rawdb

package
v1.3.0 Latest Latest
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 Go to latest Published: Feb 5, 2020 License: MIT Imports: 14 Imported by: 0

Documentation

Overview

Package rawdb contains a collection of low level database accessors.

Index

Constants

View Source 
const (
	SpentByte byte = iota
	UnspentByte
	NAByte // not exist
)

Indicate whether the receipts corresponding to a blockHash is spent or not

Variables

View Source 
var (

	// Chain index prefixes (use `i` + single byte to avoid mixing data types).
	BloomBitsIndexPrefix = []byte("iB") // BloomBitsIndexPrefix is the data table of a chain indexer to track its progress

)

The fields below define the low level database schema prefixing.

View Source 
var MsgNoShardStateFromDB = "failed to read shard state from DB"

MsgNoShardStateFromDB error message for shard state reading failure

Functions

func DeleteBlock 

func DeleteBlock(db DatabaseDeleter, hash common.Hash, number uint64)

DeleteBlock removes all block data associated with a hash.

func DeleteBody 

func DeleteBody(db DatabaseDeleter, hash common.Hash, number uint64)

DeleteBody removes all block body data associated with a hash.

func DeleteCXReceiptsProofSpent 

func DeleteCXReceiptsProofSpent(db DatabaseDeleter, shardID uint32, number uint64)

DeleteCXReceiptsProofSpent removes unspent indicator of a given blockHash

func DeleteCanonicalHash 

func DeleteCanonicalHash(db DatabaseDeleter, number uint64)

DeleteCanonicalHash removes the number to hash canonical mapping.

func DeleteCrossLinkShardBlock 

func DeleteCrossLinkShardBlock(db DatabaseDeleter, shardID uint32, blockNum uint64) error

DeleteCrossLinkShardBlock deletes the blockHash given shardID and blockNum

func DeleteCxLookupEntry 

func DeleteCxLookupEntry(db DatabaseDeleter, hash common.Hash)

DeleteCxLookupEntry removes all transaction data associated with a hash.

func DeleteHeader 

func DeleteHeader(db DatabaseDeleter, hash common.Hash, number uint64)

DeleteHeader removes all block header data associated with a hash. 

func DeletePendingCrossLinks(db DatabaseDeleter) error

DeletePendingCrossLinks stores last pending crosslinks into database.

func DeleteReceipts 

func DeleteReceipts(db DatabaseDeleter, hash common.Hash, number uint64)

DeleteReceipts removes all receipt data associated with a block hash.

func DeleteTd 

func DeleteTd(db DatabaseDeleter, hash common.Hash, number uint64)

DeleteTd removes all block total difficulty data associated with a hash.

func DeleteTxLookupEntry 

func DeleteTxLookupEntry(db DatabaseDeleter, hash common.Hash)

DeleteTxLookupEntry removes all transaction data associated with a hash.

func DeleteValidatorSnapshot added in v1.3.0 

func DeleteValidatorSnapshot(db DatabaseDeleter, addr common.Address)

DeleteValidatorSnapshot removes the validator's snapshot by its address

func FindCommonAncestor 

func FindCommonAncestor(db DatabaseReader, a, b *block.Header) *block.Header

FindCommonAncestor returns the last common ancestor of two block headers

func HasBody 

func HasBody(db DatabaseReader, hash common.Hash, number uint64) bool

HasBody verifies the existence of a block body corresponding to the hash.

func HasHeader 

func HasHeader(db DatabaseReader, hash common.Hash, number uint64) bool

HasHeader verifies the existence of a block header corresponding to the hash.

func ReadBlock 

func ReadBlock(db DatabaseReader, hash common.Hash, number uint64) *types.Block

ReadBlock retrieves an entire block corresponding to the hash, assembling it back from the stored header and body. If either the header or body could not be retrieved nil is returned.

Note, due to concurrent download of header and block body the header and thus canonical hash can be stored in the database but the body data not (yet).

func ReadBlockRewardAccumulator added in v1.3.0 

func ReadBlockRewardAccumulator(db DatabaseReader, number uint64) (*big.Int, error)

ReadBlockRewardAccumulator ..

func ReadBloomBits 

func ReadBloomBits(db DatabaseReader, bit uint, section uint64, head common.Hash) ([]byte, error)

ReadBloomBits retrieves the compressed bloom bit vector belonging to the given section and bit index from the.

func ReadBody 

func ReadBody(db DatabaseReader, hash common.Hash, number uint64) *types.Body

ReadBody retrieves the block body corresponding to the hash.

func ReadBodyRLP 

func ReadBodyRLP(db DatabaseReader, hash common.Hash, number uint64) rlp.RawValue

ReadBodyRLP retrieves the block body (transactions and uncles) in RLP encoding.

func ReadCXReceipt 

func ReadCXReceipt(db DatabaseReader, hash common.Hash) (*types.CXReceipt, common.Hash, uint64, uint64)

ReadCXReceipt retrieves a specific transaction from the database, along with its added positional metadata.

func ReadCXReceipts 

func ReadCXReceipts(db DatabaseReader, shardID uint32, number uint64, hash common.Hash) (types.CXReceipts, error)

ReadCXReceipts retrieves all the transactions of receipts given destination shardID, number and blockHash

func ReadCXReceiptsProofSpent 

func ReadCXReceiptsProofSpent(db DatabaseReader, shardID uint32, number uint64) (byte, error)

ReadCXReceiptsProofSpent check whether a CXReceiptsProof is unspent

func ReadCXReceiptsProofUnspentCheckpoint 

func ReadCXReceiptsProofUnspentCheckpoint(db DatabaseReader, shardID uint32) (uint64, error)

ReadCXReceiptsProofUnspentCheckpoint returns the last unspent blocknumber

func ReadCanonicalHash 

func ReadCanonicalHash(db DatabaseReader, number uint64) common.Hash

ReadCanonicalHash retrieves the hash assigned to a canonical block number.

func ReadChainConfig 

func ReadChainConfig(db DatabaseReader, hash common.Hash) *params.ChainConfig

ReadChainConfig retrieves the consensus settings based on the given genesis hash.

func ReadCrossLinkShardBlock 

func ReadCrossLinkShardBlock(db DatabaseReader, shardID uint32, blockNum uint64) ([]byte, error)

ReadCrossLinkShardBlock retrieves the blockHash given shardID and blockNum

func ReadCxLookupEntry 

func ReadCxLookupEntry(db DatabaseReader, hash common.Hash) (common.Hash, uint64, uint64)

ReadCxLookupEntry retrieves the positional metadata associated with a transaction hash to allow retrieving cross shard receipt by hash in destination shard not the original transaction in source shard return nil if not found

func ReadDatabaseVersion 

func ReadDatabaseVersion(db DatabaseReader) int

ReadDatabaseVersion retrieves the version number of the database.

func ReadDelegationsByDelegator added in v1.3.0 

func ReadDelegationsByDelegator(db DatabaseReader, delegator common.Address) ([]staking.DelegationIndex, error)

ReadDelegationsByDelegator retrieves the list of validators delegated by a delegator

func ReadEpochBlockNumber 

func ReadEpochBlockNumber(db DatabaseReader, epoch *big.Int) (*big.Int, error)

ReadEpochBlockNumber retrieves the epoch block number for the given epoch, or nil if the given epoch is not found in the database.

func ReadEpochVdfBlockNum 

func ReadEpochVdfBlockNum(db DatabaseReader, epoch *big.Int) ([]byte, error)

ReadEpochVdfBlockNum retrieves the VDF block number for the given epoch

func ReadEpochVrfBlockNums 

func ReadEpochVrfBlockNums(db DatabaseReader, epoch *big.Int) ([]byte, error)

ReadEpochVrfBlockNums retrieves the VRF block numbers for the given epoch

func ReadFastTrieProgress 

func ReadFastTrieProgress(db DatabaseReader) uint64

ReadFastTrieProgress retrieves the number of tries nodes fast synced to allow reporting correct numbers across restarts.

func ReadHeadBlockHash 

func ReadHeadBlockHash(db DatabaseReader) common.Hash

ReadHeadBlockHash retrieves the hash of the current canonical head block.

func ReadHeadFastBlockHash 

func ReadHeadFastBlockHash(db DatabaseReader) common.Hash

ReadHeadFastBlockHash retrieves the hash of the current fast-sync head block.

func ReadHeadHeaderHash 

func ReadHeadHeaderHash(db DatabaseReader) common.Hash

ReadHeadHeaderHash retrieves the hash of the current canonical head header.

func ReadHeader 

func ReadHeader(db DatabaseReader, hash common.Hash, number uint64) *block.Header

ReadHeader retrieves the block header corresponding to the hash.

func ReadHeaderNumber 

func ReadHeaderNumber(db DatabaseReader, hash common.Hash) *uint64

ReadHeaderNumber returns the header number assigned to a hash.

func ReadHeaderRLP 

func ReadHeaderRLP(db DatabaseReader, hash common.Hash, number uint64) rlp.RawValue

ReadHeaderRLP retrieves a block header in its raw RLP database encoding.

func ReadLastCommits 

func ReadLastCommits(db DatabaseReader) ([]byte, error)

ReadLastCommits retrieves LastCommits. 

func ReadPendingCrossLinks(db DatabaseReader) ([]byte, error)

ReadPendingCrossLinks retrieves last pending crosslinks.

func ReadPreimage 

func ReadPreimage(db DatabaseReader, hash common.Hash) []byte

ReadPreimage retrieves a single preimage of the provided hash.

func ReadReceipt 

func ReadReceipt(db DatabaseReader, hash common.Hash) (*types.Receipt, common.Hash, uint64, uint64)

ReadReceipt retrieves a specific transaction receipt from the database, along with its added positional metadata.

func ReadReceipts 

func ReadReceipts(db DatabaseReader, hash common.Hash, number uint64) types.Receipts

ReadReceipts retrieves all the transaction receipts belonging to a block. 

func ReadShardLastCrossLink(db DatabaseReader, shardID uint32) ([]byte, error)

ReadShardLastCrossLink read the last cross link of a shard

func ReadShardState 

func ReadShardState(
	db DatabaseReader, epoch *big.Int,
) (*shard.State, error)

ReadShardState retrieves sharding state.

func ReadStakingTransaction added in v1.3.0 

func ReadStakingTransaction(db DatabaseReader, hash common.Hash) (*staking.StakingTransaction, common.Hash, uint64, uint64)

ReadStakingTransaction retrieves a specific staking transaction from the database, along with its added positional metadata.

func ReadTd 

func ReadTd(db DatabaseReader, hash common.Hash, number uint64) *big.Int

ReadTd retrieves a block's total difficulty corresponding to the hash.

func ReadTransaction 

func ReadTransaction(db DatabaseReader, hash common.Hash) (*types.Transaction, common.Hash, uint64, uint64)

ReadTransaction retrieves a specific transaction from the database, along with its added positional metadata.

func ReadTxLookupEntry 

func ReadTxLookupEntry(db DatabaseReader, hash common.Hash) (common.Hash, uint64, uint64)

ReadTxLookupEntry retrieves the positional metadata associated with a transaction hash to allow retrieving the transaction or receipt by hash.

func ReadValidatorInformation added in v1.3.0 

func ReadValidatorInformation(db DatabaseReader, addr common.Address) (*staking.ValidatorWrapper, error)

ReadValidatorInformation retrieves staking validator by its address

func ReadValidatorList added in v1.3.0 

func ReadValidatorList(db DatabaseReader, activeOnly bool) ([]common.Address, error)

ReadValidatorList retrieves staking validator by its address Return only active validators if activeOnly==true, otherwise, return all validators

func ReadValidatorSnapshot added in v1.3.0 

func ReadValidatorSnapshot(
	db DatabaseReader, addr common.Address,
) (*staking.ValidatorWrapper, error)

ReadValidatorSnapshot retrieves validator's snapshot by its address

func ReadValidatorStats added in v1.3.0 

func ReadValidatorStats(
	db DatabaseReader, addr common.Address,
) (*staking.ValidatorStats, error)

ReadValidatorStats retrieves validator's stats by its address

func WriteBlock 

func WriteBlock(db DatabaseWriter, block *types.Block)

WriteBlock serializes a block into the database, header and body separately.

func WriteBlockRewardAccumulator added in v1.3.0 

func WriteBlockRewardAccumulator(db DatabaseWriter, newAccum *big.Int, number uint64) error

WriteBlockRewardAccumulator ..

func WriteBloomBits 

func WriteBloomBits(db DatabaseWriter, bit uint, section uint64, head common.Hash, bits []byte)

WriteBloomBits stores the compressed bloom bits vector belonging to the given section and bit index.

func WriteBody 

func WriteBody(db DatabaseWriter, hash common.Hash, number uint64, body *types.Body)

WriteBody storea a block body into the database.

func WriteBodyRLP 

func WriteBodyRLP(db DatabaseWriter, hash common.Hash, number uint64, rlp rlp.RawValue)

WriteBodyRLP stores an RLP encoded block body into the database.

func WriteCXReceipts 

func WriteCXReceipts(db DatabaseWriter, shardID uint32, number uint64, hash common.Hash, receipts types.CXReceipts) error

WriteCXReceipts stores all the transaction receipts given destination shardID, blockNumber and blockHash

func WriteCXReceiptsProofSpent 

func WriteCXReceiptsProofSpent(dbw DatabaseWriter, cxp *types.CXReceiptsProof) error

WriteCXReceiptsProofSpent write CXReceiptsProof as spent into database

func WriteCXReceiptsProofUnspentCheckpoint 

func WriteCXReceiptsProofUnspentCheckpoint(db DatabaseWriter, shardID uint32, blockNum uint64) error

WriteCXReceiptsProofUnspentCheckpoint check whether a CXReceiptsProof is unspent, true means not spent

func WriteCanonicalHash 

func WriteCanonicalHash(db DatabaseWriter, hash common.Hash, number uint64)

WriteCanonicalHash stores the hash assigned to a canonical block number.

func WriteChainConfig 

func WriteChainConfig(db DatabaseWriter, hash common.Hash, cfg *params.ChainConfig)

WriteChainConfig writes the chain config settings to the database.

func WriteCrossLinkShardBlock 

func WriteCrossLinkShardBlock(db DatabaseWriter, shardID uint32, blockNum uint64, data []byte) error

WriteCrossLinkShardBlock stores the blockHash given shardID and blockNum

func WriteCxLookupEntries 

func WriteCxLookupEntries(db DatabaseWriter, block *types.Block)

WriteCxLookupEntries stores a positional metadata for every transaction from a block, enabling hash based transaction and receipt lookups.

func WriteDatabaseVersion 

func WriteDatabaseVersion(db DatabaseWriter, version int)

WriteDatabaseVersion stores the version number of the database

func WriteDelegationsByDelegator added in v1.3.0 

func WriteDelegationsByDelegator(db DatabaseWriter, delegator common.Address, indices []staking.DelegationIndex) error

WriteDelegationsByDelegator stores the list of validators delegated by a delegator

func WriteEpochBlockNumber 

func WriteEpochBlockNumber(db DatabaseWriter, epoch, blockNum *big.Int) error

WriteEpochBlockNumber stores the given epoch-number-to-epoch-block-number in the database.

func WriteEpochVdfBlockNum 

func WriteEpochVdfBlockNum(db DatabaseWriter, epoch *big.Int, data []byte) error

WriteEpochVdfBlockNum stores the VDF block number for the given epoch

func WriteEpochVrfBlockNums 

func WriteEpochVrfBlockNums(db DatabaseWriter, epoch *big.Int, data []byte) error

WriteEpochVrfBlockNums stores the VRF block numbers for the given epoch

func WriteFastTrieProgress 

func WriteFastTrieProgress(db DatabaseWriter, count uint64)

WriteFastTrieProgress stores the fast sync trie process counter to support retrieving it across restarts.

func WriteHeadBlockHash 

func WriteHeadBlockHash(db DatabaseWriter, hash common.Hash)

WriteHeadBlockHash stores the head block's hash.

func WriteHeadFastBlockHash 

func WriteHeadFastBlockHash(db DatabaseWriter, hash common.Hash)

WriteHeadFastBlockHash stores the hash of the current fast-sync head block.

func WriteHeadHeaderHash 

func WriteHeadHeaderHash(db DatabaseWriter, hash common.Hash)

WriteHeadHeaderHash stores the hash of the current canonical head header.

func WriteHeader 

func WriteHeader(db DatabaseWriter, header *block.Header)

WriteHeader stores a block header into the database and also stores the hash- to-number mapping.

func WriteLastCommits 

func WriteLastCommits(
	db DatabaseWriter, data []byte,
) (err error)

WriteLastCommits stores last commits into database. 

func WritePendingCrossLinks(db DatabaseWriter, bytes []byte) error

WritePendingCrossLinks stores last pending crosslinks into database.

func WritePreimages 

func WritePreimages(db DatabaseWriter, number uint64, preimages map[common.Hash][]byte)

WritePreimages writes the provided set of preimages to the database. `number` is the current block number, and is used for debug messages only.

func WriteReceipts 

func WriteReceipts(db DatabaseWriter, hash common.Hash, number uint64, receipts types.Receipts)

WriteReceipts stores all the transaction receipts belonging to a block. 

func WriteShardLastCrossLink(db DatabaseWriter, shardID uint32, data []byte) error

WriteShardLastCrossLink stores the last cross link of a shard

func WriteShardStateBytes 

func WriteShardStateBytes(db DatabaseWriter, epoch *big.Int, data []byte) (err error)

WriteShardStateBytes stores sharding state into database.

func WriteTd 

func WriteTd(db DatabaseWriter, hash common.Hash, number uint64, td *big.Int)

WriteTd stores the total difficulty of a block into the database.

func WriteTxLookupEntries 

func WriteTxLookupEntries(db DatabaseWriter, block *types.Block)

WriteTxLookupEntries stores a positional metadata for every transaction from a block, enabling hash based transaction and receipt lookups.

func WriteValidatorData added in v1.3.0 

func WriteValidatorData(db DatabaseWriter, v *staking.ValidatorWrapper) error

WriteValidatorData stores validator's information by its address

func WriteValidatorList added in v1.3.0 

func WriteValidatorList(db DatabaseWriter, addrs []common.Address, activeOnly bool) error

WriteValidatorList stores staking validator's information by its address Writes only for active validators if activeOnly==true, otherwise, writes for all validators

func WriteValidatorSnapshot added in v1.3.0 

func WriteValidatorSnapshot(db DatabaseWriter, v *staking.ValidatorWrapper) error

WriteValidatorSnapshot stores validator's snapshot by its address

func WriteValidatorStats added in v1.3.0 

func WriteValidatorStats(
	db DatabaseWriter, addr common.Address, stats *staking.ValidatorStats,
) error

WriteValidatorStats stores validator's stats by its address

Types

type DatabaseDeleter 

type DatabaseDeleter interface {
	Delete(key []byte) error
}

DatabaseDeleter wraps the Delete method of a backing data store.

type DatabaseReader 

type DatabaseReader interface {
	Has(key []byte) (bool, error)
	Get(key []byte) ([]byte, error)
}

DatabaseReader wraps the Has and Get method of a backing data store.

type DatabaseWriter 

type DatabaseWriter interface {
	Put(key []byte, value []byte) error
}

DatabaseWriter wraps the Put method of a backing data store.

type TxLookupEntry 

type TxLookupEntry struct {
	BlockHash  common.Hash
	BlockIndex uint64
	Index      uint64
}

TxLookupEntry is a positional metadata to help looking up the data content of a transaction or receipt given only its hash.

Source Files

View all Source files

Directories

Path Synopsis
Package mock_rawdb is a generated GoMock package.
 Package mock_rawdb is a generated GoMock package.

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