async def test_sending_and_receiving(self):
account1, account2 = self.account, self.wallet.generate_account(self.ledger)
await self.ledger.subscribe_account(account2)
await self.assertBalance(account1, '0.0')
await self.assertBalance(account2, '0.0')
addresses = await account1.receiving.get_addresses()
txids = await asyncio.gather(*(
self.blockchain.send_to_address(address, 1.1) for address in addresses[:5]
))
await asyncio.wait([self.on_transaction_id(txid) for txid in txids]) # mempool
await self.blockchain.generate(1)
await asyncio.wait([self.on_transaction_id(txid) for txid in txids]) # confirmed
await self.assertBalance(account1, '5.5')
await self.assertBalance(account2, '0.0')
address2 = await account2.receiving.get_or_create_usable_address()
tx = await Transaction.create(
[],
[Output.pay_pubkey_hash(
coins_to_satoshis('2.0'), self.ledger.address_to_hash160(address2)
)],
[account1], account1
)
await self.broadcast(tx)
await self.ledger.wait(tx) # mempool
await self.blockchain.generate(1)
await self.ledger.wait(tx) # confirmed
await self.assertBalance(account1, '3.499802')
await self.assertBalance(account2, '2.0')
utxos = await self.account.get_utxos()
tx = await Transaction.create(
[Input.spend(utxos[0])],
[],
[account1], account1
)
await self.broadcast(tx)
await self.ledger.wait(tx) # mempool
await self.blockchain.generate(1)
await self.ledger.wait(tx) # confirmed
tx = (await account1.get_transactions(include_is_my_input=True, include_is_my_output=True))[1]
self.assertEqual(satoshis_to_coins(tx.inputs[0].amount), '1.1')
self.assertEqual(satoshis_to_coins(tx.inputs[1].amount), '1.1')
self.assertEqual(satoshis_to_coins(tx.outputs[0].amount), '2.0')
self.assertEqual(tx.outputs[0].get_address(self.ledger), address2)
self.assertTrue(tx.outputs[0].is_internal_transfer)
self.assertTrue(tx.outputs[1].is_internal_transfer)
async def test_variety_of_transactions_and_longish_history(self):
await self.generate(300)
await self.assertBalance(self.account, '0.0')
addresses = await self.account.receiving.get_addresses()
# send 10 coins to first 10 receiving addresses and then 10 transactions worth 10 coins each
# to the 10th receiving address for a total of 30 UTXOs on the entire account
for i in range(10):
notification = asyncio.ensure_future(
self.on_address_update(addresses[i]))
_ = await self.send_to_address_and_wait(addresses[i], 10)
await notification
notification = asyncio.ensure_future(
self.on_address_update(addresses[9]))
_ = await self.send_to_address_and_wait(addresses[9], 10)
await notification
# use batching to reduce issues with send_to_address on cli
await self.assertBalance(self.account, '200.0')
self.assertEqual(20, await self.account.get_utxo_count())
# address gap should have increase by 10 to cover the first 10 addresses we've used up
addresses = await self.account.receiving.get_addresses()
self.assertEqual(30, len(addresses))
# there used to be a sync bug which failed to save TXIs between
# daemon restarts, clearing cache replicates that behavior
self.ledger._tx_cache.clear()
# spend from each of the first 10 addresses to the subsequent 10 addresses
txs = []
for address in addresses[10:20]:
txs.append(await Transaction.create([], [
Output.pay_pubkey_hash(coins_to_satoshis('1.0'),
self.ledger.address_to_hash160(address))
], [self.account], self.account))
await asyncio.wait([self.broadcast(tx) for tx in txs])
await asyncio.wait([self.ledger.wait(tx) for tx in txs])
# verify that a previous bug which failed to save TXIs doesn't come back
# this check must happen before generating a new block
self.assertTrue(
all([
tx.inputs[0].txo_ref.txo is not None
for tx in await self.ledger.db.get_transactions(
txid__in=[tx.id for tx in txs])
]))
await self.generate(1)
await asyncio.wait([self.ledger.wait(tx) for tx in txs])
await self.assertBalance(self.account, '199.99876')
# 10 of the UTXOs have been split into a 1 coin UTXO and a 9 UTXO change
self.assertEqual(30, await self.account.get_utxo_count())
# spend all 30 UTXOs into a a 199 coin UTXO and change
tx = await Transaction.create([], [
Output.pay_pubkey_hash(
coins_to_satoshis('199.0'),
self.ledger.address_to_hash160(addresses[-1]))
], [self.account], self.account)
await self.broadcast(tx)
await self.ledger.wait(tx)
await self.generate(1)
await self.ledger.wait(tx)
self.assertEqual(2, await
self.account.get_utxo_count()) # 199 + change
await self.assertBalance(self.account, '199.99649')