Background thread to make dummy requests and trigger abe.store.catch_up(). Thread is set as daemon so CTRL-C interrupt will t

Load new blocks using RPC. Requires running *coind supporting getblockhash, getblock, and getrawtransaction. Bitcoind v0.8

Set address=Unknown for the bogus outputs in Bitcoin 71036.

Insert the firstbits that start with fb using addr_vers and are first seen in block_id. Return the count of rows inserted.

Create new firstbits records for block and addr_vers. All ancestor blocks must have their firstbits already recorded.

Check to see if the database contains a transaction for a given tx hash. :param tx_hash: :return: boolean

Drop columns that may have been added in error.

Redundant with x_cc_block

Return a dict with the following: * chain_candidates[] * chain * in_longest * chain_satoshis

Return a dict as seen by /rawtx or None if not found.

Return the address in lowercase. An initial substring of this will become the firstbits.