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- Added the possibility to use native NEAR instead of wNEAR on Aurora by [@karim-en]. ([#750]) - Added hashchain integration by [@birchmd]. ([#831]) - Added functions for setting and getting metadata of ERC-20 contracts deployed with `deploy_erc20_token` transaction by [@aleksuss]. ([#837]) --------- Co-authored-by: Michael Birch <michael.birch@aurora.dev> Co-authored-by: Evgeny Ukhanov <evgeny@aurora.dev> Co-authored-by: Karim <karim@aurora.dev>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1 +1 @@ | ||
| 3.0.0 | ||
| 3.1.0 |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,6 +1,9 @@ | ||
| #![cfg_attr(not(feature = "std"), no_std)] | ||
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| pub mod bloom; | ||
| pub mod error; | ||
| pub mod hashchain; | ||
| pub mod merkle; | ||
| #[cfg(test)] | ||
| mod tests; | ||
| pub mod wrapped_io; |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,116 @@ | ||
| //! This module contains `CachedIO`, a light wrapper over any IO instance | ||
| //! which will cache the input read and output written by the underlying instance. | ||
| //! It has no impact on the storage access functions of the trait. | ||
| //! The purpose of this struct is to capture the input and output from the underlying | ||
| //! IO instance for the purpose of passing it to `Hashchain::add_block_tx`. | ||
| use aurora_engine_sdk::io::{StorageIntermediate, IO}; | ||
| use aurora_engine_types::Vec; | ||
| use core::cell::RefCell; | ||
|
|
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| #[derive(Debug, Clone, Copy)] | ||
| pub struct CachedIO<'cache, I> { | ||
| inner: I, | ||
| cache: &'cache RefCell<IOCache>, | ||
| } | ||
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|
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| #[derive(Debug, Clone, PartialEq, Eq)] | ||
| pub enum WrappedInput<T> { | ||
| Input(Vec<u8>), | ||
| Wrapped(T), | ||
| } | ||
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|
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| #[derive(Debug, Clone, Default, PartialEq, Eq)] | ||
| pub struct IOCache { | ||
| pub input: Vec<u8>, | ||
| pub output: Vec<u8>, | ||
| } | ||
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|
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| impl<'cache, I> CachedIO<'cache, I> { | ||
| pub fn new(io: I, cache: &'cache RefCell<IOCache>) -> Self { | ||
| Self { inner: io, cache } | ||
| } | ||
| } | ||
|
|
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| impl IOCache { | ||
| pub fn set_input(&mut self, value: Vec<u8>) { | ||
| self.input = value; | ||
| } | ||
|
|
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| pub fn set_output(&mut self, value: Vec<u8>) { | ||
| self.output = value; | ||
| } | ||
| } | ||
|
|
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| impl<T: StorageIntermediate> StorageIntermediate for WrappedInput<T> { | ||
| fn len(&self) -> usize { | ||
| match self { | ||
| Self::Input(bytes) => bytes.len(), | ||
| Self::Wrapped(x) => x.len(), | ||
| } | ||
| } | ||
|
|
||
| fn is_empty(&self) -> bool { | ||
| match self { | ||
| Self::Input(bytes) => bytes.is_empty(), | ||
| Self::Wrapped(x) => x.is_empty(), | ||
| } | ||
| } | ||
|
|
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| fn copy_to_slice(&self, buffer: &mut [u8]) { | ||
| match self { | ||
| Self::Input(bytes) => buffer.copy_from_slice(bytes), | ||
| Self::Wrapped(x) => x.copy_to_slice(buffer), | ||
| } | ||
| } | ||
| } | ||
|
|
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| impl<'cache, I: IO> IO for CachedIO<'cache, I> { | ||
| type StorageValue = WrappedInput<I::StorageValue>; | ||
|
|
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| fn read_input(&self) -> Self::StorageValue { | ||
| let input = self.inner.read_input().to_vec(); | ||
| self.cache.borrow_mut().set_input(input.clone()); | ||
| WrappedInput::Input(input) | ||
| } | ||
|
|
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| fn return_output(&mut self, value: &[u8]) { | ||
| self.cache.borrow_mut().set_output(value.to_vec()); | ||
| self.inner.return_output(value); | ||
| } | ||
|
|
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| fn read_storage(&self, key: &[u8]) -> Option<Self::StorageValue> { | ||
| self.inner.read_storage(key).map(WrappedInput::Wrapped) | ||
| } | ||
|
|
||
| fn storage_has_key(&self, key: &[u8]) -> bool { | ||
| self.inner.storage_has_key(key) | ||
| } | ||
|
|
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| fn write_storage(&mut self, key: &[u8], value: &[u8]) -> Option<Self::StorageValue> { | ||
| self.inner | ||
| .write_storage(key, value) | ||
| .map(WrappedInput::Wrapped) | ||
| } | ||
|
|
||
| fn write_storage_direct( | ||
| &mut self, | ||
| key: &[u8], | ||
| value: Self::StorageValue, | ||
| ) -> Option<Self::StorageValue> { | ||
| match value { | ||
| WrappedInput::Wrapped(x) => self | ||
| .inner | ||
| .write_storage_direct(key, x) | ||
| .map(WrappedInput::Wrapped), | ||
| WrappedInput::Input(bytes) => self | ||
| .inner | ||
| .write_storage(key, &bytes) | ||
| .map(WrappedInput::Wrapped), | ||
| } | ||
| } | ||
|
|
||
| fn remove_storage(&mut self, key: &[u8]) -> Option<Self::StorageValue> { | ||
| self.inner.remove_storage(key).map(WrappedInput::Wrapped) | ||
| } | ||
| } |
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