from typing import Optional from lbry.testcase import CommandTestCase from lbry.schema.purchase import Purchase from lbry.wallet.transaction import Transaction from lbry.wallet.dewies import lbc_to_dewies, dewies_to_lbc class PurchaseCommandTests(CommandTestCase): async def asyncSetUp(self): await super().asyncSetUp() self.merchant_address = await self.blockchain.get_raw_change_address() async def priced_stream( self, name='stream', price: Optional[str] = '0.2', currency='LBC', mine=False ) -> Transaction: kwargs = {} if price and currency: kwargs = { 'fee_amount': price, 'fee_currency': currency, 'fee_address': self.merchant_address } if not mine: kwargs['claim_address'] = self.merchant_address file_path = self.create_upload_file(data=b'high value content') tx = await self.daemon.jsonrpc_stream_create( name, '0.01', file_path=file_path, **kwargs ) await self.ledger.wait(tx) await self.generate(1) await self.ledger.wait(tx) await self.daemon.jsonrpc_file_delete(claim_name=name) return tx async def create_purchase(self, name, price): stream = await self.priced_stream(name, price) claim_id = stream.outputs[0].claim_id purchase = await self.daemon.jsonrpc_purchase_create(claim_id) await self.ledger.wait(purchase) return claim_id async def assertStreamPurchased(self, stream: Transaction, operation): await self.account.release_all_outputs() buyer_balance = await self.account.get_balance() merchant_balance = lbc_to_dewies(str(await self.blockchain.get_balance())) pre_purchase_count = (await self.daemon.jsonrpc_purchase_list())['total_items'] purchase = await operation() stream_txo, purchase_txo = stream.outputs[0], purchase.outputs[0] stream_fee = stream_txo.claim.stream.fee self.assertEqual(stream_fee.dewies, purchase_txo.amount) self.assertEqual(stream_fee.address, purchase_txo.get_address(self.ledger)) await self.ledger.wait(purchase) await self.generate(1) merchant_balance += lbc_to_dewies('1.0') # block reward await self.ledger.wait(purchase) self.assertEqual( await self.account.get_balance(), buyer_balance - (purchase.input_sum-purchase.outputs[2].amount)) self.assertEqual( str(await self.blockchain.get_balance()), dewies_to_lbc(merchant_balance + purchase_txo.amount)) purchases = await self.daemon.jsonrpc_purchase_list() self.assertEqual(purchases['total_items'], pre_purchase_count+1) tx = purchases['items'][0].tx_ref.tx self.assertEqual(len(tx.outputs), 3) # purchase txo, purchase data, change txo0 = tx.outputs[0] txo1 = tx.outputs[1] self.assertEqual(txo0.purchase, txo1) # purchase txo has reference to purchase data self.assertTrue(txo1.is_purchase_data) self.assertTrue(txo1.can_decode_purchase_data) self.assertIsInstance(txo1.purchase_data, Purchase) self.assertEqual(txo1.purchase_data.claim_id, stream_txo.claim_id) async def test_purchasing(self): stream = await self.priced_stream() claim_id = stream.outputs[0].claim_id # explicit purchase of claim await self.assertStreamPurchased(stream, lambda: self.daemon.jsonrpc_purchase_create(claim_id)) # check that `get` doesn't purchase it again balance = await self.account.get_balance() response = await self.daemon.jsonrpc_get('lbry://stream') self.assertIsNone(response.content_fee) self.assertEqual(await self.account.get_balance(), balance) self.assertItemCount(await self.daemon.jsonrpc_purchase_list(), 1) # `get` does purchase a stream we don't have yet another_stream = await self.priced_stream('another') async def imagine_its_a_lambda(): response = await self.daemon.jsonrpc_get('lbry://another') return response.content_fee await self.assertStreamPurchased(another_stream, imagine_its_a_lambda) # purchase non-existent claim fails with self.assertRaisesRegex(Exception, "Could not find claim with claim_id"): await self.daemon.jsonrpc_purchase_create('abc123') # purchase stream with no price fails no_price_stream = await self.priced_stream('no_price_stream', price=None) with self.assertRaisesRegex(Exception, "does not have a purchase price"): await self.daemon.jsonrpc_purchase_create(no_price_stream.outputs[0].claim_id) # purchase claim you already own fails with self.assertRaisesRegex(Exception, "You already have a purchase for claim_id"): await self.daemon.jsonrpc_purchase_create(claim_id) # force purchasing claim you already own await self.assertStreamPurchased( stream, lambda: self.daemon.jsonrpc_purchase_create(claim_id, allow_duplicate_purchase=True) ) # purchase by uri abc_stream = await self.priced_stream('abc') await self.assertStreamPurchased(abc_stream, lambda: self.daemon.jsonrpc_purchase_create(url='lbry://abc')) # purchase without valid exchange rate fails erm = self.daemon.component_manager.get_component('exchange_rate_manager') for feed in erm.market_feeds: feed.last_check -= 10_000 with self.assertRaisesRegex(Exception, "Unable to convert 50 from USD to LBC"): await self.daemon.jsonrpc_purchase_create(claim_id, allow_duplicate_purchase=True) async def test_purchase_and_transaction_list(self): self.assertItemCount(await self.daemon.jsonrpc_purchase_list(), 0) self.assertItemCount(await self.daemon.jsonrpc_transaction_list(), 1) claim_id1 = await self.create_purchase('a', '1.0') claim_id2 = await self.create_purchase('b', '1.0') result = await self.out(self.daemon.jsonrpc_purchase_list()) self.assertItemCount(await self.daemon.jsonrpc_transaction_list(), 5) self.assertItemCount(result, 2) self.assertEqual(result['items'][0]['type'], 'purchase') self.assertEqual(result['items'][0]['claim_id'], claim_id2) self.assertNotIn('claim', result['items'][0]) self.assertEqual(result['items'][1]['type'], 'purchase') self.assertEqual(result['items'][1]['claim_id'], claim_id1) self.assertNotIn('claim', result['items'][1]) result = await self.out(self.daemon.jsonrpc_purchase_list(resolve=True)) self.assertEqual(result['items'][0]['claim']['name'], 'b') self.assertEqual(result['items'][1]['claim']['name'], 'a') result = await self.daemon.jsonrpc_transaction_list() self.assertEqual(result['items'][0]['purchase_info'][0]['claim_id'], claim_id2) self.assertEqual(result['items'][2]['purchase_info'][0]['claim_id'], claim_id1) result = await self.claim_search(include_purchase_receipt=True) self.assertEqual(result[0]['claim_id'], result[0]['purchase_receipt']['claim_id']) self.assertEqual(result[1]['claim_id'], result[1]['purchase_receipt']['claim_id']) url = result[0]['canonical_url'] resolve = await self.resolve(url, include_purchase_receipt=True) self.assertEqual(result[0]['claim_id'], resolve['purchase_receipt']['claim_id']) self.assertItemCount(await self.daemon.jsonrpc_file_list(), 0) await self.daemon.jsonrpc_get('lbry://a') await self.daemon.jsonrpc_get('lbry://b') files = await self.file_list() self.assertEqual(files[0]['claim_id'], files[0]['purchase_receipt']['claim_id']) self.assertEqual(files[1]['claim_id'], files[1]['purchase_receipt']['claim_id']) async def test_seller_can_spend_received_purchase_funds(self): self.merchant_address = await self.account.receiving.get_or_create_usable_address() daemon2 = await self.add_daemon() address2 = await daemon2.wallet_manager.default_account.receiving.get_or_create_usable_address() sendtxid = await self.blockchain.send_to_address(address2, 2) await self.confirm_tx(sendtxid, daemon2.ledger) stream = await self.priced_stream('a', '1.0') await self.assertBalance(self.account, '9.987893') self.assertItemCount(await self.daemon.jsonrpc_utxo_list(), 1) purchase = await daemon2.jsonrpc_purchase_create(stream.outputs[0].claim_id) await self.ledger.wait(purchase) await self.generate(1) await self.ledger.wait(purchase) await self.assertBalance(self.account, '10.987893') self.assertItemCount(await self.daemon.jsonrpc_utxo_list(), 2) spend = await self.daemon.jsonrpc_wallet_send('10.5', address2) await self.ledger.wait(spend) await self.generate(1) await self.ledger.wait(spend) await self.assertBalance(self.account, '0.487695') self.assertItemCount(await self.daemon.jsonrpc_utxo_list(), 1) async def test_owner_not_required_purchase_own_content(self): await self.priced_stream(mine=True) # check that `get` doesn't purchase own claim balance = await self.account.get_balance() response = await self.daemon.jsonrpc_get('lbry://stream') self.assertIsNone(response.content_fee) self.assertEqual(await self.account.get_balance(), balance) self.assertItemCount(await self.daemon.jsonrpc_purchase_list(), 0)