Revert "delete everything" (includes everything non-go-crypto)

This reverts commit 96a3502

benchmarks/map_test.go

@@ -0,0 +1,35 @@
+package benchmarks
+
+import (
+	"testing"
+
+	cmn "github.com/tendermint/tmlibs/common"
+)
+
+func BenchmarkSomething(b *testing.B) {
+	b.StopTimer()
+	numItems := 100000
+	numChecks := 100000
+	keys := make([]string, numItems)
+	for i := 0; i < numItems; i++ {
+		keys[i] = cmn.RandStr(100)
+	}
+	txs := make([]string, numChecks)
+	for i := 0; i < numChecks; i++ {
+		txs[i] = cmn.RandStr(100)
+	}
+	b.StartTimer()
+
+	counter := 0
+	for j := 0; j < b.N; j++ {
+		foo := make(map[string]string)
+		for _, key := range keys {
+			foo[key] = key
+		}
+		for _, tx := range txs {
+			if _, ok := foo[tx]; ok {
+				counter++
+			}
+		}
+	}
+}