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local_client.go
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local_client.go
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package abcicli
import (
"context"
types "github.com/cometbft/cometbft/abci/types"
"github.com/cometbft/cometbft/libs/service"
cmtsync "github.com/cometbft/cometbft/libs/sync"
)
// NOTE: use defer to unlock mutex because Application might panic (e.g., in
// case of malicious tx or query). It only makes sense for publicly exposed
// methods like CheckTx (/broadcast_tx_* RPC endpoint) or Query (/abci_query
// RPC endpoint), but defers are used everywhere for the sake of consistency.
type localClient struct {
service.BaseService
mtx *cmtsync.Mutex
types.Application
Callback
}
var _ Client = (*localClient)(nil)
// NewLocalClient creates a local client, which wraps the application interface that
// Tendermint as the client will call to the application as the server. The only
// difference, is that the local client has a global mutex which enforces serialization
// of all the ABCI calls from Tendermint to the Application.
func NewLocalClient(mtx *cmtsync.Mutex, app types.Application) Client {
if mtx == nil {
mtx = new(cmtsync.Mutex)
}
cli := &localClient{
mtx: mtx,
Application: app,
}
cli.BaseService = *service.NewBaseService(nil, "localClient", cli)
return cli
}
func (app *localClient) SetResponseCallback(cb Callback) {
app.mtx.Lock()
app.Callback = cb
app.mtx.Unlock()
}
func (app *localClient) CheckTxAsync(ctx context.Context, req *types.RequestCheckTx) (*ReqRes, error) {
app.mtx.Lock()
defer app.mtx.Unlock()
res, err := app.Application.CheckTx(ctx, req)
if err != nil {
return nil, err
}
return app.callback(
types.ToRequestCheckTx(req),
types.ToResponseCheckTx(res),
), nil
}
func (app *localClient) callback(req *types.Request, res *types.Response) *ReqRes {
app.Callback(req, res)
rr := newLocalReqRes(req, res)
rr.callbackInvoked = true
return rr
}
func newLocalReqRes(req *types.Request, res *types.Response) *ReqRes {
reqRes := NewReqRes(req)
reqRes.Response = res
return reqRes
}
//-------------------------------------------------------
func (app *localClient) Error() error {
return nil
}
func (app *localClient) Flush(context.Context) error {
return nil
}
func (app *localClient) Echo(_ context.Context, msg string) (*types.ResponseEcho, error) {
return &types.ResponseEcho{Message: msg}, nil
}
func (app *localClient) Info(ctx context.Context, req *types.RequestInfo) (*types.ResponseInfo, error) {
app.mtx.Lock()
defer app.mtx.Unlock()
return app.Application.Info(ctx, req)
}
func (app *localClient) CheckTx(ctx context.Context, req *types.RequestCheckTx) (*types.ResponseCheckTx, error) {
app.mtx.Lock()
defer app.mtx.Unlock()
return app.Application.CheckTx(ctx, req)
}
func (app *localClient) Query(ctx context.Context, req *types.RequestQuery) (*types.ResponseQuery, error) {
app.mtx.Lock()
defer app.mtx.Unlock()
return app.Application.Query(ctx, req)
}
func (app *localClient) Commit(ctx context.Context, req *types.RequestCommit) (*types.ResponseCommit, error) {
app.mtx.Lock()
defer app.mtx.Unlock()
return app.Application.Commit(ctx, req)
}
func (app *localClient) InitChain(ctx context.Context, req *types.RequestInitChain) (*types.ResponseInitChain, error) {
app.mtx.Lock()
defer app.mtx.Unlock()
return app.Application.InitChain(ctx, req)
}
func (app *localClient) ListSnapshots(ctx context.Context, req *types.RequestListSnapshots) (*types.ResponseListSnapshots, error) {
app.mtx.Lock()
defer app.mtx.Unlock()
return app.Application.ListSnapshots(ctx, req)
}
func (app *localClient) OfferSnapshot(ctx context.Context, req *types.RequestOfferSnapshot) (*types.ResponseOfferSnapshot, error) {
app.mtx.Lock()
defer app.mtx.Unlock()
return app.Application.OfferSnapshot(ctx, req)
}
func (app *localClient) LoadSnapshotChunk(ctx context.Context,
req *types.RequestLoadSnapshotChunk) (*types.ResponseLoadSnapshotChunk, error) {
app.mtx.Lock()
defer app.mtx.Unlock()
return app.Application.LoadSnapshotChunk(ctx, req)
}
func (app *localClient) ApplySnapshotChunk(ctx context.Context,
req *types.RequestApplySnapshotChunk) (*types.ResponseApplySnapshotChunk, error) {
app.mtx.Lock()
defer app.mtx.Unlock()
return app.Application.ApplySnapshotChunk(ctx, req)
}
func (app *localClient) PrepareProposal(ctx context.Context, req *types.RequestPrepareProposal) (*types.ResponsePrepareProposal, error) {
app.mtx.Lock()
defer app.mtx.Unlock()
return app.Application.PrepareProposal(ctx, req)
}
func (app *localClient) ProcessProposal(ctx context.Context, req *types.RequestProcessProposal) (*types.ResponseProcessProposal, error) {
app.mtx.Lock()
defer app.mtx.Unlock()
return app.Application.ProcessProposal(ctx, req)
}
func (app *localClient) ExtendVote(ctx context.Context, req *types.RequestExtendVote) (*types.ResponseExtendVote, error) {
app.mtx.Lock()
defer app.mtx.Unlock()
return app.Application.ExtendVote(ctx, req)
}
func (app *localClient) VerifyVoteExtension(ctx context.Context, req *types.RequestVerifyVoteExtension) (*types.ResponseVerifyVoteExtension, error) {
app.mtx.Lock()
defer app.mtx.Unlock()
return app.Application.VerifyVoteExtension(ctx, req)
}
func (app *localClient) FinalizeBlock(ctx context.Context, req *types.RequestFinalizeBlock) (*types.ResponseFinalizeBlock, error) {
app.mtx.Lock()
defer app.mtx.Unlock()
return app.Application.FinalizeBlock(ctx, req)
}