client

type Broadcast interface {
	Send(m *common.Envelope) error
	Recv() (*ab.BroadcastResponse, error)
	CloseSend() error
}

type Client struct {
	SigningIdentity tk.SigningIdentity
	Prover          Prover
	TxSubmitter     FabricTxSubmitter
}

type ClientConfig struct {
	ChannelId     string
	MspDir        string
	MspId         string
	TlsEnabled    bool
	OrdererCfg    ConnectionConfig
	CommitPeerCfg ConnectionConfig
	ProverPeerCfg ConnectionConfig
}

type ConnectionConfig struct {
	Address            string
	TlsRootCertFile    string
	ServerNameOverride string
}

type DeliverClient interface {
	// NewDeliverFilterd returns a DeliverFiltered
	NewDeliverFiltered(ctx context.Context, opts ...grpc.CallOption) (DeliverFiltered, error)

	// Certificate returns tls certificate for the deliver client to commit peer
	Certificate() *tls.Certificate
}

type DeliverFiltered interface {
	Send(*common.Envelope) error
	Recv() (*pb.DeliverResponse, error)
	CloseSend() error
}

type FabricTxSubmitter interface {

	// Submit allows the client to build and submit a fabric transaction for fabtoken that has as
	// payload a serialized tx; it takes as input an array of bytes
	// and returns an error indicating the success or the failure of the tx submission and an error
	// explaining why.
	Submit(tx []byte) error
}

type OrdererClient interface {
	// NewBroadcast returns a Broadcast
	NewBroadcast(ctx context.Context, opts ...grpc.CallOption) (Broadcast, error)

	// Certificate returns tls certificate for the orderer client
	Certificate() *tls.Certificate
}

type Prover interface {

	// RequestImport allows the client to submit an issue request to a prover peer service;
	// the function takes as parameters tokensToIssue and the signing identity of the client;
	// it returns a response in bytes and an error message in the case the request fails.
	// The response corresponds to a serialized TokenTransaction protobuf message.
	RequestImport(tokensToIssue []*token.TokenToIssue, signingIdentity tk.SigningIdentity) ([]byte, error)

	// RequestTransfer allows the client to submit a transfer request to a prover peer service;
	// the function takes as parameters a fabtoken application credential, the identifiers of the tokens
	// to be transfererd and the shares describing how they are going to be distributed
	// among recipients; it returns a response in bytes and an error message in the case the
	// request fails
	RequestTransfer(tokenIDs [][]byte, shares []*token.RecipientTransferShare, signingIdentity tk.SigningIdentity) ([]byte, error)
}

type ProverPeer struct {
	ChannelID        string
	ProverClient     token.ProverClient
	RandomnessReader io.Reader
	Time             TimeFunc
}

type Signer interface {
	// Sign signs the given payload and returns a signature
	Sign([]byte) ([]byte,