forked from LBRYCommunity/lbry-sdk
35 lines
1.3 KiB
Python
35 lines
1.3 KiB
Python
import asyncio
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import os
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from lbry.extras.cli import ensure_directory_exists
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from lbry.conf import Config
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from lbry.wallet.header import Headers
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import lbry.wallet.checkpoints
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async def main():
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outpath = lbry.wallet.checkpoints.__file__
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ledger_path = os.path.join(Config().wallet_dir, 'lbc_mainnet')
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ensure_directory_exists(ledger_path)
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headers_path = os.path.join(ledger_path, 'headers')
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headers = Headers(headers_path)
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await headers.open()
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print(f"Working on headers at {outpath}")
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print("Verifying integrity, might take a while.")
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await headers.repair()
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target = ((headers.height - 100) // 1000) * 1000
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current_checkpoint_tip = max(lbry.wallet.checkpoints.HASHES.keys())
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if target <= current_checkpoint_tip:
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print(f"We have nothing to add: Local: {target}, checkpoint: {current_checkpoint_tip}")
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return
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print(f"Headers file at {headers.height}, checkpointing up to {target}."
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f"Current checkpoint at {current_checkpoint_tip}.")
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with open(outpath, 'w') as outfile:
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print('HASHES = {', file=outfile)
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for height in range(0, target, 1000):
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print(f" {height}: '{headers.chunk_hash(height, 1000)}',", file=outfile)
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print('}', file=outfile)
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if __name__ == "__main__":
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asyncio.get_event_loop().run_until_complete(main())
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