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Remove messed up bridges subtree

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Hernando Castano
2021-04-21 11:55:51 -04:00
parent 142a0aec2f
commit 86a376cd69
288 changed files with 0 additions and 64158 deletions
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polkadot/bridges/bin/rialto/runtime/src/millau_messages.rs
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// Copyright 2019-2020 Parity Technologies (UK) Ltd.
// This file is part of Parity Bridges Common.
// Parity Bridges Common is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// Parity Bridges Common is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with Parity Bridges Common. If not, see <http://www.gnu.org/licenses/>.
//! Everything required to serve Millau <-> Rialto message lanes.
use crate::Runtime;
use bp_message_lane::{
source_chain::TargetHeaderChain,
target_chain::{ProvedMessages, SourceHeaderChain},
InboundLaneData, LaneId, Message, MessageNonce, Parameter as MessageLaneParameter,
};
use bp_runtime::{InstanceId, MILLAU_BRIDGE_INSTANCE};
use bridge_runtime_common::messages::{self, ChainWithMessageLanes, MessageBridge};
use codec::{Decode, Encode};
use frame_support::{
parameter_types,
weights::{DispatchClass, Weight, WeightToFeePolynomial},
RuntimeDebug,
};
use sp_core::storage::StorageKey;
use sp_runtime::{FixedPointNumber, FixedU128};
use sp_std::{convert::TryFrom, ops::RangeInclusive};
parameter_types! {
/// Millau to Rialto conversion rate. Initially we treat both tokens as equal.
storage MillauToRialtoConversionRate: FixedU128 = 1.into();
}
/// Storage key of the Rialto -> Millau message in the runtime storage.
pub fn message_key(lane: &LaneId, nonce: MessageNonce) -> StorageKey {
pallet_message_lane::storage_keys::message_key::<Runtime, <Rialto as ChainWithMessageLanes>::MessageLaneInstance>(
lane, nonce,
)
}
/// Storage key of the Rialto -> Millau message lane state in the runtime storage.
pub fn outbound_lane_data_key(lane: &LaneId) -> StorageKey {
pallet_message_lane::storage_keys::outbound_lane_data_key::<<Rialto as ChainWithMessageLanes>::MessageLaneInstance>(
lane,
)
}
/// Storage key of the Millau -> Rialto message lane state in the runtime storage.
pub fn inbound_lane_data_key(lane: &LaneId) -> StorageKey {
pallet_message_lane::storage_keys::inbound_lane_data_key::<
Runtime,
<Rialto as ChainWithMessageLanes>::MessageLaneInstance,
>(lane)
}
/// Message payload for Rialto -> Millau messages.
pub type ToMillauMessagePayload = messages::source::FromThisChainMessagePayload<WithMillauMessageBridge>;
/// Message verifier for Rialto -> Millau messages.
pub type ToMillauMessageVerifier = messages::source::FromThisChainMessageVerifier<WithMillauMessageBridge>;
/// Message payload for Millau -> Rialto messages.
pub type FromMillauMessagePayload = messages::target::FromBridgedChainMessagePayload<WithMillauMessageBridge>;
/// Encoded Rialto Call as it comes from Millau.
pub type FromMillauEncodedCall = messages::target::FromBridgedChainEncodedMessageCall<WithMillauMessageBridge>;
/// Call-dispatch based message dispatch for Millau -> Rialto messages.
pub type FromMillauMessageDispatch = messages::target::FromBridgedChainMessageDispatch<
WithMillauMessageBridge,
crate::Runtime,
pallet_bridge_call_dispatch::DefaultInstance,
>;
/// Messages proof for Millau -> Rialto messages.
pub type FromMillauMessagesProof = messages::target::FromBridgedChainMessagesProof<bp_millau::Hash>;
/// Messages delivery proof for Rialto -> Millau messages.
pub type ToMillauMessagesDeliveryProof = messages::source::FromBridgedChainMessagesDeliveryProof<bp_millau::Hash>;
/// Millau <-> Rialto message bridge.
#[derive(RuntimeDebug, Clone, Copy)]
pub struct WithMillauMessageBridge;
impl MessageBridge for WithMillauMessageBridge {
const INSTANCE: InstanceId = MILLAU_BRIDGE_INSTANCE;
const RELAYER_FEE_PERCENT: u32 = 10;
type ThisChain = Rialto;
type BridgedChain = Millau;
fn maximal_extrinsic_size_on_target_chain() -> u32 {
bp_millau::max_extrinsic_size()
}
fn weight_limits_of_message_on_bridged_chain(_message_payload: &[u8]) -> RangeInclusive<Weight> {
// we don't want to relay too large messages + keep reserve for future upgrades
let upper_limit = messages::target::maximal_incoming_message_dispatch_weight(bp_millau::max_extrinsic_weight());
// we're charging for payload bytes in `WithMillauMessageBridge::weight_of_delivery_transaction` function
//
// this bridge may be used to deliver all kind of messages, so we're not making any assumptions about
// minimal dispatch weight here
0..=upper_limit
}
fn weight_of_delivery_transaction(message_payload: &[u8]) -> Weight {
let message_payload_len = u32::try_from(message_payload.len())
.map(Into::into)
.unwrap_or(Weight::MAX);
let extra_bytes_in_payload =
message_payload_len.saturating_sub(pallet_message_lane::EXPECTED_DEFAULT_MESSAGE_LENGTH.into());
messages::transaction_weight_without_multiplier(
bp_millau::BlockWeights::get().get(DispatchClass::Normal).base_extrinsic,
message_payload_len.saturating_add(bp_rialto::EXTRA_STORAGE_PROOF_SIZE as _),
extra_bytes_in_payload
.saturating_mul(bp_millau::ADDITIONAL_MESSAGE_BYTE_DELIVERY_WEIGHT)
.saturating_add(bp_millau::DEFAULT_MESSAGE_DELIVERY_TX_WEIGHT),
)
}
fn weight_of_delivery_confirmation_transaction_on_this_chain() -> Weight {
let inbounded_data_size: Weight =
InboundLaneData::<bp_millau::AccountId>::encoded_size_hint(bp_millau::MAXIMAL_ENCODED_ACCOUNT_ID_SIZE, 1)
.map(Into::into)
.unwrap_or(Weight::MAX);
messages::transaction_weight_without_multiplier(
bp_millau::BlockWeights::get().get(DispatchClass::Normal).base_extrinsic,
inbounded_data_size.saturating_add(bp_millau::EXTRA_STORAGE_PROOF_SIZE as _),
bp_rialto::MAX_SINGLE_MESSAGE_DELIVERY_CONFIRMATION_TX_WEIGHT,
)
}
fn this_weight_to_this_balance(weight: Weight) -> bp_rialto::Balance {
<crate::Runtime as pallet_transaction_payment::Config>::WeightToFee::calc(&weight)
}
fn bridged_weight_to_bridged_balance(weight: Weight) -> bp_millau::Balance {
// we're using the same weights in both chains now
<crate::Runtime as pallet_transaction_payment::Config>::WeightToFee::calc(&weight) as _
}
fn bridged_balance_to_this_balance(bridged_balance: bp_millau::Balance) -> bp_rialto::Balance {
bp_rialto::Balance::try_from(MillauToRialtoConversionRate::get().saturating_mul_int(bridged_balance))
.unwrap_or(bp_rialto::Balance::MAX)
}
}
/// Rialto chain from message lane point of view.
#[derive(RuntimeDebug, Clone, Copy)]
pub struct Rialto;
impl messages::ChainWithMessageLanes for Rialto {
type Hash = bp_rialto::Hash;
type AccountId = bp_rialto::AccountId;
type Signer = bp_rialto::AccountSigner;
type Signature = bp_rialto::Signature;
type Call = crate::Call;
type Weight = Weight;
type Balance = bp_rialto::Balance;
type MessageLaneInstance = crate::WithMillauMessageLaneInstance;
}
impl messages::ThisChainWithMessageLanes for Rialto {
fn is_outbound_lane_enabled(lane: &LaneId) -> bool {
*lane == LaneId::default()
}
fn maximal_pending_messages_at_outbound_lane() -> MessageNonce {
MessageNonce::MAX
}
}
/// Millau chain from message lane point of view.
#[derive(RuntimeDebug, Clone, Copy)]
pub struct Millau;
impl messages::ChainWithMessageLanes for Millau {
type Hash = bp_millau::Hash;
type AccountId = bp_millau::AccountId;
type Signer = bp_millau::AccountSigner;
type Signature = bp_millau::Signature;
type Call = (); // unknown to us
type Weight = Weight;
type Balance = bp_millau::Balance;
type MessageLaneInstance = pallet_message_lane::DefaultInstance;
}
impl TargetHeaderChain<ToMillauMessagePayload, bp_millau::AccountId> for Millau {
type Error = &'static str;
// The proof is:
// - hash of the header this proof has been created with;
// - the storage proof of one or several keys;
// - id of the lane we prove state of.
type MessagesDeliveryProof = ToMillauMessagesDeliveryProof;
fn verify_message(payload: &ToMillauMessagePayload) -> Result<(), Self::Error> {
messages::source::verify_chain_message::<WithMillauMessageBridge>(payload)
}
fn verify_messages_delivery_proof(
proof: Self::MessagesDeliveryProof,
) -> Result<(LaneId, InboundLaneData<bp_rialto::AccountId>), Self::Error> {
messages::source::verify_messages_delivery_proof::<WithMillauMessageBridge, Runtime>(proof)
}
}
impl SourceHeaderChain<bp_millau::Balance> for Millau {
type Error = &'static str;
// The proof is:
// - hash of the header this proof has been created with;
// - the storage proof of one or several keys;
// - id of the lane we prove messages for;
// - inclusive range of messages nonces that are proved.
type MessagesProof = FromMillauMessagesProof;
fn verify_messages_proof(
proof: Self::MessagesProof,
messages_count: u32,
) -> Result<ProvedMessages<Message<bp_millau::Balance>>, Self::Error> {
messages::target::verify_messages_proof::<WithMillauMessageBridge, Runtime>(proof, messages_count)
}
}
/// Rialto -> Millau message lane pallet parameters.
#[derive(RuntimeDebug, Clone, Encode, Decode, PartialEq, Eq)]
pub enum RialtoToMillauMessageLaneParameter {
/// The conversion formula we use is: `RialtoTokens = MillauTokens * conversion_rate`.
MillauToRialtoConversionRate(FixedU128),
}
impl MessageLaneParameter for RialtoToMillauMessageLaneParameter {
fn save(&self) {
match *self {
RialtoToMillauMessageLaneParameter::MillauToRialtoConversionRate(ref conversion_rate) => {
MillauToRialtoConversionRate::set(conversion_rate)
}
}
}
}