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This commit is contained in:
Bastian Köcher
2019-04-03 22:10:13 +02:00
parent fe14e0730f
commit b7871f0fd3
10 changed files with 1355 additions and 3703 deletions
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cumulus/runtime/src/validate_block/mod.rs
+4 -35
View File
@@ -16,16 +16,11 @@
//! A module that enables a runtime to work as parachain.
#[cfg(not(feature = "std"))]
use runtime_primitives::traits::{Block as BlockT, Header as HeaderT, One};
#[cfg(not(feature = "std"))]
use executive::ExecuteBlock;
#[cfg(not(feature = "std"))]
#[doc(hidden)]
pub mod storage_functions;
#[cfg(test)]
mod tests;
#[cfg(not(feature = "std"))]
#[doc(hidden)]
pub mod implementation;
/// Register the `validate_block` function that is used by parachains to validate blocks on a validator.
///
@@ -65,7 +60,7 @@ macro_rules! register_validate_block_impl {
let block = $crate::slice::from_raw_parts(block, block_len as usize);
let prev_head = $crate::slice::from_raw_parts(prev_head, prev_head_len as usize);
$crate::validate_block::validate_block::<$block, $block_executor>(block, prev_head);
$crate::validate_block::implementation::validate_block::<$block, $block_executor>(block, prev_head);
}
}
};
@@ -77,30 +72,4 @@ macro_rules! register_validate_block_impl {
#[macro_export]
macro_rules! register_validate_block_impl {
($block:ty, $block_executor:ty) => {};
}
/// Validate a given parachain block on a validator.
#[cfg(not(feature = "std"))]
#[doc(hidden)]
pub fn validate_block<Block: BlockT, E: ExecuteBlock<Block>>(mut block: &[u8], mut prev_head: &[u8]) {
use codec::Decode;
let block = crate::ParachainBlock::<Block>::decode(&mut block).expect("Could not decode parachain block.");
let parent_header = <<Block as BlockT>::Header as Decode>::decode(&mut prev_head).expect("Could not decode parent header.");
let _guard = unsafe {
use storage_functions as storage;
storage::STORAGE = Some(block.witness_data);
(
// Replace storage calls with our own implementations
rio::ext_get_allocated_storage.replace_implementation(storage::ext_get_allocated_storage),
rio::ext_get_storage_into.replace_implementation(storage::ext_get_storage_into),
rio::ext_set_storage.replace_implementation(storage::ext_set_storage),
rio::ext_exists_storage.replace_implementation(storage::ext_exists_storage),
rio::ext_clear_storage.replace_implementation(storage::ext_clear_storage),
)
};
let block_number = *parent_header.number() + One::one();
E::execute_extrinsics_without_checks(block_number, block.extrinsics);
}