ledger

type BlockAndPvtData struct {
	Block          *common.Block
	PvtData        TxPvtDataMap
	MissingPvtData TxMissingPvtDataMap
}

type BlockPvtdata struct {
	PvtData        TxPvtDataMap
	MissingPvtData TxMissingPvtDataMap
}

type ChaincodeDefinition struct {
	Name              string
	Hash              []byte
	Version           string
	CollectionConfigs *peer.CollectionConfigPackage
}

type ChaincodeLifecycleDetails struct {
	Updated bool // true, if an existing chaincode is updated (false for newly deployed chaincodes).
	// Following attributes are meaningful only if 'Updated' is true
	HashChanged        bool     // true, if the chaincode code package is changed
	CollectionsUpdated []string // names of the explicit collections that are either added or updated
	CollectionsRemoved []string // names of the explicit collections that are removed
}

type ChaincodeLifecycleEventListener interface {
	// HandleChaincodeDeploy is invoked when chaincode installed + defined becomes true.
	// The expected usage are to creates all the necessary statedb structures (such as indexes) and update
	// service discovery info. This function is invoked immediately before the committing the state changes
	// that contain chaincode definition or when a chaincode install happens
	HandleChaincodeDeploy(chaincodeDefinition *ChaincodeDefinition, dbArtifactsTar []byte) error
	// ChaincodeDeployDone is invoked after the chaincode deployment is finished - `succeeded` indicates
	// whether the deploy finished successfully
	ChaincodeDeployDone(succeeded bool)
}

type ChaincodeLifecycleEventProvider interface {
	RegisterListener(channelID string, listener ChaincodeLifecycleEventListener)
}

type ChaincodeLifecycleInfo struct {
	Name    string
	Deleted bool
	Details *ChaincodeLifecycleDetails // Can contain finer details about lifecycle event that can be used for certain optimization
}

type CollConfigNotDefinedError struct {
	Ns string
}

type CollectionConfigInfo struct {
	CollectionConfig   *peer.CollectionConfigPackage
	CommittingBlockNum uint64
}

type CollectionPvtdataInfo struct {
	Namespace, Collection string
	ExpectedHash          []byte
	CollectionConfig      *peer.StaticCollectionConfig
	Endorsers             []*peer.Endorsement
}

type CommitOptions struct {
	FetchPvtDataFromLedger bool
}

type Config struct {
	// RootFSPath is the top-level directory where ledger files are stored.
	RootFSPath string
	// StateDBConfig holds the configuration parameters for the state database.
	StateDBConfig *StateDBConfig
	// PrivateDataConfig holds the configuration parameters for the private data store.
	PrivateDataConfig *PrivateDataConfig
	// HistoryDBConfig holds the configuration parameters for the transaction history database.
	HistoryDBConfig *HistoryDBConfig
}

type ConfigHistoryRetriever interface {
	CollectionConfigAt(blockNum uint64, chaincodeName string) (*CollectionConfigInfo, error)
	MostRecentCollectionConfigBelow(blockNum uint64, chaincodeName string) (*CollectionConfigInfo, error)
}

type CustomTxProcessor interface {
	GenerateSimulationResults(txEnvelop *common.Envelope, simulator TxSimulator, initializingLedger bool) error
}

type DeployedChaincodeInfo struct {
	Name                        string
	Hash                        []byte
	Version                     string
	ExplicitCollectionConfigPkg *peer.CollectionConfigPackage
	IsLegacy                    bool
}

type DeployedChaincodeInfoProvider interface {
	// Namespaces returns the slice of the namespaces that are used for maintaining chaincode lifecycle data
	Namespaces() []string
	// UpdatedChaincodes returns the chaincodes that are getting updated by the supplied 'stateUpdates'
	UpdatedChaincodes(stateUpdates map[string][]*kvrwset.KVWrite) ([]*ChaincodeLifecycleInfo, error)
	// ChaincodeInfo returns the info about a deployed chaincode
	ChaincodeInfo(channelName, chaincodeName string, qe SimpleQueryExecutor) (*DeployedChaincodeInfo, error)
	// CollectionInfo returns the proto msg that defines the named collection. This function can be called for both explicit and implicit collections
	CollectionInfo(channelName, chaincodeName, collectionName string, qe SimpleQueryExecutor) (*peer.StaticCollectionConfig, error)
	// ImplicitCollections returns a slice that contains one proto msg for each of the implicit collections
	ImplicitCollections(channelName, chaincodeName string, qe SimpleQueryExecutor) ([]*peer.StaticCollectionConfig, error)
	// AllCollectionsConfigPkg returns a combined collection config pkg that contains both explicit and implicit collections
	AllCollectionsConfigPkg(channelName, chaincodeName string, qe SimpleQueryExecutor) (*peer.CollectionConfigPackage, error)
}

type ErrCollectionConfigNotYetAvailable struct {
	MaxBlockNumCommitted uint64
	Msg                  string
}

type Hasher interface {
	Hash(msg []byte, opts bccsp.HashOpts) (hash []