evm_tracing_events/
evm.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
17extern crate alloc;
18
19use alloc::vec::Vec;
20use ethereum_types::{H160, H256, U256};
21use evm::ExitReason;
22use parity_scale_codec::{Decode, Encode};
23
24#[derive(Clone, Debug, Encode, Decode, PartialEq, Eq)]
25pub struct Transfer {
26	/// Source address.
27	pub source: H160,
28	/// Target address.
29	pub target: H160,
30	/// Transfer value.
31	pub value: U256,
32}
33
34impl From<evm_runtime::Transfer> for Transfer {
35	fn from(i: evm_runtime::Transfer) -> Self {
36		Self {
37			source: i.source,
38			target: i.target,
39			value: i.value,
40		}
41	}
42}
43
44#[derive(Clone, Copy, Eq, PartialEq, Debug, Encode, Decode)]
45pub enum CreateScheme {
46	/// Legacy create scheme of `CREATE`.
47	Legacy {
48		/// Caller of the create.
49		caller: H160,
50	},
51	/// Create scheme of `CREATE2`.
52	Create2 {
53		/// Caller of the create.
54		caller: H160,
55		/// Code hash.
56		code_hash: H256,
57		/// Salt.
58		salt: H256,
59	},
60	/// Create at a fixed location.
61	Fixed(H160),
62}
63
64impl From<evm_runtime::CreateScheme> for CreateScheme {
65	fn from(i: evm_runtime::CreateScheme) -> Self {
66		match i {
67			evm_runtime::CreateScheme::Legacy { caller } => Self::Legacy { caller },
68			evm_runtime::CreateScheme::Create2 {
69				caller,
70				code_hash,
71				salt,
72			} => Self::Create2 {
73				caller,
74				code_hash,
75				salt,
76			},
77			evm_runtime::CreateScheme::Fixed(address) => Self::Fixed(address),
78		}
79	}
80}
81
82#[derive(Debug, Clone, Encode, Decode, PartialEq, Eq)]
83pub enum EvmEvent {
84	Call {
85		code_address: H160,
86		transfer: Option<Transfer>,
87		input: Vec<u8>,
88		target_gas: Option<u64>,
89		is_static: bool,
90		context: super::Context,
91	},
92	Create {
93		caller: H160,
94		address: H160,
95		scheme: CreateScheme,
96		value: U256,
97		init_code: Vec<u8>,
98		target_gas: Option<u64>,
99	},
100	Suicide {
101		address: H160,
102		target: H160,
103		balance: U256,
104	},
105	Exit {
106		reason: ExitReason,
107		return_value: Vec<u8>,
108	},
109	TransactCall {
110		caller: H160,
111		address: H160,
112		value: U256,
113		data: Vec<u8>,
114		gas_limit: u64,
115	},
116	TransactCreate {
117		caller: H160,
118		value: U256,
119		init_code: Vec<u8>,
120		gas_limit: u64,
121		address: H160,
122	},
123	TransactCreate2 {
124		caller: H160,
125		value: U256,
126		init_code: Vec<u8>,
127		salt: H256,
128		gas_limit: u64,
129		address: H160,
130	},
131	PrecompileSubcall {
132		code_address: H160,
133		transfer: Option<Transfer>,
134		input: Vec<u8>,
135		target_gas: Option<u64>,
136		is_static: bool,
137		context: super::Context,
138	},
139	Log {
140		address: H160,
141		topics: Vec<H256>,
142		data: Vec<u8>,
143	},
144}
145
146#[cfg(feature = "evm-tracing")]
147impl<'a> From<evm::tracing::Event<'a>> for EvmEvent {
148	fn from(i: evm::tracing::Event<'a>) -> Self {
149		match i {
150			evm::tracing::Event::Call {
151				code_address,
152				transfer,
153				input,
154				target_gas,
155				is_static,
156				context,
157			} => Self::Call {
158				code_address,
159				transfer: if let Some(transfer) = transfer {
160					Some(transfer.clone().into())
161				} else {
162					None
163				},
164				input: input.to_vec(),
165				target_gas,
166				is_static,
167				context: context.clone().into(),
168			},
169			evm::tracing::Event::Create {
170				caller,
171				address,
172				scheme,
173				value,
174				init_code,
175				target_gas,
176			} => Self::Create {
177				caller,
178				address,
179				scheme: scheme.into(),
180				value,
181				init_code: init_code.to_vec(),
182				target_gas,
183			},
184			evm::tracing::Event::Suicide {
185				address,
186				target,
187				balance,
188			} => Self::Suicide {
189				address,
190				target,
191				balance,
192			},
193			evm::tracing::Event::Exit {
194				reason,
195				return_value,
196			} => Self::Exit {
197				reason: reason.clone(),
198				return_value: return_value.to_vec(),
199			},
200			evm::tracing::Event::TransactCall {
201				caller,
202				address,
203				value,
204				data,
205				gas_limit,
206			} => Self::TransactCall {
207				caller,
208				address,
209				value,
210				data: data.to_vec(),
211				gas_limit,
212			},
213			evm::tracing::Event::TransactCreate {
214				caller,
215				value,
216				init_code,
217				gas_limit,
218				address,
219			} => Self::TransactCreate {
220				caller,
221				value,
222				init_code: init_code.to_vec(),
223				gas_limit,
224				address,
225			},
226			evm::tracing::Event::TransactCreate2 {
227				caller,
228				value,
229				init_code,
230				salt,
231				gas_limit,
232				address,
233			} => Self::TransactCreate2 {
234				caller,
235				value,
236				init_code: init_code.to_vec(),
237				salt,
238				gas_limit,
239				address,
240			},
241			evm::tracing::Event::PrecompileSubcall {
242				code_address,
243				transfer,
244				input,
245				target_gas,
246				is_static,
247				context,
248			} => Self::PrecompileSubcall {
249				code_address,
250				transfer: if let Some(transfer) = transfer {
251					Some(transfer.clone().into())
252				} else {
253					None
254				},
255				input: input.to_vec(),
256				target_gas,
257				is_static,
258				context: context.clone().into(),
259			},
260			evm::tracing::Event::Log {
261				address,
262				topics,
263				data,
264			} => Self::Log {
265				address,
266				topics: topics.to_vec(),
267				data: data.to_vec(),
268			},
269		}
270	}
271}
evm_tracing_events/evm.rs

evm_tracing_events/
evm.rs
