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Added p2sh support for addOutput

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This commit is contained in:
vub 2013-10-08 03:26:34 -04:00
parent 65abb85668
commit ff8152fe41
1 changed files with 24 additions and 26 deletions
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50
src/script.js
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@ -1,6 +1,7 @@
var Opcode = require('./opcode'); var Opcode = require('./opcode');
var util = require('./util'); var util = require('./util');
var conv = require('./convert'); var conv = require('./convert');
var Address = require('./address');
var Script = function (data) { var Script = function (data) {
if (!data) { if (!data) {
@ -305,41 +306,38 @@ Script.prototype.writeBytes = function (data)
}; };
/** /**
* Create a standard payToPubKeyHash output. * Create an output for an address
*/ */
Script.createOutputScript = function (address) Script.createOutputScript = function (address)
{ {
var script = new Script(); var script = new Script();
script.writeOp(Opcode.map.OP_DUP); // Standard pay-to-pubkey-hash
script.writeOp(Opcode.map.OP_HASH160); if (address.version == 0) {
script.writeBytes(address.hash); script.writeOp(Opcode.map.OP_DUP);
script.writeOp(Opcode.map.OP_EQUALVERIFY); script.writeOp(Opcode.map.OP_HASH160);
script.writeOp(Opcode.map.OP_CHECKSIG); script.writeBytes(address.hash);
script.writeOp(Opcode.map.OP_EQUALVERIFY);
script.writeOp(Opcode.map.OP_CHECKSIG);
}
// Standard pay-to-script-hash
else {
script.writeOp(Opcode.map.OP_HASH160);
script.writeBytes(address.hash);
script.writeOp(Opcode.map.OP_EQUAL);
}
return script; return script;
}; };
/** /**
* Extract bitcoin addresses from an output script * Extract pubkeys from a multisig script
*/ */
Script.prototype.extractAddresses = function (addresses)
{ Script.prototype.extractPubkeys = function() {
switch (this.getOutType()) { return this.chunks.filter(function(chunk) {
case 'Address': return (chunk[0] == 4 && chunk.length == 65
addresses.push(new Address(this.chunks[2])); || chunk[0] < 4 && chunk.length == 33)
return 1; });
case 'Pubkey': }
addresses.push(new Address(Util.sha256ripe160(this.chunks[0])));
return 1;
case 'Multisig':
for (var i = 1; i < this.chunks.length-2; ++i) {
addresses.push(new Address(Util.sha256ripe160(this.chunks[i])));
}
return this.chunks[0] - OP_1 + 1;
default:
throw new Error("Encountered non-standard scriptPubKey");
}
};
/** /**
* Create an m-of-n output script * Create an m-of-n output script