kopia lustrzana https://github.com/bugout-dev/moonstream
Sync latest blocks and optimized blocks list gen
rodzic
9e6fa856bb
commit
73da2e430a
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@ -4,81 +4,85 @@ Moonstream crawlers CLI.
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import argparse
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from distutils.util import strtobool
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import time
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from typing import List
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from .ethereum import crawl, check_missing_blocks
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from .ethereum import crawl, check_missing_blocks, synchronize_latest_blocks
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from .settings import MOONSTREAM_CRAWL_WORKERS
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def get_blocks_numbers_lists(
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bottom_block_number: int, top_block_number: int
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) -> List[List[int]]:
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def yield_blocks_numbers_lists(blocks_range_str: str) -> None:
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"""
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Generate list of blocks.
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Block steps used to prevent long executor tasks and data loss possibility.
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"""
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block_step = 1000
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blocks_numbers_list_raw = list(range(top_block_number, bottom_block_number - 1, -1))
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blocks_numbers_list_raw_len = len(blocks_numbers_list_raw)
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# Block steps used to prevent long executor tasks and data loss possibility
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# Block step 2 convert [1,2,3] -> [[1,2],[3]]
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if blocks_numbers_list_raw_len / block_step > 1:
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blocks_numbers_lists = [
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blocks_numbers_list_raw[i : i + block_step]
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for i in range(0, blocks_numbers_list_raw_len, block_step)
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]
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else:
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blocks_numbers_lists = [blocks_numbers_list_raw]
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return blocks_numbers_lists, blocks_numbers_list_raw_len
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try:
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blocks_start_end = blocks_range_str.split("-")
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bottom_block_number = int(blocks_start_end[0])
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top_block_number = int(blocks_start_end[1])
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required_blocks_len = top_block_number - bottom_block_number + 1
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except Exception:
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print(
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"Wrong format provided, expected {bottom_block}-{top_block}, as ex. 105-340"
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)
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return
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print(f"Required {required_blocks_len} blocks to process")
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while not top_block_number < bottom_block_number:
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temp_bottom_block_number = top_block_number - block_step
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if temp_bottom_block_number < bottom_block_number:
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temp_bottom_block_number = bottom_block_number - 1
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blocks_numbers_list = list(
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range(top_block_number, temp_bottom_block_number, -1)
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)
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yield blocks_numbers_list
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top_block_number -= block_step
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def ethcrawler_blocks_sync_handler(args: argparse.Namespace) -> None:
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"""
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Synchronize latest Ethereum blocks with database.
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"""
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while True:
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bottom_block_number, top_block_number = synchronize_latest_blocks(
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bool(strtobool(args.transactions))
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)
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for blocks_numbers_list in yield_blocks_numbers_lists(
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f"{bottom_block_number}-{top_block_number}"
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):
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crawl(
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block_numbers_list=blocks_numbers_list,
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with_transactions=bool(strtobool(args.transactions)),
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)
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print(f"Synchronized blocks from {bottom_block_number} to {top_block_number}")
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time.sleep(10)
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def ethcrawler_blocks_add_handler(args: argparse.Namespace) -> None:
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"""
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Add blocks to moonstream database.
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"""
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try:
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blocks_start_end = args.blocks.split("-")
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bottom_block_number = int(blocks_start_end[0])
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top_block_number = int(blocks_start_end[1])
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except Exception:
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print(
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"Wrong format provided, expected {bottom_block}-{top_block}, as ex. 105-340"
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)
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return
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blocks_numbers_lists, blocks_numbers_list_raw_len = get_blocks_numbers_lists(
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bottom_block_number, top_block_number
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)
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startTime = time.time()
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for blocks_numbers_list in blocks_numbers_lists:
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for blocks_numbers_list in yield_blocks_numbers_lists(args.blocks):
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crawl(
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block_numbers_list=blocks_numbers_list,
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with_transactions=bool(strtobool(args.transactions)),
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)
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print(
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f"Required time: {time.time() - startTime} for: {blocks_numbers_list_raw_len} "
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f"blocks with {MOONSTREAM_CRAWL_WORKERS} workers"
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f"Required {time.time() - startTime} "
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f"with {MOONSTREAM_CRAWL_WORKERS} workers"
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)
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def ethcrawler_blocks_missing_handler(args: argparse.Namespace) -> None:
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try:
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blocks_start_end = args.blocks.split("-")
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bottom_block_number = int(blocks_start_end[0])
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top_block_number = int(blocks_start_end[1])
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except Exception:
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print(
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"Wrong format provided, expected {bottom_block}-{top_block}, as ex. 105-340"
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)
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return
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blocks_numbers_lists, blocks_numbers_list_raw_len = get_blocks_numbers_lists(
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bottom_block_number, top_block_number
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)
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startTime = time.time()
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missing_blocks_numbers_total = []
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for blocks_numbers_list in blocks_numbers_lists:
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for blocks_numbers_list in yield_blocks_numbers_lists(args.blocks):
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print(
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f"Check missing blocks from {blocks_numbers_list[0]} to {blocks_numbers_list[-1]}"
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)
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@ -96,9 +100,9 @@ def ethcrawler_blocks_missing_handler(args: argparse.Namespace) -> None:
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with_transactions=bool(strtobool(args.transactions)),
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)
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print(
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f"Required time: {time.time() - startTime} for: {blocks_numbers_list_raw_len} "
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f"blocks with {MOONSTREAM_CRAWL_WORKERS} workers"
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f" with {len(missing_blocks_numbers_total)} missing blocks"
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f"Required {time.time() - startTime} "
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f"with {MOONSTREAM_CRAWL_WORKERS} workers "
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f"for {len(missing_blocks_numbers_total)} missing blocks"
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)
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@ -126,6 +130,18 @@ def main() -> None:
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description="Ethereum blocks commands"
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)
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parser_ethcrawler_blocks_sync = subcommands_ethcrawler_blocks.add_parser(
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"synchronize", description="Synchronize to latest ethereum block commands"
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)
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parser_ethcrawler_blocks_sync.add_argument(
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"-t",
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"--transactions",
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choices=["True", "False"],
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default="True",
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help="Add or not block transactions",
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)
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parser_ethcrawler_blocks_sync.set_defaults(func=ethcrawler_blocks_sync_handler)
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parser_ethcrawler_blocks_add = subcommands_ethcrawler_blocks.add_parser(
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"add", description="Add ethereum blocks commands"
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)
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@ -139,7 +155,7 @@ def main() -> None:
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"-t",
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"--transactions",
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choices=["True", "False"],
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default="False",
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default="True",
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help="Add or not block transactions",
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)
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parser_ethcrawler_blocks_add.set_defaults(func=ethcrawler_blocks_add_handler)
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@ -157,7 +173,7 @@ def main() -> None:
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"-t",
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"--transactions",
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choices=["True", "False"],
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default="False",
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default="True",
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help="Add or not block transactions",
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)
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parser_ethcrawler_blocks_missing.set_defaults(
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@ -14,7 +14,7 @@ def connect(ipc_path: Optional[str] = MOONSTREAM_IPC_PATH):
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return web3_client
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def add_block(db_session, block: BlockData, block_number: int) -> None:
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def add_block(db_session, block: BlockData) -> None:
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"""
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Add block if doesn't presented in database.
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"""
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@ -38,16 +38,19 @@ def add_block(db_session, block: BlockData, block_number: int) -> None:
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transactions_root=block.transactionsRoot.hex(),
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)
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db_session.add(block_obj)
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print(f"Added new block: {block_number}")
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print(f"Added new block: {block.number}")
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def add_block_transaction(db_session, block_number: int, tx) -> None:
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def add_block_transactions(db_session, block: BlockData) -> None:
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"""
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Add block transaction if doesn't presented in database.
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Add block transactions.
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"""
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tx_obj = EthereumTransaction(
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transactions_pack = []
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for tx in block.transactions:
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transactions_pack.append(
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EthereumTransaction(
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hash=tx.hash.hex(),
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block_number=block_number,
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block_number=block.number,
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from_address=tx["from"],
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to_address=tx.to,
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gas=tx.gas,
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@ -57,10 +60,26 @@ def add_block_transaction(db_session, block_number: int, tx) -> None:
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transaction_index=tx.transactionIndex,
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value=tx.value,
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)
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db_session.add(tx_obj)
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)
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db_session.bulk_save_objects(transactions_pack)
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def process_blocks(blocks_numbers: List[int], with_transactions: bool = False):
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def get_latest_blocks(with_transactions: bool = False) -> None:
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web3_client = connect()
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block_latest: BlockData = web3_client.eth.get_block(
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"latest", full_transactions=with_transactions
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)
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with yield_db_session_ctx() as db_session:
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block_latest_exist = (
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db_session.query(EthereumBlock)
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.order_by(EthereumBlock.block_number.desc())
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.first()
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)
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return block_latest_exist.block_number, block_latest.number
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def crawl_blocks(blocks_numbers: List[int], with_transactions: bool = False) -> None:
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"""
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Open database and geth sessions and fetch block data from blockchain.
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"""
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@ -70,14 +89,19 @@ def process_blocks(blocks_numbers: List[int], with_transactions: bool = False):
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block: BlockData = web3_client.eth.get_block(
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block_number, full_transactions=with_transactions
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)
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add_block(db_session, block, block_number)
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add_block(db_session, block)
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if with_transactions:
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for tx in block.transactions:
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add_block_transaction(db_session, block.number, tx)
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add_block_transactions(db_session, block)
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db_session.commit()
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def check_missing_blocks(blocks_numbers: List[int]):
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def check_missing_blocks(blocks_numbers: List[int]) -> List[int]:
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"""
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Query block from postgres. If block does not presented in database,
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add to missing blocks numbers list.
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"""
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missing_blocks_numbers = []
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for block_number in blocks_numbers:
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with yield_db_session_ctx() as db_session:
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def crawl(block_numbers_list: List[int], with_transactions: bool = False) -> None:
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"""
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Execute crawler.
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Execute crawler in processes.
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"""
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with ProcessPoolExecutor(max_workers=MOONSTREAM_CRAWL_WORKERS) as executor:
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for worker in range(1, MOONSTREAM_CRAWL_WORKERS + 1):
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f"Added executor for list of blocks with len: {len(block_numbers_list[worker-1::MOONSTREAM_CRAWL_WORKERS])}"
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)
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executor.submit(
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process_blocks,
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crawl_blocks,
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block_numbers_list[worker - 1 :: MOONSTREAM_CRAWL_WORKERS],
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with_transactions,
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)
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