lukechilds
/
bitcoinjs-lib
mirror of https://github.com/lukechilds/bitcoinjs-lib.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity
Browse Source

payments: rm dependence on address export

addLowRGrinding
Daniel Cousens 6 years ago
parent
eb01d35aa4
commit
0d0f1d0847
4 changed files with 87 additions and 46 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 35
      src/payments/p2pkh.js
  2. 15
      src/payments/p2sh.js
  3. 42
      src/payments/p2wpkh.js
  4. 41
      src/payments/p2wsh.js

35
src/payments/p2pkh.js
View File

@ -1,12 +1,12 @@
let lazy = require('./lazy')
let typef = require('typeforce')
let OPS = require('bitcoin-ops')
let ecc = require('tiny-secp256k1')
const lazy = require('./lazy')
const typef = require('typeforce')
const OPS = require('bitcoin-ops')
const ecc = require('tiny-secp256k1')
let baddress = require('../address')
let bcrypto = require('../crypto')
let bscript = require('../script')
let BITCOIN_NETWORK = require('../networks').bitcoin
const bcrypto = require('../crypto')
const bscript = require('../script')
const BITCOIN_NETWORK = require('../networks').bitcoin
const bs58check = require('bs58check')
// input: {signature} {pubkey}
// output: OP_DUP OP_HASH160 {hash160(pubkey)} OP_EQUALVERIFY OP_CHECKSIG
@ -31,15 +31,24 @@ function p2pkh (a, opts) {
input: typef.maybe(typef.Buffer)
}, a)
let _address = lazy.value(function () { return baddress.fromBase58Check(a.address) })
let _chunks = lazy.value(function () { return bscript.decompile(a.input) })
const _address = lazy.value(function () {
const payload = bs58check.decode(a.address)
const version = payload.readUInt8(0)
const hash = payload.slice(1)
return { version, hash }
})
const _chunks = lazy.value(function () { return bscript.decompile(a.input) })
let network = a.network || BITCOIN_NETWORK
let o = { network }
const network = a.network || BITCOIN_NETWORK
const o = { network }
lazy.prop(o, 'address', function () {
if (!o.hash) return
return baddress.toBase58Check(o.hash, network.pubKeyHash)
const payload = Buffer.allocUnsafe(21)
payload.writeUInt8(network.pubKeyHash, 0)
o.hash.copy(payload, 1)
return bs58check.encode(payload)
})
lazy.prop(o, 'hash', function () {
if (a.output) return a.output.slice(3, 23)

15
src/payments/p2sh.js
View File

@ -2,10 +2,10 @@ const lazy = require('./lazy')
const typef = require('typeforce')
const OPS = require('bitcoin-ops')
const baddress = require('../address')
const bcrypto = require('../crypto')
const bscript = require('../script')
const BITCOIN_NETWORK = require('../networks').bitcoin
const bs58check = require('bs58check')
function stacksEqual (a, b) {
if (a.length !== b.length) return false
@ -48,7 +48,12 @@ function p2sh (a, opts) {
const network = a.network || BITCOIN_NETWORK
const o = { network }
const _address = lazy.value(function () { return baddress.fromBase58Check(a.address) })
const _address = lazy.value(function () {
const payload = bs58check.decode(a.address)
const version = payload.readUInt8(0)
const hash = payload.slice(1)
return { version, hash }
})
const _chunks = lazy.value(function () { return bscript.decompile(a.input) })
const _redeem = lazy.value(function () {
const chunks = _chunks()
@ -63,7 +68,11 @@ function p2sh (a, opts) {
// output dependents
lazy.prop(o, 'address', function () {
if (!o.hash) return
return baddress.toBase58Check(o.hash, network.scriptHash)
const payload = Buffer.allocUnsafe(21)
payload.writeUInt8(network.scriptHash, 0)
o.hash.copy(payload, 1)
return bs58check.encode(payload)
})
lazy.prop(o, 'hash', function () {
// in order of least effort

42
src/payments/p2wpkh.js
View File

@ -1,14 +1,14 @@
let lazy = require('./lazy')
let typef = require('typeforce')
let OPS = require('bitcoin-ops')
let ecc = require('tiny-secp256k1')
const lazy = require('./lazy')
const typef = require('typeforce')
const OPS = require('bitcoin-ops')
const ecc = require('tiny-secp256k1')
let baddress = require('../address')
let bcrypto = require('../crypto')
let bscript = require('../script')
let BITCOIN_NETWORK = require('../networks').bitcoin
const bcrypto = require('../crypto')
const bech32 = require('bech32')
const bscript = require('../script')
const BITCOIN_NETWORK = require('../networks').bitcoin
let EMPTY_BUFFER = Buffer.alloc(0)
const EMPTY_BUFFER = Buffer.alloc(0)
// witness: {signature} {pubKey}
// input: <>
@ -34,14 +34,26 @@ function p2wpkh (a, opts) {
witness: typef.maybe(typef.arrayOf(typef.Buffer))
}, a)
let _address = lazy.value(function () { return baddress.fromBech32(a.address) })
const _address = lazy.value(function () {
const result = bech32.decode(a.address)
const version = result.words.shift()
const data = bech32.fromWords(result.words)
return {
version,
prefix: result.prefix,
data: Buffer.from(data)
}
})
let network = a.network || BITCOIN_NETWORK
let o = { network }
const network = a.network || BITCOIN_NETWORK
const o = { network }
lazy.prop(o, 'address', function () {
if (!o.hash) return
return baddress.toBech32(o.hash, 0x00, network.bech32)
const words = bech32.toWords(o.hash)
words.unshift(0x00)
return bech32.encode(network.bech32, words)
})
lazy.prop(o, 'hash', function () {
if (a.output) return a.output.slice(2, 22)
@ -86,7 +98,7 @@ function p2wpkh (a, opts) {
}
if (a.pubkey) {
let pkh = bcrypto.hash160(a.pubkey)
const pkh = bcrypto.hash160(a.pubkey)
if (hash && !hash.equals(pkh)) throw new TypeError('Hash mismatch')
else hash = pkh
}
@ -113,7 +125,7 @@ function p2wpkh (a, opts) {
if (a.signature && !a.signature.equals(a.witness[0])) throw new TypeError('Signature mismatch')
if (a.pubkey && !a.pubkey.equals(a.witness[1])) throw new TypeError('Pubkey mismatch')
let pkh = bcrypto.hash160(a.witness[1])
const pkh = bcrypto.hash160(a.witness[1])
if (hash && !hash.equals(pkh)) throw new TypeError('Hash mismatch')
}
}

41
src/payments/p2wsh.js
View File

@ -1,13 +1,13 @@
let lazy = require('./lazy')
let typef = require('typeforce')
let OPS = require('bitcoin-ops')
const lazy = require('./lazy')
const typef = require('typeforce')
const OPS = require('bitcoin-ops')
let baddress = require('../address')
let bcrypto = require('../crypto')
let bscript = require('../script')
let BITCOIN_NETWORK = require('../networks').bitcoin
const bech32 = require('bech32')
const bcrypto = require('../crypto')
const bscript = require('../script')
const BITCOIN_NETWORK = require('../networks').bitcoin
let EMPTY_BUFFER = Buffer.alloc(0)
const EMPTY_BUFFER = Buffer.alloc(0)
function stacksEqual (a, b) {
if (a.length !== b.length) return false
@ -47,19 +47,30 @@ function p2wsh (a, opts) {
witness: typef.maybe(typef.arrayOf(typef.Buffer))
}, a)
let _address = lazy.value(function () { return baddress.fromBech32(a.address) })
let _rchunks = lazy.value(function () { return bscript.decompile(a.redeem.input) })
const _address = lazy.value(function () {
const result = bech32.decode(a.address)
const version = result.words.shift()
const data = bech32.fromWords(result.words)
return {
version,
prefix: result.prefix,
data: Buffer.from(data)
}
})
const _rchunks = lazy.value(function () { return bscript.decompile(a.redeem.input) })
let network = a.network || BITCOIN_NETWORK
let o = { network }
const network = a.network || BITCOIN_NETWORK
const o = { network }
lazy.prop(o, 'address', function () {
if (!o.hash) return
return baddress.toBech32(o.hash, 0x00, network.bech32)
const words = bech32.toWords(o.hash)
words.unshift(0x00)
return bech32.encode(network.bech32, words)
})
lazy.prop(o, 'hash', function () {
if (a.output) return a.output.slice(2)
if (a.address) return baddress.fromBech32(a.address).data
if (a.address) return _address().data
if (o.redeem && o.redeem.output) return bcrypto.sha256(o.redeem.output)
})
lazy.prop(o, 'output', function () {
@ -145,7 +156,7 @@ function p2wsh (a, opts) {
if (bscript.decompile(a.redeem.output).length === 0) throw new TypeError('Redeem.output is invalid')
// match hash against other sources
let hash2 = bcrypto.sha256(a.redeem.output)
const hash2 = bcrypto.sha256(a.redeem.output)
if (hash && !hash.equals(hash2)) throw new TypeError('Hash mismatch')
else hash = hash2
}

Write Preview
Loading…
Cancel
Save