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返回deliverfiltered
	NewDeliverFiltered(ctx context.Context, opts ...grpc.CallOption) (DeliverFiltered, error)

	//证书返回传递客户端提交对等端的TLS证书
	Certificate() *tls.Certificate
}

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

type FabricTxSubmitter interface {

	//Submit允许客户为FabToken构建和提交一个结构事务，该FabToken具有
	//有效负载序列化的Tx；它将字节数组作为输入
	//并返回一个错误，指示Tx提交的成功或失败以及一个错误
	//解释原因。
	Submit(tx []byte) error
}

type OrdererClient interface {
	//Newbroadcast返回广播
	NewBroadcast(ctx context.Context, opts ...grpc.CallOption) (Broadcast, error)

	//证书返回订购方客户端的TLS证书
	Certificate() *tls.Certificate
}

type Prover interface {

	//requestimport允许客户机向验证程序对等服务提交问题请求；
	//该函数作为参数tokenstoissue和客户端的签名标识；
	//它以字节为单位返回响应，并在请求失败时返回错误消息。
	//响应对应于序列化的令牌事务Protobuf消息。
	RequestImport(tokensToIssue []*token.TokenToIssue, signingIdentity tk.SigningIdentity) ([]byte, error)

	//RequestTransfer允许客户端向验证程序对等服务提交传输请求；
	//函数将fabtoken应用程序凭证（令牌的标识符）作为参数。
	//转让人和描述如何分配的股份
	//在接收者之间；如果
	//请求失败
	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对给定的有效负载进行签名并返回签名
	Sign([]byte) ([]byte, error)
}

type SignerIdentity interface {
	Signer

	//serialize返回用于验证的此标识的字节表示形式
	//此SignerIdentity签名的邮件
	Serialize() ([]byte, error)
}

type TimeFunc func() time.Time

type TxEvent struct {
	Txid       string
	Committed  bool
	CommitPeer string
	Err        error
}

type TxSubmitter struct {
	Config        *ClientConfig
	Signer        SignerIdentity
	Creator       []byte
	OrdererClient OrdererClient
	DeliverClient DeliverClient
}