114 lines
3.1 KiB
JavaScript
114 lines
3.1 KiB
JavaScript
var base58check = require('./base58check');
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var constants = require('./constants');
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var Hash = require('./hash');
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var Pubkey = require('./pubkey');
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var Script = require('./script');
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var Random = require('./random');
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function Identity(buf) {
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// TODO: instantiate identities without providing any configuration
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if (!(this instanceof Identity)) return new Identity(buf);
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if (Buffer.isBuffer(buf)) {
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this.fromBuffer(buf);
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} else if (typeof buf === 'string') {
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var str = buf;
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this.fromString(str);
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} else if (buf) {
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var obj = buf;
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this.set(obj);
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}
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};
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Identity.prototype.set = function(obj) {
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this.hashbuf = obj.hashbuf || this.hashbuf || null;
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this.networkstr = obj.networkstr || this.networkstr || 'mainnet';
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this.typestr = obj.typestr || this.typestr || 'identephem';
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return this;
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};
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Identity.prototype.fromBuffer = function(buf) {
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if (buf.length !== 1 + 20)
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throw new Error('Identity buffers must be exactly 21 bytes');
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var version = buf[0];
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if (version === constants['mainnet']['identephem']) {
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this.networkstr = 'mainnet';
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this.typestr = 'identephem';
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} else if (version === constants['mainnet']['identpersist']) {
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this.networkstr = 'mainnet';
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this.typestr = 'identpersist';
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} else {
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this.networkstr = 'unknown';
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this.typestr = 'unknown';
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}
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this.hashbuf = buf.slice(1);
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return this;
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};
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Identity.prototype.fromHashbuf = function(hashbuf, networkstr, typestr) {
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if (hashbuf.length !== 20)
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throw new Error('hashbuf must be exactly 20 bytes');
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this.hashbuf = hashbuf;
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this.networkstr = networkstr || 'mainnet';
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this.typestr = typestr || 'identephem';
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return this;
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};
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Identity.prototype.fromPubkey = function(pubkey, networkstr) {
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this.hashbuf = Hash.sha256ripemd160(pubkey.toBuffer());
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this.networkstr = networkstr || 'mainnet';
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this.typestr = 'identephem';
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return this;
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};
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Identity.prototype.fromString = function(str) {
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var buf = base58check.decode(str);
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return this.fromBuffer(buf);
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}
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Identity.isValid = function(addrstr) {
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try {
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var address = new Identity().fromString(addrstr);
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} catch (e) {
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return false;
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}
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return address.isValid();
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};
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Identity.prototype.isValid = function() {
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try {
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this.validate();
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return true;
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} catch (e) {
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return false;
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}
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};
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Identity.prototype.toBuffer = function() {
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console.log(this.networkstr); process.exit();
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version = new Buffer([constants[this.networkstr][this.typestr]]);
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var buf = Buffer.concat([version, this.hashbuf]);
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return buf;
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};
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Identity.prototype.toString = function() {
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return base58check.encode(this.toBuffer());
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};
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Identity.prototype.validate = function() {
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if (!Buffer.isBuffer(this.hashbuf) || this.hashbuf.length !== 20)
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throw new Error('hash must be a buffer of 20 bytes');
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if (this.networkstr !== 'mainnet' && this.networkstr !== 'testnet')
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throw new Error('networkstr must be "mainnet" or "testnet"');
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if (this.typestr !== 'identephem' && this.typestr !== 'scripthash')
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throw new Error('typestr must be "identephem" or "scripthash"');
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return this;
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};
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module.exports = Identity;
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