8514bbfabd
By removing Address.Error, we remove a code smell. This part of the code base was also not under any form of test. Test data and tests have therefore been added verifying its behaviour in both Wallet and Address tests.
74 lines
1.8 KiB
JavaScript
74 lines
1.8 KiB
JavaScript
var assert = require('assert')
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var base58check = require('./base58check')
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var networks = require('./networks')
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var Script = require('./script')
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function findScriptTypeByVersion(queryVersion) {
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for (var networkName in networks) {
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var network = networks[networkName]
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for (var versionName in network) {
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var version = network[versionName]
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if (version === queryVersion) {
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return versionName
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}
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}
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}
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}
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function Address(hash, version) {
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assert(Buffer.isBuffer(hash), 'First argument must be a Buffer')
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assert.strictEqual(hash.length, 20, 'Invalid hash length')
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assert.strictEqual(version & 0xFF, version, 'Invalid version byte')
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this.hash = hash
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this.version = version
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}
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// Import functions
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Address.fromBase58Check = function(string) {
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var decode = base58check.decode(string)
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return new Address(decode.payload, decode.version)
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}
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Address.fromScriptPubKey = function(script, network) {
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network = network || networks.bitcoin
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var type = script.getOutType()
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if (type === 'pubkeyhash') {
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return new Address(new Buffer(script.chunks[2]), network.pubKeyHash)
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}
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else if (type === 'scripthash') {
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return new Address(new Buffer(script.chunks[1]), network.scriptHash)
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}
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assert(false, type + ' has no matching Address')
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}
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// Export functions
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Address.prototype.toBase58Check = function () {
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return base58check.encode(this.hash, this.version)
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}
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Address.prototype.toScriptPubKey = function() {
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var scriptType = findScriptTypeByVersion(this.version)
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if (scriptType === 'pubKeyHash') {
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return Script.createPubKeyHashScriptPubKey(this.hash)
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}
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else if (scriptType === 'scriptHash') {
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return Script.createP2SHScriptPubKey(this.hash)
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}
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assert(false, this.toString() + ' has no matching script')
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}
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Address.prototype.toString = Address.prototype.toBase58Check
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module.exports = Address
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