Refactor key management (#3296)

* Add Call type to extensible transactions.

Cleanup some naming

* Merge Resource and BlockExhausted into just Exhausted

* Fix

* Another fix

* Call

* Some fixes

* Fix srml tests.

* Fix all tests.

* Refactor crypto so each application of it has its own type.

* Introduce new AuthorityProvider API into Aura

This will eventually allow for dynamic determination of authority
keys and avoid having to set them directly on CLI.

* Introduce authority determinator for Babe.

Experiment with modular consensus API.

* Work in progress to introduce KeyTypeId and avoid polluting API
with validator IDs

* Finish up drafting imonline

* Rework offchain workers API.

* Rework API implementation.

* Make it compile for wasm, simplify app_crypto.

* Fix compilation of im-online.

* Fix compilation of im-online.

* Fix more compilation errors.

* Make it compile.

* Fixing tests.

* Rewrite `keystore`

* Fix session tests

* Bring back `TryFrom`'s'

* Fix `srml-grandpa`

* Fix `srml-aura`

* Fix consensus babe

* More fixes

* Make service generate keys from dev_seed

* Build fixes

* Remove offchain tests

* More fixes and cleanups

* Fixes finality grandpa

* Fix `consensus-aura`

* Fix cli

* Fix `node-cli`

* Fix chain_spec builder

* Fix doc tests

* Add authority getter for grandpa.

* Test fix

* Fixes

* Make keystore accessible from the runtime

* Move app crypto to its own crate

* Update `Cargo.lock`

* Make the crypto stuff usable from the runtime

* Adds some runtime crypto tests

* Use last finalized block for grandpa authority

* Fix warning

* Adds `SessionKeys` runtime api

* Remove `FinalityPair` and `ConsensusPair`

* Minor governance tweaks to get it inline with docs.

* Make the governance be up to date with the docs.

* Build fixes.

* Generate the inital session keys

* Failing keystore is a hard error

* Make babe work again

* Fix grandpa

* Fix tests

* Disable `keystore` in consensus critical stuff

* Build fix.

* ImOnline supports multiple authorities at once.

* Update core/application-crypto/src/ed25519.rs

* Merge branch 'master' into gav-in-progress

* Remove unneeded code for now.

* Some `session` testing

* Support querying the public keys

* Cleanup offchain

* Remove warnings

* More cleanup

* Apply suggestions from code review

Co-Authored-By: Benjamin Kampmann <ben.kampmann@googlemail.com>

* More cleanups

* JSONRPC API for setting keys.

Also, rename traits::KeyStore* -> traits::BareCryptoStore*

* Bad merge

* Fix integration tests

* Fix test build

* Test fix

* Fixes

* Warnings

* Another warning

* Bump version.

substrate/node/cli/Cargo.toml

@@ -30,7 +30,6 @@ grandpa = { package = "substrate-finality-grandpa", path = "../../core/finality-
 grandpa_primitives = { package = "substrate-finality-grandpa-primitives", path = "../../core/finality-grandpa/primitives" }
 sr-primitives = { path = "../../core/sr-primitives" }
 node-executor = { path = "../executor" }
-substrate-keystore = { path = "../../core/keystore" }
 substrate-telemetry = { package = "substrate-telemetry", path = "../../core/telemetry" }
 structopt = "0.2"
 transaction-factory = { path = "../../test-utils/transaction-factory" }
@@ -42,12 +41,16 @@ finality_tracker = { package = "srml-finality-tracker", path = "../../srml/final
 contracts = { package = "srml-contracts", path = "../../srml/contracts" }
 system = { package = "srml-system", path = "../../srml/system" }
 balances = { package = "srml-balances", path = "../../srml/balances" }
+support = { package = "srml-support", path = "../../srml/support", default-features = false }
+im_online = { package = "srml-im-online", path = "../../srml/im-online", default-features = false }
 
 [dev-dependencies]
+keystore = { package = "substrate-keystore", path = "../../core/keystore" }
 babe = { package = "substrate-consensus-babe", path = "../../core/consensus/babe", features = ["test-helpers"] }
 consensus-common = { package = "substrate-consensus-common", path = "../../core/consensus/common" }
 service-test = { package = "substrate-service-test", path = "../../core/service/test" }
 futures03 = { package = "futures-preview", version = "0.3.0-alpha.17" }
+tempfile = "3.1"
 
 [build-dependencies]
 cli = { package = "substrate-cli", path = "../../core/cli" }