types.Hash, receipts []*types.Receipt)

func (*BatchWriter) PutTotalDifficulty added in v1.1.0 

func (b *BatchWriter) PutTotalDifficulty(hash types.Hash, diff *big.Int)

func (*BatchWriter) PutTxLookup added in v1.1.0 

func (b *BatchWriter) PutTxLookup(hash types.Hash, blockHash types.Hash)

func (*BatchWriter) WriteBatch added in v1.1.0 

func (b *BatchWriter) WriteBatch() error

type Factory 

type Factory func(config map[string]interface{}, logger hclog.Logger) (Storage, error)

Factory is a factory method to create a blockchain storage

type Forks 

type Forks []types.Hash

func (*Forks) MarshalRLPTo 

func (f *Forks) MarshalRLPTo(dst []byte) []byte

MarshalRLPTo is a wrapper function for calling the type marshal implementation

func (*Forks) MarshalRLPWith 

func (f *Forks) MarshalRLPWith(ar *fastrlp.Arena) *fastrlp.Value

MarshalRLPWith is the actual RLP marshal implementation for the type

func (*Forks) UnmarshalRLP 

func (f *Forks) UnmarshalRLP(input []byte) error

UnmarshalRLP is a wrapper function for calling the type unmarshal implementation

func (*Forks) UnmarshalRLPFrom 

func (f *Forks) UnmarshalRLPFrom(p *fastrlp.Parser, v *fastrlp.Value) error

UnmarshalRLPFrom is the actual RLP unmarshal implementation for the type

type KV 

type KV interface {
	Close() error
	Get(p []byte) ([]byte, bool, error)
	NewBatch() Batch
}

KV is a key value storage interface.

KV = Key-Value

type KeyValueStorage 

type KeyValueStorage struct {
	Db KV
	// contains filtered or unexported fields
}

KeyValueStorage is a generic storage for kv databases

func (*KeyValueStorage) Close 

func (s *KeyValueStorage) Close() error

Close closes the connection with the db

func (*KeyValueStorage) NewBatch added in v1.1.0 

func (s *KeyValueStorage) NewBatch() Batch

NewBatch creates batch used for write/update/delete operations

func (*KeyValueStorage) ReadBody 

func (s *KeyValueStorage) ReadBody(hash types.Hash) (*types.Body, error)

ReadBody reads the body

func (*KeyValueStorage) ReadCanonicalHash 

func (s *KeyValueStorage) ReadCanonicalHash(n uint64) (types.Hash, bool)

ReadCanonicalHash gets the hash from the number of the canonical chain

func (*KeyValueStorage) ReadForks 

func (s *KeyValueStorage) ReadForks() ([]types.Hash, error)

ReadForks read the current forks

func (*KeyValueStorage) ReadHeadHash 

func (s *KeyValueStorage) ReadHeadHash() (types.Hash, bool)

ReadHeadHash returns the hash of the head

func (*KeyValueStorage) ReadHeadNumber 

func (s *KeyValueStorage) ReadHeadNumber() (uint64, bool)

ReadHeadNumber returns the number of the head

func (*KeyValueStorage) ReadHeader 

func (s *KeyValueStorage) ReadHeader(hash types.Hash) (*types.Header, error)

ReadHeader reads the header

func (*KeyValueStorage) ReadReceipts 

func (s *KeyValueStorage) ReadReceipts(hash types.Hash) ([]*types.Receipt, error)

ReadReceipts reads the receipts

func (*KeyValueStorage) ReadTotalDifficulty 

func (s *KeyValueStorage) ReadTotalDifficulty(hash types.Hash) (*big.Int, bool)

ReadTotalDifficulty reads the difficulty

func (*KeyValueStorage) ReadTxLookup 

func (s *KeyValueStorage) ReadTxLookup(hash types.Hash) (types.Hash, bool)

ReadTxLookup reads the block hash using the transaction hash

type MockStorage 

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

func NewMockStorage added in v0.4.1 

func NewMockStorage() *MockStorage

func (*MockStorage) Close added in v0.4.1 

func (m *MockStorage) Close() error

func (*MockStorage) HookClose added in v0.4.1 

func (m *MockStorage) HookClose(fn closeDelegate)

func (*MockStorage) HookNewBatch added in v1.1.0 

func (m *MockStorage) HookNewBatch(fn newBatchDelegate)

func (*MockStorage) HookReadBody added in v0.4.1 

func (m *MockStorage) HookReadBody(fn readBodyDelegate)

func (*MockStorage) HookReadCanonicalHash added in v0.4.1 

func (m *MockStorage) HookReadCanonicalHash(fn readCanonicalHashDelegate)

func (*MockStorage) HookReadForks added in v0.4.1 

func (m *MockStorage) HookReadForks(fn readForksDelegate)

func (*MockStorage) HookReadHeadHash added in v0.4.1 

func (m *MockStorage) HookReadHeadHash(fn readHeadHashDelegate)

func (*MockStorage) HookReadHeadNumber added in v0.4.1 

func (m *MockStorage) HookReadHeadNumber(fn readHeadNumberDelegate)

func (*MockStorage) HookReadHeader added in v0.4.1 

func (m *MockStorage) HookReadHeader(fn readHeaderDelegate)

func (*MockStorage) HookReadReceipts added in v0.4.1 

func (m *MockStorage) HookReadReceipts(fn readReceiptsDelegate)

func (*MockStorage) HookReadTotalDifficulty added in v0.4.1 

func (m *MockStorage) HookReadTotalDifficulty(fn readTotalDifficultyDelegate)

func (*MockStorage) HookReadTxLookup added in v0.4.1 

func (m *MockStorage) HookReadTxLookup(fn readTxLookupDelegate)

func (*MockStorage) NewBatch added in v1.1.0 

func (m *MockStorage) NewBatch() Batch

func (*MockStorage) ReadBody added in v0.4.1 

func (m *MockStorage) ReadBody(hash types.Hash) (*types.Body, error)

func (*MockStorage) ReadCanonicalHash added in v0.4.1 

func (m *MockStorage) ReadCanonicalHash(n uint64) (types.Hash, bool)

func (*MockStorage) ReadForks added in v0.4.1 

func (m *MockStorage) ReadForks() ([]types.Hash, error)

func (*MockStorage) ReadHeadHash added in v0.4.1 

func (m *MockStorage) ReadHeadHash() (types.Hash, bool)

func (*MockStorage) ReadHeadNumber added in v0.4.1 

func (m *MockStorage) ReadHeadNumber() (uint64, bool)

func (*MockStorage) ReadHeader added in v0.4.1 

func (m *MockStorage) ReadHeader(hash types.Hash) (*types.Header, error)

func (*MockStorage) ReadReceipts added in v0.4.1 

func (m *MockStorage) ReadReceipts(hash types.Hash) ([]*types.Receipt, error)

func (*MockStorage) ReadTotalDifficulty added in v0.4.1 

func (m *MockStorage) ReadTotalDifficulty(hash types.Hash) (*big.Int, bool)

func (*MockStorage) ReadTxLookup added in v0.4.1 

func (m *MockStorage) ReadTxLookup(hash types.Hash) (types.Hash, bool)

type PlaceholderStorage added in v0.4.1 

type PlaceholderStorage func(t *testing.T) (Storage, func())

type Storage 

type Storage interface {
	ReadCanonicalHash(n uint64) (types.Hash, bool)

	ReadHeadHash() (types.Hash, bool)
	ReadHeadNumber() (uint64, bool)

	ReadForks() ([]types.Hash, error)

	ReadTotalDifficulty(hash types.Hash) (*big.Int, bool)

	ReadHeader(hash types.Hash) (*types.Header, error)

	ReadBody(hash types.Hash) (*types.Body, error)

	ReadReceipts(hash types.Hash) ([]*types.Receipt, error)

	ReadTxLookup(hash types.Hash) (types.Hash, bool)

	NewBatch() Batch

	Close() error
}

Storage is a generic blockchain storage

func NewKeyValueStorage 

func NewKeyValueStorage(logger hclog.Logger, db KV) Storage

Source Files

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