orion

package
v0.2.0 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Dec 7, 2022 License: Apache-2.0 Imports: 14 Imported by: 5

Documentation

Index

Constants

View Source 
const (
	VALID = driver.VALID
	INVALID_MVCC_CONFLICT_WITHIN_BLOCK
	INVALID_MVCC_CONFLICT_WITH_COMMITTED_STATE
	INVALID_DATABASE_DOES_NOT_EXIST
	INVALID_NO_PERMISSION
	INVALID_INCORRECT_ENTRIES
	INVALID_UNAUTHORISED
	INVALID_MISSING_SIGNATURE
)

Variables

This section is empty.

Functions

func GetOrionNetworkNames 

func GetOrionNetworkNames(sp view2.ServiceProvider) []string

Types

type AccessControl 

type AccessControl = driver.AccessControl

type Committer 

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

Committer models the committer service

func NewCommitter 

func NewCommitter(c driver.Committer) *Committer

func (*Committer) SubscribeTxStatusChanges 

func (c *Committer) SubscribeTxStatusChanges(txID string, listener TxStatusChangeListener) error

SubscribeTxStatusChanges registers a listener for transaction status changes for the passed transaction id. If the transaction id is empty, the listener will be called for all transactions.

func (*Committer) UnsubscribeTxStatusChanges 

func (c *Committer) UnsubscribeTxStatusChanges(txID string, listener TxStatusChangeListener) error

UnsubscribeTxStatusChanges unregisters a listener for transaction status changes for the passed transaction id. If the transaction id is empty, the listener will be called for all transactions.

type DataRead 

type DataRead = driver.DataRead

type DataWrite 

type DataWrite = driver.DataWrite

type Envelope 

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

func (*Envelope) Bytes 

func (e *Envelope) Bytes() ([]byte, error)

func (*Envelope) Creator 

func (e *Envelope) Creator() []byte

func (*Envelope) FromBytes 

func (e *Envelope) FromBytes(raw []byte) error

func (*Envelope) MarshalJSON 

func (e *Envelope) MarshalJSON() ([]byte, error)

func (*Envelope) Nonce 

func (e *Envelope) Nonce() []byte

func (*Envelope) Results 

func (e *Envelope) Results() []byte

func (*Envelope) String 

func (e *Envelope) String() string

func (*Envelope) TxID 

func (e *Envelope) TxID() string

func (*Envelope) UnmarshalJSON 

func (e *Envelope) UnmarshalJSON(raw []byte) error

type EnvelopeService 

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

func (*EnvelopeService) Exists 

func (e *EnvelopeService) Exists(txid string) bool

func (*EnvelopeService) LoadEnvelope 

func (e *EnvelopeService) LoadEnvelope(txid string) ([]byte, error)

func (*EnvelopeService) StoreEnvelope 

func (e *EnvelopeService) StoreEnvelope(txid string, env interface{}) error

type Finality 

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

func (*Finality) IsFinal 

func (c *Finality) IsFinal(ctx context.Context, txID string) error

func (*Finality) IsFinalForParties 

func (c *Finality) IsFinalForParties(txID string, parties ...view.Identity) error

type Flag 

type Flag = driver.Flag

type GetStateOpt 

type GetStateOpt int
const (
	FromStorage GetStateOpt = iota
	FromIntermediate
	FromBoth
)

type IdentityManager 

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

func (*IdentityManager) Me 

func (im *IdentityManager) Me() string

type Ledger 

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

func (*Ledger) GetTransactionByID 

func (l *Ledger) GetTransactionByID(txID string) (*ProcessedTransaction, error)

type LoadedTransaction 

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

func (*LoadedTransaction) CoSignAndClose 

func (t *LoadedTransaction) CoSignAndClose() ([]byte, error)

func (*LoadedTransaction) Commit 

func (t *LoadedTransaction) Commit() error

func (*LoadedTransaction) ID 

func (t *LoadedTransaction) ID() string

func (*LoadedTransaction) MustSignUsers 

func (t *LoadedTransaction) MustSignUsers() []string

func (*LoadedTransaction) Reads 

func (t *LoadedTransaction) Reads() map[string][]*DataRead

func (*LoadedTransaction) SignedUsers 

func (t *LoadedTransaction) SignedUsers() []string

func (*LoadedTransaction) Writes 

func (t *LoadedTransaction) Writes() map[string][]*DataWrite

type MetadataService 

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

func (*MetadataService) Exists 

func (m *MetadataService) Exists(txid string) bool

func (*MetadataService) LoadTransient 

func (m *MetadataService) LoadTransient(txid string) (TransientMap, error)

func (*MetadataService) StoreTransient 

func (m *MetadataService) StoreTransient(txid string, transientMap TransientMap) error

type NetworkService 

type NetworkService struct {
	SP view2.ServiceProvider
	// contains filtered or unexported fields
}

NetworkService models a Orion Network

func GetDefaultONS 

func GetDefaultONS(sp view2.ServiceProvider) *NetworkService

GetDefaultONS returns the default Orion Network Service

func GetOrionNetworkService 

func GetOrionNetworkService(sp view2.ServiceProvider, id string) *NetworkService

GetOrionNetworkService returns the Orion Network Service for the passed id, nil if not found

func NewNetworkService 

func NewNetworkService(SP view2.ServiceProvider, ons driver.OrionNetworkService, name string) *NetworkService

func (*NetworkService) Committer 

func (n *NetworkService) Committer() *Committer

Committer returns the committer service

func (*NetworkService) EnvelopeService 

func (n *NetworkService) EnvelopeService() *EnvelopeService

func (*NetworkService) Finality 

func (n *NetworkService) Finality() *Finality

func (*NetworkService) IdentityManager 

func (n *NetworkService) IdentityManager() *IdentityManager

func (*NetworkService) MetadataService 

func (n *NetworkService) MetadataService() *MetadataService

func (*NetworkService) Name 

func (n *NetworkService) Name() string

Name of this network

func (*NetworkService) ProcessorManager 

func (n *NetworkService) ProcessorManager() *ProcessorManager

ProcessorManager returns the processor manager of this network

func (*NetworkService) SessionManager 

func (n *NetworkService) SessionManager() *SessionManager

func (*NetworkService) TransactionManager 

func (n *NetworkService) TransactionManager() *TransactionManager

TransactionManager returns the transaction manager of this network

func (*NetworkService) Vault 

func (n *NetworkService) Vault() *Vault

type NetworkServiceProvider 

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

func GetNetworkServiceProvider 

func GetNetworkServiceProvider(sp view2.ServiceProvider) *NetworkServiceProvider

func NewNetworkServiceProvider 

func NewNetworkServiceProvider(sp view2.ServiceProvider) *NetworkServiceProvider

func (*NetworkServiceProvider) NetworkService 

func (nsp *NetworkServiceProvider) NetworkService(id string) (*NetworkService, error)

type ProcessTransaction 

type ProcessTransaction interface {
	Network() string
	ID() string
	FunctionAndParameters() (string, []string)
}

type ProcessedTransaction 

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

ProcessedTransaction models a transaction that has been processed by Fabric

func (*ProcessedTransaction) TxID 

func (pt *ProcessedTransaction) TxID() string

TxID returns the transaction's id

func (*ProcessedTransaction) ValidationCode 

func (pt *ProcessedTransaction) ValidationCode() Flag

ValidationCode returns the transaction's validation code

type Processor 

type Processor interface {
	Process(req Request, tx ProcessTransaction, rws *RWSet, ns string) error
}

type ProcessorManager 

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

func (*ProcessorManager) AddProcessor 

func (pm *ProcessorManager) AddProcessor(ns string, p Processor) error

func (*ProcessorManager) SetDefaultProcessor 

func (pm *ProcessorManager) SetDefaultProcessor(p Processor) error

type QueryExecutor 

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

func (*QueryExecutor) Done 

func (qe *QueryExecutor) Done()

func (*QueryExecutor) GetState 

func (qe *QueryExecutor) GetState(namespace string, key string) ([]byte, error)

func (*QueryExecutor) GetStateMetadata 

func (qe *QueryExecutor) GetStateMetadata(namespace, key string) (map[string][]byte, uint64, uint64, error)

func (*QueryExecutor) GetStateRangeScanIterator 

func (qe *QueryExecutor) GetStateRangeScanIterator(namespace string, startKey string, endKey string) (*ResultsIterator, error)

type QueryIterator 

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

func (*QueryIterator) Next 

func (i *QueryIterator) Next() (string, []byte, uint64, uint64, bool, error)

type RWSet 

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

func (*RWSet) AppendRWSet 

func (r *RWSet) AppendRWSet(raw []byte, nss ...string) error

func (*RWSet) Bytes 

func (r *RWSet) Bytes() ([]byte, error)

func (*RWSet) Clear 

func (r *RWSet) Clear(ns string) error

func (*RWSet) DeleteState 

func (r *RWSet) DeleteState(namespace string, key string) error

DeleteState deletes the given namespace and key

func (*RWSet) Done 

func (r *RWSet) Done()

func (*RWSet) Equals 

func (r *RWSet) Equals(rws interface{}, nss ...string) error

func (*RWSet) GetReadAt 

func (r *RWSet) GetReadAt(ns string, i int) (string, []byte, error)

GetReadAt returns the i-th read (key, value) in the namespace ns of this rwset. The value is loaded from the ledger, if present. If the key's version in the ledger does not match the key's version in the read, then it returns an error.

func (*RWSet) GetReadKeyAt 

func (r *RWSet) GetReadKeyAt(ns string, i int) (string, error)

func (*RWSet) GetState 

func (r *RWSet) GetState(namespace string, key string, opts ...GetStateOpt) ([]byte, error)

func (*RWSet) GetStateMetadata 

func (r *RWSet) GetStateMetadata(namespace, key string, opts ...GetStateOpt) (map[string][]byte, error)

func (*RWSet) GetWriteAt 

func (r *RWSet) GetWriteAt(ns string, i int) (string, []byte, error)

GetWriteAt returns the i-th write (key, value) in the namespace ns of this rwset.

func (*RWSet) IsValid 

func (r *RWSet) IsValid() error

func (*RWSet) Namespaces 

func (r *RWSet) Namespaces() []string

Namespaces returns the namespace labels in this rwset.

func (*RWSet) NumReads 

func (r *RWSet) NumReads(ns string) int

NumReads returns the number of reads in the namespace ns of this rwset.

func (*RWSet) NumWrites 

func (r *RWSet) NumWrites(ns string) int

NumWrites returns the number of writes in the namespace ns of this rwset.

func (*RWSet) RWS 

func (r *RWSet) RWS() driver.RWSet

func (*RWSet) SetState 

func (r *RWSet) SetState(namespace string, key string, value []byte) error

SetState sets the given value for the given namespace and key.

func (*RWSet) SetStateMetadata 

func (r *RWSet) SetStateMetadata(namespace, key string, metadata map[string][]byte) error

SetStateMetadata sets the metadata associated with an existing key-tuple <namespace, key>

type Read 

type Read struct {
	Key          string
	Raw          []byte
	Block        uint64
	IndexInBlock int
}

func (*Read) K 

func (v *Read) K() string

func (*Read) V 

func (v *Read) V() []byte

type Request 

type Request interface {
	ID() string
}

type ResultsIterator 

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

ResultsIterator models an query result iterator

func (*ResultsIterator) Close 

func (r *ResultsIterator) Close()

Close releases resources occupied by the iterator

func (*ResultsIterator) Next 

func (r *ResultsIterator) Next() (*Read, error)

Next returns the next item in the result set. The `QueryResult` is expected to be nil when the iterator gets exhausted

type Session 

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

func (*Session) Ledger 

func (s *Session) Ledger() (*Ledger, error)

func (*Session) QueryExecutor 

func (s *Session) QueryExecutor(db string) (*SessionQueryExecutor, error)

type SessionManager 

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

SessionManager is a session manager that allows the developer to access orion directly

func (*SessionManager) NewSession 

func (sm *SessionManager) NewSession(id string) (*Session, error)

NewSession creates a new session to orion using the passed identity

type SessionQueryExecutor 

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

func (*SessionQueryExecutor) Get 

func (d *SessionQueryExecutor) Get(key string) ([]byte, error)

func (*SessionQueryExecutor) GetDataByRange 

func (d *SessionQueryExecutor) GetDataByRange(startKey, endKey string, limit uint64) (*QueryIterator, error)

GetDataByRange executes a range query. The startKey is inclusive but endKey is not. When the startKey is an empty string, it denotes `fetch keys from the beginning` while an empty endKey denotes `fetch keys till the the end`. The limit denotes the number of records to be fetched in total. However, when the limit is set to 0, it denotes no limit. The iterator returned by GetDataByRange is used to retrieve the records.

type Transaction 

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

func (*Transaction) AddMustSignUser 

func (d *Transaction) AddMustSignUser(userID string)

func (*Transaction) Commit 

func (d *Transaction) Commit(sync bool) (string, error)

func (*Transaction) Delete 

func (d *Transaction) Delete(db string, key string) error

func (*Transaction) Get 

func (d *Transaction) Get(db string, key string) ([]byte, error)

func (*Transaction) Put 

func (d *Transaction) Put(db string, key string, bytes []byte, a AccessControl) error

func (*Transaction) SignAndClose 

func (d *Transaction) SignAndClose() ([]byte, error)

type TransactionManager 

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

func (*TransactionManager) CommitEnvelope 

func (t *TransactionManager) CommitEnvelope(session *Session, envelope *Envelope) error

func (*TransactionManager) ComputeTxID 

func (t *TransactionManager) ComputeTxID(id *TxID) string

func (*TransactionManager) NewEnvelope 

func (t *TransactionManager) NewEnvelope() *Envelope

func (*TransactionManager) NewLoadedTransaction 

func (t *TransactionManager) NewLoadedTransaction(env []byte, creator string) (*LoadedTransaction, error)

func (*TransactionManager) NewTransaction 

func (t *TransactionManager) NewTransaction(txID string, creator string) (*Transaction, error)

type TransientMap 

type TransientMap map[string][]byte

func (TransientMap) Exists 

func (m TransientMap) Exists(key string) bool

func (TransientMap) Get 

func (m TransientMap) Get(id string) []byte

func (TransientMap) GetState 

func (m TransientMap) GetState(key string, state interface{}) error

func (TransientMap) IsEmpty 

func (m TransientMap) IsEmpty() bool

func (TransientMap) Set 

func (m TransientMap) Set(key string, raw []byte) error

func (TransientMap) SetState 

func (m TransientMap) SetState(key string, state interface{}) error

type TxID 

type TxID struct {
	Nonce   []byte
	Creator []byte
}

func (*TxID) String 

func (t *TxID) String() string

type TxStatusChangeListener 

type TxStatusChangeListener interface {
	// OnStatusChange is called when the status of a transaction changes
	OnStatusChange(txID string, status int) error
}

TxStatusChangeListener is the interface that must be implemented to receive transaction status change notifications

type ValidationCode 

type ValidationCode int
const (
	Valid           ValidationCode // Transaction is valid and committed
	Invalid                        // Transaction is invalid and has been discarded
	Busy                           // Transaction does not yet have a validity state
	Unknown                        // Transaction is unknown
	HasDependencies                // Transaction is unknown but has known dependencies
)

type Vault 

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

Vault models a key-value store that can be updated by committing rwsets

func (*Vault) CommitTX 

func (v *Vault) CommitTX(txid string, block uint64, indexInBloc int) error

func (*Vault) DiscardTx 

func (v *Vault) DiscardTx(txID string) error

func (*Vault) GetLastTxID 

func (v *Vault) GetLastTxID() (string, error)

GetLastTxID returns the last transaction id committed

func (*Vault) GetRWSet 

func (v *Vault) GetRWSet(id string, results []byte) (*RWSet, error)

func (*Vault) NewQueryExecutor 

func (v *Vault) NewQueryExecutor() (*QueryExecutor, error)

func (*Vault) NewRWSet 

func (v *Vault) NewRWSet(txid string) (*RWSet, error)

func (*Vault) Status 

func (v *Vault) Status(txID string) (ValidationCode, error)

func (*Vault) StoreEnvelope 

func (v *Vault) StoreEnvelope(id string, env []byte) error

func (*Vault) StoreTransaction 

func (v *Vault) StoreTransaction(id string, raw []byte) error

func (*Vault) StoreTransient 

func (v *Vault) StoreTransient(id string, tm TransientMap) error

Source Files

View all Source files

Directories

Path Synopsis
generic
generic/committer
generic/config
generic/delivery
generic/finality
generic/ledger
generic/rwset
generic/transaction
generic/vault
generic/vault/mocks
Code generated by counterfeiter.
 Code generated by counterfeiter.
services
db
db/proto
otx

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