290 lines
11 KiB
Python
290 lines
11 KiB
Python
import unittest
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from binascii import hexlify
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from torba.client.constants import COIN, NULL_HASH32
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from lbrynet.schema.claim import Claim
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from lbrynet.wallet.server.db import SQLDB
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from lbrynet.wallet.server.trending import TRENDING_WINDOW
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from lbrynet.wallet.server.block_processor import Timer
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from lbrynet.wallet.transaction import Transaction, Input, Output
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def get_output(amount=COIN, pubkey_hash=NULL_HASH32):
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return Transaction() \
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.add_outputs([Output.pay_pubkey_hash(amount, pubkey_hash)]) \
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.outputs[0]
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def get_input():
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return Input.spend(get_output())
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def get_tx():
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return Transaction().add_inputs([get_input()])
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def claim_id(claim_hash):
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return hexlify(claim_hash[::-1]).decode()
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class OldWalletServerTransaction:
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def __init__(self, tx):
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self.tx = tx
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def serialize(self):
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return self.tx.raw
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class TestSQLDB(unittest.TestCase):
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def setUp(self):
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self.first_sync = False
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self.sql = SQLDB(self, ':memory:')
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self.timer = Timer('BlockProcessor')
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self.sql.open()
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self._current_height = 0
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self._txos = {}
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def _make_tx(self, output, txi=None):
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tx = get_tx().add_outputs([output])
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if txi is not None:
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tx.add_inputs([txi])
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self._txos[output.ref.hash] = output
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return OldWalletServerTransaction(tx), tx.hash
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def get_channel(self, title, amount, name='@foo'):
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claim = Claim()
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claim.channel.title = title
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channel = Output.pay_claim_name_pubkey_hash(amount, name, claim, b'abc')
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channel.generate_channel_private_key()
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return self._make_tx(channel)
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def get_stream(self, title, amount, name='foo'):
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claim = Claim()
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claim.stream.title = title
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return self._make_tx(Output.pay_claim_name_pubkey_hash(amount, name, claim, b'abc'))
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def get_stream_update(self, tx, amount):
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claim = Transaction(tx[0].serialize()).outputs[0]
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return self._make_tx(
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Output.pay_update_claim_pubkey_hash(
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amount, claim.claim_name, claim.claim_id, claim.claim, b'abc'
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),
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Input.spend(claim)
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)
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def get_stream_abandon(self, tx):
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claim = Transaction(tx[0].serialize()).outputs[0]
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return self._make_tx(
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Output.pay_pubkey_hash(claim.amount, b'abc'),
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Input.spend(claim)
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)
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def get_support(self, tx, amount):
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claim = Transaction(tx[0].serialize()).outputs[0]
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return self._make_tx(
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Output.pay_support_pubkey_hash(
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amount, claim.claim_name, claim.claim_id, b'abc'
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)
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)
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def get_controlling(self):
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for claim in self.sql.execute("select claim.* from claimtrie natural join claim"):
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txo = self._txos[claim['txo_hash']]
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controlling = txo.claim.stream.title, claim['amount'], claim['effective_amount'], claim['activation_height']
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return controlling
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def get_active(self):
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controlling = self.get_controlling()
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active = []
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for claim in self.sql.execute(
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f"select * from claim where activation_height <= {self._current_height}"):
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txo = self._txos[claim['txo_hash']]
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if controlling and controlling[0] == txo.claim.stream.title:
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continue
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active.append((txo.claim.stream.title, claim['amount'], claim['effective_amount'], claim['activation_height']))
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return active
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def get_accepted(self):
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accepted = []
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for claim in self.sql.execute(
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f"select * from claim where activation_height > {self._current_height}"):
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txo = self._txos[claim['txo_hash']]
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accepted.append((txo.claim.stream.title, claim['amount'], claim['effective_amount'], claim['activation_height']))
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return accepted
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def advance(self, height, txs):
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self._current_height = height
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self.sql.advance_txs(height, txs, {'timestamp': 1}, self.timer)
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return [otx[0].tx.outputs[0] for otx in txs]
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def state(self, controlling=None, active=None, accepted=None):
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self.assertEqual(controlling or [], self.get_controlling())
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self.assertEqual(active or [], self.get_active())
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self.assertEqual(accepted or [], self.get_accepted())
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def test_example_from_spec(self):
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# https://spec.lbry.com/#claim-activation-example
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advance, state = self.advance, self.state
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stream = self.get_stream('Claim A', 10*COIN)
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advance(13, [stream])
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state(
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controlling=('Claim A', 10*COIN, 10*COIN, 13),
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active=[],
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accepted=[]
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)
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advance(1001, [self.get_stream('Claim B', 20*COIN)])
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state(
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controlling=('Claim A', 10*COIN, 10*COIN, 13),
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active=[],
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accepted=[('Claim B', 20*COIN, 0, 1031)]
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)
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advance(1010, [self.get_support(stream, 14*COIN)])
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state(
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controlling=('Claim A', 10*COIN, 24*COIN, 13),
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active=[],
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accepted=[('Claim B', 20*COIN, 0, 1031)]
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)
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advance(1020, [self.get_stream('Claim C', 50*COIN)])
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state(
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controlling=('Claim A', 10*COIN, 24*COIN, 13),
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active=[],
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accepted=[
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('Claim B', 20*COIN, 0, 1031),
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('Claim C', 50*COIN, 0, 1051)]
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)
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advance(1031, [])
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state(
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controlling=('Claim A', 10*COIN, 24*COIN, 13),
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active=[('Claim B', 20*COIN, 20*COIN, 1031)],
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accepted=[('Claim C', 50*COIN, 0, 1051)]
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)
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advance(1040, [self.get_stream('Claim D', 300*COIN)])
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state(
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controlling=('Claim A', 10*COIN, 24*COIN, 13),
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active=[('Claim B', 20*COIN, 20*COIN, 1031)],
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accepted=[
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('Claim C', 50*COIN, 0, 1051),
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('Claim D', 300*COIN, 0, 1072)]
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)
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advance(1051, [])
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state(
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controlling=('Claim D', 300*COIN, 300*COIN, 1051),
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active=[
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('Claim A', 10*COIN, 24*COIN, 13),
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('Claim B', 20*COIN, 20*COIN, 1031),
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('Claim C', 50*COIN, 50*COIN, 1051)],
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accepted=[]
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)
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# beyond example
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advance(1052, [self.get_stream_update(stream, 290*COIN)])
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state(
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controlling=('Claim A', 290*COIN, 304*COIN, 13),
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active=[
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('Claim B', 20*COIN, 20*COIN, 1031),
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('Claim C', 50*COIN, 50*COIN, 1051),
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('Claim D', 300*COIN, 300*COIN, 1051),
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],
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accepted=[]
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)
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def test_competing_claims_subsequent_blocks_height_wins(self):
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advance, state = self.advance, self.state
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advance(13, [self.get_stream('Claim A', 10*COIN)])
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state(
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controlling=('Claim A', 10*COIN, 10*COIN, 13),
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active=[],
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accepted=[]
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)
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advance(14, [self.get_stream('Claim B', 10*COIN)])
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state(
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controlling=('Claim A', 10*COIN, 10*COIN, 13),
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active=[('Claim B', 10*COIN, 10*COIN, 14)],
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accepted=[]
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)
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advance(15, [self.get_stream('Claim C', 10*COIN)])
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state(
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controlling=('Claim A', 10*COIN, 10*COIN, 13),
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active=[
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('Claim B', 10*COIN, 10*COIN, 14),
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('Claim C', 10*COIN, 10*COIN, 15)],
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accepted=[]
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)
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def test_competing_claims_in_single_block_position_wins(self):
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advance, state = self.advance, self.state
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stream = self.get_stream('Claim A', 10*COIN)
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stream2 = self.get_stream('Claim B', 10*COIN)
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advance(13, [stream, stream2])
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state(
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controlling=('Claim A', 10*COIN, 10*COIN, 13),
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active=[('Claim B', 10*COIN, 10*COIN, 13)],
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accepted=[]
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)
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def test_competing_claims_in_single_block_effective_amount_wins(self):
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advance, state = self.advance, self.state
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stream = self.get_stream('Claim A', 10*COIN)
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stream2 = self.get_stream('Claim B', 11*COIN)
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advance(13, [stream, stream2])
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state(
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controlling=('Claim B', 11*COIN, 11*COIN, 13),
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active=[('Claim A', 10*COIN, 10*COIN, 13)],
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accepted=[]
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)
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def test_winning_claim_deleted(self):
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advance, state = self.advance, self.state
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stream = self.get_stream('Claim A', 10*COIN)
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stream2 = self.get_stream('Claim B', 11*COIN)
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advance(13, [stream, stream2])
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state(
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controlling=('Claim B', 11*COIN, 11*COIN, 13),
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active=[('Claim A', 10*COIN, 10*COIN, 13)],
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accepted=[]
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)
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advance(14, [self.get_stream_abandon(stream2)])
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state(
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controlling=('Claim A', 10*COIN, 10*COIN, 13),
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active=[],
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accepted=[]
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)
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def test_winning_claim_deleted_and_new_claim_becomes_winner(self):
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advance, state = self.advance, self.state
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stream = self.get_stream('Claim A', 10*COIN)
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stream2 = self.get_stream('Claim B', 11*COIN)
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advance(13, [stream, stream2])
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state(
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controlling=('Claim B', 11*COIN, 11*COIN, 13),
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active=[('Claim A', 10*COIN, 10*COIN, 13)],
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accepted=[]
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)
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advance(15, [self.get_stream_abandon(stream2), self.get_stream('Claim C', 12*COIN)])
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state(
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controlling=('Claim C', 12*COIN, 12*COIN, 15),
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active=[('Claim A', 10*COIN, 10*COIN, 13)],
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accepted=[]
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)
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def test_trending(self):
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advance, state = self.advance, self.state
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no_trend = self.get_stream('Claim A', COIN)
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downwards = self.get_stream('Claim B', COIN)
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up_small = self.get_stream('Claim C', COIN)
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up_medium = self.get_stream('Claim D', COIN)
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up_biggly = self.get_stream('Claim E', COIN)
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claims = advance(1, [up_biggly, up_medium, up_small, no_trend, downwards])
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for window in range(1, 8):
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advance(TRENDING_WINDOW * window, [
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self.get_support(downwards, (20-window)*COIN),
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self.get_support(up_small, int(20+(window/10)*COIN)),
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self.get_support(up_medium, (20+(window*(2 if window == 7 else 1)))*COIN),
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self.get_support(up_biggly, (20+(window*(3 if window == 7 else 1)))*COIN),
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])
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results = self.sql._search(order_by=['trending_local'])
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self.assertEqual([c.claim_id for c in claims], [claim_id(c['claim_hash']) for c in results])
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self.assertEqual([10, 6, 2, 0, -2], [int(c['trending_local']) for c in results])
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self.assertEqual([53, 38, -32, 0, -6], [int(c['trending_global']) for c in results])
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self.assertEqual([4, 4, 2, 0, 1], [int(c['trending_group']) for c in results])
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self.assertEqual([53, 38, 2, 0, -6], [int(c['trending_mixed']) for c in results])
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