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bitcore-lib-zcash
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Speed up isPublicKeyOut

This commit is contained in:
Braydon Fuller 2015-07-13 18:51:52 -04:00
parent 1a809cbeec
commit 9f4b1a2c26
2 changed files with 24 additions and 4 deletions
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9
benchmark/script.js
View File

@ -32,6 +32,14 @@ async.series([
}
}
function isPublicKeyOut() {
if (c >= scripts.length) {
c = 0;
}
scripts[c].isPublicKeyOut();
c++;
}
function isPublicKeyHashIn() {
if (c >= scripts.length) {
c = 0;
@ -58,6 +66,7 @@ async.series([
var suite = new benchmark.Suite();
suite.add('isPublicKeyHashIn', isPublicKeyHashIn, {maxTime: maxTime});
suite.add('isPublicKeyOut', isPublicKeyOut, {maxTime: maxTime});
suite.add('toAddress', toAddress, {maxTime: maxTime});
suite.add('getAddressInfo', getAddressInfo, {maxTime: maxTime});
suite

19
lib/script/script.js
View File

@ -276,10 +276,21 @@ Script.prototype.getPublicKeyHash = function() {
* @returns {boolean} if this is a public key output script
*/
Script.prototype.isPublicKeyOut = function() {
return this.chunks.length === 2 &&
BufferUtil.isBuffer(this.chunks[0].buf) &&
PublicKey.isValid(this.chunks[0].buf) &&
this.chunks[1].opcodenum === Opcode.OP_CHECKSIG;
if (this.chunks.length === 2 &&
this.chunks[0].buf &&
this.chunks[0].buf.length &&
this.chunks[1].opcodenum === Opcode.OP_CHECKSIG) {
var pubkeyBuf = this.chunks[0].buf;
var version = pubkeyBuf[0];
if ((version === 0x04 ||
version === 0x06 ||
version === 0x07) && pubkeyBuf.length === 65) {
return true;
} else if ((version === 0x03 || version === 0x02) && pubkeyBuf.length === 33) {
return true;
}
}
return false;
};
/**