package types // nolint: goimports import ( context "golang.org/x/net/context" ) // Application is an interface that enables any finite, deterministic state machine // to be driven by a blockchain-based replication engine via the ABCI. // All methods take a RequestXxx argument and return a ResponseXxx argument, // except CheckTx/DeliverTx, which take `tx []byte`, and `Commit`, which takes nothing. type Application interface { // Info/Query Connection Info(RequestInfo) ResponseInfo // Return application info SetOption(RequestSetOption) ResponseSetOption // Set application option Query(RequestQuery) ResponseQuery // Query for state // Mempool Connection CheckTx(tx []byte) ResponseCheckTx // Validate a tx for the mempool // Consensus Connection InitChain(RequestInitChain) ResponseInitChain // Initialize blockchain with validators and other info from TendermintCore BeginBlock(RequestBeginBlock) ResponseBeginBlock // Signals the beginning of a block DeliverTx(tx []byte) ResponseDeliverTx // Deliver a tx for full processing EndBlock(RequestEndBlock) ResponseEndBlock // Signals the end of a block, returns changes to the validator set Commit() ResponseCommit // Commit the state and return the application Merkle root hash } //------------------------------------------------------- // BaseApplication is a base form of Application var _ Application = (*BaseApplication)(nil) type BaseApplication struct { } func NewBaseApplication() *BaseApplication { return &BaseApplication{} } func (BaseApplication) Info(req RequestInfo) ResponseInfo { return ResponseInfo{} } func (BaseApplication) SetOption(req RequestSetOption) ResponseSetOption { return ResponseSetOption{} } func (BaseApplication) DeliverTx(tx []byte) ResponseDeliverTx { return ResponseDeliverTx{Code: CodeTypeOK} } func (BaseApplication) CheckTx(tx []byte) ResponseCheckTx { return ResponseCheckTx{Code: CodeTypeOK} } func (BaseApplication) Commit() ResponseCommit { return ResponseCommit{Code: CodeTypeOK} } func (BaseApplication) Query(req RequestQuery) ResponseQuery { return ResponseQuery{Code: CodeTypeOK} } func (BaseApplication) InitChain(req RequestInitChain) ResponseInitChain { return ResponseInitChain{} } func (BaseApplication) BeginBlock(req RequestBeginBlock) ResponseBeginBlock { return ResponseBeginBlock{} } func (BaseApplication) EndBlock(req RequestEndBlock) ResponseEndBlock { return ResponseEndBlock{} } //------------------------------------------------------- // GRPCApplication is a GRPC wrapper for Application type GRPCApplication struct { app Application } func NewGRPCApplication(app Application) *GRPCApplication { return &GRPCApplication{app} } func (app *GRPCApplication) Echo(ctx context.Context, req *RequestEcho) (*ResponseEcho, error) { return &ResponseEcho{req.Message}, nil } func (app *GRPCApplication) Flush(ctx context.Context, req *RequestFlush) (*ResponseFlush, error) { return &ResponseFlush{}, nil } func (app *GRPCApplication) Info(ctx context.Context, req *RequestInfo) (*ResponseInfo, error) { res := app.app.Info(*req) return &res, nil } func (app *GRPCApplication) SetOption(ctx context.Context, req *RequestSetOption) (*ResponseSetOption, error) { res := app.app.SetOption(*req) return &res, nil } func (app *GRPCApplication) DeliverTx(ctx context.Context, req *RequestDeliverTx) (*ResponseDeliverTx, error) { res := app.app.DeliverTx(req.Tx) return &res, nil } func (app *GRPCApplication) CheckTx(ctx context.Context, req *RequestCheckTx) (*ResponseCheckTx, error) { res := app.app.CheckTx(req.Tx) return &res, nil } func (app *GRPCApplication) Query(ctx context.Context, req *RequestQuery) (*ResponseQuery, error) { res := app.app.Query(*req) return &res, nil } func (app *GRPCApplication) Commit(ctx context.Context, req *RequestCommit) (*ResponseCommit, error) { res := app.app.Commit() return &res, nil } func (app *GRPCApplication) InitChain(ctx context.Context, req *RequestInitChain) (*ResponseInitChain, error) { res := app.app.InitChain(*req) return &res, nil } func (app *GRPCApplication) BeginBlock(ctx context.Context, req *RequestBeginBlock) (*ResponseBeginBlock, error) { res := app.app.BeginBlock(*req) return &res, nil } func (app *GRPCApplication) EndBlock(ctx context.Context, req *RequestEndBlock) (*ResponseEndBlock, error) { res := app.app.EndBlock(*req) return &res, nil }