snapshot before rebranding
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// Copyright (C) Parity Technologies (UK) Ltd.
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// This file is part of Pezkuwi.
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// Pezkuwi is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Pezkuwi is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Pezkuwi. If not, see <http://www.gnu.org/licenses/>.
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//! Errors for the XCM pallet.
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use codec::{Decode, DecodeWithMemTracking, Encode};
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use pezframe_support::PalletError;
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use scale_info::TypeInfo;
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use xcm::latest::Error as XcmError;
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#[derive(
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Copy, Clone, Encode, Decode, DecodeWithMemTracking, Eq, PartialEq, Debug, TypeInfo, PalletError,
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)]
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pub enum ExecutionError {
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// Errors that happen due to instructions being executed. These alone are defined in the
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// XCM specification.
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/// An arithmetic overflow happened.
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#[codec(index = 0)]
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Overflow,
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/// The instruction is intentionally unsupported.
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#[codec(index = 1)]
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Unimplemented,
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/// Origin Register does not contain a value value for a reserve transfer notification.
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#[codec(index = 2)]
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UntrustedReserveLocation,
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/// Origin Register does not contain a value value for a teleport notification.
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#[codec(index = 3)]
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UntrustedTeleportLocation,
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/// `MultiLocation` value too large to descend further.
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#[codec(index = 4)]
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LocationFull,
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/// `MultiLocation` value ascend more parents than known ancestors of local location.
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#[codec(index = 5)]
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LocationNotInvertible,
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/// The Origin Register does not contain a valid value for instruction.
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#[codec(index = 6)]
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BadOrigin,
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/// The location parameter is not a valid value for the instruction.
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#[codec(index = 7)]
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InvalidLocation,
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/// The given asset is not handled.
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#[codec(index = 8)]
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AssetNotFound,
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/// An asset transaction (like withdraw or deposit) failed (typically due to type conversions).
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#[codec(index = 9)]
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FailedToTransactAsset,
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/// An asset cannot be withdrawn, potentially due to lack of ownership, availability or rights.
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#[codec(index = 10)]
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NotWithdrawable,
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/// An asset cannot be deposited under the ownership of a particular location.
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#[codec(index = 11)]
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LocationCannotHold,
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/// Attempt to send a message greater than the maximum supported by the transport protocol.
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#[codec(index = 12)]
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ExceedsMaxMessageSize,
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/// The given message cannot be translated into a format supported by the destination.
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#[codec(index = 13)]
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DestinationUnsupported,
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/// Destination is routable, but there is some issue with the transport mechanism.
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#[codec(index = 14)]
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Transport,
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/// Destination is known to be unroutable.
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#[codec(index = 15)]
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Unroutable,
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/// Used by `ClaimAsset` when the given claim could not be recognized/found.
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#[codec(index = 16)]
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UnknownClaim,
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/// Used by `Transact` when the functor cannot be decoded.
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#[codec(index = 17)]
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FailedToDecode,
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/// Used by `Transact` to indicate that the given weight limit could be breached by the
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/// functor.
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#[codec(index = 18)]
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MaxWeightInvalid,
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/// Used by `BuyExecution` when the Holding Register does not contain payable fees.
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#[codec(index = 19)]
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NotHoldingFees,
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/// Used by `BuyExecution` when the fees declared to purchase weight are insufficient.
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#[codec(index = 20)]
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TooExpensive,
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/// Used by the `Trap` instruction to force an error intentionally. Its code is included.
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#[codec(index = 21)]
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Trap,
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/// Used by `ExpectAsset`, `ExpectError` and `ExpectOrigin` when the expectation was not true.
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#[codec(index = 22)]
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ExpectationFalse,
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/// The provided pallet index was not found.
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#[codec(index = 23)]
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PalletNotFound,
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/// The given pallet's name is different to that expected.
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#[codec(index = 24)]
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NameMismatch,
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/// The given pallet's version has an incompatible version to that expected.
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#[codec(index = 25)]
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VersionIncompatible,
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/// The given operation would lead to an overflow of the Holding Register.
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#[codec(index = 26)]
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HoldingWouldOverflow,
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/// The message was unable to be exported.
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#[codec(index = 27)]
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ExportError,
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/// `MultiLocation` value failed to be reanchored.
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#[codec(index = 28)]
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ReanchorFailed,
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/// No deal is possible under the given constraints.
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#[codec(index = 29)]
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NoDeal,
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/// Fees were required which the origin could not pay.
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#[codec(index = 30)]
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FeesNotMet,
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/// Some other error with locking.
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#[codec(index = 31)]
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LockError,
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/// The state was not in a condition where the operation was valid to make.
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#[codec(index = 32)]
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NoPermission,
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/// The universal location of the local consensus is improper.
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#[codec(index = 33)]
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Unanchored,
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/// An asset cannot be deposited, probably because (too much of) it already exists.
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#[codec(index = 34)]
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NotDepositable,
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/// Too many assets matched the given asset filter.
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#[codec(index = 35)]
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TooManyAssets,
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// Errors that happen prior to instructions being executed. These fall outside of the XCM
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// spec.
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/// XCM version not able to be handled.
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UnhandledXcmVersion,
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/// Execution of the XCM would potentially result in a greater weight used than weight limit.
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WeightLimitReached,
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/// The XCM did not pass the barrier condition for execution.
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///
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/// The barrier condition differs on different chains and in different circumstances, but
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/// generally it means that the conditions surrounding the message were not such that the chain
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/// considers the message worth spending time executing. Since most chains lift the barrier to
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/// execution on appropriate payment, presentation of an NFT voucher, or based on the message
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/// origin, it means that none of those were the case.
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Barrier,
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/// The weight of an XCM message is not computable ahead of execution.
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WeightNotComputable,
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/// Recursion stack limit reached
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// TODO(https://github.com/pezkuwichain/pezkuwi-sdk/issues/148): This should have a fixed index since
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// we use it in `FrameTransactionalProcessor` // which is used in instructions.
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// Or we should create a different error for that.
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ExceedsStackLimit,
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}
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impl From<XcmError> for ExecutionError {
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fn from(error: XcmError) -> Self {
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match error {
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XcmError::Overflow => Self::Overflow,
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XcmError::Unimplemented => Self::Unimplemented,
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XcmError::UntrustedReserveLocation => Self::UntrustedReserveLocation,
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XcmError::UntrustedTeleportLocation => Self::UntrustedTeleportLocation,
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XcmError::LocationFull => Self::LocationFull,
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XcmError::LocationNotInvertible => Self::LocationNotInvertible,
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XcmError::BadOrigin => Self::BadOrigin,
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XcmError::InvalidLocation => Self::InvalidLocation,
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XcmError::AssetNotFound => Self::AssetNotFound,
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XcmError::FailedToTransactAsset(_) => Self::FailedToTransactAsset,
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XcmError::NotWithdrawable => Self::NotWithdrawable,
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XcmError::LocationCannotHold => Self::LocationCannotHold,
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XcmError::ExceedsMaxMessageSize => Self::ExceedsMaxMessageSize,
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XcmError::DestinationUnsupported => Self::DestinationUnsupported,
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XcmError::Transport(_) => Self::Transport,
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XcmError::Unroutable => Self::Unroutable,
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XcmError::UnknownClaim => Self::UnknownClaim,
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XcmError::FailedToDecode => Self::FailedToDecode,
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XcmError::MaxWeightInvalid => Self::MaxWeightInvalid,
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XcmError::NotHoldingFees => Self::NotHoldingFees,
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XcmError::TooExpensive => Self::TooExpensive,
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XcmError::Trap(_) => Self::Trap,
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XcmError::ExpectationFalse => Self::ExpectationFalse,
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XcmError::PalletNotFound => Self::PalletNotFound,
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XcmError::NameMismatch => Self::NameMismatch,
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XcmError::VersionIncompatible => Self::VersionIncompatible,
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XcmError::HoldingWouldOverflow => Self::HoldingWouldOverflow,
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XcmError::ExportError => Self::ExportError,
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XcmError::ReanchorFailed => Self::ReanchorFailed,
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XcmError::NoDeal => Self::NoDeal,
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XcmError::FeesNotMet => Self::FeesNotMet,
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XcmError::LockError => Self::LockError,
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XcmError::NoPermission => Self::NoPermission,
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XcmError::Unanchored => Self::Unanchored,
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XcmError::NotDepositable => Self::NotDepositable,
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XcmError::TooManyAssets => Self::TooManyAssets,
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XcmError::UnhandledXcmVersion => Self::UnhandledXcmVersion,
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XcmError::WeightLimitReached(_) => Self::WeightLimitReached,
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XcmError::Barrier => Self::Barrier,
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XcmError::WeightNotComputable => Self::WeightNotComputable,
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XcmError::ExceedsStackLimit => Self::ExceedsStackLimit,
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}
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}
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}
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