database

package
v0.5.0 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Apr 15, 2025 License: Apache-2.0 Imports: 19 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	BlockInitialIndex uint64 = 1
)

Variables

View Source 
var ErrBlockNotFound = errors.New("block not found")

Functions

func BlockBlobIndexKey added in v0.4.5 

func BlockBlobIndexKey(blockNumber uint64) []byte

func BlockBlobKey added in v0.4.2 

func BlockBlobKey(slot uint64, hash []byte) []byte

func BlockBlobKeyHashHex added in v0.4.2 

func BlockBlobKeyHashHex(slot uint64, hashHex string) ([]byte, error)

func BlockBlobMetadataKey added in v0.4.2 

func BlockBlobMetadataKey(baseKey []byte) []byte

func BlockDeleteTxn added in v0.4.2 

func BlockDeleteTxn(txn *Txn, block Block) error

func UtxoBlobKey added in v0.4.2 

func UtxoBlobKey(txId []byte, outputIdx uint32) []byte

Types

type Block added in v0.4.2 

type Block struct {
	ID       uint64
	Slot     uint64
	Number   uint64
	Hash     []byte
	Type     uint
	PrevHash []byte
	Nonce    []byte
	Cbor     []byte
}

func BlockBeforeSlot added in v0.4.2 

func BlockBeforeSlot(db *Database, slotNumber uint64) (Block, error)

func BlockBeforeSlotTxn added in v0.4.2 

func BlockBeforeSlotTxn(txn *Txn, slotNumber uint64) (Block, error)

func BlockByPoint added in v0.4.2 

func BlockByPoint(db *Database, point ocommon.Point) (Block, error)

func BlockByPointTxn added in v0.4.2 

func BlockByPointTxn(txn *Txn, point ocommon.Point) (Block, error)

func BlocksAfterSlotTxn added in v0.4.2 

func BlocksAfterSlotTxn(txn *Txn, slotNumber uint64) ([]Block, error)

func BlocksRecent added in v0.4.2 

func BlocksRecent(db *Database, count int) ([]Block, error)

func BlocksRecentTxn added in v0.4.2 

func BlocksRecentTxn(txn *Txn, count int) ([]Block, error)

func (Block) Decode added in v0.4.2 

func (b Block) Decode() (ledger.Block, error)

type BlockBlobMetadata added in v0.4.2 

type BlockBlobMetadata struct {
	cbor.StructAsArray
	ID       uint64
	Type     uint
	Height   uint64
	PrevHash []byte
	Nonce    []byte
}

type CommitTimestampError 

type CommitTimestampError struct {
	MetadataTimestamp int64
	BlobTimestamp     int64
}

CommitTimestampError contains the timestamps of the metadata and blob stores

func (CommitTimestampError) Error 

func (e CommitTimestampError) Error() string

Error returns the stringified error

type Database 

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

Database represents our data storage services

func New added in v0.4.3 

func New(
	logger *slog.Logger,
	dataDir string,
) (*Database, error)

New creates a new database instance with optional persistence using the provided data directory

func (*Database) ApplyPParamUpdates added in v0.4.4 

func (d *Database) ApplyPParamUpdates(
	slot, epoch uint64,
	era uint,
	currentPParams *lcommon.ProtocolParameters,
	decodeFunc func([]byte) (any, error),
	updateFunc func(lcommon.ProtocolParameters, any) (lcommon.ProtocolParameters, error),
	txn *Txn,
) error

func (*Database) Blob 

func (d *Database) Blob() blob.BlobStore

Blob returns the underling blob store instance

func (*Database) BlobTxn added in v0.4.3 

func (d *Database) BlobTxn(readWrite bool) *Txn

BlobTxn starts a new blob-only database transaction and returns a handle to it

func (*Database) BlockByIndex added in v0.4.5 

func (d *Database) BlockByIndex(blockIndex uint64, txn *Txn) (Block, error)

func (*Database) BlockCreate added in v0.4.5 

func (d *Database) BlockCreate(block Block, txn *Txn) error

func (*Database) Close 

func (d *Database) Close() error

Close cleans up the database connections

func (*Database) DataDir added in v0.4.3 

func (d *Database) DataDir() string

DataDir returns the path to the data directory used for storage

func (*Database) GetEpochLatest added in v0.4.3 

func (d *Database) GetEpochLatest(txn *Txn) (Epoch, error)

func (*Database) GetEpochsByEra added in v0.4.3 

func (d *Database) GetEpochsByEra(eraId uint, txn *Txn) ([]Epoch, error)

func (*Database) GetPParams added in v0.4.4 

func (d *Database) GetPParams(
	epoch uint64,
	decodeFunc func([]byte) (lcommon.ProtocolParameters, error),
	txn *Txn,
) (lcommon.ProtocolParameters, error)

func (*Database) GetPoolRegistrations added in v0.4.3 

func (d *Database) GetPoolRegistrations(
	poolKeyHash lcommon.PoolKeyHash,
	txn *Txn,
) ([]lcommon.PoolRegistrationCertificate, error)

GetPoolRegistrations returns a list of pool registration certificates

func (*Database) GetStakeRegistrations added in v0.4.3 

func (d *Database) GetStakeRegistrations(
	stakingKey []byte,
	txn *Txn,
) ([]lcommon.StakeRegistrationCertificate, error)

GetStakeRegistrations returns a list of stake registration certificates

func (*Database) GetTip added in v0.4.3 

func (d *Database) GetTip(txn *Txn) (ochainsync.Tip, error)

GetTip returns the current tip as represented by the protocol

func (*Database) Logger added in v0.4.3 

func (d *Database) Logger() *slog.Logger

Logger returns the logger instance

func (*Database) Metadata 

func (d *Database) Metadata() metadata.MetadataStore

Metadata returns the underlying metadata store instance

func (*Database) MetadataTxn added in v0.4.3 

func (d *Database) MetadataTxn(readWrite bool) *Txn

MetadataTxn starts a new metadata-only database transaction and returns a handle to it

func (*Database) NewUtxo added in v0.4.4 

func (d *Database) NewUtxo(
	txId []byte,
	outputIdx uint32,
	slot uint64,
	paymentKey, stakeKey, cbor []byte,
	txn *Txn,
) error

func (*Database) SetEpoch added in v0.4.3 

func (d *Database) SetEpoch(
	slot, epoch uint64,
	nonce []byte,
	era, slotLength, lengthInSlots uint,
	txn *Txn,
) error

func (*Database) SetPParamUpdate added in v0.4.4 

func (d *Database) SetPParamUpdate(
	genesis, params []byte,
	slot, epoch uint64,
	txn *Txn,
) error

func (*Database) SetPParams added in v0.4.4 

func (d *Database) SetPParams(
	params []byte,
	slot, epoch uint64,
	era uint,
	txn *Txn,
) error

func (*Database) SetPoolRegistration added in v0.4.3 

func (d *Database) SetPoolRegistration(
	cert *lcommon.PoolRegistrationCertificate,
	slot, deposit uint64,
	txn *Txn,
) error

SetPoolRegistration saves a pool registration certificate

func (*Database) SetPoolRetirement added in v0.4.3 

func (d *Database) SetPoolRetirement(
	cert *lcommon.PoolRetirementCertificate,
	slot uint64,
	txn *Txn,
) error

SetPoolRetirement saves a pool retirement certificate

func (*Database) SetRegistration added in v0.5.0 

func (d *Database) SetRegistration(
	cert *lcommon.RegistrationCertificate,
	slot, deposit uint64,
	txn *Txn,
) error

SetRegistration saves a registration certificate

func (*Database) SetStakeDelegation added in v0.4.3 

func (d *Database) SetStakeDelegation(
	cert *lcommon.StakeDelegationCertificate,
	slot uint64,
	txn *Txn,
) error

SetStakeDelegation saves a stake delegation certificate

func (*Database) SetStakeDeregistration added in v0.4.3 

func (d *Database) SetStakeDeregistration(
	cert *lcommon.StakeDeregistrationCertificate,
	slot uint64,
	txn *Txn,
) error

SetStakeDeregistration saves a stake deregistration certificate

func (*Database) SetStakeRegistration added in v0.4.3 

func (d *Database) SetStakeRegistration(
	cert *lcommon.StakeRegistrationCertificate,
	slot, deposit uint64,
	txn *Txn,
) error

SetStakeRegistration saves a stake registration certificate

func (*Database) SetTip added in v0.4.3 

func (d *Database) SetTip(tip ochainsync.Tip, txn *Txn) error

SetTip saves the current tip

func (*Database) Transaction 

func (d *Database) Transaction(readWrite bool) *Txn

Transaction starts a new database transaction and returns a handle to it

func (*Database) UtxoByRef added in v0.4.3 

func (d *Database) UtxoByRef(
	txId []byte,
	outputIdx uint32,
	txn *Txn,
) (Utxo, error)

func (*Database) UtxoConsume added in v0.4.4 

func (d *Database) UtxoConsume(
	utxoId ledger.TransactionInput,
	slot uint64,
	txn *Txn,
) error

func (*Database) UtxosByAddress added in v0.4.3 

func (d *Database) UtxosByAddress(
	addr ledger.Address,
	txn *Txn,
) ([]Utxo, error)

func (*Database) UtxosDeleteConsumed added in v0.4.4 

func (d *Database) UtxosDeleteConsumed(
	slot uint64,
	txn *Txn,
) error

func (*Database) UtxosDeleteRolledback added in v0.4.3 

func (d *Database) UtxosDeleteRolledback(
	slot uint64,
	txn *Txn,
) error

func (*Database) UtxosUnspend added in v0.4.3 

func (d *Database) UtxosUnspend(
	slot uint64,
	txn *Txn,
) error

type Epoch added in v0.4.3 

type Epoch struct {
	ID uint `gorm:"primarykey"`
	// NOTE: we would normally use this as the primary key, but GORM doesn't
	// like a primary key value of 0
	EpochId       uint64 `gorm:"uniqueIndex"`
	StartSlot     uint64
	Nonce         []byte
	EraId         uint
	SlotLength    uint
	LengthInSlots uint
}

func (Epoch) TableName added in v0.4.3 

func (Epoch) TableName() string

type Txn 

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

Txn is a wrapper around the transaction objects for the underlying DB engines

func NewBlobOnlyTxn added in v0.4.3 

func NewBlobOnlyTxn(db *Database, readWrite bool) *Txn

func NewMetadataOnlyTxn added in v0.4.3 

func NewMetadataOnlyTxn(db *Database, readWrite bool) *Txn

func NewTxn 

func NewTxn(db *Database, readWrite bool) *Txn

func (*Txn) Blob 

func (t *Txn) Blob() *badger.Txn

func (*Txn) Commit 

func (t *Txn) Commit() error

func (*Txn) DB added in v0.4.2 

func (t *Txn) DB() *Database

func (*Txn) Do 

func (t *Txn) Do(fn func(*Txn) error) error

Do executes the specified function in the context of the transaction. Any errors returned will result in the transaction being rolled back

func (*Txn) Metadata 

func (t *Txn) Metadata() *gorm.DB

func (*Txn) Rollback 

func (t *Txn) Rollback() error

type Utxo added in v0.4.2 

type Utxo struct {
	ID          uint   `gorm:"primarykey"`
	TxId        []byte `gorm:"index:tx_id_output_idx"`
	OutputIdx   uint32 `gorm:"index:tx_id_output_idx"`
	AddedSlot   uint64 `gorm:"index"`
	DeletedSlot uint64 `gorm:"index"`
	PaymentKey  []byte `gorm:"index"`
	StakingKey  []byte `gorm:"index"`
	Cbor        []byte `gorm:"-"` // This is not represented in the metadata DB
}

func (*Utxo) Decode added in v0.4.2 

func (u *Utxo) Decode() (ledger.TransactionOutput, error)

func (*Utxo) TableName added in v0.4.2 

func (u *Utxo) TableName() string

Source Files

View all Source files

Directories

Path Synopsis
blob
blob/badger
metadata
metadata/sqlite
metadata/sqlite/models

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