kvledger

package
v0.17.0 Latest Latest
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Published: Jul 11, 2018 License: Apache-2.0 Imports: 24 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

View Source
var (
	// ErrLedgerIDExists is thrown by a CreateLedger call if a ledger with the given id already exists
	ErrLedgerIDExists = errors.New("LedgerID already exists")
	// ErrNonExistingLedgerID is thrown by a OpenLedger call if a ledger with the given id does not exist
	ErrNonExistingLedgerID = errors.New("LedgerID does not exist")
	// ErrLedgerNotOpened is thrown by a CloseLedger call if a ledger with the given id has not been opened
	ErrLedgerNotOpened = errors.New("Ledger is not opened yet")
)

Functions

func NewProvider

func NewProvider() (ledger.PeerLedgerProvider, error)

NewProvider instantiates a new Provider. This is not thread-safe and assumed to be synchronized be the caller

Types

type Provider

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

Provider implements interface ledger.PeerLedgerProvider

func (*Provider) Close

func (provider *Provider) Close()

Close implements the corresponding method from interface ledger.PeerLedgerProvider

func (*Provider) Create

func (provider *Provider) Create(genesisBlock *common.Block) (ledger.PeerLedger, error)

Create implements the corresponding method from interface ledger.PeerLedgerProvider This functions sets a under construction flag before doing any thing related to ledger creation and upon a successful ledger creation with the committed genesis block, removes the flag and add entry into created ledgers list (atomically). If a crash happens in between, the 'recoverUnderConstructionLedger' function is invoked before declaring the provider to be usable

func (*Provider) Exists

func (provider *Provider) Exists(ledgerID string) (bool, error)

Exists implements the corresponding method from interface ledger.PeerLedgerProvider

func (*Provider) List

func (provider *Provider) List() ([]string, error)

List implements the corresponding method from interface ledger.PeerLedgerProvider

func (*Provider) Open

func (provider *Provider) Open(ledgerID string) (ledger.PeerLedger, error)

Open implements the corresponding method from interface ledger.PeerLedgerProvider

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