From 38d0efc96c65cfd1f5f05ef3804a8afb41d05db5 Mon Sep 17 00:00:00 2001
From: Roman Khimov <roman@nspcc.ru>
Date: Wed, 12 Feb 2020 14:56:40 +0300
Subject: [PATCH] core: fix Registered state descriptor processing

It has simple boolean value encoded, no `strconv` needed (it actually chokes
on such input).
---
 pkg/core/blockchain.go | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/pkg/core/blockchain.go b/pkg/core/blockchain.go
index 43d716114..1f3866ee2 100644
--- a/pkg/core/blockchain.go
+++ b/pkg/core/blockchain.go
@@ -5,7 +5,6 @@ import (
 	"math"
 	"math/big"
 	"sort"
-	"strconv"
 	"sync"
 	"sync/atomic"
 	"time"
@@ -684,12 +683,11 @@ func processValidatorStateDescriptor(descriptor *transaction.StateDescriptor, da
 		return err
 	}
 	if descriptor.Field == "Registered" {
-		isRegistered, err := strconv.ParseBool(string(descriptor.Value))
-		if err != nil {
-			return err
+		if len(descriptor.Value) == 1 {
+			validatorState.Registered = descriptor.Value[0] != 0
+			return dao.PutValidatorState(validatorState)
 		}
-		validatorState.Registered = isRegistered
-		return dao.PutValidatorState(validatorState)
+		return errors.New("bad descriptor value")
 	}
 	return nil
 }