From 39b941516d56abe35583b0020b025d7efd6f0044 Mon Sep 17 00:00:00 2001
From: Christopher Jeffrey <chjjeffrey@gmail.com>
Date: Sat, 21 Jan 2017 14:40:51 -0800
Subject: [PATCH] chainentry: minor.

---
 lib/blockchain/chainentry.js | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/lib/blockchain/chainentry.js b/lib/blockchain/chainentry.js
index 84890f01..1041a03c 100644
--- a/lib/blockchain/chainentry.js
+++ b/lib/blockchain/chainentry.js
@@ -501,7 +501,7 @@ ChainEntry.prototype.toJSON = function toJSON() {
     bits: this.bits,
     nonce: this.nonce,
     height: this.height,
-    chainwork: this.chainwork.toString(10)
+    chainwork: this.chainwork.toString('hex', 64)
   };
 };
 
@@ -514,12 +514,12 @@ ChainEntry.prototype.toJSON = function toJSON() {
 ChainEntry.prototype.fromJSON = function fromJSON(json) {
   assert(json, 'Block data is required.');
   assert(typeof json.hash === 'string');
-  assert(util.isNumber(json.version));
+  assert(util.isUInt32(json.version));
   assert(typeof json.prevBlock === 'string');
   assert(typeof json.merkleRoot === 'string');
-  assert(util.isNumber(json.ts));
-  assert(util.isNumber(json.bits));
-  assert(util.isNumber(json.nonce));
+  assert(util.isUInt32(json.ts));
+  assert(util.isUInt32(json.bits));
+  assert(util.isUInt32(json.nonce));
   assert(typeof json.chainwork === 'string');
 
   this.hash = util.revHex(json.hash);
@@ -530,7 +530,7 @@ ChainEntry.prototype.fromJSON = function fromJSON(json) {
   this.bits = json.bits;
   this.nonce = json.nonce;
   this.height = json.height;
-  this.chainwork = new BN(json.chainwork, 10);
+  this.chainwork = new BN(json.chainwork, 'hex');
 
   return this;
 };
@@ -583,7 +583,7 @@ ChainEntry.prototype.inspect = function inspect() {
 
 ChainEntry.isChainEntry = function isChainEntry(obj) {
   return obj
-    && obj.chainwork !== undefined
+    && BN.isBN(obj.chainwork)
     && typeof obj.getMedianTime === 'function';
 };