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Keith Yeung
58e837fcd3
* Emit error when construct_runtime imports a non-existent Call part * Reword and display pallet name when emitting part not found error * Migrate decl_outer_dispatch to a proc macro * Rename calls.rs to call.rs * Create new construct_runtime_v2 macro * Add UI test for importing non-existent call part in construct_runtime * Emit error when construct_runtime imports a non-existent Config part * Emit error when construct_runtime imports a non-existent Event part * Migrate decl_outer_inherent to a proc macro * Emit error when construct_runtime imports a non-existent Inherent part * Migrate decl_outer_validate_unsigned to a proc macro * Emit error when construct_runtime imports a non-existent ValidateUnsigned part * impl for old macro * fix line width * add doc * hide macroes and use unique counter everywhere * Remove construct_runtime_v2 * Encapsulate pallet part check macros in a module * Fix macro definitions in dummy part checker * Tag ProvideInherent impl with #[pallet::inherent] properly for authorship pallet * Remove Call part from pallets that do not define it * Add Call part unit tests * Remove undefined Call part import from offences pallet * Add tests for expand_outer_inherent * Remove Call part from pallets that do not define them * Remove Call part imports from pallets that do not have it defined * Remove Call part import of the offences pallet from grandpa pallet mocks * Update frame/support/test/tests/pallet.rs Co-authored-by: Guillaume Thiolliere <gui.thiolliere@gmail.com> * Remove Call part imports for pallets that do not define them * Move inherent tests to inherent_expand * Add unit tests for expand_outer_validate_unsigned * Add newline at the end of file * fix ui test * Small prayer to RNGsus for fixing CI * Remove Call part from construct_runtime for randomness collective flip pallet * Remove Call part import for randomness collective flip pallet * Summon Laplace's demon instead of praying to RNGsus * Update test expectations * fix ui test and make sure it's flaky * Revert "fix ui test and make sure it's flaky" This reverts commit 362b6881389c911ef8d9ef85d71c9463f5694b20. * Comment out test instead of putting it in conditional compilation * Update UI test expectations * Update UI test expectations * Emit error when construct_runtime imports a non-existent Origin part Co-authored-by: thiolliere <gui.thiolliere@gmail.com> Co-authored-by: Denis P <denis.pisarev@parity.io>
Randomness Module
The Randomness Collective Flip module provides a random
function that generates low-influence random values based on the block hashes from the previous
81 blocks. Low-influence randomness can be useful when defending against relatively weak
adversaries. Using this pallet as a randomness source is advisable primarily in low-security
situations like testing.
Public Functions
See the Module struct for details of publicly available functions.
Usage
Prerequisites
Import the Randomness Collective Flip module and derive your module's configuration trait from the system trait.
Example - Get random seed for the current block
use frame_support::{decl_module, dispatch, traits::Randomness};
pub trait Config: frame_system::Config {}
decl_module! {
pub struct Module<T: Config> for enum Call where origin: T::Origin {
#[weight = 0]
pub fn random_module_example(origin) -> dispatch::DispatchResult {
let _random_value = <pallet_randomness_collective_flip::Module<T>>::random(&b"my context"[..]);
Ok(())
}
}
}
License: Apache-2.0