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XCM: Tools for uniquely referencing messages (#7234)

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* Tools for unique topic references

* Formatting

* Naming

* Repot into routing.rs.

* More things done

* Universal Exporter supports topic-as-reference

* Some tests for the topic routing

* More tests

* Paid bridge tests

* Add message ID to sending events

* Formatting

* fix and integrate into test nets

* Move DenyThenTry and friend from Cumulus

* Append SetTopic rather than prepend

* Docs

* Docs

* Work with new ProcessMessage ID API

* Formatting

* Fix build

* Fixes

* Formatting

* Update xcm/xcm-builder/src/barriers.rs

Co-authored-by: Francisco Aguirre <franciscoaguirreperez@gmail.com>

* Update xcm/xcm-builder/src/routing.rs

Co-authored-by: Francisco Aguirre <franciscoaguirreperez@gmail.com>

* Docs

* Rename message_hash

* Formatting

* ".git/.scripts/commands/fmt/fmt.sh"

* Rename

* Another Rename

* ".git/.scripts/commands/fmt/fmt.sh"

* ".git/.scripts/commands/fmt/fmt.sh"

* Update xcm/xcm-builder/src/routing.rs

Co-authored-by: Keith Yeung <kungfukeith11@gmail.com>

---------

Co-authored-by: Francisco Aguirre <franciscoaguirreperez@gmail.com>
Co-authored-by: command-bot <>
Co-authored-by: Keith Yeung <kungfukeith11@gmail.com>
This commit is contained in:
Gavin Wood
2023-05-25 07:57:32 +01:00
committed by GitHub
parent 28de4f1337
commit 85dfadff2c
29 changed files with 1305 additions and 552 deletions
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polkadot/xcm/xcm-executor/src/traits/should_execute.rs
+23 -12
View File
@@ -16,7 +16,19 @@
use frame_support::traits::ProcessMessageError;
use sp_std::result::Result;
use xcm::latest::{Instruction, MultiLocation, Weight};
use xcm::latest::{Instruction, MultiLocation, Weight, XcmHash};
/// Properyies of an XCM message and its imminent execution.
#[derive(Clone, Eq, PartialEq, Debug)]
pub struct Properties {
/// The amount of weight that the system has determined this
/// message may utilize in its execution. Typically non-zero only because of prior fee
/// payment, but could in principle be due to other factors.
pub weight_credit: Weight,
/// The identity of the message, if one is known. If left as `None`, then it will generally
/// default to the hash of the message which may be non-unique.
pub message_id: Option<XcmHash>,
}
/// Trait to determine whether the execution engine should actually execute a given XCM.
///
@@ -28,14 +40,13 @@ pub trait ShouldExecute {
/// - `origin`: The origin (sender) of the message.
/// - `instructions`: The message itself.
/// - `max_weight`: The (possibly over-) estimation of the weight of execution of the message.
/// - `weight_credit`: The pre-established amount of weight that the system has determined this
/// message may utilize in its execution. Typically non-zero only because of prior fee
/// payment, but could in principle be due to other factors.
/// - `properties`: Various pre-established properties of the message which may be mutated by
/// this API.
fn should_execute<RuntimeCall>(
origin: &MultiLocation,
instructions: &mut [Instruction<RuntimeCall>],
max_weight: Weight,
weight_credit: &mut Weight,
properties: &mut Properties,
) -> Result<(), ProcessMessageError>;
}
@@ -45,21 +56,21 @@ impl ShouldExecute for Tuple {
origin: &MultiLocation,
instructions: &mut [Instruction<RuntimeCall>],
max_weight: Weight,
weight_credit: &mut Weight,
properties: &mut Properties,
) -> Result<(), ProcessMessageError> {
for_tuples!( #(
match Tuple::should_execute(origin, instructions, max_weight, weight_credit) {
match Tuple::should_execute(origin, instructions, max_weight, properties) {
Ok(()) => return Ok(()),
_ => (),
}
)* );
log::trace!(
target: "xcm::should_execute",
"did not pass barrier: origin: {:?}, instructions: {:?}, max_weight: {:?}, weight_credit: {:?}",
"did not pass barrier: origin: {:?}, instructions: {:?}, max_weight: {:?}, properties: {:?}",
origin,
instructions,
max_weight,
weight_credit,
properties,
);
Err(ProcessMessageError::Unsupported)
}
@@ -79,7 +90,7 @@ pub trait CheckSuspension {
origin: &MultiLocation,
instructions: &mut [Instruction<Call>],
max_weight: Weight,
weight_credit: &mut Weight,
properties: &mut Properties,
) -> bool;
}
@@ -89,10 +100,10 @@ impl CheckSuspension for Tuple {
origin: &MultiLocation,
instruction: &mut [Instruction<Call>],
max_weight: Weight,
weight_credit: &mut Weight,
properties: &mut Properties,
) -> bool {
for_tuples!( #(
if Tuple::is_suspended(origin, instruction, max_weight, weight_credit) {
if Tuple::is_suspended(origin, instruction, max_weight, properties) {
return true
}
)* );