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