88 lines
3.2 KiB
Go
88 lines
3.2 KiB
Go
package types // nolint: goimports
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import (
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context "golang.org/x/net/context"
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)
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// Application is an interface that enables any finite, deterministic state machine
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// to be driven by a blockchain-based replication engine via the ABCI
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type Application interface {
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// Info/Query Connection
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Info(RequestInfo) ResponseInfo // Return application info
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SetOption(key string, value string) (log string) // Set application option
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Query(RequestQuery) ResponseQuery // Query for state
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// Mempool Connection
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CheckTx(tx []byte) Result // Validate a tx for the mempool
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// Consensus Connection
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InitChain(RequestInitChain) // Initialize blockchain with validators and other info from TendermintCore
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BeginBlock(RequestBeginBlock) // Signals the beginning of a block
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DeliverTx(tx []byte) Result // Deliver a tx for full processing
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EndBlock(height uint64) ResponseEndBlock // Signals the end of a block, returns changes to the validator set
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Commit() Result // Commit the state and return the application Merkle root hash
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}
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//------------------------------------
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// GRPCApplication is a GRPC wrapper for Application
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type GRPCApplication struct {
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app Application
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}
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func NewGRPCApplication(app Application) *GRPCApplication {
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return &GRPCApplication{app}
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}
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func (app *GRPCApplication) Echo(ctx context.Context, req *RequestEcho) (*ResponseEcho, error) {
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return &ResponseEcho{req.Message}, nil
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}
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func (app *GRPCApplication) Flush(ctx context.Context, req *RequestFlush) (*ResponseFlush, error) {
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return &ResponseFlush{}, nil
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}
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func (app *GRPCApplication) Info(ctx context.Context, req *RequestInfo) (*ResponseInfo, error) {
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resInfo := app.app.Info(*req)
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return &resInfo, nil
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}
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func (app *GRPCApplication) SetOption(ctx context.Context, req *RequestSetOption) (*ResponseSetOption, error) {
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return &ResponseSetOption{app.app.SetOption(req.Key, req.Value)}, nil
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}
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func (app *GRPCApplication) DeliverTx(ctx context.Context, req *RequestDeliverTx) (*ResponseDeliverTx, error) {
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r := app.app.DeliverTx(req.Tx)
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return &ResponseDeliverTx{r.Code, r.Data, r.Log, r.Tags}, nil
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}
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func (app *GRPCApplication) CheckTx(ctx context.Context, req *RequestCheckTx) (*ResponseCheckTx, error) {
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r := app.app.CheckTx(req.Tx)
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return &ResponseCheckTx{r.Code, r.Data, r.Log}, nil
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}
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func (app *GRPCApplication) Query(ctx context.Context, req *RequestQuery) (*ResponseQuery, error) {
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resQuery := app.app.Query(*req)
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return &resQuery, nil
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}
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func (app *GRPCApplication) Commit(ctx context.Context, req *RequestCommit) (*ResponseCommit, error) {
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r := app.app.Commit()
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return &ResponseCommit{r.Code, r.Data, r.Log}, nil
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}
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func (app *GRPCApplication) InitChain(ctx context.Context, req *RequestInitChain) (*ResponseInitChain, error) {
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app.app.InitChain(*req)
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return &ResponseInitChain{}, nil // NOTE: empty return
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}
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func (app *GRPCApplication) BeginBlock(ctx context.Context, req *RequestBeginBlock) (*ResponseBeginBlock, error) {
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app.app.BeginBlock(*req)
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return &ResponseBeginBlock{}, nil // NOTE: empty return
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}
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func (app *GRPCApplication) EndBlock(ctx context.Context, req *RequestEndBlock) (*ResponseEndBlock, error) {
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resEndBlock := app.app.EndBlock(req.Height)
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return &resEndBlock, nil
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}
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