From c21c2ed69b243553dcff8da1d45b84d5f4a5621d Mon Sep 17 00:00:00 2001
From: Ethan Buchman <ethan@coinculture.info>
Date: Sun, 29 Nov 2015 03:43:49 -0500
Subject: [PATCH] counter example

---
 example/counter.go | 69 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 69 insertions(+)
 create mode 100644 example/counter.go

diff --git a/example/counter.go b/example/counter.go
new file mode 100644
index 000000000..f52997323
--- /dev/null
+++ b/example/counter.go
@@ -0,0 +1,69 @@
+package example
+
+import (
+	"encoding/binary"
+	"fmt"
+
+	. "github.com/tendermint/go-common"
+	"github.com/tendermint/tmsp/types"
+)
+
+type CounterApplication struct {
+	hashCount     int
+	lastHashCount int
+
+	txCount     int
+	lastTxCount int
+
+	commitCount int
+}
+
+func NewCounterApplication() *CounterApplication {
+	return &CounterApplication{}
+}
+
+func (dapp *CounterApplication) Echo(message string) string {
+	return message
+}
+
+func (dapp *CounterApplication) Info() []string {
+	return []string{Fmt("hash, tx, commit counts:%d, %d, %d", dapp.hashCount, dapp.txCount, dapp.commitCount)}
+}
+
+func (dapp *CounterApplication) SetOption(key string, value string) types.RetCode {
+	return 0
+}
+
+func (dapp *CounterApplication) AppendTx(tx []byte) ([]types.Event, types.RetCode) {
+	dapp.txCount += 1
+	return nil, 0
+}
+
+func (dapp *CounterApplication) GetHash() ([]byte, types.RetCode) {
+	fmt.Println("getting hash!")
+	hash := make([]byte, 32)
+	binary.PutVarint(hash, int64(dapp.hashCount))
+	dapp.hashCount += 1
+	return hash, 0
+}
+
+func (dapp *CounterApplication) Commit() types.RetCode {
+	dapp.lastHashCount = dapp.hashCount
+	dapp.lastTxCount = dapp.txCount
+	dapp.commitCount += 1
+	return 0
+}
+
+func (dapp *CounterApplication) Rollback() types.RetCode {
+	dapp.hashCount = dapp.lastHashCount
+	dapp.txCount = dapp.lastTxCount
+	return 0
+}
+
+func (dapp *CounterApplication) AddListener(key string) types.RetCode {
+	return 0
+}
+
+func (dapp *CounterApplication) RemListener(key string) types.RetCode {
+	return 0
+}