minor: style - move block json functions to bottom of the file.

lib/bcoin/block.js

@@ -127,37 +127,6 @@ Block.prototype._verifyMerkle = function verifyMerkle() {
   }
 };
 
-Block.prototype.toJSON = function toJSON() {
-  return {
-    v: '1',
-    type: 'block',
-    subtype: this.subtype,
-    hash: this._hash || this.hash('hex'),
-    prevBlock: this.prevBlock,
-    ts: this.ts,
-    block: utils.toHex(bcoin.protocol.framer.block(this, this.subtype))
-  };
-};
-
-Block.fromJSON = function fromJSON(json) {
-  utils.assert.equal(json.v, 1);
-  utils.assert.equal(json.type, 'block');
-
-  var raw = utils.toArray(json.block, 'hex');
-
-  var parser = new bcoin.protocol.parser();
-
-  var data = json.subtype === 'merkleblock' ?
-    parser.parseMerkleBlock(raw) :
-    parser.parseBlock(raw);
-
-  var block = new bcoin.block(data, json.subtype);
-
-  block._hash = json.hash;
-
-  return block;
-};
-
 Block.prototype._buildMerkle = function buildMerkle() {
   var merkleTree = [];
   for (var i = 0; i < this.txs.length; i++) {
@@ -218,3 +187,34 @@ Block.prototype._checkBlock = function checkBlock() {
   // Check merkle root
   return this.merkleTree[this.merkleTree.length - 1] === this.merkleRoot;
 };
+
+Block.prototype.toJSON = function toJSON() {
+  return {
+    v: '1',
+    type: 'block',
+    subtype: this.subtype,
+    hash: this._hash || this.hash('hex'),
+    prevBlock: this.prevBlock,
+    ts: this.ts,
+    block: utils.toHex(bcoin.protocol.framer.block(this, this.subtype))
+  };
+};
+
+Block.fromJSON = function fromJSON(json) {
+  utils.assert.equal(json.v, 1);
+  utils.assert.equal(json.type, 'block');
+
+  var raw = utils.toArray(json.block, 'hex');
+
+  var parser = new bcoin.protocol.parser();
+
+  var data = json.subtype === 'merkleblock' ?
+    parser.parseMerkleBlock(raw) :
+    parser.parseBlock(raw);
+
+  var block = new bcoin.block(data, json.subtype);
+
+  block._hash = json.hash;
+
+  return block;
+};