pallet_erc20_xcm_bridge/
errors.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
17use sp_runtime::DispatchError;
18use xcm::latest::Error as XcmError;
19
20pub(crate) enum Erc20TransferError {
21	ContractTransferFail,
22	ContractReturnInvalidValue,
23	DispatchError(DispatchError),
24	EvmCallFail,
25}
26
27impl From<DispatchError> for Erc20TransferError {
28	fn from(e: DispatchError) -> Self {
29		Self::DispatchError(e)
30	}
31}
32
33impl From<Erc20TransferError> for XcmError {
34	fn from(error: Erc20TransferError) -> XcmError {
35		match error {
36			Erc20TransferError::ContractTransferFail => {
37				XcmError::FailedToTransactAsset("Erc20 contract transfer fail")
38			}
39			Erc20TransferError::ContractReturnInvalidValue => {
40				XcmError::FailedToTransactAsset("Erc20 contract return invalid value")
41			}
42			Erc20TransferError::DispatchError(err) => {
43				log::debug!("dispatch error: {:?}", err);
44				Self::FailedToTransactAsset("storage layer error")
45			}
46			Erc20TransferError::EvmCallFail => {
47				XcmError::FailedToTransactAsset("Fail to call erc20 contract")
48			}
49		}
50	}
51}
pallet_erc20_xcm_bridge/errors.rs

pallet_erc20_xcm_bridge/
errors.rs
