62 lines
1.4 KiB
JavaScript
62 lines
1.4 KiB
JavaScript
var base58 = require('./base58')
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var convert = require('./convert')
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var error = require('./util').error
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var mainnet = require('./network').mainnet.addressVersion
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function Address(bytes, version) {
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if (!(this instanceof Address))
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return new Address(bytes, version)
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if (bytes instanceof Address) {
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this.hash = bytes.hash
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this.version = bytes.version
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}
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else if (typeof bytes === 'string') {
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this.hash = stringToHash(bytes)
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this.version = version || this.hash.version || mainnet
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}
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else {
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this.hash = bytes
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this.version = version || mainnet
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}
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}
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function stringToHash(str) {
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if (str.length <= 35) {
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return base58.checkDecode(str)
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}
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if (str.length <= 40) {
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return convert.hexToBytes(str)
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}
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error('invalid or unrecognized input')
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}
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/**
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* Serialize this object as a standard Bitcoin address.
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* Returns the address as a base58-encoded string in the standardized format.
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*/
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Address.prototype.toString = function () {
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return base58.checkEncode(this.hash.slice(0), this.version)
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}
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/**
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* Returns the version of an address, e.g. if the address belongs to the main
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* net or the test net.
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*/
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Address.getVersion = function (address) {
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return base58.decode(address)[0]
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}
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/**
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* Returns true if a bitcoin address is a valid address, otherwise false.
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*/
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Address.validate = function (address) {
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try {
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base58.checkDecode(address)
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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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module.exports = Address
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