Fast Sync checkpoints are out of date #47
Description
Synchronizing is very slow because Fast Sync checkpoints are out of date. They need to be updated.
See https://github.com/monero-project/monero/pull/8805/files#diff-3dcea545b20bc1145f2766e64ca91d4e547d6072462970fd67830e1be6cdf793R5585 for an example of what needs to be updated.
Checkpoints.dat can be generated using this command:
./haven-blockchain-export --output-file checkpoints.dat --block-stop HEIGHT --blocksdat
And expected_block_hashes_hash[] can be generated with sha256sum ./checkpoints.dat