Submit exchange transactions to PoA node (#229)

* submit Eth exchange transactions

* submit ethereum in docker-compose

* submit Eth exchange transactions

* fix duplicate message

* fix relay script

* lost file

* cargo fmt --all

* cargo +nightly clippy

* Show sccache

* remove test-helpers remains

* what's going on with jsonrpsee + Cargo.lock?

* relay-eth-submit-exchange-tx -> poa-exchange-tx-generator

* Update relays/ethereum/src/main.rs

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

* configuring exchange-gen loop using env variables

* fixed signer account from dev chain to Arthur

* improve debug prints

* parse nonce from relay output

* --eth-nonce=

* fix compilation

* cargo fmt --all

* fix typo

* duplicate relay output to tty

* allow using from bash scripts tests

* fix: U256::parse() expects hex string :/

* cargo fmt --all

* BRIDGE_HASH: ${BRIDGE_HASH:-master}

* script comment

* generate exchange PoA transactions by Bertha

* Bertha address

Co-authored-by: Denis S. Soldatov aka General-Beck <general.beck@gmail.com>
Co-authored-by: Tomasz Drwięga <tomusdrw@users.noreply.github.com>

bridges/relays/ethereum/src/cli.yml

@@ -106,6 +106,28 @@ subcommands:
                 value_name: SUB_INITIAL_HEADER
                 help: Encoded initial Substrate header.
                 takes_value: true
+    - eth-submit-exchange-tx:
+        about: Submit lock funds transaction to Ethereum node.
+        args:
+            - eth-host: *eth-host
+            - eth-port: *eth-port
+            - eth-nonce:
+                long: eth-nonce
+                value_name: ETH_NONCE
+                help: Nonce that have to be used when building transaction. If not specified, read from PoA node.
+                takes_value: true
+            - eth-signer: *eth-signer
+            - eth-chain-id: *eth-chain-id
+            - eth-amount:
+                long: eth-amount
+                value_name: ETH_AMOUNT
+                help: Amount of ETH to lock (in wei).
+                takes_value: true
+            - sub-recipient:
+                long: sub-recipient
+                value_name: SUB_RECIPIENT
+                help: Hex-encoded Public key of funds recipient in Substrate chain.
+                takes_value: true
     - eth-exchange-sub:
         about: Submit proof of PoA lock funds transaction to Substrate node.
         args: