mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-06-25 15:21:10 +00:00
Clara van Staden
2ab3f03f0b
Removes the `bridges/snowbridge/parachain` directory and moves everything up to under `snowbridge` directly. We are cleaning up our local dev env after merging our crates into the polkadot-sdk. --------- Co-authored-by: claravanstaden <Cats 4 life!>
51 lines
1.6 KiB
Rust
51 lines
1.6 KiB
Rust
// SPDX-License-Identifier: Apache-2.0
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// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
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use snowbridge_core::{inbound::Log, ChannelId};
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use sp_core::{RuntimeDebug, H160, H256};
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use sp_std::{convert::TryFrom, prelude::*};
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use alloy_primitives::B256;
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use alloy_sol_types::{sol, SolEvent};
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sol! {
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event OutboundMessageAccepted(bytes32 indexed channel_id, uint64 nonce, bytes32 indexed message_id, bytes payload);
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}
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/// An inbound message that has had its outer envelope decoded.
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#[derive(Clone, RuntimeDebug)]
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pub struct Envelope {
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/// The address of the outbound queue on Ethereum that emitted this message as an event log
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pub gateway: H160,
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/// The message Channel
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pub channel_id: ChannelId,
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/// A nonce for enforcing replay protection and ordering.
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pub nonce: u64,
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/// An id for tracing the message on its route (has no role in bridge consensus)
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pub message_id: H256,
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/// The inner payload generated from the source application.
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pub payload: Vec<u8>,
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}
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#[derive(Copy, Clone, RuntimeDebug)]
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pub struct EnvelopeDecodeError;
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impl TryFrom<&Log> for Envelope {
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type Error = EnvelopeDecodeError;
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fn try_from(log: &Log) -> Result<Self, Self::Error> {
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let topics: Vec<B256> = log.topics.iter().map(|x| B256::from_slice(x.as_ref())).collect();
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let event = OutboundMessageAccepted::decode_log(topics, &log.data, true)
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.map_err(|_| EnvelopeDecodeError)?;
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Ok(Self {
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gateway: log.address,
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channel_id: ChannelId::from(event.channel_id.as_ref()),
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nonce: event.nonce,
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message_id: H256::from(event.message_id.as_ref()),
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payload: event.payload,
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})
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}
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}
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