From 7f129a0220b43057eba9d1677acec69b99b1146f Mon Sep 17 00:00:00 2001
From: Luke Van Seters <lukevanseters@gmail.com>
Date: Mon, 13 Sep 2021 18:44:04 -0400
Subject: [PATCH] Move inspect block logic into mev_inspect module from script

---
 mev_inspect/inspect_block.py | 73 ++++++++++++++++++++++++++++++++++++
 scripts/inspect_commands.py  | 71 +++++++++++++++++++++++++++++++++++
 2 files changed, 144 insertions(+)
 create mode 100644 mev_inspect/inspect_block.py
 create mode 100644 scripts/inspect_commands.py

diff --git a/mev_inspect/inspect_block.py b/mev_inspect/inspect_block.py
new file mode 100644
index 0000000..3b19345
--- /dev/null
+++ b/mev_inspect/inspect_block.py
@@ -0,0 +1,73 @@
+from web3 import Web3
+
+from mev_inspect.arbitrages import get_arbitrages
+from mev_inspect.block import create_from_block_number
+from mev_inspect.classifiers.trace import TraceClassifier
+from mev_inspect.crud.arbitrages import (
+    delete_arbitrages_for_block,
+    write_arbitrages,
+)
+from mev_inspect.crud.classified_traces import (
+    delete_classified_traces_for_block,
+    write_classified_traces,
+)
+from mev_inspect.crud.miner_payments import (
+    delete_miner_payments_for_block,
+    write_miner_payments,
+)
+from mev_inspect.crud.swaps import delete_swaps_for_block, write_swaps
+from mev_inspect.db import get_session
+from mev_inspect.miner_payments import get_miner_payments
+from mev_inspect.swaps import get_swaps
+
+
+def inspect_block(
+    base_provider,
+    w3: Web3,
+    block_number: int,
+    should_cache: bool,
+    should_write_classified_traces: bool = True,
+    should_write_swaps: bool = True,
+    should_write_arbitrages: bool = True,
+    should_write_miner_payments: bool = True,
+):
+    block = create_from_block_number(base_provider, w3, block_number, should_cache)
+
+    print(f"Total traces: {len(block.traces)}")
+
+    total_transactions = len(
+        set(t.transaction_hash for t in block.traces if t.transaction_hash is not None)
+    )
+    print(f"Total transactions: {total_transactions}")
+
+    trace_clasifier = TraceClassifier()
+    classified_traces = trace_clasifier.classify(block.traces)
+    print(f"Returned {len(classified_traces)} classified traces")
+
+    db_session = get_session()
+
+    if should_write_classified_traces:
+        delete_classified_traces_for_block(db_session, block_number)
+        write_classified_traces(db_session, classified_traces)
+
+    swaps = get_swaps(classified_traces)
+    print(f"Found {len(swaps)} swaps")
+
+    if should_write_swaps:
+        delete_swaps_for_block(db_session, block_number)
+        write_swaps(db_session, swaps)
+
+    arbitrages = get_arbitrages(swaps)
+    print(f"Found {len(arbitrages)} arbitrages")
+
+    if should_write_arbitrages:
+        delete_arbitrages_for_block(db_session, block_number)
+        write_arbitrages(db_session, arbitrages)
+
+    miner_payments = get_miner_payments(
+        block.miner, block.base_fee_per_gas, classified_traces, block.receipts
+    )
+
+    if should_write_miner_payments:
+        delete_miner_payments_for_block(db_session, block_number)
+        write_miner_payments(db_session, miner_payments)
diff --git a/scripts/inspect_commands.py b/scripts/inspect_commands.py
new file mode 100644
index 0000000..312dedc
--- /dev/null
+++ b/scripts/inspect_commands.py
@@ -0,0 +1,71 @@
+import click
+from web3 import Web3
+
+from mev_inspect.inspect_block import inspect_block
+from mev_inspect.retry import http_retry_with_backoff_request_middleware
+
+
+@click.group()
+def cli():
+    pass
+
+
+@cli.command()
+@click.argument("block_number", type=int)
+@click.argument("rpc")
+@click.option("--cache/--no-cache", default=True)
+def inspect_block_command(block_number: int, rpc: str, cache: bool):
+    base_provider = _get_base_provider(rpc)
+    w3 = Web3(base_provider)
+
+    if not cache:
+        click.echo("Skipping cache")
+
+    inspect_block(base_provider, w3, block_number, should_cache=cache)
+
+
+@cli.command()
+@click.argument("after_block", type=int)
+@click.argument("before_block", type=int)
+@click.argument("rpc")
+@click.option("--cache/--no-cache", default=True)
+def inspect_many_blocks_command(
+    after_block: int, before_block: int, rpc: str, cache: bool
+):
+    base_provider = _get_base_provider(rpc)
+    w3 = Web3(base_provider)
+
+    if not cache:
+        click.echo("Skipping cache")
+
+    for i, block_number in enumerate(range(after_block, before_block)):
+        block_message = (
+            f"Running for {block_number} ({i+1}/{before_block - after_block})"
+        )
+        dashes = "-" * len(block_message)
+        click.echo(dashes)
+        click.echo(block_message)
+        click.echo(dashes)
+
+        inspect_block(
+            base_provider,
+            w3,
+            block_number,
+            should_write_classified_traces=False,
+            should_cache=cache,
+        )
+
+
+def _get_base_provider(rpc: str) -> Web3.HTTPProvider:
+    base_provider = Web3.HTTPProvider(rpc)
+    base_provider.middlewares.remove("http_retry_request")
+    base_provider.middlewares.add(
+        http_retry_with_backoff_request_middleware,
+        "http_retry_with_backoff",
+    )
+
+    return base_provider
+
+
+if __name__ == "__main__":
+    cli()