Implement JSDescription creation (minus proof)
This commit is contained in:
Jack Grigg
parent
e823108984
commit
74cb490dfa
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@ -1,10 +1,33 @@
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'use strict'
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var blake2b = require('./blake2b')
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var bufferutils = require('./bufferutils')
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var prf = require('./prf')
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var typeforce = require('typeforce')
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var types = require('./types')
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var util = require('./util')
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var zconst = require('./const')
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var JSProofWitness = require('./proof_witness')
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var NotePlaintext = require('./note_plaintext')
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var ZCNoteEncryption = require('./note_encryption')
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var ZCProof = require('./proof')
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function hSig (randomSeed, nullifiers, pubKeyHash) {
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typeforce(types.tuple(
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types.Buffer256bit,
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types.arrayOf(types.Buffer256bit),
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types.Buffer256bit
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), arguments)
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return Buffer.from(blake2b.crypto_generichash_blake2b_salt_personal(
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32,
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Buffer.concat([randomSeed].concat(nullifiers).concat([pubKeyHash])),
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undefined, // No key.
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undefined, // No salt.
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'ZcashComputehSig'))
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}
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function JSDescription () {
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this.nullifiers = []
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this.commitments = []
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@ -152,4 +175,119 @@ JSDescription.prototype.toHex = function () {
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return this.toBuffer().toString('hex')
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}
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JSDescription.prototype.h_sig = function (joinSplitPubKey) {
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return hSig(this.randomSeed, this.nullifiers, joinSplitPubKey)
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}
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JSDescription.withWitness = function (inputs, outputs, pubKeyHash, vpubOld, vpubNew, rt) {
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typeforce(types.tuple(
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types.arrayOf(types.JSInput),
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types.arrayOf(types.JSOutput),
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types.Buffer256bit,
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types.Zatoshi,
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types.Zatoshi,
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types.Buffer256bit
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), arguments)
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if (inputs.length !== zconst.ZC_NUM_JS_INPUTS) {
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throw new Error(`invalid number of inputs (found ${inputs.length}, expected ${zconst.ZC_NUM_JS_INPUTS}`)
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}
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if (outputs.length !== zconst.ZC_NUM_JS_OUTPUTS) {
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throw new Error(`invalid number of inputs (found ${outputs.length}, expected ${zconst.ZC_NUM_JS_OUTPUTS}`)
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}
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var jsdesc = new JSDescription()
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jsdesc.vpub_old = vpubOld
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jsdesc.vpub_new = vpubNew
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jsdesc.anchor = rt
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var lhsValue = vpubOld
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var rhsValue = vpubNew
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inputs.forEach(function (input) {
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// Sanity checks of input
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// If note has nonzero value
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if (input.note.value !== 0) {
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// The witness root must equal the input root.
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if (input.witness.root() !== rt) {
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throw new Error('joinsplit not anchored to the correct root')
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}
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// The tree must witness the correct element
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if (input.note.cm() !== input.witness.element()) {
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throw new Error('witness of wrong element for joinsplit input')
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}
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}
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// Ensure we have the key to this note.
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if (input.note.a_pk.toString('hex') !== input.key.address().a_pk.toString('hex')) {
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throw new Error('input note not authorized to spend with given key')
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}
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// Balance must be sensical
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typeforce(types.Zatoshi, input.note.value)
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lhsValue += input.note.value
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typeforce(types.Zatoshi, lhsValue)
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// Compute nullifier of input
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jsdesc.nullifiers.push(input.nullifier())
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})
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// Sample randomSeed
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jsdesc.randomSeed = util.random_uint256()
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// Compute h_sig
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var hSig = jsdesc.h_sig(pubKeyHash)
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// Sample phi
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var phi = util.random_uint252()
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// Compute notes for outputs
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var notes = []
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outputs.forEach(function (output, i) {
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// Sanity checks of output
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typeforce(types.Zatoshi, output.value)
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rhsValue += output.value
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typeforce(types.Zatoshi, rhsValue)
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// Sample r
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var r = util.random_uint256()
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notes.push(output.note(phi, r, i, hSig))
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})
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if (lhsValue !== rhsValue) {
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throw new Error('invalid joinsplit balance')
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}
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// Compute the output commitments
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notes.forEach(function (note) {
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jsdesc.commitments.push(note.cm())
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})
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// Encrypt the ciphertexts containing the note
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// plaintexts to the recipients of the value.
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var encryptor = new ZCNoteEncryption(hSig)
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notes.forEach(function (note, i) {
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var pt = new NotePlaintext(note, outputs[i].memo)
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jsdesc.ciphertexts.push(pt.encrypt(encryptor, outputs[i].addr.pk_enc))
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})
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jsdesc.ephemeralKey = encryptor.epk
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// Authenticate hSig with each of the input
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// spending keys, producing macs which protect
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// against malleability.
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inputs.forEach(function (input, i) {
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jsdesc.macs.push(prf.PRF_pk(inputs[i].key.a_sk, i, hSig))
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})
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jsdesc.witness = new JSProofWitness(phi, rt, hSig, inputs, notes, vpubOld, vpubNew)
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return jsdesc
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}
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module.exports = JSDescription
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@ -0,0 +1,87 @@
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'use strict'
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var typeforce = require('typeforce')
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var types = require('./types')
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var zaddr = require('./address')
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var Note = require('./note')
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var ZCIncrementalMerkleTree = require('./incremental_merkle_tree')
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var ZCIncrementalWitness = require('./incremental_witness')
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function JSInput (witness, note, key) {
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typeforce(types.tuple(
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types.ZCIncrementalWitness,
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types.Note,
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types.SpendingKey
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), arguments)
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this.witness = witness
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this.note = note
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this.key = key
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}
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JSInput.dummy = function () {
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var key = zaddr.SpendingKey.random()
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var note = Note.dummy(key.address().a_pk)
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var dummyTree = new ZCIncrementalMerkleTree()
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dummyTree.append(note.cm())
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return new JSInput(ZCIncrementalWitness.fromTree(dummyTree), note, key)
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}
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JSInput.fromBuffer = function (buffer) {
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var offset = 0
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function readZCIncrementalWitness () {
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var witness = ZCIncrementalWitness.fromBuffer(buffer.slice(offset), true)
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offset += witness.byteLength()
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return witness
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}
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function readNote () {
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var proof = Note.fromBuffer(buffer.slice(offset), true)
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offset += proof.byteLength()
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return proof
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}
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function readSpendingKey () {
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var sk = zaddr.SpendingKey.fromBuffer(buffer.slice(offset), true)
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offset += sk.byteLength()
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return sk
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}
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var witness = readZCIncrementalWitness()
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var note = readNote()
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var key = readSpendingKey()
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var input = new JSInput(witness, note, key)
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return input
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}
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JSInput.prototype.byteLength = function () {
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return (
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this.witness.byteLength() +
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this.note.byteLength() +
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this.key.byteLength()
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)
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}
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JSInput.prototype.toBuffer = function () {
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var buffer = Buffer.alloc(this.byteLength())
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var offset = 0
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function writeSlice (slice) {
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slice.copy(buffer, offset)
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offset += slice.length
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}
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writeSlice(this.witness.toBuffer())
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writeSlice(this.note.toBuffer())
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writeSlice(this.key.toBuffer())
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return buffer
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}
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JSInput.prototype.nullifier = function () {
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return this.note.nullifier(this.key)
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}
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module.exports = JSInput
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@ -0,0 +1,95 @@
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'use strict'
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var bufferutils = require('./bufferutils')
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var prf = require('./prf')
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var typeforce = require('typeforce')
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var types = require('./types')
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var zaddr = require('./address')
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var zconst = require('./const')
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var Note = require('./note')
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function JSOutput (addr, value, memo) {
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typeforce(types.tuple(
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types.PaymentAddress,
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types.Zatoshi,
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types.maybe(types.Buffer)
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), arguments)
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if (!memo) {
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memo = Buffer.alloc(zconst.ZC_MEMO_SIZE)
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memo.fill(0)
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memo[0] = 0xF6 // 0xF6 is invalid UTF8 as per spec
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}
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this.addr = addr
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this.value = value
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this.memo = memo
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}
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JSOutput.dummy = function () {
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var aSk = zaddr.SpendingKey.random()
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return new JSOutput(aSk.address(), 0)
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}
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JSOutput.fromBuffer = function (buffer) {
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var offset = 0
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function readSlice (n) {
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offset += n
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return buffer.slice(offset - n, offset)
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}
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function readUInt64 () {
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var i = bufferutils.readUInt64LE(buffer, offset)
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offset += 8
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return i
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}
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function readPaymentAddress () {
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var addr = zaddr.PaymentAddress.fromBuffer(buffer.slice(offset), true)
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offset += addr.byteLength()
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return addr
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}
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var addr = readPaymentAddress()
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var value = readUInt64()
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var memo = readSlice(zconst.ZC_MEMO_SIZE)
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var output = new JSOutput(addr, value, memo)
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return output
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}
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JSOutput.prototype.toBuffer = function () {
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var buffer = Buffer.alloc(this.byteLength())
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var offset = 0
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function writeSlice (slice) {
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slice.copy(buffer, offset)
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offset += slice.length
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}
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function writeUInt64 (i) {
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bufferutils.writeUInt64LE(buffer, i, offset)
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offset += 8
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}
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writeSlice(this.addr.toBuffer())
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writeUInt64(this.value)
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writeSlice(this.memo)
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return buffer
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}
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JSOutput.prototype.note = function (phi, r, i, hSig) {
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typeforce(types.tuple(
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types.Buffer252bit,
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types.Buffer256bit,
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types.Number,
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types.Buffer256bit
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), arguments)
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var rho = prf.PRF_rho(phi, i, hSig)
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return new Note(this.addr.a_pk, this.value, rho, r)
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}
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module.exports = JSOutput
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@ -0,0 +1,128 @@
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'use strict'
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var bufferutils = require('./bufferutils')
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var typeforce = require('typeforce')
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var types = require('./types')
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var zconst = require('./const')
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var JSInput = require('./jsinput')
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var Note = require('./note')
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function JSProofWitness (phi, rt, hSig, inputs, notes, vpubOld, vpubNew) {
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typeforce(types.tuple(
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types.Buffer252bit,
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types.Buffer256bit,
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types.Buffer256bit,
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[types.JSInput],
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[types.Note],
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types.Zatoshi,
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types.Zatoshi
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), arguments)
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this.phi = phi
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this.rt = rt
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this.hSig = hSig
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this.inputs = inputs
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this.notes = notes
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this.vpub_old = vpubOld
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this.vpub_new = vpubNew
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}
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JSProofWitness.fromBuffer = function (buffer, __noStrict) {
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var offset = 0
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function readSlice (n) {
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offset += n
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return buffer.slice(offset - n, offset)
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}
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function readUInt64 () {
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var i = bufferutils.readUInt64LE(buffer, offset)
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offset += 8
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return i
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}
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function readJSInput () {
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var input = JSInput.fromBuffer(buffer.slice(offset), true)
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offset += input.byteLength()
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return input
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}
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function readNote () {
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var proof = Note.fromBuffer(buffer.slice(offset), true)
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offset += proof.byteLength()
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return proof
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}
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var phi = readSlice(32)
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var rt = readSlice(32)
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var hSig = readSlice(32)
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var inputs = []
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for (var i = 0; i < zconst.ZC_NUM_JS_INPUTS; ++i) {
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inputs.push(readJSInput())
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}
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var notes = []
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for (i = 0; i < zconst.ZC_NUM_JS_OUTPUTS; ++i) {
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notes.push(readNote())
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}
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var vpubOld = readUInt64()
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var vpubNew = readUInt64()
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var witness = new JSProofWitness(phi, rt, hSig, inputs, notes, vpubOld, vpubNew)
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if (__noStrict) return witness
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if (offset !== buffer.length) throw new Error('JSProofWitness has unexpected data')
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return witness
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}
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JSProofWitness.fromHex = function (hex) {
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return JSProofWitness.fromBuffer(Buffer.from(hex, 'hex'))
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}
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JSProofWitness.prototype.byteLength = function () {
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return (
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112 +
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this.inputs.reduce(function (sum, input) { return sum + input.byteLength() }, 0) +
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this.notes.reduce(function (sum, note) { return sum + note.byteLength() }, 0)
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)
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}
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JSProofWitness.prototype.toBuffer = function () {
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var buffer = Buffer.alloc(this.byteLength())
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var offset = 0
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function writeSlice (slice) {
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slice.copy(buffer, offset)
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offset += slice.length
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}
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function writeUInt64 (i) {
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bufferutils.writeUInt64LE(buffer, i, offset)
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offset += 8
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}
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writeSlice(this.phi)
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writeSlice(this.rt)
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writeSlice(this.hSig)
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this.inputs.forEach(function (input) {
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writeSlice(input.toBuffer())
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})
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this.notes.forEach(function (note) {
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writeSlice(note.toBuffer())
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})
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writeUInt64(this.vpub_old)
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writeUInt64(this.vpub_new)
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return buffer
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}
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JSProofWitness.prototype.toHex = function () {
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return this.toBuffer().toString('hex')
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}
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module.exports = JSProofWitness
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23
src/types.js
23
src/types.js
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@ -29,15 +29,38 @@ var PaymentAddress = typeforce.compile({
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var SpendingKey = typeforce.compile({
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a_sk: Buffer252bit
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})
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var ZCIncrementalMerkleTree = typeforce.compile({
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left: typeforce.maybe(typeforce.BufferN(32)),
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right: typeforce.maybe(typeforce.BufferN(32)),
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parents: [typeforce.maybe(typeforce.BufferN(32))]
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})
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var ZCIncrementalWitness = typeforce.compile({
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tree: ZCIncrementalMerkleTree,
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filled: [typeforce.BufferN(32)],
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cursor: typeforce.maybe(ZCIncrementalMerkleTree)
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})
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var JSInput = typeforce.compile({
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witness: ZCIncrementalWitness,
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note: Note,
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key: SpendingKey
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})
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var JSOutput = typeforce.compile({
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addr: PaymentAddress,
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value: Zatoshi,
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memo: typeforce.Buffer
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})
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// extend typeforce types with ours
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var types = {
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BoolNum: BoolNum,
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Buffer252bit: Buffer252bit,
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Buffer256bit: typeforce.BufferN(32),
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JSInput: JSInput,
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JSOutput: JSOutput,
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Note: Note,
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PaymentAddress: PaymentAddress,
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SpendingKey: SpendingKey,
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ZCIncrementalWitness: ZCIncrementalWitness,
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Zatoshi: Zatoshi
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}
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@ -0,0 +1,40 @@
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{
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"valid": [
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{
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"randomSeed": "6161616161616161616161616161616161616161616161616161616161616161",
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"nullifiers": [
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"6262626262626262626262626262626262626262626262626262626262626262",
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"6363636363636363636363636363636363636363636363636363636363636363"
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],
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"pubKeyHash": "6464646464646464646464646464646464646464646464646464646464646464",
|
||||
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|||
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|
||||
"rho": "4893a0a21fbbd9d7a2ddb1c87de9d410c05657f18a77c18108e4cd8831257f56",
|
||||
"r": "0778a5516340b11118dfd61d53d6dca72a828b4716781ca9687a60b1dcd40405"
|
||||
}
|
||||
],
|
||||
"vpub_old": 0,
|
||||
"vpub_new": 0
|
||||
},
|
||||
"hex": "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"
|
||||
},
|
||||
{
|
||||
"raw": {
|
||||
"phi": "03fb6a5ca0679f5cf070364f46277ffdef3ba1c31ee837ae6a7b395a15269890",
|
||||
"anchor": "d7c612c817793191a1e68652121876d6b3bde40f4fa52bc314145ce6e5cdd259",
|
||||
"hSig": "0e11db074d3af0aca06bf4bc7875f8f849f344cf72f7fe34fdf6ae5742d83f83",
|
||||
"inputs": [
|
||||
{
|
||||
"witness": "01ed6ce7fb34bd756cfe27d2ff4e45a8d85db47795347ec1a2116573eeccdcc38800000000",
|
||||
"note": {
|
||||
"a_pk": "9733afbfb6b7d56da19b43af4ef1ef0c9b0766a8d0d7574a4a477bf6aa301b7b",
|
||||
"value": 0,
|
||||
"rho": "f2a506f9f5f49f7878f14f4bd9b9e45e50500f9b7445fcb0100d030acb59d4f7",
|
||||
"r": "5cdf75c862c1cc01d5a60f8f1008387feeecc81e6f02b90d8ed6bf1e22dc7007"
|
||||
},
|
||||
"key": "0bd24836f1d6d562cf3f1415f9d6cee17023d4dbb9e784f2ab5521f5727782fc"
|
||||
},
|
||||
{
|
||||
"witness": "016ab05aece4c6c121d4581f892a8fcb93edf7b85886fae4251004be66e7c7e0ed00000000",
|
||||
"note": {
|
||||
"a_pk": "336683d7b004676f7d0e5a6867eddc325589d1dd45e2bf5c3461313b07662090",
|
||||
"value": 0,
|
||||
"rho": "26bfc3ef01683121f9eb6d7fcf52d2028022bc6d018f22c4cb2d8390333eb19a",
|
||||
"r": "43a26361212959f787b91a95b072826c5bd70bcb9fb52f86dcf9aad0addadc87"
|
||||
},
|
||||
"key": "0452a218d5b15bcac5905133ae714325482f9fbe4b7da7c5fd70c7aa06bde952"
|
||||
}
|
||||
],
|
||||
"notes": [
|
||||
{
|
||||
"a_pk": "63ef5198f2827ba4036d49beee6d7fb4007a74f2b5fc4b49dbf6917d4bd16395",
|
||||
"value": 0,
|
||||
"rho": "e1b20c36b7aa72a3e8fb8e0122208594df8224ea2169d03e0718c62d6467e398",
|
||||
"r": "a6024f9d2adf3f623a8e2a5e7887d24ba4631037f2a7c0d5a6ed457c9b151538"
|
||||
},
|
||||
{
|
||||
"a_pk": "361f300cf3f45065a623f178415dda857c0ab344913753f8469517d040597313",
|
||||
"value": 0,
|
||||
"rho": "bfedc03329eb135c58fceb445c3b4b0f23944d1f418ba6475e7fdc5261ab9ba1",
|
||||
"r": "06e661811e4ab6e8846a6e07ef4f0a64134691de2d0d4429e01ae6a225f90b50"
|
||||
}
|
||||
],
|
||||
"vpub_old": 0,
|
||||
"vpub_new": 0
|
||||
},
|
||||
"hex": "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"
|
||||
}
|
||||
],
|
||||
"invalid": {
|
||||
"fromBufferStrict": [
|
||||
{
|
||||
"exception": "JSProofWitness has unexpected data",
|
||||
"hex": "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"
|
||||
}
|
||||
]
|
||||
}
|
||||
}
|
||||
|
|
@ -6,6 +6,7 @@ var JSDescription = require('../src/jsdescription')
|
|||
var ZCProof = require('../src/proof')
|
||||
|
||||
var fixtures = require('./fixtures/jsdescription')
|
||||
var hSigFixtures = require('./fixtures/hsig')
|
||||
|
||||
describe('JSDescription', function () {
|
||||
function fromRaw (raw) {
|
||||
|
|
@ -90,4 +91,20 @@ describe('JSDescription', function () {
|
|||
})
|
||||
})
|
||||
})
|
||||
|
||||
describe('hSig', function () {
|
||||
hSigFixtures.valid.forEach(function (f) {
|
||||
it('equals ' + f.hex, function () {
|
||||
var jsdesc = new JSDescription()
|
||||
jsdesc.randomSeed = [].reverse.call(Buffer.from(f.randomSeed, 'hex'))
|
||||
f.nullifiers.forEach(function (nullifier) {
|
||||
jsdesc.nullifiers.push([].reverse.call(Buffer.from(nullifier, 'hex')))
|
||||
})
|
||||
|
||||
var actual = jsdesc.h_sig([].reverse.call(Buffer.from(f.pubKeyHash, 'hex')))
|
||||
var expected = [].reverse.call(Buffer.from(f.hex, 'hex'))
|
||||
assert.strictEqual(Buffer.from(actual).toString('hex'), expected.toString('hex'))
|
||||
})
|
||||
})
|
||||
})
|
||||
})
|
||||
|
|
|
|||
|
|
@ -0,0 +1,34 @@
|
|||
/* global describe, it */
|
||||
'use strict'
|
||||
|
||||
var assert = require('assert')
|
||||
|
||||
var JSProofWitness = require('../src/proof_witness')
|
||||
|
||||
var fixtures = require('./fixtures/proof_witness')
|
||||
|
||||
describe('JSProofWitness', function () {
|
||||
describe('fromBuffer/fromHex', function () {
|
||||
fixtures.valid.forEach(function (f, i) {
|
||||
it('imports random proof witness ' + i, function () {
|
||||
var actual = JSProofWitness.fromHex(f.hex)
|
||||
|
||||
assert.strictEqual(actual.toHex(), f.hex, actual.toHex())
|
||||
})
|
||||
})
|
||||
|
||||
fixtures.invalid.fromBufferStrict.forEach(function (f) {
|
||||
it('throws on ' + f.exception, function () {
|
||||
assert.throws(function () {
|
||||
JSProofWitness.fromHex(f.hex)
|
||||
}, new RegExp(f.exception))
|
||||
})
|
||||
|
||||
it('passes with __noStrict = true on ' + f.exception, function () {
|
||||
assert.doesNotThrow(function () {
|
||||
JSProofWitness.fromBuffer(Buffer.from(f.hex, 'hex'), true)
|
||||
}, new RegExp(f.exception))
|
||||
})
|
||||
})
|
||||
})
|
||||
})
|
||||
Loading…
Reference in New Issue