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test_geth.py
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import re
import pytest
from cchecksum import to_checksum_address
from eth_pydantic_types import HexBytes
from eth_utils import to_hex
from pydantic import ValidationError
from evm_trace.enums import CallType
from evm_trace.geth import (
TraceFrame,
create_trace_frames,
get_calltree_from_geth_call_trace,
get_calltree_from_geth_trace,
)
class TestTraceFrame:
def test_validation_passes(self, trace_frame_data):
frame = TraceFrame(**trace_frame_data)
assert frame
def test_no_memory(self):
pc = 0
op = "REVERT"
gas = 4732305
gas_cost = 3
depth = 1
stack = []
trace_frame = TraceFrame(pc=pc, op=op, gas=gas, gasCost=gas_cost, depth=depth, stack=stack)
assert trace_frame.pc == pc
assert trace_frame.op == op
assert trace_frame.gas == gas
assert trace_frame.gas_cost == gas_cost
assert trace_frame.depth == depth
assert trace_frame.stack == []
@pytest.mark.parametrize(
"test_data",
(
{"stack": ["potato"]},
{"memory": ["potato"]},
{"storage": {"piggy": "dippin"}},
),
)
def test_validation_fails(self, test_data, trace_frame_data):
data = {**trace_frame_data, **test_data}
with pytest.raises(ValidationError):
TraceFrame(**data)
def test_address(self, call_frame_data):
frame = TraceFrame(**call_frame_data)
assert frame.address == HexBytes("0x274b028b03a250ca03644e6c578d81f019ee1323")
def test_get_calltree_from_geth_trace(trace_frame_data):
trace_frame_data["op"] = "RETURN"
returndata = HexBytes("0x0000000000000000000000004d4d2c55eae97a04acafb66011df29463b665732")
root_node_kwargs = {
"gas_cost": 123,
"gas_limit": 1234,
"address": "0x56764a0000000000000000000000000000000031",
"calldata": HexBytes("0x21325"),
"value": 34,
"call_type": CallType.CALL,
"failed": False,
"returndata": returndata,
}
frames = (TraceFrame(**d) for d in (trace_frame_data,))
actual = get_calltree_from_geth_trace(frames, **root_node_kwargs)
# Tests against a bug where we could not set the return data.
assert actual.returndata == returndata
def test_get_calltree_from_geth_trace_when_given_list(trace_frame_data):
"""
Ensure we don't get recursion error!
"""
trace_frame_data["op"] = "RETURN"
returndata = HexBytes("0x0000000000000000000000004d4d2c55eae97a04acafb66011df29463b665732")
root_node_kwargs = {
"gas_cost": 123,
"gas_limit": 1234,
"address": "0x56764a0000000000000000000000000000000031",
"calldata": HexBytes("0x21325"),
"value": 34,
"call_type": CallType.CALL,
"failed": False,
"returndata": returndata,
}
frames = [TraceFrame(**trace_frame_data)]
actual = get_calltree_from_geth_trace(frames, **root_node_kwargs)
# Tests against a bug where we could not set the return data.
assert actual.returndata == returndata
def test_get_calltree_from_geth_trace_handles_events(geth_structlogs):
frames = [TraceFrame.model_validate(f) for f in geth_structlogs]
actual = get_calltree_from_geth_trace(frames)
contract_a = "e7f1725e7734ce288f8367e1bb143e90bb3f0512"
contract_a_checksum = to_checksum_address(contract_a)
expected_selector_0 = "0x7289bf584c70dbd1e1a9f47d4d86498048378245f23434470bbda959f708d0ff"
expected_selector_1 = "0x61fb72029c258791b830903dd8de307390e49a1673acb59083b1d0e26ce73e33"
expected_selector_2 = "0x5fc4e95e3c9b74ccfcc1edd97348437b79c0596201a3d5b11ffa63c3fb80cd69"
expected_repr = f"""
CALL
├── CALL: {contract_a_checksum}.<0x045856de>
├── CALL: {contract_a_checksum}.<0xbeed0f85>
│ ├── STATICCALL: 0x5FbDB2315678afecb367f032d93F642f64180aa3.<0x7007cbe8>
│ └── CALL: 0x5FbDB2315678afecb367f032d93F642f64180aa3.<0x878fb701>
│ ├── EVENT: {expected_selector_0}
│ ├── EVENT: {expected_selector_1}
│ └── EVENT: {expected_selector_2}
├── CALL: {contract_a_checksum}.<0xb27b8804>
├── CALL: {contract_a_checksum}.<0xb9e5b20a>
│ ├── STATICCALL: 0x5FbDB2315678afecb367f032d93F642f64180aa3.<0xe5e1d93f>
│ ├── CALL: 0x5FbDB2315678afecb367f032d93F642f64180aa3.<0x878fb701>
│ │ ├── EVENT: {expected_selector_0}
│ │ ├── EVENT: {expected_selector_1}
│ │ └── EVENT: {expected_selector_2}
│ ├── CALL: 0x5FbDB2315678afecb367f032d93F642f64180aa3.<0x90bb7141>
│ └── CALL: 0x5FbDB2315678afecb367f032d93F642f64180aa3.<0x90bb7141>
├── STATICCALL: 0x5FbDB2315678afecb367f032d93F642f64180aa3.<0xbff2e095>
├── STATICCALL: 0xe7f1725E7734CE288F8367e1Bb143E90bb3F0512.<0x9155fd57>
├── CALL: {contract_a_checksum}.<0xbeed0f85>
│ ├── STATICCALL: 0x5FbDB2315678afecb367f032d93F642f64180aa3.<0x7007cbe8>
│ └── CALL: 0x5FbDB2315678afecb367f032d93F642f64180aa3.<0x878fb701>
│ ├── EVENT: {expected_selector_0}
│ ├── EVENT: {expected_selector_1}
│ └── EVENT: {expected_selector_2}
└── CALL: {contract_a_checksum}.<0xbeed0f85>
├── STATICCALL: 0x5FbDB2315678afecb367f032d93F642f64180aa3.<0x7007cbe8>
└── CALL: 0x5FbDB2315678afecb367f032d93F642f64180aa3.<0x878fb701>
├── EVENT: {expected_selector_0}
├── EVENT: {expected_selector_1}
└── EVENT: {expected_selector_2}
""".strip()
actual_repr = repr(actual)
assert actual_repr == expected_repr
# Assertions related to direct event data.
actual_events = actual.calls[-1].calls[-1].events
assert len(actual_events) == 3
# Assert `.selector` is correct.
assert actual_events[0].selector == HexBytes(expected_selector_0)
assert actual_events[1].selector == HexBytes(expected_selector_1)
assert actual_events[2].selector == HexBytes(expected_selector_2)
# Assert `.topics` is correct.
assert actual_events[0].topics == [
HexBytes(expected_selector_0),
HexBytes(f"0x000000000000000000000000{contract_a}"),
HexBytes("0x0000000000000000000000000000000000000000000000000000000000000001"),
]
assert actual_events[1].topics == [
HexBytes(expected_selector_1),
HexBytes(f"0x000000000000000000000000{contract_a}"),
]
assert actual_events[2].topics == [
HexBytes(expected_selector_2),
HexBytes("0x0000000000000000000000000000000000000000000000000000000000000005"),
HexBytes("0x0000000000000000000000000000000000000000000000000000000000000006"),
HexBytes("0x0000000000000000000000000000000000000000000000000000000000000007"),
]
# Assert `.data` is correct.
assert actual_events[0].data == HexBytes(
"0x0000000000000000000000000000000000000000000000000000000000000002"
"0000000000000000000000000000000000000000000000000000000000000003"
)
assert actual_events[1].data == HexBytes(f"0x000000000000000000000000{contract_a}")
assert actual_events[2].data == HexBytes(
"0x0000000000000000000000000000000000000000000000000000000000000008"
"0000000000000000000000000000000000000000000000000000000000000009"
"000000000000000000000000000000000000000000000000000000000000000a"
)
def test_get_calltree_from_geth_call_trace(call_trace_data):
node = get_calltree_from_geth_call_trace(call_trace_data)
expected = """
CALL: 0xF2Df0b975c0C9eFa2f8CA0491C2d1685104d2488.<0x372dca07> [280038 gas]
├── CALL: 0xBcF7FFFD8B256Ec51a36782a52D0c34f6474D951.<0x045856de> [34004 gas]
├── CALL: 0xBcF7FFFD8B256Ec51a36782a52D0c34f6474D951.<0xbeed0f85> [62443 gas]
│ ├── STATICCALL: 0x274b028b03A250cA03644E6c578D81f019eE1323.<0x7007cbe8> [1497 gas]
│ └── CALL: 0x274b028b03A250cA03644E6c578D81f019eE1323.<0x878fb701> [41458 gas]
├── CALL: 0xBcF7FFFD8B256Ec51a36782a52D0c34f6474D951.<0xb27b8804> [723 gas]
├── CALL: 0xBcF7FFFD8B256Ec51a36782a52D0c34f6474D951.<0xb9e5b20a> [91563 gas]
│ ├── STATICCALL: 0x274b028b03A250cA03644E6c578D81f019eE1323.<0xe5e1d93f> [2375 gas]
│ ├── CALL: 0x274b028b03A250cA03644E6c578D81f019eE1323.<0x878fb701> [33858 gas]
│ ├── CALL: 0x274b028b03A250cA03644E6c578D81f019eE1323.<0x90bb7141> [25171 gas]
│ └── CALL: 0x274b028b03A250cA03644E6c578D81f019eE1323.<0x90bb7141> [23171 gas]
├── STATICCALL: 0x274b028b03A250cA03644E6c578D81f019eE1323.<0xbff2e095> [2814 gas]
├── STATICCALL: 0xBcF7FFFD8B256Ec51a36782a52D0c34f6474D951.<0x9155fd57> [859 gas]
├── CALL: 0xBcF7FFFD8B256Ec51a36782a52D0c34f6474D951.<0xbeed0f85> [32643 gas]
│ ├── STATICCALL: 0x274b028b03A250cA03644E6c578D81f019eE1323.<0x7007cbe8> [1497 gas]
│ └── CALL: 0x274b028b03A250cA03644E6c578D81f019eE1323.<0x878fb701> [25758 gas]
└── CALL: 0xBcF7FFFD8B256Ec51a36782a52D0c34f6474D951.<0xbeed0f85> [32643 gas]
├── STATICCALL: 0x274b028b03A250cA03644E6c578D81f019eE1323.<0x7007cbe8> [1497 gas]
└── CALL: 0x274b028b03A250cA03644E6c578D81f019eE1323.<0x878fb701> [25758 gas]
"""
assert repr(node) == expected.strip()
def test_get_call_tree_from_call_deploy_call_trace(deploy_call_trace_data):
node = get_calltree_from_geth_call_trace(deploy_call_trace_data)
expected = "CREATE: 0x274b028b03A250cA03644E6c578D81f019eE1323 [70148 gas]"
assert repr(node) == expected.strip()
def test_get_call_tree_from_create2_struct_logs(geth_create2_trace_frames):
address = "0x274b028b03A250cA03644E6c578D81f019eE1323"
calldata = "0x88ab52d4000000000000000000000000274b028b03a250ca03644e6c578d81f019ee1323"
node = get_calltree_from_geth_trace(
(x for x in geth_create2_trace_frames),
call_type=CallType.CALL,
address=address,
gas_limit=30000000,
calldata=HexBytes(calldata),
)
assert len(node.calls) == 2
actual = repr(node)[:120]
pattern = re.compile(
rf".*\s*CALL: {address}\."
rf"<{calldata[:10]}>\s*├── CREATE2: 0x[a-fA-F0-9]{{40}}[\s└─├\w:.<?>]*"
)
assert pattern.match(actual), f"actual: {actual}, pattern: {str(pattern)}"
def test_create_trace_frames_from_geth_create2_struct_logs(
geth_create2_struct_logs, geth_create2_trace_frames
):
frames = list(create_trace_frames(geth_create2_struct_logs))
assert len(frames) == len(geth_create2_trace_frames)
assert frames != geth_create2_trace_frames
create2_found = False
for frame in frames:
if frame.op.startswith("CREATE"):
assert frame.address
address = to_hex(frame.address)
assert address.startswith("0x")
assert len(address) == 42
create2_found = create2_found or frame.op == "CREATE2"
assert create2_found