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add post_dispatch (#3229)

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* add post_dispatch

* Update traits.rs

* Update checked_extrinsic.rs

* Update traits.rs

* Update traits.rs

* fix build issue

* update runtime version

* fix test build issue
This commit is contained in:
Xiliang Chen
2019-08-08 19:56:04 +12:00
committed by Gavin Wood
parent 3d65753d48
commit 0f0df9850a
6 changed files with 46 additions and 18 deletions
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substrate/core/sr-primitives/src/traits.rs
+27 -10
View File
@@ -808,6 +808,9 @@ pub trait SignedExtension:
/// from the transaction using the `additional_signed` function.
type AdditionalSigned: Encode;
/// The type that encodes information that can be passed from pre_dispatch to post-dispatch.
type Pre: Default;
/// Construct any additional data that should be in the signed payload of the transaction. Can
/// also perform any pre-signature-verification checks and return an error if needed.
fn additional_signed(&self) -> Result<Self::AdditionalSigned, &'static str>;
@@ -830,8 +833,8 @@ pub trait SignedExtension:
call: &Self::Call,
info: DispatchInfo,
len: usize,
) -> Result<(), DispatchError> {
self.validate(who, call, info, len).map(|_| ())
) -> Result<Self::Pre, DispatchError> {
self.validate(who, call, info, len).map(|_| Self::Pre::default())
}
/// Validate an unsigned transaction for the transaction queue. Normally the default
@@ -848,9 +851,16 @@ pub trait SignedExtension:
call: &Self::Call,
info: DispatchInfo,
len: usize,
) -> Result<(), DispatchError> {
Self::validate_unsigned(call, info, len).map(|_| ())
) -> Result<Self::Pre, DispatchError> {
Self::validate_unsigned(call, info, len).map(|_| Self::Pre::default())
}
/// Do any post-flight stuff for a transaction.
fn post_dispatch(
_pre: Self::Pre,
_info: DispatchInfo,
_len: usize,
) { }
}
macro_rules! tuple_impl_indexed {
@@ -866,6 +876,7 @@ macro_rules! tuple_impl_indexed {
type AccountId = AccountId;
type Call = Call;
type AdditionalSigned = ($($direct::AdditionalSigned,)+);
type Pre = ($($direct::Pre,)+);
fn additional_signed(&self) -> Result<Self::AdditionalSigned, &'static str> {
Ok(( $(self.$index.additional_signed()?,)+ ))
}
@@ -885,9 +896,8 @@ macro_rules! tuple_impl_indexed {
call: &Self::Call,
info: DispatchInfo,
len: usize,
) -> Result<(), DispatchError> {
$(self.$index.pre_dispatch(who, call, info, len)?;)+
Ok(())
) -> Result<Self::Pre, DispatchError> {
Ok(($(self.$index.pre_dispatch(who, call, info, len)?,)+))
}
fn validate_unsigned(
call: &Self::Call,
@@ -901,9 +911,15 @@ macro_rules! tuple_impl_indexed {
call: &Self::Call,
info: DispatchInfo,
len: usize,
) -> Result<(), DispatchError> {
$($direct::pre_dispatch_unsigned(call, info, len)?;)+
Ok(())
) -> Result<Self::Pre, DispatchError> {
Ok(($($direct::pre_dispatch_unsigned(call, info, len)?,)+))
}
fn post_dispatch(
pre: Self::Pre,
info: DispatchInfo,
len: usize,
) {
$($direct::post_dispatch(pre.$index, info, len);)+
}
}
@@ -931,6 +947,7 @@ impl SignedExtension for () {
type AccountId = u64;
type AdditionalSigned = ();
type Call = ();
type Pre = ();
fn additional_signed(&self) -> rstd::result::Result<(), &'static str> { Ok(()) }
}