* Basic account composition.

* Add try_mutate_exists

* De-duplicate

* Refactor away the UpdateBalanceOutcome

* Expunge final UpdateBalanceOutcome refs

* Refactor transfer

* Refactor reservable currency stuff.

* Test with the alternative setup.

* Fixes

* Test with both setups.

* Fixes

* Fix

* Fix macros

* Make indices opt-in

* Remove CreationFee, and make indices opt-in.

* Fix construct_runtime

* Fix last few bits

* Fix tests

* Update trait impls

* Don't hardcode the system event

* Make tests build and fix some stuff.

* Pointlessly bump runtime version

* Fix benchmark

* Another fix

* Whitespace

* Make indices module economically safe

* Migrations for indices.

* Fix

* Whilespace

* Trim defunct migrations

* Remove unused storage item

* More contains_key fixes

* Docs.

* Bump runtime

* Remove unneeded code

* Fix test

* Fix test

* Update frame/balances/src/lib.rs

Co-Authored-By: Shawn Tabrizi <[email protected]>

* Fix ED logic

* Repatriate reserved logic

* Typo

* Fix typo

* Update frame/system/src/lib.rs

Co-Authored-By: Shawn Tabrizi <[email protected]>

* Update frame/system/src/lib.rs

Co-Authored-By: Shawn Tabrizi <[email protected]>

* Last few fixes

* Another fix

* Build fix

Co-authored-by: Bastian Köcher <[email protected]>
Co-authored-by: Jaco Greeff <[email protected]>
Co-authored-by: Shawn Tabrizi <[email protected]>

* Adds a test to ensure that we clear the heap between calls into runtime

The tests shows that we currently not clearing the heap in wasmtime.
For now we don't run the test for wasmtime.

* Fix compilation

* pallet-evm: refactor duplicate code in call/create/create2

* Bump runtime version

* pallet-evm: add support for transaction-level create2

* Bump runtime version

* Switch to FunctionOf for weights

* Migrate wasmtime backend to wasmtime-api

* Port to a newer version of wasmtime

* Update to the latest changes.

* Rejig the sandbox module a bit

* Materialze

* Fixes.

* executor wasm_runtime fix

* Refactor everything

* More refactoring

* Even more refactorings

* More cleaning.

* Update to the latest wasmtime

* Reformat

* Renames

* Refactoring and comments.

* Docs

* Rename FunctionExecutor to host.

* Imrpove docs.

* fmt

* Remove panic

* Assert the number of arguments are equal between wasmtime and hostfunc.

* Comment a possible panic if there is no corresponding value variant.

* Check signature of the entrypoint.

* Use git version of wasmtime

* Refine and doc the sandbox code.

* Comment RefCells.

* Update wasmtime to the latest-ish master.

This may solve a problem with segfaults.

* Apply suggestions from code review

Co-Authored-By: Tomasz Drwięga <[email protected]>

* Use full SHA1 hash of wasmtime commit.

* Add a panic message.

* Add some documentation

* Update wasmtime version to include SIGSEGV fix

* Update to crates.io version of wasmtime

* Make it work.

* Move the creation of memory into `InstanceWrapper::new`

* Make `InstanceWrapper` !Send & !Sync

* Avoid using `take_mut`

* Update client/executor/wasmtime/Cargo.toml

Co-Authored-By: Bastian Köcher <[email protected]>

* Limit maximum size of memory.

* Rename `init_state` to `with_initialized_state`

Co-authored-by: Tomasz Drwięga <[email protected]>
Co-authored-by: Bastian Köcher <[email protected]>

* Give perthigns the trait it always deserved.

* Make staking and phragmen work with the new generic per_thing

* Make everything work together 🔨

* a bit of cleanup

* Clean usage

* Bump.

* Fix name

* fix grumbles

* hopefully fix the ui test

* Some grumbles

* revamp traits again

* Better naming again.

* full block import benchmark

* try rocksdb cache

* add profiling helper

* use random keyring instead of zero caching

* update docs

* add more io stats

* remove last sentence

* add ci job to see

* Update primitives/keyring/src/sr25519.rs

Co-Authored-By: Marcio Diaz <[email protected]>

* switch to 100tx-block

* remove ci script

Co-authored-by: Marcio Diaz <[email protected]>

* Fix chain-spec and make sure it does not breaks again

* REview feedback

* serialize partial_fee into string

* implement deserialize

* bump version

`GossipEngine` spawns two tasks, one for a periodic tick, one to forward
messages from the network to subscribers. These tasks hold an `Arc` to a
`GossipEngineInner`.

To reduce the amount of shared ownership (locking) this patch integrates
the two tasks into a `Future` implementation on the `GossipEngine`
struct. This `Future` implementation can now be called from a single
owner, e.g. the `finality-grandpa` `NetworkBridge`.

As a side effect this removes the requirement on the `network-gossip`
crate to spawn tasks and thereby removes the requirement on the
`finality-grandpa` crate to spawn any tasks.

This is part of a greater effort to reduce the number of owners of
components within `finality-grandpa`, `network` and `network-gossip` as
well as to reduce the amount of unbounded channels. For details see
d4fbb897, f0c18520 and 5afc7777.

* Initial transfer bench

* Add best case

* Transfer keep alive

* Set balance benchmarks

* Bump impl

* Fix text

Co-authored-by: Gavin Wood <[email protected]>

* network: Use "one shot" protocol handler.

Add two new `NetworkBehaviour`s, one handling remote block requests
and another one to handle light client requests (both local and from
remote). The change is motivated by the desire to use multiple
substreams of a single connection for different protocols. To achieve
this, libp2p's `OneShotHandler` is used as a protocol handler in each
behaviour. It will open a fresh substream for the duration of the
request and close it afterwards. For block requests, we currently only
handle incoming requests from remote and tests are missing. For light
client handling we support incoming requests from remote and also
ported a substantial amount of functionality over from
`light_dispatch.rs` (including several tests). However the result lacks
in at least two aspects:

(1) We require external updates w.r.t. the best block per peer and
currently nothing updates this information.
(2) We carry a lot of peer-related state around.

Both aspects could be simplified by externalising peer selection and
just requiring a specific peer ID where the request should be sent to.
We still have to maintain some peer related state due to the way
libp2p's swarm and network behaviour work (e.g. we must make sure to
always issue `NetworkBehaviourAction::SendEvent`s to peers we are
connected to, otherwise the actions die a silent death.

Another change implemented here is the use of protocol buffers as the
encoding for network messages. Certain individual fields of messages
are still SCALE encoded. There has been some discussion about this
in another PR (https://github.com/paritytech/substrate/pull/3452), so
far without resolution.

* Uncomment `Behaviour::light_client_request`.

* Add license headers.

* Add non-zero ed check on Balances genesis

* Update ED from 0 to 1

* bump impl

* bump spec

* Found remove more ed = 0

* Fix some contract tests

* Use ctx.overlay.set_balance for contracts

* Fix staking test

* Remove obsolete logic

* Allow death of payout account in society

* Update frame/balances/src/lib.rs

Co-Authored-By: Bastian Köcher <[email protected]>

* Dont create genesis balances if balance is zero in transaction payment pallet

Co-authored-by: Bastian Köcher <[email protected]>
Co-authored-by: Gavin Wood <[email protected]>

* Add command-line flag to enable yamux flow control.

We never enabled proper flow-control for yamux streams which may cause
stream buffers to exceed their configured limit when the stream
producer outpaces the stream consumer. By switching the window update
mode to on-read, producers will only receive more sending credit when
all data has been consumed from the stream buffer. Using this option
creates backpressure on producers. However depending on the protocol
there is a risk of deadlock, if both endpoints concurrently attempt to
send more data than they have credit for and neither side reads before
finishing their writes. To facilitate proper testing, this PR adds a
command-line flag `use-yamux-flow-control`.

* Replace comment with generic message.

* Add selected_benchmark! macro.

* Use selected_benchmark! in Identity pallet.

* Implement timestamp pallet benchmark.

* Fix some nits.

* Bump impl_version.

* Add a sub command to generate a node key file in the format required by a substrate node

* Update lock file

* Apply suggestions from code review

Co-Authored-By: Bastian Köcher <[email protected]>

* Updates as per code review

Co-authored-by: Bastian Köcher <[email protected]>

* pallet-evm: optional nonce parameter

* Consume all gases when nonce mismatches

* Bump node runtime version

* Remove modes.

* Refactor.

* Pause Kademlia if too many connections

* Fix test

* Update client/network/src/discovery.rs

Co-Authored-By: Toralf Wittner <[email protected]>

* Change the limit

Co-authored-by: Toralf Wittner <[email protected]>

* impl Randomness trait for Babe and remove unused RandomBeacon trait

* bump runtime version

* Add support for json output in subkey

* Updates as per code review

* Apply suggestions from code review

Co-Authored-By: Nikolay Volf <[email protected]>

* Apply suggestions from code review

Co-Authored-By: Bastian Köcher <[email protected]>

* Clean up error handler as per code review

* Apply suggestions from code review

Co-Authored-By: Marcio Diaz <[email protected]>

* Fix compilation error

* Remove accidental file commit

Co-authored-by: Nikolay Volf <[email protected]>
Co-authored-by: Bastian Köcher <[email protected]>
Co-authored-by: Marcio Diaz <[email protected]>

* Run offchain workers at particular hash, not number.

* Don't run if not new best.

* Don't run if not new best.

* Update client/service/src/builder.rs

Co-Authored-By: Nikolay Volf <[email protected]>

* Update client/service/src/builder.rs

Co-Authored-By: Nikolay Volf <[email protected]>

* Update client/service/src/builder.rs

Co-authored-by: Nikolay Volf <[email protected]>