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stealth: add randomly

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Daniel Cousens 2016-12-10 14:37:14 +11:00 committed by Daniel Cousens
parent 6f47bc4d70
commit d3da936adc
1 changed files with 23 additions and 1 deletions
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24
test/integration/stealth.js
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@ -118,7 +118,7 @@ describe('bitcoinjs-lib (crypto)', function () {
assert.equal(leaked.toWIF(), recipient.toWIF())
})
it('can generate a dual-key stealth address (randomly)', function () {
it('can generate a dual-key stealth address', function () {
// XXX: should be randomly generated, see next test for example
var recipient = bitcoin.ECPair.fromWIF('5KYZdUEo39z3FPrtuX2QbbwGnNP5zTd7yyr2SC1j299sBCnWjss') // private to recipient
var scan = bitcoin.ECPair.fromWIF('L5DkCk3xLLoGKncqKsWQTdaPSR4V8gzc14WVghysQGkdryRudjBM') // private to scanner/recipient
@ -140,4 +140,26 @@ describe('bitcoinjs-lib (crypto)', function () {
assert.equal(forSender.getAddress(), forScanner.getAddress())
assert.equal(forSender.getAddress(), forRecipient.getAddress())
})
it('can generate a dual-key stealth address (randomly)', function () {
var recipient = bitcoin.ECPair.makeRandom() // private to recipient
var scan = bitcoin.ECPair.makeRandom() // private to scanner/recipient
var nonce = bitcoin.ECPair.makeRandom() // private to sender
// ... recipient reveals public key(s) (recipient.Q, scan.Q) to sender
var forSender = stealthDualSend(nonce.d, recipient.Q, scan.Q)
assert.throws(function () { forSender.toWIF() }, /Error: Missing private key/)
// ... sender reveals nonce public key (nonce.Q) to scanner
var forScanner = stealthDualScan(scan.d, recipient.Q, nonce.Q)
assert.throws(function () { forScanner.toWIF() }, /Error: Missing private key/)
// ... scanner reveals relevant transaction + nonce public key (nonce.Q) to recipient
var forRecipient = stealthDualReceive(scan.d, recipient.d, nonce.Q)
assert.doesNotThrow(function () { forRecipient.toWIF() })
// scanner, sender and recipient, all derived same address
assert.equal(forSender.getAddress(), forScanner.getAddress())
assert.equal(forSender.getAddress(), forRecipient.getAddress())
})
})