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Introduce WeakBoundedVec, StorageTryAppend, and improve BoundedVec API (#8842)

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* fix bounded vec doc and unsafe

* fix btree map and set and tests

* introduce weak_bounded_vec and StorageTryAppend

* fix tests and reorganize tests

* improve doc

* add doc

* Update frame/support/src/storage/weak_bounded_vec.rs

Co-authored-by: Peter Goodspeed-Niklaus <coriolinus@users.noreply.github.com>

* fix inner doc

Co-authored-by: Peter Goodspeed-Niklaus <coriolinus@users.noreply.github.com>
This commit is contained in:
Guillaume Thiolliere
2021-05-21 11:07:00 +02:00
committed by GitHub
parent a183031eef
commit 25625a0f0c
10 changed files with 778 additions and 377 deletions
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substrate/frame/support/src/lib.rs
+5
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@@ -321,6 +321,7 @@ macro_rules! parameter_types {
(IMPL_CONST $name:ident, $type:ty, $value:expr) => {
impl $name {
/// Returns the value of this parameter type.
#[allow(unused)]
pub const fn get() -> $type {
$value
}
@@ -335,6 +336,7 @@ macro_rules! parameter_types {
(IMPL $name:ident, $type:ty, $value:expr) => {
impl $name {
/// Returns the value of this parameter type.
#[allow(unused)]
pub fn get() -> $type {
$value
}
@@ -349,6 +351,7 @@ macro_rules! parameter_types {
(IMPL_STORAGE $name:ident, $type:ty, $value:expr) => {
impl $name {
/// Returns the key for this parameter type.
#[allow(unused)]
pub fn key() -> [u8; 16] {
$crate::sp_io::hashing::twox_128(
concat!(":", stringify!($name), ":").as_bytes()
@@ -359,6 +362,7 @@ macro_rules! parameter_types {
///
/// This needs to be executed in an externalities provided
/// environment.
#[allow(unused)]
pub fn set(value: &$type) {
$crate::storage::unhashed::put(&Self::key(), value);
}
@@ -367,6 +371,7 @@ macro_rules! parameter_types {
///
/// This needs to be executed in an externalities provided
/// environment.
#[allow(unused)]
pub fn get() -> $type {
$crate::storage::unhashed::get(&Self::key()).unwrap_or_else(|| $value)
}