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util: properly utilize bn.js.

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Signed-off-by: Fedor Indutny <fedor@indutny.com>
This commit is contained in:
Christopher Jeffrey 2014-05-18 10:20:30 -05:00 committed by Fedor Indutny
parent 9bec16ca49
commit 5ee3fbcf72
1 changed files with 6 additions and 10 deletions
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16
lib/bcoin/utils.js
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@ -180,11 +180,9 @@ utils.writeU64 = function writeU64(dst, num, off) {
if (!off) if (!off)
off = 0; off = 0;
var n = new bn(num); var num = new bn(num);
var left = n.shrn(32); var left = +num.shrn(32).toString(10);
//var right = n.andln(0xffffffff); var right = +num.maskn(32).toString(10);
var right = ((n.words[1] & 0xff) << 24) | n.words[0];
if (right < 0) right += 0x100000000;
dst[off] = right & 0xff; dst[off] = right & 0xff;
dst[off + 1] = (right >>> 8) & 0xff; dst[off + 1] = (right >>> 8) & 0xff;
@ -221,11 +219,9 @@ utils.writeU64BE = function writeU64BE(dst, num, off) {
if (!off) if (!off)
off = 0; off = 0;
var n = new bn(num); var num = new bn(num);
var left = n.shrn(32); var left = +num.shrn(32).toString(10);
//var right = n.andln(0xffffffff); var right = +num.maskn(32).toString(10);
var right = ((n.words[1] & 0xff) << 24) | n.words[0];
if (right < 0) right += 0x100000000;
dst[off] = (left >>> 24) & 0xff; dst[off] = (left >>> 24) & 0xff;
dst[off + 1] = (left >>> 16) & 0xff; dst[off + 1] = (left >>> 16) & 0xff;