Merge pull request #1470 from hunjixin/hunjixin/test/bls_benchmarks

add bench mark for bls sign and verify

lib/sigs/bls/bls_bench_test.go

@@ -0,0 +1,38 @@
+package bls
+
+import (
+	"crypto/rand"
+	"github.com/filecoin-project/go-address"
+	"testing"
+)
+
+func BenchmarkBLSSign(b *testing.B) {
+	signer := blsSigner{}
+	for i := 0; i < b.N; i++ {
+		b.StopTimer()
+		pk, _ := signer.GenPrivate()
+		randMsg := make([]byte, 32)
+		rand.Read(randMsg)
+		b.StartTimer()
+
+		_, _ = signer.Sign(pk, randMsg)
+	}
+}
+
+func BenchmarkBLSVerify(b *testing.B) {
+	signer := blsSigner{}
+	for i := 0; i < b.N; i++ {
+		b.StopTimer()
+		randMsg := make([]byte, 32)
+		rand.Read(randMsg)
+
+		priv, _ := signer.GenPrivate()
+		pk, _ := signer.ToPublic(priv)
+		addr, _ := address.NewBLSAddress(pk)
+		sig, _ := signer.Sign(priv, randMsg)
+
+		b.StartTimer()
+
+		_ = signer.Verify(sig, addr, randMsg)
+	}
+}