Merge pull request #401 from bitcoinjs/noaddr

Remove instantiable Address
This commit is contained in:
Daniel Cousens 2015-07-28 10:46:14 +10:00
commit 64f7fa097c
15 changed files with 83 additions and 116 deletions

View file

@ -1,4 +1,3 @@
var assert = require('assert')
var base58check = require('bs58check')
var typeForce = require('typeforce')
var networks = require('./networks')
@ -13,50 +12,55 @@ function findScriptTypeByVersion (version) {
}
}
function Address (hash, version) {
typeForce('Buffer', hash)
assert.strictEqual(hash.length, 20, 'Invalid hash length')
assert.strictEqual(version & 0xff, version, 'Invalid version byte')
this.hash = hash
this.version = version
}
Address.fromBase58Check = function (string) {
function fromBase58Check (string) {
var payload = base58check.decode(string)
if (payload.length !== 21) throw new TypeError('Invalid address length')
var version = payload.readUInt8(0)
var hash = payload.slice(1)
return new Address(hash, version)
return { hash: hash, version: version }
}
Address.fromOutputScript = function (script, network) {
function fromOutputScript (script, network) {
network = network || networks.bitcoin
if (scripts.isPubKeyHashOutput(script)) return new Address(script.chunks[2], network.pubKeyHash)
if (scripts.isScriptHashOutput(script)) return new Address(script.chunks[1], network.scriptHash)
if (scripts.isPubKeyHashOutput(script)) return toBase58Check(script.chunks[2], network.pubKeyHash)
if (scripts.isScriptHashOutput(script)) return toBase58Check(script.chunks[1], network.scriptHash)
throw new Error(script.toASM() + ' has no matching Address')
}
Address.prototype.toBase58Check = function () {
function toBase58Check (hash, version) {
typeForce('Buffer', hash)
if (hash.length !== 20) throw new TypeError('Invalid hash length')
if (version & ~0xff) throw new TypeError('Invalid version byte')
var payload = new Buffer(21)
payload.writeUInt8(this.version, 0)
this.hash.copy(payload, 1)
payload.writeUInt8(version, 0)
hash.copy(payload, 1)
return base58check.encode(payload)
}
Address.prototype.toOutputScript = function () {
var scriptType = findScriptTypeByVersion(this.version)
function toOutputScript (address) {
var payload = base58check.decode(address)
if (payload.length !== 21) throw new TypeError('Invalid hash length')
if (scriptType === 'pubkeyhash') return scripts.pubKeyHashOutput(this.hash)
if (scriptType === 'scripthash') return scripts.scriptHashOutput(this.hash)
var version = payload.readUInt8(0)
var hash = payload.slice(1)
var scriptType = findScriptTypeByVersion(version)
throw new Error(this.toString() + ' has no matching Script')
if (scriptType === 'pubkeyhash') return scripts.pubKeyHashOutput(hash)
if (scriptType === 'scripthash') return scripts.scriptHashOutput(hash)
throw new Error(address + ' has no matching Script')
}
Address.prototype.toString = Address.prototype.toBase58Check
module.exports = Address
module.exports = {
fromBase58Check: fromBase58Check,
fromOutputScript: fromOutputScript,
toBase58Check: toBase58Check,
toOutputScript: toOutputScript
}

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@ -1,5 +1,5 @@
var assert = require('assert')
var base58check = require('bs58check')
var bs58check = require('bs58check')
var bcrypto = require('./crypto')
var ecdsa = require('./ecdsa')
var ecurve = require('ecurve')
@ -7,7 +7,6 @@ var networks = require('./networks')
var randomBytes = require('randombytes')
var typeForce = require('typeforce')
var Address = require('./address')
var BigInteger = require('bigi')
function findNetworkByWIFVersion (version) {
@ -69,7 +68,7 @@ ECPair.fromPublicKeyBuffer = function (buffer, network) {
}
ECPair.fromWIF = function (string) {
var payload = base58check.decode(string)
var payload = bs58check.decode(string)
var version = payload.readUInt8(0)
var compressed
@ -125,13 +124,18 @@ ECPair.prototype.toWIF = function () {
buffer.writeUInt8(0x01, 33)
}
return base58check.encode(buffer)
return bs58check.encode(buffer)
}
ECPair.prototype.getAddress = function () {
var pubKey = this.getPublicKeyBuffer()
var pubKeyHash = bcrypto.hash160(pubKey)
return new Address(bcrypto.hash160(pubKey), this.network.pubKeyHash)
var payload = new Buffer(21)
payload.writeUInt8(this.network.pubKeyHash, 0)
pubKeyHash.copy(payload, 1)
return bs58check.encode(payload)
}
ECPair.prototype.getPublicKeyBuffer = function () {

View file

@ -47,7 +47,7 @@ function verify (address, signature, message, network) {
network: network
})
return keyPair.getAddress().toString() === address.toString()
return keyPair.getAddress() === address
}
module.exports = {

View file

@ -1,4 +1,5 @@
var assert = require('assert')
var bcrypto = require('./crypto')
var bufferutils = require('./bufferutils')
var ops = require('./opcodes')
var scripts = require('./scripts')
@ -36,7 +37,7 @@ function extractInput (txIn) {
hashType = parsed.hashType
pubKeys = scriptSig.chunks.slice(1)
signatures = [parsed.signature]
prevOutScript = ECPair.fromPublicKeyBuffer(pubKeys[0]).getAddress().toOutputScript()
prevOutScript = Address.toOutputScript(ECPair.fromPublicKeyBuffer(pubKeys[0]).getAddress())
break
}
@ -187,12 +188,7 @@ TransactionBuilder.prototype.addOutput = function (scriptPubKey, value) {
// Attempt to get a valid address if it's a base58 address string
if (typeof scriptPubKey === 'string') {
scriptPubKey = Address.fromBase58Check(scriptPubKey)
}
// Attempt to get a valid script if it's an Address object
if (scriptPubKey instanceof Address) {
scriptPubKey = scriptPubKey.toOutputScript()
scriptPubKey = Address.toOutputScript(scriptPubKey)
}
return this.tx.addOutput(scriptPubKey, value)
@ -330,7 +326,7 @@ TransactionBuilder.prototype.sign = function (index, keyPair, redeemScript, hash
case 'pubkeyhash': {
var pkh1 = redeemScript.chunks[2]
var pkh2 = keyPair.getAddress().hash
var pkh2 = bcrypto.hash160(keyPair.getPublicKeyBuffer())
assert.deepEqual(pkh1, pkh2, 'privateKey cannot sign for this input')
pubKeys = [kpPubKey]
@ -362,7 +358,7 @@ TransactionBuilder.prototype.sign = function (index, keyPair, redeemScript, hash
// we know nothin' Jon Snow, assume pubKeyHash
} else {
input.prevOutScript = keyPair.getAddress().toOutputScript()
input.prevOutScript = Address.toOutputScript(keyPair.getAddress())
input.prevOutType = 'pubkeyhash'
input.pubKeys = [kpPubKey]
input.scriptType = input.prevOutType

View file

@ -9,25 +9,13 @@ var Script = require('../src/script')
var fixtures = require('./fixtures/address.json')
describe('Address', function () {
describe('Constructor', function () {
it('does not mutate the input', function () {
fixtures.valid.forEach(function (f) {
var hash = new Buffer(f.hash, 'hex')
var addr = new Address(hash, f.version)
assert.strictEqual(addr.version, f.version)
assert.strictEqual(addr.hash.toString('hex'), f.hash)
})
})
})
describe('fromBase58Check', function () {
fixtures.valid.forEach(function (f) {
it('imports ' + f.script + ' (' + f.network + ') correctly', function () {
var addr = Address.fromBase58Check(f.base58check)
it('decodes ' + f.base58check, function () {
var decode = Address.fromBase58Check(f.base58check)
assert.strictEqual(addr.version, f.version)
assert.strictEqual(addr.hash.toString('hex'), f.hash)
assert.strictEqual(decode.version, f.version)
assert.strictEqual(decode.hash.toString('hex'), f.hash)
})
})
@ -42,12 +30,11 @@ describe('Address', function () {
describe('fromOutputScript', function () {
fixtures.valid.forEach(function (f) {
it('imports ' + f.script + ' (' + f.network + ') correctly', function () {
it('parses ' + f.script + ' (' + f.network + ')', function () {
var script = Script.fromASM(f.script)
var addr = Address.fromOutputScript(script, networks[f.network])
var address = Address.fromOutputScript(script, networks[f.network])
assert.strictEqual(addr.version, f.version)
assert.strictEqual(addr.hash.toString('hex'), f.hash)
assert.strictEqual(address, f.base58check)
})
})
@ -64,20 +51,18 @@ describe('Address', function () {
describe('toBase58Check', function () {
fixtures.valid.forEach(function (f) {
it('exports ' + f.script + ' (' + f.network + ') correctly', function () {
var addr = Address.fromBase58Check(f.base58check)
var result = addr.toBase58Check()
it('formats ' + f.hash + ' (' + f.network + ')', function () {
var address = Address.toBase58Check(new Buffer(f.hash, 'hex'), f.version)
assert.strictEqual(result, f.base58check)
assert.strictEqual(address, f.base58check)
})
})
})
describe('toOutputScript', function () {
fixtures.valid.forEach(function (f) {
it('imports ' + f.script + ' (' + f.network + ') correctly', function () {
var addr = Address.fromBase58Check(f.base58check)
var script = addr.toOutputScript()
it('exports ' + f.script + '(' + f.network + ')', function () {
var script = Address.toOutputScript(f.base58check)
assert.strictEqual(script.toASM(), f.script)
})
@ -85,10 +70,8 @@ describe('Address', function () {
fixtures.invalid.toOutputScript.forEach(function (f) {
it('throws when ' + f.description, function () {
var addr = new Address(new Buffer(f.hash, 'hex'), f.version)
assert.throws(function () {
addr.toOutputScript()
Address.toOutputScript(f.address)
}, new RegExp(f.description))
})
})

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@ -47,15 +47,15 @@ describe('Bitcoin-core', function () {
})
// base58_keys_valid
describe('Address.formBase58Check', function () {
describe('Address.toBase58Check', function () {
var typeMap = {
'pubkey': 'pubKeyHash',
'script': 'scriptHash'
}
base58_keys_valid.forEach(function (f) {
var string = f[0]
var hex = f[1]
var expected = f[0]
var hash = new Buffer(f[1], 'hex')
var params = f[2]
var network = networks.bitcoin
@ -64,11 +64,10 @@ describe('Bitcoin-core', function () {
network = networks.testnet
}
it('can import ' + string, function () {
var address = Address.fromBase58Check(string)
var version = network[typeMap[params.addrType]]
assert.strictEqual(address.hash.toString('hex'), hex)
assert.strictEqual(address.version, network[typeMap[params.addrType]])
it('can export ' + expected, function () {
assert.strictEqual(Address.toBase58Check(hash, version), expected)
})
})
})
@ -90,7 +89,7 @@ describe('Bitcoin-core', function () {
var address = Address.fromBase58Check(string)
assert.notEqual(allowedNetworks.indexOf(address.version), -1, 'Invalid network')
}, /Invalid (checksum|hash length|network)/)
}, /Invalid (checksum|address length|network)/)
})
})
})

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@ -171,7 +171,7 @@ describe('ECPair', function () {
it('returns ' + f.address + ' for ' + f.WIF, function () {
var keyPair = ECPair.fromWIF(f.WIF)
assert.strictEqual(keyPair.getAddress().toString(), f.address)
assert.strictEqual(keyPair.getAddress(), f.address)
})
})
})

View file

@ -34,12 +34,12 @@
{
"description": "hash too short",
"base58check": "7SeEnXWPaCCALbVrTnszCVGfRU8cGfx",
"exception": "Invalid hash length"
"exception": "Invalid address length"
},
{
"description": "hash too long",
"base58check": "j9ywUkWg2fTQrouxxh5rSZhRvrjMkEUfuiKe",
"exception": "Invalid hash length"
"exception": "Invalid address length"
}
],
"fromOutputScript": [
@ -59,8 +59,7 @@
"toOutputScript": [
{
"description": "24kPZCmVgzfkpGdXExy56234MRHrsqQxNWE has no matching Script",
"hash": "751e76e8199196d454941c45d1b3a323f1433bd6",
"version": 153
"address": "24kPZCmVgzfkpGdXExy56234MRHrsqQxNWE"
}
]
}

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@ -29,7 +29,7 @@ describe('bitcoinjs-lib (advanced)', function () {
var keyPair = bitcoin.ECPair.makeRandom({
network: bitcoin.networks.testnet
})
var address = keyPair.getAddress().toString()
var address = keyPair.getAddress()
faucetWithdraw(address, 2e4, function (err) {
if (err) return done(err)

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@ -11,7 +11,7 @@ describe('bitcoinjs-lib (basic)', function () {
// generate random keyPair
var keyPair = bitcoin.ECPair.makeRandom({ rng: rng })
var address = keyPair.getAddress().toString()
var address = keyPair.getAddress()
assert.strictEqual(address, '1F5VhMHukdnUES9kfXqzPzMeF1GPHKiF64')
})
@ -21,7 +21,7 @@ describe('bitcoinjs-lib (basic)', function () {
var d = bigi.fromBuffer(hash)
var keyPair = new bitcoin.ECPair(d)
var address = keyPair.getAddress().toString()
var address = keyPair.getAddress()
assert.strictEqual(address, '1C7zdTfnkzmr13HfA2vNm5SJYRK6nEKyq8')
})
@ -34,7 +34,7 @@ describe('bitcoinjs-lib (basic)', function () {
var keyPair = bitcoin.ECPair.makeRandom({ network: litecoin, rng: rng })
var wif = keyPair.toWIF()
var address = keyPair.getAddress().toString()
var address = keyPair.getAddress()
assert.strictEqual(address, 'LZJSxZbjqJ2XVEquqfqHg1RQTDdfST5PTn')
assert.strictEqual(wif, 'T7A4PUSgTDHecBxW1ZiYFrDNRih2o7M8Gf9xpoCgudPF9gDiNvuS')
@ -42,7 +42,7 @@ describe('bitcoinjs-lib (basic)', function () {
it('can import an address via WIF', function () {
var keyPair = bitcoin.ECPair.fromWIF('Kxr9tQED9H44gCmp6HAdmemAzU3n84H3dGkuWTKvE23JgHMW8gct')
var address = keyPair.getAddress().toString()
var address = keyPair.getAddress()
assert.strictEqual(address, '19AAjaTUbRjQCMuVczepkoPswiZRhjtg31')
})

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@ -35,7 +35,7 @@ describe('bitcoinjs-lib (crypto)', function () {
assert.deepEqual(QprimeR.getEncoded(), QprimeS.getEncoded())
// derived shared-secret address
var address = new bitcoin.ECPair(null, QprimeS).getAddress().toString()
var address = new bitcoin.ECPair(null, QprimeS).getAddress()
assert.strictEqual(address, '1EwCNJNZM5q58YPPTnjR1H5BvYRNeyZi47')
})

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@ -58,7 +58,7 @@ describe('bitcoinjs-lib (multisig)', function () {
// make a random destination address
var targetAddress = bitcoin.ECPair.makeRandom({
network: bitcoin.networks.testnet
}).getAddress().toString()
}).getAddress()
var txb = new bitcoin.TransactionBuilder()
txb.addInput(unspent.txId, unspent.vout)

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@ -4,7 +4,6 @@ var assert = require('assert')
var message = require('../src/message')
var networks = require('../src/networks')
var Address = require('../src/address')
var BigInteger = require('bigi')
var ECPair = require('../src/ecpair')
@ -23,14 +22,6 @@ describe('message', function () {
})
describe('verify', function () {
it('accepts an Address object', function () {
var f = fixtures.valid.verify[0]
var network = networks[f.network]
var address = Address.fromBase58Check(f.address)
assert(message.verify(address, f.signature, f.message, network))
})
fixtures.valid.verify.forEach(function (f) {
it('verifies a valid signature for "' + f.message + '" (' + f.network + ')', function () {
var network = networks[f.network]

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@ -1,10 +1,10 @@
/* global describe, it */
var assert = require('assert')
var bcrypto = require('../src/crypto')
var ops = require('../src/opcodes')
var scripts = require('../src/scripts')
var ECPair = require('../src/ecpair')
var Script = require('../src/script')
var fixtures = require('./fixtures/scripts.json')
@ -177,10 +177,10 @@ describe('Scripts', function () {
if (f.type !== 'pubkeyhash') return
var pubKey = new Buffer(f.pubKey, 'hex')
var address = ECPair.fromPublicKeyBuffer(pubKey).getAddress()
var pubKeyHash = bcrypto.hash160(pubKey)
it('returns ' + f.scriptPubKey, function () {
var scriptPubKey = scripts.pubKeyHashOutput(address.hash)
var scriptPubKey = scripts.pubKeyHashOutput(pubKeyHash)
assert.strictEqual(scriptPubKey.toASM(), f.scriptPubKey)
})
})

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@ -65,13 +65,13 @@ describe('TransactionBuilder', function () {
txb = new TransactionBuilder()
prevTx = new Transaction()
prevTx.addOutput(Address.fromBase58Check('1BgGZ9tcN4rm9KBzDn7KprQz87SZ26SAMH').toOutputScript(), 0)
prevTx.addOutput(Address.fromBase58Check('1cMh228HTCiwS8ZsaakH8A8wze1JR5ZsP').toOutputScript(), 1)
prevTx.addOutput(Address.toOutputScript('1BgGZ9tcN4rm9KBzDn7KprQz87SZ26SAMH'), 0)
prevTx.addOutput(Address.toOutputScript('1cMh228HTCiwS8ZsaakH8A8wze1JR5ZsP'), 1)
prevTxHash = prevTx.getHash()
keyPair = new ECPair(BigInteger.ONE)
privAddress = keyPair.getAddress()
privScript = privAddress.toOutputScript()
privScript = Address.toOutputScript(privAddress)
})
describe('addInput', function () {
@ -125,15 +125,6 @@ describe('TransactionBuilder', function () {
describe('addOutput', function () {
it('accepts an address string and value', function () {
var vout = txb.addOutput(privAddress.toBase58Check(), 1000)
assert.strictEqual(vout, 0)
var txout = txb.tx.outs[0]
assert.deepEqual(txout.script, privScript)
assert.strictEqual(txout.value, 1000)
})
it('accepts an Address object and value', function () {
var vout = txb.addOutput(privAddress, 1000)
assert.strictEqual(vout, 0)