add debug printlns to tx signing & multisign verify

client/tx/tx.go

@@ -3,6 +3,7 @@ package tx
 import (
 	"bufio"
 	"context"
+	b64 "encoding/base64"
 	"encoding/json"
 	"errors"
 	"fmt"
@@ -297,7 +298,12 @@ func Sign(txf Factory, name string, txBuilder client.TxBuilder, overwriteSig boo
 	}
 
 	// Generate the bytes to be signed.
+	fmt.Println("Signing transaction...")
+	fmt.Printf("    Sign Mode: %s\n", signMode.String())
+	fmt.Printf("    Signer Data: %s\n", signerData)
 	bytesToSign, err := txf.txConfig.SignModeHandler().GetSignBytes(signMode, signerData, txBuilder.GetTx())
+	fmt.Printf("    Sign Bytes (str): %s\n", bytesToSign)
+	fmt.Printf("    Sign Bytes (base64): %s\n", b64.StdEncoding.EncodeToString(bytesToSign))
 	if err != nil {
 		return err
 	}

x/auth/client/cli/tx_multisign.go

@@ -137,6 +137,9 @@ func makeMultiSignCmd() func(cmd *cobra.Command, args []string) (err error) {
 					PubKey:        sig.PubKey,
 				}
 
+				fmt.Println("Verifying signature...")
+				fmt.Printf("    Sign Mode: %s\n", sig.Data.(*signingtypes.SingleSignatureData).SignMode.String())
+				fmt.Printf("    Signer Data: %s\n", signingData)
 				err = signing.VerifySignature(sig.PubKey, signingData, sig.Data, txCfg.SignModeHandler(), txBuilder.GetTx())
 				if err != nil {
 					addr, _ := sdk.AccAddressFromHexUnsafe(sig.PubKey.Address().String())

x/auth/signing/verify.go

@@ -3,6 +3,7 @@ package signing
 import (
 	"fmt"
 
+	b64 "encoding/base64"
 	cryptotypes "github.com/cosmos/cosmos-sdk/crypto/types"
 	"github.com/cosmos/cosmos-sdk/crypto/types/multisig"
 	sdk "github.com/cosmos/cosmos-sdk/types"
@@ -15,6 +16,8 @@ func VerifySignature(pubKey cryptotypes.PubKey, signerData SignerData, sigData s
 	switch data := sigData.(type) {
 	case *signing.SingleSignatureData:
 		signBytes, err := handler.GetSignBytes(data.SignMode, signerData, tx)
+		fmt.Printf("    Sign Bytes (str): %s\n", signBytes)
+		fmt.Printf("    Sign Bytes (base64): %s\n", b64.StdEncoding.EncodeToString(signBytes))
 		if err != nil {
 			return err
 		}