add logs to debug in CircleCI

crypto/bls/bls.go

@@ -4,16 +4,22 @@ import (
 	"bytes"
 	"crypto/subtle"
 	"fmt"
+	"os"
 
 	"github.com/herumi/bls-eth-go-binary/bls"
 	amino "github.com/tendermint/go-amino"
 
+	"github.com/tendermint/tendermint/libs/log"
+
 	"github.com/tendermint/tendermint/crypto"
 	"github.com/tendermint/tendermint/crypto/tmhash"
 )
 
 var _ crypto.PrivKey = PrivKeyBLS12{}
 
+// TODO to investigate CI env error
+var logger = log.NewTMLogger(log.NewSyncWriter(os.Stdout)).With("module", "bls")
+
 const (
 	PrivKeyAminoName = "tendermint/PrivKeyBLS12"
 	PubKeyAminoName  = "tendermint/PubKeyBLS12"
@@ -41,6 +47,8 @@ func init() {
 	if err != nil {
 		panic(fmt.Sprintf("ERROR: %s", err))
 	}
+
+	logger.Info("BLS: init() complete")
 }
 
 // PrivKeyBLS12 implements crypto.PrivKey.
@@ -62,11 +70,15 @@ func (privKey PrivKeyBLS12) Bytes() []byte {
 
 // Sign produces a signature on the provided message.
 func (privKey PrivKeyBLS12) Sign(msg []byte) ([]byte, error) {
+	if msg == nil {
+		panic(fmt.Sprintf("Nil specified as the message"))
+	}
 	blsKey := bls.SecretKey{}
 	err := blsKey.Deserialize(privKey[:])
 	if err != nil {
 		panic(fmt.Sprintf("Failed to copy the private key: %s", err))
 	}
+	logger.Info(fmt.Sprintf("BLS: Sign(%v)", msg))
 	sign := blsKey.SignByte(msg)
 	return sign.Serialize(), nil
 }