Begin adding proof calls

example/chain_aware/chain_aware_app.go

@@ -61,6 +61,10 @@ func (app *ChainAwareApplication) Query(query []byte) types.Result {
 	return types.NewResultOK([]byte(Fmt("%d,%d", app.beginCount, app.endCount)), "")
 }
 
+func (app *ChainAwareApplication) Proof(key []byte) types.Result {
+	return types.NewResultOK(nil, Fmt("Proof is not supported"))
+}
+
 func (app *ChainAwareApplication) BeginBlock(hash []byte, header *types.Header) {
 	app.beginCount += 1
 	return

example/counter/counter.go

@@ -83,3 +83,7 @@ func (app *CounterApplication) Query(query []byte) types.Result {
 
 	return types.ErrUnknownRequest.SetLog(Fmt("Invalid nonce. Expected hash or tx, got %v", queryStr))
 }
+
+func (app *CounterApplication) Proof(key []byte) types.Result {
+	return types.NewResultOK(nil, Fmt("Proof is not supported"))
+}

example/dummy/dummy.go

@@ -53,6 +53,10 @@ func (app *DummyApplication) Query(query []byte) types.Result {
 	return types.NewResultOK(wire.JSONBytes(queryResult), "")
 }
 
+func (app *DummyApplication) Proof(key []byte) types.Result {
+	return types.NewResultOK(nil, Fmt("TODO: support proof!"))
+}
+
 type QueryResult struct {
 	Index    int    `json:"index"`
 	Value    string `json:"value"`

example/dummy/persistent_dummy.go

@@ -93,6 +93,10 @@ func (app *PersistentDummyApplication) Query(query []byte) types.Result {
 	return app.app.Query(query)
 }
 
+func (app *PersistentDummyApplication) Proof(key []byte) types.Result {
+	return types.NewResultOK(nil, Fmt("TODO: support proof!"))
+}
+
 // Save the validators in the merkle tree
 func (app *PersistentDummyApplication) InitChain(validators []*types.Validator) {
 	for _, v := range validators {

example/nil/nil_app.go

@@ -34,3 +34,7 @@ func (app *NilApplication) Commit() types.Result {
 func (app *NilApplication) Query(query []byte) types.Result {
 	return types.NewResultOK(nil, "")
 }
+
+func (app *NilApplication) Proof(key []byte) types.Result {
+	return types.NewResultOK(nil, "")
+}