add bonder's signature to BondTx

state/execution.go

@@ -497,6 +497,9 @@ func ExecTx(blockCache *BlockCache, tx_ types.Tx, runCall bool, evc events.Firea
 		if err := tx.PubKey.ValidateBasic(); err != nil {
 			return err
 		}
+		if !tx.PubKey.VerifyBytes(signBytes, tx.Signature) {
+			return types.ErrTxInvalidSignature
+		}
 		outTotal, err := validateOutputs(tx.UnbondTo)
 		if err != nil {
 			return err

state/state_test.go

@@ -288,6 +288,7 @@ func TestTxs(t *testing.T) {
 				},
 			},
 		}
+		tx.Signature = privAccounts[0].Sign(tx).(account.SignatureEd25519)
 		tx.Inputs[0].Signature = privAccounts[0].Sign(tx)
 		err := execTxWithState(state, tx, true)
 		if err != nil {
@@ -344,6 +345,7 @@ func TestAddValidator(t *testing.T) {
 			},
 		},
 	}
+	bondTx.Signature = acc0.Sign(bondTx).(account.SignatureEd25519)
 	bondTx.Inputs[0].Signature = acc0.Sign(bondTx)
 
 	// Make complete block and blockParts