105 lines
3.4 KiB
Python
105 lines
3.4 KiB
Python
import asyncio
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from secrets import token_bytes
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from pathlib import Path
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from typing import Any, Dict
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import sqlite3
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import random
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import aiosqlite
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import pytest
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from src.full_node.block_store import BlockStore
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from src.full_node.coin_store import CoinStore
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from src.full_node.blockchain import Blockchain
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from src.types.full_block import FullBlock
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from src.types.sized_bytes import bytes32
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from src.util.ints import uint32, uint64
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from tests.block_tools import BlockTools
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bt = BlockTools()
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test_constants: Dict[str, Any] = {
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"DIFFICULTY_STARTING": 5,
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"DISCRIMINANT_SIZE_BITS": 16,
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"BLOCK_TIME_TARGET": 10,
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"MIN_BLOCK_TIME": 2,
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"DIFFICULTY_EPOCH": 12, # The number of blocks per epoch
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"DIFFICULTY_DELAY": 3, # EPOCH / WARP_FACTOR
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}
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test_constants["GENESIS_BLOCK"] = bytes(
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bt.create_genesis_block(test_constants, bytes([0] * 32), b"0")
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)
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@pytest.fixture(scope="module")
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def event_loop():
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loop = asyncio.get_event_loop()
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yield loop
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class TestBlockStore:
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@pytest.mark.asyncio
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async def test_block_store(self):
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assert sqlite3.threadsafety == 1
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blocks = bt.get_consecutive_blocks(test_constants, 9, [], 9, b"0")
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blocks_alt = bt.get_consecutive_blocks(test_constants, 3, [], 9, b"1")
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db_filename = Path("blockchain_test.db")
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db_filename_2 = Path("blockchain_test_2.db")
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db_filename_3 = Path("blockchain_test_3.db")
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if db_filename.exists():
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db_filename.unlink()
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if db_filename_2.exists():
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db_filename_2.unlink()
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if db_filename_3.exists():
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db_filename_3.unlink()
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connection = await aiosqlite.connect(db_filename)
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connection_2 = await aiosqlite.connect(db_filename_2)
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connection_3 = await aiosqlite.connect(db_filename_3)
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db = await BlockStore.create(connection)
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db_2 = await BlockStore.create(connection_2)
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try:
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await db._clear_database()
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genesis = FullBlock.from_bytes(test_constants["GENESIS_BLOCK"])
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# Save/get block
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for block in blocks:
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await db.add_block(block)
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assert block == await db.get_block(block.header_hash)
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await db.add_block(blocks_alt[2])
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assert len(await db.get_blocks_at([1, 2])) == 3
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# Get headers (added alt block also, so +1)
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assert len(await db.get_headers()) == len(blocks) + 1
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# Test LCA
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assert (await db.get_lca()) is None
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unspent_store = await CoinStore.create(connection)
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b: Blockchain = await Blockchain.create(unspent_store, db, test_constants)
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assert (await db.get_lca()) == blocks[-3].header_hash
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assert b.lca_block.header_hash == (await db.get_lca())
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b_2: Blockchain = await Blockchain.create(unspent_store, db, test_constants)
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assert (await db.get_lca()) == blocks[-3].header_hash
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assert b_2.lca_block.header_hash == (await db.get_lca())
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except Exception:
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await connection.close()
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await connection_2.close()
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await connection_3.close()
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db_filename.unlink()
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db_filename_2.unlink()
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raise
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await connection.close()
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await connection_2.close()
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await connection_3.close()
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db_filename.unlink()
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db_filename_2.unlink()
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db_filename_3.unlink()
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