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245 lines
5.6 KiB
245 lines
5.6 KiB
package abciclient
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import (
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"context"
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"sync"
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types "github.com/tendermint/tendermint/abci/types"
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"github.com/tendermint/tendermint/libs/log"
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"github.com/tendermint/tendermint/libs/service"
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)
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// NOTE: use defer to unlock mutex because Application might panic (e.g., in
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// case of malicious tx or query). It only makes sense for publicly exposed
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// methods like CheckTx (/broadcast_tx_* RPC endpoint) or Query (/abci_query
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// RPC endpoint), but defers are used everywhere for the sake of consistency.
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type localClient struct {
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service.BaseService
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mtx *sync.Mutex
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types.Application
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Callback
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}
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var _ Client = (*localClient)(nil)
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// NewLocalClient creates a local client, which will be directly calling the
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// methods of the given app.
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//
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// Both Async and Sync methods ignore the given context.Context parameter.
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func NewLocalClient(logger log.Logger, mtx *sync.Mutex, app types.Application) Client {
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if mtx == nil {
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mtx = new(sync.Mutex)
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}
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cli := &localClient{
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mtx: mtx,
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Application: app,
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}
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cli.BaseService = *service.NewBaseService(logger, "localClient", cli)
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return cli
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}
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func (*localClient) OnStart(context.Context) error { return nil }
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func (*localClient) OnStop() {}
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func (app *localClient) SetResponseCallback(cb Callback) {
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app.mtx.Lock()
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defer app.mtx.Unlock()
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app.Callback = cb
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}
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// TODO: change types.Application to include Error()?
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func (app *localClient) Error() error {
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return nil
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}
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func (app *localClient) FlushAsync(ctx context.Context) (*ReqRes, error) {
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// Do nothing
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return newLocalReqRes(types.ToRequestFlush(), nil), nil
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}
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func (app *localClient) CheckTxAsync(ctx context.Context, req types.RequestCheckTx) (*ReqRes, error) {
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app.mtx.Lock()
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defer app.mtx.Unlock()
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res := app.Application.CheckTx(req)
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return app.callback(
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types.ToRequestCheckTx(req),
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types.ToResponseCheckTx(res),
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), nil
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}
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//-------------------------------------------------------
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func (app *localClient) Flush(ctx context.Context) error {
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return nil
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}
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func (app *localClient) Echo(ctx context.Context, msg string) (*types.ResponseEcho, error) {
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return &types.ResponseEcho{Message: msg}, nil
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}
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func (app *localClient) Info(ctx context.Context, req types.RequestInfo) (*types.ResponseInfo, error) {
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app.mtx.Lock()
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defer app.mtx.Unlock()
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res := app.Application.Info(req)
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return &res, nil
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}
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func (app *localClient) CheckTx(
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ctx context.Context,
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req types.RequestCheckTx,
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) (*types.ResponseCheckTx, error) {
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app.mtx.Lock()
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defer app.mtx.Unlock()
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res := app.Application.CheckTx(req)
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return &res, nil
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}
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func (app *localClient) Query(
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ctx context.Context,
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req types.RequestQuery,
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) (*types.ResponseQuery, error) {
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app.mtx.Lock()
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defer app.mtx.Unlock()
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res := app.Application.Query(req)
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return &res, nil
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}
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func (app *localClient) Commit(ctx context.Context) (*types.ResponseCommit, error) {
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app.mtx.Lock()
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defer app.mtx.Unlock()
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res := app.Application.Commit()
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return &res, nil
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}
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func (app *localClient) InitChain(
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ctx context.Context,
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req types.RequestInitChain,
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) (*types.ResponseInitChain, error) {
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app.mtx.Lock()
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defer app.mtx.Unlock()
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res := app.Application.InitChain(req)
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return &res, nil
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}
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func (app *localClient) ListSnapshots(
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ctx context.Context,
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req types.RequestListSnapshots,
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) (*types.ResponseListSnapshots, error) {
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app.mtx.Lock()
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defer app.mtx.Unlock()
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res := app.Application.ListSnapshots(req)
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return &res, nil
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}
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func (app *localClient) OfferSnapshot(
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ctx context.Context,
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req types.RequestOfferSnapshot,
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) (*types.ResponseOfferSnapshot, error) {
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app.mtx.Lock()
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defer app.mtx.Unlock()
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res := app.Application.OfferSnapshot(req)
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return &res, nil
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}
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func (app *localClient) LoadSnapshotChunk(
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ctx context.Context,
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req types.RequestLoadSnapshotChunk) (*types.ResponseLoadSnapshotChunk, error) {
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app.mtx.Lock()
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defer app.mtx.Unlock()
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res := app.Application.LoadSnapshotChunk(req)
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return &res, nil
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}
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func (app *localClient) ApplySnapshotChunk(
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ctx context.Context,
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req types.RequestApplySnapshotChunk) (*types.ResponseApplySnapshotChunk, error) {
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app.mtx.Lock()
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defer app.mtx.Unlock()
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res := app.Application.ApplySnapshotChunk(req)
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return &res, nil
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}
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func (app *localClient) PrepareProposal(
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ctx context.Context,
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req types.RequestPrepareProposal) (*types.ResponsePrepareProposal, error) {
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app.mtx.Lock()
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defer app.mtx.Unlock()
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res := app.Application.PrepareProposal(req)
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return &res, nil
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}
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func (app *localClient) ProcessProposal(
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ctx context.Context,
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req types.RequestProcessProposal) (*types.ResponseProcessProposal, error) {
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app.mtx.Lock()
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defer app.mtx.Unlock()
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res := app.Application.ProcessProposal(req)
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return &res, nil
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}
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func (app *localClient) ExtendVote(
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ctx context.Context,
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req types.RequestExtendVote) (*types.ResponseExtendVote, error) {
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app.mtx.Lock()
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defer app.mtx.Unlock()
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res := app.Application.ExtendVote(req)
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return &res, nil
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}
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func (app *localClient) VerifyVoteExtension(
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ctx context.Context,
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req types.RequestVerifyVoteExtension) (*types.ResponseVerifyVoteExtension, error) {
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app.mtx.Lock()
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defer app.mtx.Unlock()
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res := app.Application.VerifyVoteExtension(req)
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return &res, nil
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}
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func (app *localClient) FinalizeBlock(
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ctx context.Context,
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req types.RequestFinalizeBlock) (*types.ResponseFinalizeBlock, error) {
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app.mtx.Lock()
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defer app.mtx.Unlock()
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res := app.Application.FinalizeBlock(req)
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return &res, nil
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}
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//-------------------------------------------------------
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func (app *localClient) callback(req *types.Request, res *types.Response) *ReqRes {
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app.Callback(req, res)
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return newLocalReqRes(req, res)
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}
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func newLocalReqRes(req *types.Request, res *types.Response) *ReqRes {
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reqRes := NewReqRes(req)
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reqRes.Response = res
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reqRes.SetDone()
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return reqRes
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}
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