import asyncio import json import hashlib from binascii import hexlify, unhexlify from lbry.testcase import CommandTestCase from lbry.wallet.transaction import Transaction, Output from lbry.schema.compat import OldClaimMessage from lbry.crypto.hash import sha256 from lbry.crypto.base58 import Base58 class BaseResolveTestCase(CommandTestCase): async def assertResolvesToClaimId(self, name, claim_id): other = (await self.resolve(name))[name] if claim_id is None: self.assertIn('error', other) self.assertEqual(other['error']['name'], 'not_found') else: self.assertEqual(claim_id, other['claim_id']) class ResolveCommand(BaseResolveTestCase): async def test_resolve_response(self): channel_id = self.get_claim_id( await self.channel_create('@abc', '0.01') ) # resolving a channel @abc response = await self.resolve('lbry://@abc') self.assertSetEqual({'lbry://@abc'}, set(response)) self.assertEqual(response['lbry://@abc']['name'], '@abc') self.assertEqual(response['lbry://@abc']['value_type'], 'channel') self.assertEqual(response['lbry://@abc']['meta']['claims_in_channel'], 0) await self.stream_create('foo', '0.01', channel_id=channel_id) await self.stream_create('foo2', '0.01', channel_id=channel_id) # resolving a channel @abc with some claims in it response['lbry://@abc']['confirmations'] += 2 response['lbry://@abc']['meta']['claims_in_channel'] = 2 self.assertEqual(response, await self.resolve('lbry://@abc')) # resolving claim foo within channel @abc response = await self.resolve('lbry://@abc/foo') self.assertSetEqual({'lbry://@abc/foo'}, set(response)) claim = response['lbry://@abc/foo'] self.assertEqual(claim['name'], 'foo') self.assertEqual(claim['value_type'], 'stream') self.assertEqual(claim['signing_channel']['name'], '@abc') self.assertTrue(claim['is_channel_signature_valid']) self.assertEqual( claim['timestamp'], self.ledger.headers[claim['height']]['timestamp'] ) self.assertEqual( claim['signing_channel']['timestamp'], self.ledger.headers[claim['signing_channel']['height']]['timestamp'] ) # resolving claim foo by itself self.assertEqual(claim, (await self.resolve('lbry://foo'))['lbry://foo']) # resolving from the given permanent url permanent_url = response['lbry://@abc/foo']['permanent_url'] self.assertEqual(claim, (await self.resolve(permanent_url))[permanent_url]) # resolving multiple at once response = await self.resolve(['lbry://foo', 'lbry://foo2']) self.assertSetEqual({'lbry://foo', 'lbry://foo2'}, set(response)) claim = response['lbry://foo2'] self.assertEqual(claim['name'], 'foo2') self.assertEqual(claim['value_type'], 'stream') self.assertEqual(claim['signing_channel']['name'], '@abc') self.assertTrue(claim['is_channel_signature_valid']) # resolve has correct confirmations tx_details = await self.blockchain.get_raw_transaction(claim['txid']) self.assertEqual(claim['confirmations'], json.loads(tx_details)['confirmations']) # resolve handles invalid data await self.blockchain_claim_name("gibberish", hexlify(b"{'invalid':'json'}").decode(), "0.1") await self.generate(1) response = await self.resolve("lbry://gibberish") self.assertSetEqual({'lbry://gibberish'}, set(response)) claim = response['lbry://gibberish'] self.assertEqual(claim['name'], 'gibberish') self.assertNotIn('value', claim) # resolve retries await self.conductor.spv_node.stop() resolving_future = asyncio.ensure_future(self.resolve('foo')) await self.conductor.spv_node.start(self.conductor.blockchain_node) await self.ledger.on_ready.first self.assertIsNotNone((await resolving_future)['foo']['claim_id']) async def test_winning_by_effective_amount(self): # first one remains winner unless something else changes claim_id1 = self.get_claim_id( await self.channel_create('@foo', allow_duplicate_name=True)) await self.assertResolvesToClaimId('@foo', claim_id1) claim_id2 = self.get_claim_id( await self.channel_create('@foo', allow_duplicate_name=True)) await self.assertResolvesToClaimId('@foo', claim_id1) claim_id3 = self.get_claim_id( await self.channel_create('@foo', allow_duplicate_name=True)) await self.assertResolvesToClaimId('@foo', claim_id1) # supports change the winner await self.support_create(claim_id3, '0.09') await self.assertResolvesToClaimId('@foo', claim_id3) await self.support_create(claim_id2, '0.19') await self.assertResolvesToClaimId('@foo', claim_id2) await self.support_create(claim_id1, '0.29') await self.assertResolvesToClaimId('@foo', claim_id1) async def test_advanced_resolve(self): claim_id1 = self.get_claim_id( await self.stream_create('foo', '0.7', allow_duplicate_name=True)) claim_id2 = self.get_claim_id( await self.stream_create('foo', '0.8', allow_duplicate_name=True)) claim_id3 = self.get_claim_id( await self.stream_create('foo', '0.9', allow_duplicate_name=True)) # plain winning claim await self.assertResolvesToClaimId('foo', claim_id3) # sequence resolution await self.assertResolvesToClaimId('foo:1', claim_id1) await self.assertResolvesToClaimId('foo:2', claim_id2) await self.assertResolvesToClaimId('foo:3', claim_id3) await self.assertResolvesToClaimId('foo:4', None) # amount order resolution await self.assertResolvesToClaimId('foo$1', claim_id3) await self.assertResolvesToClaimId('foo$2', claim_id2) await self.assertResolvesToClaimId('foo$3', claim_id1) await self.assertResolvesToClaimId('foo$4', None) async def test_partial_claim_id_resolve(self): # add some noise await self.channel_create('@abc', '0.1', allow_duplicate_name=True) await self.channel_create('@abc', '0.2', allow_duplicate_name=True) await self.channel_create('@abc', '1.0', allow_duplicate_name=True) channel_id = self.get_claim_id( await self.channel_create('@abc', '1.1', allow_duplicate_name=True)) await self.assertResolvesToClaimId(f'@abc', channel_id) await self.assertResolvesToClaimId(f'@abc#{channel_id[:10]}', channel_id) await self.assertResolvesToClaimId(f'@abc#{channel_id}', channel_id) channel = (await self.claim_search(claim_id=channel_id))[0] await self.assertResolvesToClaimId(channel['short_url'], channel_id) await self.assertResolvesToClaimId(channel['canonical_url'], channel_id) await self.assertResolvesToClaimId(channel['permanent_url'], channel_id) # add some noise await self.stream_create('foo', '0.1', allow_duplicate_name=True, channel_id=channel['claim_id']) await self.stream_create('foo', '0.2', allow_duplicate_name=True, channel_id=channel['claim_id']) await self.stream_create('foo', '0.3', allow_duplicate_name=True, channel_id=channel['claim_id']) claim_id1 = self.get_claim_id( await self.stream_create('foo', '0.7', allow_duplicate_name=True, channel_id=channel['claim_id'])) claim1 = (await self.claim_search(claim_id=claim_id1))[0] await self.assertResolvesToClaimId('foo', claim_id1) await self.assertResolvesToClaimId('@abc/foo', claim_id1) await self.assertResolvesToClaimId(claim1['short_url'], claim_id1) await self.assertResolvesToClaimId(claim1['canonical_url'], claim_id1) await self.assertResolvesToClaimId(claim1['permanent_url'], claim_id1) claim_id2 = self.get_claim_id( await self.stream_create('foo', '0.8', allow_duplicate_name=True, channel_id=channel['claim_id'])) claim2 = (await self.claim_search(claim_id=claim_id2))[0] await self.assertResolvesToClaimId('foo', claim_id2) await self.assertResolvesToClaimId('@abc/foo', claim_id2) await self.assertResolvesToClaimId(claim2['short_url'], claim_id2) await self.assertResolvesToClaimId(claim2['canonical_url'], claim_id2) await self.assertResolvesToClaimId(claim2['permanent_url'], claim_id2) async def test_abandoned_channel_with_signed_claims(self): channel = (await self.channel_create('@abc', '1.0'))['outputs'][0] orphan_claim = await self.stream_create('on-channel-claim', '0.0001', channel_id=channel['claim_id']) abandoned_channel_id = channel['claim_id'] await self.channel_abandon(txid=channel['txid'], nout=0) channel = (await self.channel_create('@abc', '1.0'))['outputs'][0] orphan_claim_id = self.get_claim_id(orphan_claim) # Original channel doesn't exists anymore, so the signature is invalid. For invalid signatures, resolution is # only possible outside a channel response = await self.resolve('lbry://@abc/on-channel-claim') self.assertEqual(response, { 'lbry://@abc/on-channel-claim': { 'error': { 'name': 'not_found', 'text': 'Could not find claim at "lbry://@abc/on-channel-claim".', } } }) response = (await self.resolve('lbry://on-channel-claim'))['lbry://on-channel-claim'] self.assertFalse(response['is_channel_signature_valid']) self.assertEqual({'channel_id': abandoned_channel_id}, response['signing_channel']) direct_uri = 'lbry://on-channel-claim#' + orphan_claim_id response = (await self.resolve(direct_uri))[direct_uri] self.assertFalse(response['is_channel_signature_valid']) self.assertEqual({'channel_id': abandoned_channel_id}, response['signing_channel']) await self.stream_abandon(claim_id=orphan_claim_id) uri = 'lbry://@abc/on-channel-claim' # now, claim something on this channel (it will update the invalid claim, but we save and forcefully restore) valid_claim = await self.stream_create('on-channel-claim', '0.00000001', channel_id=channel['claim_id']) # resolves normally response = await self.resolve(uri) self.assertTrue(response[uri]['is_channel_signature_valid']) # ooops! claimed a valid conflict! (this happens on the wild, mostly by accident or race condition) await self.stream_create( 'on-channel-claim', '0.00000001', channel_id=channel['claim_id'], allow_duplicate_name=True ) # it still resolves! but to the older claim response = await self.resolve(uri) self.assertTrue(response[uri]['is_channel_signature_valid']) self.assertEqual(response[uri]['txid'], valid_claim['txid']) claims = await self.claim_search(name='on-channel-claim') self.assertEqual(2, len(claims)) self.assertEqual( {channel['claim_id']}, {claim['signing_channel']['claim_id'] for claim in claims} ) async def test_normalization_resolution(self): one = 'ΣίσυφοςfiÆ' two = 'ΣΊΣΥΦΟσFIæ' _ = await self.stream_create(one, '0.1') c = await self.stream_create(two, '0.2') winner_id = self.get_claim_id(c) r1 = await self.resolve(f'lbry://{one}') r2 = await self.resolve(f'lbry://{two}') self.assertEqual(winner_id, r1[f'lbry://{one}']['claim_id']) self.assertEqual(winner_id, r2[f'lbry://{two}']['claim_id']) async def test_resolve_old_claim(self): channel = await self.daemon.jsonrpc_channel_create('@olds', '1.0') await self.confirm_tx(channel.id) address = channel.outputs[0].get_address(self.account.ledger) claim = generate_signed_legacy(address, channel.outputs[0]) tx = await Transaction.claim_create('example', claim.SerializeToString(), 1, address, [self.account], self.account) await tx.sign([self.account]) await self.broadcast(tx) await self.confirm_tx(tx.id) response = await self.resolve('@olds/example') self.assertTrue(response['@olds/example']['is_channel_signature_valid']) claim.publisherSignature.signature = bytes(reversed(claim.publisherSignature.signature)) tx = await Transaction.claim_create( 'bad_example', claim.SerializeToString(), 1, address, [self.account], self.account ) await tx.sign([self.account]) await self.broadcast(tx) await self.confirm_tx(tx.id) response = await self.resolve('bad_example') self.assertFalse(response['bad_example']['is_channel_signature_valid']) response = await self.resolve('@olds/bad_example') self.assertEqual(response, { '@olds/bad_example': { 'error': { 'name': 'not_found', 'text': 'Could not find claim at "@olds/bad_example".', } } }) class ResolveAfterReorg(BaseResolveTestCase): async def reorg(self, start): blocks = self.ledger.headers.height - start self.blockchain.block_expected = start - 1 # go back to start await self.blockchain.invalidate_block(self.ledger.headers.hash(start).decode()) # go to previous + 1 await self.generate(blocks + 2) async def test_reorg(self): self.assertEqual(self.ledger.headers.height, 206) channel_name = '@abc' channel_id = self.get_claim_id( await self.channel_create(channel_name, '0.01') ) self.assertNotIn('error', (await self.resolve(channel_name))[channel_name]) await self.reorg(206) self.assertNotIn('error', (await self.resolve(channel_name))[channel_name]) stream_name = 'foo' stream_id = self.get_claim_id( await self.stream_create(stream_name, '0.01', channel_id=channel_id) ) self.assertNotIn('error', (await self.resolve(stream_name))[stream_name]) await self.reorg(206) self.assertNotIn('error', (await self.resolve(stream_name))[stream_name]) await self.support_create(stream_id, '0.01') self.assertNotIn('error', (await self.resolve(stream_name))[stream_name]) await self.reorg(206) self.assertNotIn('error', (await self.resolve(stream_name))[stream_name]) await self.stream_abandon(stream_id) self.assertNotIn('error', (await self.resolve(channel_name))[channel_name]) self.assertIn('error', (await self.resolve(stream_name))[stream_name]) await self.reorg(206) self.assertNotIn('error', (await self.resolve(channel_name))[channel_name]) self.assertIn('error', (await self.resolve(stream_name))[stream_name]) await self.channel_abandon(channel_id) self.assertIn('error', (await self.resolve(channel_name))[channel_name]) self.assertIn('error', (await self.resolve(stream_name))[stream_name]) await self.reorg(206) self.assertIn('error', (await self.resolve(channel_name))[channel_name]) self.assertIn('error', (await self.resolve(stream_name))[stream_name]) def generate_signed_legacy(address: bytes, output: Output): decoded_address = Base58.decode(address) claim = OldClaimMessage() claim.ParseFromString(unhexlify( '080110011aee04080112a604080410011a2b4865726520617265203520526561736f6e73204920e29da4e' 'fb88f204e657874636c6f7564207c20544c4722920346696e64206f7574206d6f72652061626f7574204e' '657874636c6f75643a2068747470733a2f2f6e657874636c6f75642e636f6d2f0a0a596f752063616e206' '6696e64206d65206f6e20746865736520736f6369616c733a0a202a20466f72756d733a2068747470733a' '2f2f666f72756d2e6865617679656c656d656e742e696f2f0a202a20506f64636173743a2068747470733' 'a2f2f6f6666746f706963616c2e6e65740a202a2050617472656f6e3a2068747470733a2f2f7061747265' '6f6e2e636f6d2f7468656c696e757867616d65720a202a204d657263683a2068747470733a2f2f7465657' '37072696e672e636f6d2f73746f7265732f6f6666696369616c2d6c696e75782d67616d65720a202a2054' '77697463683a2068747470733a2f2f7477697463682e74762f786f6e64616b0a202a20547769747465723' 'a2068747470733a2f2f747769747465722e636f6d2f7468656c696e757867616d65720a0a2e2e2e0a6874' '7470733a2f2f7777772e796f75747562652e636f6d2f77617463683f763d4672546442434f535f66632a0' 'f546865204c696e75782047616d6572321c436f7079726967687465642028636f6e746163742061757468' '6f722938004a2968747470733a2f2f6265726b2e6e696e6a612f7468756d626e61696c732f46725464424' '34f535f666352005a001a41080110011a30040e8ac6e89c061f982528c23ad33829fd7146435bf7a4cc22' 'f0bff70c4fe0b91fd36da9a375e3e1c171db825bf5d1f32209766964656f2f6d70342a5c080110031a406' '2b2dd4c45e364030fbfad1a6fefff695ebf20ea33a5381b947753e2a0ca359989a5cc7d15e5392a0d354c' '0b68498382b2701b22c03beb8dcb91089031b871e72214feb61536c007cdf4faeeaab4876cb397feaf6b51' )) claim.ClearField("publisherSignature") digest = sha256(b''.join([ decoded_address, claim.SerializeToString(), output.claim_hash[::-1] ])) signature = output.private_key.sign_digest_deterministic(digest, hashfunc=hashlib.sha256) claim.publisherSignature.version = 1 claim.publisherSignature.signatureType = 1 claim.publisherSignature.signature = signature claim.publisherSignature.certificateId = output.claim_hash[::-1] return claim