Process finality proofs in solidity PoA -> Substrate contract (#69)

* solidity contract

* continue

* upd

* cargo update

* fixes

* ehtereum_headers -> headers

* extracted some common stuff

* ethereum_sync.rs -> sync.rs

* make sync generic

* continue extracting

* continue

* add eth-contract argument

* continue

* some fixes

* contract v2

* continue

* more fixes

* more fixes

* deal with duplicated params

* removed multiple call_rpc variants

* bail_on_error!()

* fn submit_ethereum_transaction

* more fixes

* cargo fmt --all

* fix

* bail_on_arg_error!()

* fix

* fix

* remove async_extra stuff

* start work on finality builtin

remove async_extra stuff

continue

continue

local testnet (Alice + Bob) for node

* added TODO

* substrate-bridge.json -> substrate-bridge-abi.json

* get rid of substrate transactions hashes

* get rid of ethereum transactions hashes

* extracted contract bytecode to separate file

* cargo fmt --all

* avoid duplicate import in contracts

* removed Default::default()

* swapped configurations for sub2eth && eth2sub

* fix compilation

* do not double gas limit when submitting Substrate headers

* fix finality storage

* at least 1 validator required

* shift_session_manager_works

* cargo fmt --all

* solidity contract removed

* consts

* extracted solc compilation details to separate file

* removed (obsolete in future Vec<u8> justification)

* fixed cli option description

* fix typos

* fix grumble

* extracted constants

* log decoded header

* new substrate version + actually verify justification

* intermediate cargo fmt --all

* comments

* disable completion data resubmission

* increased timeouts + _MS -> Duration

* forget completion data after submission

* builtin tests

* headers tests

* cargo fmt --all

* update contract

* Update relays/ethereum/src/ethereum_sync_loop.rs

Co-authored-by: Tomasz Drwięga <tomusdrw@users.noreply.github.com>

* Update relays/ethereum/src/ethereum_sync_loop.rs

Co-authored-by: Tomasz Drwięga <tomusdrw@users.noreply.github.com>

* added docs

* OwnedFutureOutput

* more docs fixes

* cargo fmt --all

* encode headers

* consts + docs

* aliases again

* cargo fmt --all

* Update relays/ethereum/src/ethereum_sync_loop.rs

Co-authored-by: Tomasz Drwięga <tomusdrw@users.noreply.github.com>

* Update relays/ethereum/src/ethereum_sync_loop.rs

Co-authored-by: Tomasz Drwięga <tomusdrw@users.noreply.github.com>

* Use Duration::from_secs() instead of from_millis()

* grumbles

* Update relays/ethereum/src/headers.rs

Co-authored-by: Hernando Castano <HCastano@users.noreply.github.com>

* Update relays/ethereum/src/headers.rs

Co-authored-by: Hernando Castano <HCastano@users.noreply.github.com>

* incomplete_headers_are_still_incomplete_after_advance

* add hex-encoded headers to substrate_header_without_signal_parsed

* cargo fmt --all

* Update relays/ethereum/src/sync_loop.rs

Co-authored-by: Hernando Castano <HCastano@users.noreply.github.com>

* Update relays/ethereum/src/headers.rs

Co-authored-by: Hernando Castano <HCastano@users.noreply.github.com>

* Update relays/ethereum/src/headers.rs

Co-authored-by: Hernando Castano <HCastano@users.noreply.github.com>

* Update relays/ethereum/src/headers.rs

Co-authored-by: Hernando Castano <HCastano@users.noreply.github.com>

* Update relays/ethereum/src/headers.rs

Co-authored-by: Hernando Castano <HCastano@users.noreply.github.com>

* Update relays/ethereum/src/headers.rs

Co-authored-by: Hernando Castano <HCastano@users.noreply.github.com>

* Update relays/ethereum/src/headers.rs

Co-authored-by: Hernando Castano <HCastano@users.noreply.github.com>

* Update relays/ethereum/src/headers.rs

Co-authored-by: Hernando Castano <HCastano@users.noreply.github.com>

* added comments on Extra and Completion

Co-authored-by: Tomasz Drwięga <tomusdrw@users.noreply.github.com>
Co-authored-by: Hernando Castano <HCastano@users.noreply.github.com>

bridges/modules/ethereum-contract/builtin/Cargo.toml

@@ -10,11 +10,36 @@ edition = "2018"
 # General dependencies
 
 codec = { package = "parity-scale-codec", version = "1.0.0" }
-finality-grandpa = { version = "0.12.2", features = ["derive-codec"] }
-sp-blockchain = "2.0.0-alpha.5"
-sp-finality-grandpa = "2.0.0-alpha.5"
-sp-runtime = "2.0.0-alpha.5"
+ethereum-types = "0.9.1"
 
 # Runtime/chain specific dependencies
 
 bridge-node-runtime = { path = "../../../bin/node/runtime" }
+
+[dependencies.sp-blockchain]
+version = "2.0.0-alpha.6"
+rev = "c13ad41634d0bd7cf07897c2aa062b917d520520"
+git = "https://github.com/paritytech/substrate/"
+
+[dependencies.sp-finality-grandpa]
+version = "2.0.0-alpha.6"
+rev = "c13ad41634d0bd7cf07897c2aa062b917d520520"
+git = "https://github.com/paritytech/substrate/"
+
+[dependencies.sp-runtime]
+version = "2.0.0-alpha.6"
+rev = "c13ad41634d0bd7cf07897c2aa062b917d520520"
+git = "https://github.com/paritytech/substrate/"
+
+[dependencies.sc-finality-grandpa]
+version = "0.8.0-dev"
+rev = "c13ad41634d0bd7cf07897c2aa062b917d520520"
+git = "https://github.com/paritytech/substrate/"
+
+[dev-dependencies]
+hex = "0.4"
+
+[dev-dependencies.sp-core]
+version = "2.0.0-alpha.6"
+rev = "c13ad41634d0bd7cf07897c2aa062b917d520520"
+git = "https://github.com/paritytech/substrate/"