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Address().fromScript(script) 

It is convenient to be able to derive an address directly from a script for
p2sh transactions.
This commit is contained in:
Ryan X. Charles 2014-09-12 17:49:01 -07:00
parent 79d79012d4
commit 4a027e260a
2 changed files with 25 additions and 0 deletions
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8
lib/address.js
View File

@ -2,6 +2,7 @@ var base58check = require('./base58check');
var constants = require('./constants');
var Hash = require('./hash');
var Pubkey = require('./pubkey');
var Script = require('./script');
function Address(obj) {
if (!(this instanceof Address))
@ -24,6 +25,13 @@ Address.prototype.fromPubkey = function(pubkey, networkstr) {
return this;
};
Address.prototype.fromScript = function(script, networkstr) {
this.hashbuf = Hash.sha256ripemd160(script.toBuffer());
this.networkstr = networkstr || 'mainnet';
this.typestr = 'scripthash';
return this;
};
Address.prototype.fromString = function(str) {
var buf = base58check.decode(str);
if (buf.length !== 1 + 20)

17
test/address.js
View File

@ -2,6 +2,7 @@ var should = require('chai').should();
var constants = require('../lib/constants');
var Pubkey = require('../lib/pubkey');
var Address = require('../lib/address');
var Script = require('../lib/script');
describe('Address', function() {
var pubkeyhash = new Buffer('3c3fa3d4adcaf8f52d5b1843975e122548269937', 'hex');
@ -45,6 +46,22 @@ describe('Address', function() {
});
describe('#fromScript', function() {
it('should make this address from a script', function() {
var script = Script().fromString("OP_CHECKMULTISIG");
var address = Address().fromScript(script);
address.toString().should.equal('3BYmEwgV2vANrmfRymr1mFnHXgLjD6gAWm');
});
it('should make this address from other script', function() {
var script = Script().fromString("OP_CHECKSIG OP_HASH160");
var address = Address().fromScript(script);
address.toString().should.equal('347iRqVwks5r493N1rsLN4k9J7Ljg488W7');
});
});
describe('#fromString', function() {
it('should derive from this known address string mainnet', function() {