* fixed some typo

* Update traits.rs

* allow trailling comma in decl_event

* Update srml/support/src/event.rs

Co-Authored-By: xlc <[email protected]>

* Update srml/support/src/event.rs

Co-Authored-By: xlc <[email protected]>

* Update srml/support/src/event.rs

Co-Authored-By: xlc <[email protected]>

* Update srml/support/src/event.rs

Co-Authored-By: xlc <[email protected]>

* Update srml/support/src/event.rs

Co-Authored-By: xlc <[email protected]>

* bump version and update wasm

It failed with a message about Cargo.lock being out of date.

* Store recently pruned tags to avoid re-importing transactions.

* Update core/transaction-pool/graph/src/base_pool.rs

* Update core/transaction-pool/graph/src/base_pool.rs

* Update core/transaction-pool/graph/src/base_pool.rs

* Update base_pool.rs

* Account for pending insertions when pruning

* Prefixed trie storage

* Comments

* Prefixed trie storage

* Fixed tests

* Fixed tests

* Bumped runtime version

* Bumped runtime version again

* factorization

* introduce GenericUnhashedStorage

* implement generator and storage

* impl double map in storage macro

* improve StorageDoubleMapXX methods

* remove storage from example and impl test

* remove old comments

* wasm compatible

* improve imports

* rename storages

* update runtime impl version

* make code less verbose

* impl hash config for second key in double map

hash available are all of Hashable trait

* use double map in decl_storage for contract

* fix double map config issue

* add hasher into metadata

* update impl version and build wasm

* doc

* add attrs

* update metadata version

* update runtime version

* fix unused storage

* Timestamp period should be expressed as expected period

* Fix test

* Ensure value never illegal

* Rename

* Remove println

* Add default

* Comment

* Fix, bump and rebuild wasm

* Fix test

* Add TODOs

* Configure only minimum_period.

* Fix

* Update srml/timestamp/src/lib.rs

Co-Authored-By: gavofyork <[email protected]>

* Update srml/timestamp/src/lib.rs

Co-Authored-By: gavofyork <[email protected]>

* srml system docs

* updated docs

* fixed typo

* addressed initial review comments

* addressed review comments

* addressed review comments

* minor fixes in docs

* Various corrections, punctuation.

* updated docs

* minor edit

* fixed doc test

* Update srml/system/src/lib.rs

* decouple contract from balance

* update impls and builds

* set fees in contract module

* builds

* Improve logging for transaction pool.

* Change Debug in node-template runtime.

* Fix hexdisplay.

* Add some additional logging.

* Rebuild wasm

`rustc` should not be emitting a deprecation warning in deprecated
code, but it does, so silence it.

Merge branch 'demi-refactor-digestitem' of github.com:paritytech/substrate into demi-refactor-digestitem

* Fix subtle indices bug

* Also fix balances divide by zero.

The old trait for `CompatibleDigestItem` actually worked.  By changing
its implementation, one can ensure that all *new* seals have the modern
form, but *legacy* seals are still decoded correctly.

* Introduce `ReservableCurrency`

* Update Docs for `ReservableCurrency`

* Update Tests

* Bump spec and rebuild wasm

* Extra: Add a note to `slash()`

Discussion in Riot clarified the behavior of `slash()` and `can_slash()`. Trying to sneak clarifying comments about it into this PR

* Update lib.rs

* Don't drop the periods!

CC @shawntabrizi

A `RUST_LOG=substrate_aura_consensus cargo test --all -- --nocapture \
tests::authoring_blocks` revealed that old seals were being and
rejected, causing the test to hang.  As a temporary debug measure, allow
old seals unconditionally, so that CI can test if this fixes the
problem.