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https://github.com/aljazceru/python-teos.git
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83 lines
2.2 KiB
Python
83 lines
2.2 KiB
Python
from pisa.logger import Logger
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from pisa.tools import bitcoin_cli
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from pisa.utils.auth_proxy import JSONRPCException
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logger = Logger("BlockProcessor")
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class BlockProcessor:
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@staticmethod
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def get_block(block_hash):
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try:
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block = bitcoin_cli().getblock(block_hash)
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except JSONRPCException as e:
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block = None
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logger.error("Couldn't get block from bitcoind.", error=e.error)
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return block
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@staticmethod
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def get_best_block_hash():
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try:
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block_hash = bitcoin_cli().getbestblockhash()
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except JSONRPCException as e:
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block_hash = None
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logger.error("Couldn't get block hash.", error=e.error)
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return block_hash
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@staticmethod
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def get_block_count():
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try:
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block_count = bitcoin_cli().getblockcount()
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except JSONRPCException as e:
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block_count = None
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logger.error("Couldn't get block count", error=e.error)
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return block_count
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@staticmethod
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def decode_raw_transaction(raw_tx):
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try:
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tx = bitcoin_cli().decoderawtransaction(raw_tx)
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except JSONRPCException as e:
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tx = None
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logger.error("Can't build transaction from decoded data.", error=e.error)
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return tx
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def get_missed_blocks(self, last_know_block_hash):
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current_block_hash = self.get_best_block_hash()
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missed_blocks = []
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while current_block_hash != last_know_block_hash and current_block_hash is not None:
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missed_blocks.append(current_block_hash)
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current_block = self.get_block(current_block_hash)
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current_block_hash = current_block.get("previousblockhash")
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return missed_blocks[::-1]
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def get_distance_to_tip(self, target_block_hash):
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distance = None
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chain_tip = self.get_best_block_hash()
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chain_tip_height = self.get_block(chain_tip).get("height")
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target_block = self.get_block(target_block_hash)
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if target_block is not None:
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target_block_height = target_block.get("height")
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distance = chain_tip_height - target_block_height
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return distance
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