moonbeam_client_evm_tracing/types/
single.rs

1// Copyright 2019-2025 PureStake Inc.
2// This file is part of Moonbeam.
3
4// Moonbeam is free software: you can redistribute it and/or modify
5// it under the terms of the GNU General Public License as published by
6// the Free Software Foundation, either version 3 of the License, or
7// (at your option) any later version.
8
9// Moonbeam is distributed in the hope that it will be useful,
10// but WITHOUT ANY WARRANTY; without even the implied warranty of
11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12// GNU General Public License for more details.
13
14// You should have received a copy of the GNU General Public License
15// along with Moonbeam.  If not, see <http://www.gnu.org/licenses/>.
16
17//! Types for the tracing of a single Ethereum transaction.
18//! Structure from "raw" debug_trace and a "call list" matching
19//! Blockscout formatter. This "call list" is also used to build
20//! the whole block tracing output.
21
22use super::serialization::*;
23use serde::{Deserialize, Serialize};
24
25use ethereum_types::{H160, H256, U256};
26use parity_scale_codec::{Decode, Encode};
27use sp_std::{collections::btree_map::BTreeMap, vec::Vec};
28
29#[derive(Clone, Eq, PartialEq, Debug, Encode, Decode, Serialize)]
30#[serde(rename_all = "camelCase", untagged)]
31pub enum Call {
32    Blockscout(crate::formatters::blockscout::BlockscoutCall),
33    CallTracer(crate::formatters::call_tracer::CallTracerCall),
34}
35
36#[derive(Clone, Copy, Eq, PartialEq, Debug, Encode, Decode)]
37pub enum TraceType {
38    /// Classic geth with no javascript based tracing.
39    Raw {
40        disable_storage: bool,
41        disable_memory: bool,
42        disable_stack: bool,
43    },
44    /// List of calls and subcalls formatted with an input tracer (i.e. callTracer or Blockscout).
45    CallList,
46    /// A single block trace. Use in `debug_traceTransactionByNumber` / `traceTransactionByHash`.
47    Block,
48}
49
50/// Single transaction trace.
51#[derive(Clone, Eq, PartialEq, Debug, Encode, Decode, Serialize)]
52#[serde(rename_all = "camelCase", untagged)]
53pub enum TransactionTrace {
54    /// Classical output of `debug_trace`.
55    #[serde(rename_all = "camelCase")]
56    Raw {
57        gas: U256,
58        #[serde(with = "hex")]
59        return_value: Vec<u8>,
60        struct_logs: Vec<RawStepLog>,
61    },
62    /// Matches the formatter used by Blockscout.
63    /// Is also used to built output of OpenEthereum's `trace_filter`.
64    CallList(Vec<Call>),
65    /// Used by Geth's callTracer.
66    CallListNested(Call),
67}
68
69#[derive(Clone, Eq, PartialEq, Debug, Encode, Decode, Serialize)]
70#[serde(rename_all = "camelCase")]
71pub struct RawStepLog {
72    #[serde(serialize_with = "u256_serialize")]
73    pub depth: U256,
74
75    //error: TODO
76    #[serde(serialize_with = "u256_serialize")]
77    pub gas: U256,
78
79    #[serde(serialize_with = "u256_serialize")]
80    pub gas_cost: U256,
81
82    #[serde(
83        serialize_with = "seq_h256_serialize",
84        skip_serializing_if = "Option::is_none"
85    )]
86    pub memory: Option<Vec<H256>>,
87
88    #[serde(serialize_with = "opcode_serialize")]
89    pub op: Vec<u8>,
90
91    #[serde(serialize_with = "u256_serialize")]
92    pub pc: U256,
93
94    #[serde(
95        serialize_with = "seq_h256_serialize",
96        skip_serializing_if = "Option::is_none"
97    )]
98    pub stack: Option<Vec<H256>>,
99
100    #[serde(skip_serializing_if = "Option::is_none")]
101    pub storage: Option<BTreeMap<H256, H256>>,
102}
103
104#[derive(Clone, Eq, PartialEq, Debug, Encode, Decode, Serialize, Deserialize)]
105#[serde(rename_all = "camelCase")]
106pub struct TraceCallConfig {
107    pub with_log: bool,
108}
109
110impl Default for TraceCallConfig {
111    fn default() -> Self {
112        Self { with_log: false }
113    }
114}
115
116#[derive(Clone, Debug, Encode, Decode, PartialEq, Eq, Serialize)]
117pub struct Log {
118    /// Event address.
119    pub address: H160,
120    /// Event topics
121    pub topics: Vec<H256>,
122    /// Event data
123    #[serde(serialize_with = "bytes_0x_serialize")]
124    pub data: Vec<u8>,
125}