subsoil/runtime/traits/transaction_extension/
as_transaction_extension.rs

1// This file is part of Soil.
2
3// Copyright (C) Soil contributors.
4// Copyright (C) Parity Technologies (UK) Ltd.
5// SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later WITH Classpath-exception-2.0
6
7//! The [AsTransactionExtension] adapter struct for adapting [SignedExtension]s to
8//! [TransactionExtension]s.
9
10#![allow(deprecated)]
11
12use crate::runtime::Debug;
13use scale_info::TypeInfo;
14
15use crate::runtime::{
16	traits::{AsSystemOriginSigner, SignedExtension, ValidateResult},
17	transaction_validity::{InvalidTransaction, TransactionSource},
18};
19
20use super::*;
21
22/// Adapter to use a `SignedExtension` in the place of a `TransactionExtension`.
23#[derive(TypeInfo, Encode, Decode, DecodeWithMemTracking, Clone, PartialEq, Eq, Debug)]
24#[deprecated = "Convert your SignedExtension to a TransactionExtension."]
25pub struct AsTransactionExtension<SE: SignedExtension>(pub SE);
26
27impl<SE: SignedExtension + Default> Default for AsTransactionExtension<SE> {
28	fn default() -> Self {
29		Self(SE::default())
30	}
31}
32
33impl<SE: SignedExtension> From<SE> for AsTransactionExtension<SE> {
34	fn from(value: SE) -> Self {
35		Self(value)
36	}
37}
38
39impl<SE: SignedExtension> TransactionExtension<SE::Call> for AsTransactionExtension<SE>
40where
41	<SE::Call as Dispatchable>::RuntimeOrigin: AsSystemOriginSigner<SE::AccountId> + Clone,
42{
43	const IDENTIFIER: &'static str = SE::IDENTIFIER;
44	type Implicit = SE::AdditionalSigned;
45
46	fn implicit(&self) -> Result<Self::Implicit, TransactionValidityError> {
47		self.0.additional_signed()
48	}
49	fn metadata() -> Vec<TransactionExtensionMetadata> {
50		SE::metadata()
51	}
52	fn weight(&self, _call: &SE::Call) -> Weight {
53		Weight::zero()
54	}
55	type Val = ();
56	type Pre = SE::Pre;
57
58	fn validate(
59		&self,
60		origin: <SE::Call as Dispatchable>::RuntimeOrigin,
61		call: &SE::Call,
62		info: &DispatchInfoOf<SE::Call>,
63		len: usize,
64		_self_implicit: Self::Implicit,
65		_inherited_implication: &impl Encode,
66		_source: TransactionSource,
67	) -> ValidateResult<Self::Val, SE::Call> {
68		let who = origin.as_system_origin_signer().ok_or(InvalidTransaction::BadSigner)?;
69		let r = self.0.validate(who, call, info, len)?;
70		Ok((r, (), origin))
71	}
72
73	fn prepare(
74		self,
75		_: (),
76		origin: &<SE::Call as Dispatchable>::RuntimeOrigin,
77		call: &SE::Call,
78		info: &DispatchInfoOf<SE::Call>,
79		len: usize,
80	) -> Result<Self::Pre, TransactionValidityError> {
81		let who = origin.as_system_origin_signer().ok_or(InvalidTransaction::BadSigner)?;
82		self.0.pre_dispatch(who, call, info, len)
83	}
84
85	fn post_dispatch_details(
86		pre: Self::Pre,
87		info: &DispatchInfoOf<SE::Call>,
88		post_info: &PostDispatchInfoOf<SE::Call>,
89		len: usize,
90		result: &DispatchResult,
91	) -> Result<Weight, TransactionValidityError> {
92		SE::post_dispatch(Some(pre), info, post_info, len, result)?;
93		Ok(Weight::zero())
94	}
95
96	fn bare_validate(
97		call: &SE::Call,
98		info: &DispatchInfoOf<SE::Call>,
99		len: usize,
100	) -> TransactionValidity {
101		SE::validate_unsigned(call, info, len)
102	}
103
104	fn bare_validate_and_prepare(
105		call: &SE::Call,
106		info: &DispatchInfoOf<SE::Call>,
107		len: usize,
108	) -> Result<(), TransactionValidityError> {
109		SE::pre_dispatch_unsigned(call, info, len)
110	}
111
112	fn bare_post_dispatch(
113		info: &DispatchInfoOf<SE::Call>,
114		post_info: &mut PostDispatchInfoOf<SE::Call>,
115		len: usize,
116		result: &DispatchResult,
117	) -> Result<(), TransactionValidityError> {
118		SE::post_dispatch(None, info, post_info, len, result)
119	}
120}
subsoil/runtime/traits/transaction_extension/as_transaction_extension.rs

subsoil/runtime/traits/transaction_extension/
as_transaction_extension.rs
