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Add Assets module (#925)

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* Add Assets module

* Fixes

* Fix

* Update comments

* Support `GenesisConfig` without any fields

Fixes: #923

* Do not generate an empty `GenesisConfig`, instead generate no `GenesisConfig`
This commit is contained in:
Gav Wood
2018-10-20 12:43:00 +02:00
committed by GitHub
parent 7f6862ba5e
commit 583c24f017
13 changed files with 360 additions and 42 deletions
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substrate/srml/example/src/lib.rs
+13 -16
View File
@@ -25,12 +25,15 @@ extern crate sr_std;
// Needed for tests (`with_externalities`).
#[cfg(test)]
extern crate sr_io as runtime_io;
extern crate sr_io;
// Needed for the set of mock primitives used in our tests.
#[cfg(test)]
extern crate substrate_primitives;
// Needed for various traits. In our case, `OnFinalise`.
extern crate sr_primitives;
// Needed for deriving `Serialize` and `Deserialize` for various types.
// We only implement the serde traits for std builds - they're unneeded
// in the wasm runtime.
@@ -45,10 +48,7 @@ extern crate parity_codec as codec;
// Needed for type-safe access to storage DB.
#[macro_use]
extern crate srml_support as runtime_support;
// Needed for various traits. In our case, `OnFinalise`.
extern crate sr_primitives as runtime_primitives;
extern crate srml_support as support;
// `system` module provides us with all sorts of useful stuff and macros
// depend on it being around.
extern crate srml_system as system;
@@ -57,8 +57,8 @@ extern crate srml_system as system;
// might find it useful).
extern crate srml_balances as balances;
use runtime_primitives::traits::OnFinalise;
use runtime_support::{StorageValue, dispatch::Result};
use sr_primitives::traits::OnFinalise;
use support::{StorageValue, dispatch::Result};
use system::ensure_signed;
/// Our module's configuration trait. All our types and consts go in here. If the
@@ -147,8 +147,8 @@ decl_storage! {
// e.g. pub Bar get(bar): map T::AccountId => Vec<(T::Balance, u64)>;
//
// For basic value items, you'll get a type which implements
// `runtime_support::StorageValue`. For map items, you'll get a type which
// implements `runtime_support::StorageMap`.
// `support::StorageValue`. For map items, you'll get a type which
// implements `support::StorageMap`.
//
// If they have a getter (`get(getter_name)`), then your module will come
// equipped with `fn getter_name() -> Type` for basic value items or
@@ -241,6 +241,7 @@ impl<T: Trait> Module<T> {
Ok(())
}
#[allow(dead_code)]
fn accumulate_foo(origin: T::Origin, increase_by: T::Balance) -> Result {
let _sender = ensure_signed(origin)?;
@@ -278,15 +279,11 @@ impl<T: Trait> OnFinalise<T::BlockNumber> for Module<T> {
mod tests {
use super::*;
use runtime_io::with_externalities;
use sr_io::with_externalities;
use substrate_primitives::{H256, Blake2Hasher};
use runtime_primitives::BuildStorage;
use runtime_primitives::traits::{BlakeTwo256};
use runtime_primitives::testing::DigestItem;
// The testing primitives are very useful for avoiding having to work with signatures
// or public keys. `u64` is used as the `AccountId` and no `Signature`s are requried.
use runtime_primitives::testing::{Digest, Header};
use sr_primitives::{BuildStorage, traits::{BlakeTwo256}, testing::{Digest, DigestItem, Header}};
impl_outer_origin! {
pub enum Origin for Test {}
@@ -323,7 +320,7 @@ mod tests {
// This function basically just builds a genesis storage key/value store according to
// our desired mockup.
fn new_test_ext() -> runtime_io::TestExternalities<Blake2Hasher> {
fn new_test_ext() -> sr_io::TestExternalities<Blake2Hasher> {
let mut t = system::GenesisConfig::<Test>::default().build_storage().unwrap();
// We use default for brevity, but you can configure as desired if needed.
t.extend(balances::GenesisConfig::<Test>::default().build_storage().unwrap());