From 58bc1e3cf87ccbdb58e443e957d5012c69239199 Mon Sep 17 00:00:00 2001
From: Ethan Frey <ethanfrey@users.noreply.github.com>
Date: Thu, 6 Jul 2017 17:07:40 +0200
Subject: [PATCH] Simple coin benchmark with memkvstore

---
 modules/coin/bench_test.go | 46 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 modules/coin/bench_test.go

diff --git a/modules/coin/bench_test.go b/modules/coin/bench_test.go
new file mode 100644
index 0000000000..52c819a85e
--- /dev/null
+++ b/modules/coin/bench_test.go
@@ -0,0 +1,46 @@
+package coin
+
+import (
+	"testing"
+
+	cmn "github.com/tendermint/tmlibs/common"
+	"github.com/tendermint/tmlibs/log"
+
+	"github.com/tendermint/basecoin"
+	"github.com/tendermint/basecoin/stack"
+	"github.com/tendermint/basecoin/state"
+)
+
+func makeHandler() basecoin.Handler {
+	return NewHandler()
+}
+
+func makeSimpleTx(from, to basecoin.Actor, amount Coins, seq int) basecoin.Tx {
+	in := []TxInput{{Address: from, Coins: amount, Sequence: seq}}
+	out := []TxOutput{{Address: to, Coins: amount}}
+	return NewSendTx(in, out)
+}
+
+func BenchmarkSimpleTransfer(b *testing.B) {
+	h := makeHandler()
+	store := state.NewMemKVStore()
+	logger := log.NewNopLogger()
+
+	// set the initial account
+	acct := NewAccountWithKey(Coins{{"mycoin", 1234567890}})
+	h.SetOption(logger, store, NameCoin, "account", acct.MakeOption())
+	sender := acct.Actor()
+	receiver := basecoin.Actor{App: "foo", Address: cmn.RandBytes(20)}
+
+	// now, loop...
+	for i := 1; i <= b.N; i++ {
+		ctx := stack.MockContext("foo").WithPermissions(sender)
+		tx := makeSimpleTx(sender, receiver, Coins{{"mycoin", 2}}, i)
+		_, err := h.DeliverTx(ctx, store, tx)
+		// never should error
+		if err != nil {
+			panic(err)
+		}
+	}
+
+}