Fix off-by-one in handshake, add debug logging

Author: ethanfrey

app/app.go

@@ -59,6 +59,9 @@ func (app *Basecoin) GetState() sm.SimpleDB {
 // Info - ABCI
 func (app *Basecoin) Info(req abci.RequestInfo) abci.ResponseInfo {
 	resp := app.state.Info()
+	app.logger.Debug("Info",
+		"height", resp.LastBlockHeight,
+		"hash", fmt.Sprintf("%X", resp.LastBlockAppHash))
 	app.height = resp.LastBlockHeight
 	return abci.ResponseInfo{
 		Data:             fmt.Sprintf("Basecoin v%v", version.Version),
@@ -70,7 +73,6 @@ func (app *Basecoin) Info(req abci.RequestInfo) abci.ResponseInfo {
 // InitState - used to setup state (was SetOption)
 // to be used by InitChain later
 func (app *Basecoin) InitState(key string, value string) string {
-
 	module, key := splitKey(key)
 	state := app.state.Append()
 

app/store.go

@@ -99,7 +99,7 @@ func (s *Store) Info() abci.ResponseInfo {
 		"hash", fmt.Sprintf("%X", s.Hash()))
 	return abci.ResponseInfo{
 		Data:             cmn.Fmt("size:%v", s.State.Size()),
-		LastBlockHeight:  s.height - 1,
+		LastBlockHeight:  s.height,
 		LastBlockAppHash: s.Hash(),
 	}
 }