refactor dummy; flush tmsp reqs

example/dummy.go

@@ -0,0 +1,66 @@
+package example
+
+import (
+	. "github.com/tendermint/go-common"
+	"github.com/tendermint/go-merkle"
+	"github.com/tendermint/go-wire"
+	"github.com/tendermint/tmsp/types"
+)
+
+type DummyApplication struct {
+	state           merkle.Tree
+	lastCommitState merkle.Tree
+}
+
+func NewDummyApplication() *DummyApplication {
+	state := merkle.NewIAVLTree(
+		wire.BasicCodec,
+		wire.BasicCodec,
+		0,
+		nil,
+	)
+	return &DummyApplication{
+		state:           state,
+		lastCommitState: state,
+	}
+}
+
+func (dapp *DummyApplication) Echo(message string) string {
+	return message
+}
+
+func (dapp *DummyApplication) Info() []string {
+	return []string{Fmt("size:%v", dapp.state.Size())}
+}
+
+func (dapp *DummyApplication) SetOption(key string, value string) types.RetCode {
+	return 0
+}
+
+func (dapp *DummyApplication) AppendTx(tx []byte) ([]types.Event, types.RetCode) {
+	dapp.state.Set(tx, tx)
+	return nil, 0
+}
+
+func (dapp *DummyApplication) GetHash() ([]byte, types.RetCode) {
+	hash := dapp.state.Hash()
+	return hash, 0
+}
+
+func (dapp *DummyApplication) Commit() types.RetCode {
+	dapp.lastCommitState = dapp.state.Copy()
+	return 0
+}
+
+func (dapp *DummyApplication) Rollback() types.RetCode {
+	dapp.state = dapp.lastCommitState.Copy()
+	return 0
+}
+
+func (dapp *DummyApplication) AddListener(key string) types.RetCode {
+	return 0
+}
+
+func (dapp *DummyApplication) RemListener(key string) types.RetCode {
+	return 0
+}