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113 lines
4.3 KiB
Python
113 lines
4.3 KiB
Python
import pytest
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from test.teos.unit.conftest import get_random_value_hex, generate_block, generate_blocks, fork, bitcoind_connect_params
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hex_tx = (
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"0100000001c997a5e56e104102fa209c6a852dd90660a20b2d9c352423edce25857fcd3704000000004847304402"
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"204e45e16932b8af514961a1d3a1a25fdf3f4f7732e9d624c6c61548ab5fb8cd410220181522ec8eca07de4860a4"
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"acdd12909d831cc56cbbac4622082221a8768d1d0901ffffffff0200ca9a3b00000000434104ae1a62fe09c5f51b"
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"13905f07f06b99a2f7159b2225f374cd378d71302fa28414e7aab37397f554a7df5f142c21c1b7303b8a0626f1ba"
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"ded5c72a704f7e6cd84cac00286bee0000000043410411db93e1dcdb8a016b49840f8c53bc1eb68a382e97b1482e"
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"cad7b148a6909a5cb2e0eaddfb84ccf9744464f82e160bfa9b8b64f9d4c03f999b8643f656b412a3ac00000000"
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)
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def test_get_best_block_hash(run_bitcoind, block_processor):
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best_block_hash = block_processor.get_best_block_hash()
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# As long as bitcoind is running (or mocked in this case) we should always a block hash
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assert best_block_hash is not None and isinstance(best_block_hash, str)
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def test_get_block(block_processor):
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best_block_hash = block_processor.get_best_block_hash()
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# Getting a block from a block hash we are aware of should return data
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block = block_processor.get_block(best_block_hash)
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# Checking that the received block has at least the fields we need
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# FIXME: We could be more strict here, but we'll need to add those restrictions to bitcoind_sim too
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assert isinstance(block, dict)
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assert block.get("hash") == best_block_hash and "height" in block and "previousblockhash" in block and "tx" in block
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def test_get_random_block(block_processor):
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block = block_processor.get_block(get_random_value_hex(32))
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assert block is None
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def test_get_block_count(block_processor):
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block_count = block_processor.get_block_count()
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assert isinstance(block_count, int) and block_count >= 0
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def test_decode_raw_transaction(block_processor):
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# We cannot exhaustively test this (we rely on bitcoind for this) but we can try to decode a correct transaction
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assert block_processor.decode_raw_transaction(hex_tx) is not None
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def test_decode_raw_transaction_invalid(block_processor):
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# Same but with an invalid one
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assert block_processor.decode_raw_transaction(hex_tx[::-1]) is None
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def test_get_missed_blocks(block_processor):
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target_block = block_processor.get_best_block_hash()
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# Generate some blocks and store the hash in a list
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missed_blocks = []
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for _ in range(5):
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generate_block()
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missed_blocks.append(block_processor.get_best_block_hash())
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# Check what we've missed
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assert block_processor.get_missed_blocks(target_block) == missed_blocks
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# We can see how it does not work if we replace the target by the first element in the list
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block_tip = missed_blocks[0]
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assert block_processor.get_missed_blocks(block_tip) != missed_blocks
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# But it does again if we skip that block
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assert block_processor.get_missed_blocks(block_tip) == missed_blocks[1:]
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def test_get_distance_to_tip(block_processor):
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target_distance = 5
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target_block = block_processor.get_best_block_hash()
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# Mine some blocks up to the target distance
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generate_blocks(target_distance)
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# Check if the distance is properly computed
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assert block_processor.get_distance_to_tip(target_block) == target_distance
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def test_is_block_in_best_chain(block_processor):
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best_block_hash = block_processor.get_best_block_hash()
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best_block = block_processor.get_block(best_block_hash)
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assert block_processor.is_block_in_best_chain(best_block_hash)
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fork(best_block.get("previousblockhash"))
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generate_blocks(2)
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assert not block_processor.is_block_in_best_chain(best_block_hash)
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def test_find_last_common_ancestor(block_processor):
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ancestor = block_processor.get_best_block_hash()
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generate_blocks(3)
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best_block_hash = block_processor.get_best_block_hash()
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# Create a fork (forking creates a block if the mock is set by events)
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fork(ancestor)
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# Create another block to make the best tip change (now both chains are at the same height)
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generate_blocks(5)
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# The last common ancestor between the old best and the new best should be the "ancestor"
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last_common_ancestor, dropped_txs = block_processor.find_last_common_ancestor(best_block_hash)
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assert last_common_ancestor == ancestor
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assert len(dropped_txs) == 3
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