snowbridge_inbound_queue_primitives/
lib.rs

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1// SPDX-License-Identifier: Apache-2.0
2// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
3// SPDX-FileCopyrightText: 2021-2022 Parity Technologies (UK) Ltd.
4#![cfg_attr(not(feature = "std"), no_std)]
5pub mod v1;
6pub mod v2;
7use codec::Encode;
8use sp_core::blake2_256;
9use sp_std::marker::PhantomData;
10use xcm::prelude::{AccountKey20, Ethereum, GlobalConsensus, Location};
11use xcm_executor::traits::ConvertLocation;
12
13pub use snowbridge_verification_primitives::*;
14
15/// DEPRECATED in favor of [xcm_builder::ExternalConsensusLocationsConverterFor]
16pub struct EthereumLocationsConverterFor<AccountId>(PhantomData<AccountId>);
17impl<AccountId> ConvertLocation<AccountId> for EthereumLocationsConverterFor<AccountId>
18where
19	AccountId: From<[u8; 32]> + Clone,
20{
21	fn convert_location(location: &Location) -> Option<AccountId> {
22		match location.unpack() {
23			(2, [GlobalConsensus(Ethereum { chain_id })]) =>
24				Some(Self::from_chain_id(chain_id).into()),
25			(2, [GlobalConsensus(Ethereum { chain_id }), AccountKey20 { network: _, key }]) =>
26				Some(Self::from_chain_id_with_key(chain_id, *key).into()),
27			_ => None,
28		}
29	}
30}
31
32impl<AccountId> EthereumLocationsConverterFor<AccountId> {
33	pub fn from_chain_id(chain_id: &u64) -> [u8; 32] {
34		(b"ethereum-chain", chain_id).using_encoded(blake2_256)
35	}
36	pub fn from_chain_id_with_key(chain_id: &u64, key: [u8; 20]) -> [u8; 32] {
37		(b"ethereum-chain", chain_id, key).using_encoded(blake2_256)
38	}
39}
40
41pub type CallIndex = [u8; 2];
snowbridge_inbound_queue_primitives/lib.rs

snowbridge_inbound_queue_primitives/
lib.rs
