refactor NewTx and NewContract arguments (evmos#1402)

* refactor newMsgEthereumTx

* fix msg_test

* fix ante tests

* fix handler tests

* fix encoding tests

* fix keeper tests

* fix kv indexer test

* fix feemarket keeper test

* fix ibc keeper tests

* fix claims keeper tests

* fix backend test

* fix incentive keeper test

* fix revenue tests

* fix vesting tests

* fix evm msg test

* fix tests

* rename EvmTxArgs

* fix erc20 tests

* rename contractTxParams

* rename NewTxContract

* add CHANGELOG

CHANGELOG.md

@@ -51,6 +51,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
 
 ### Improvements
 
+- (test) [#1402](https://github.com/evmos/evmos/pull/1402) Refactor NewTx function arguments
 - (test) [#1415](https://github.com/evmos/evmos/pull/1415) Refactor InvalidTx type and NextFn used in AnteHandler tests
 - (vesting) [#1400](https://github.com/evmos/evmos/pull/1400) Add convert vesting account message
 - (test) [#1393](https://github.com/evmos/evmos/pull/1393) Move utilities from `tests` folder to `testutil` package
@@ -304,7 +305,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
 - (deps) [\#663](https://github.com/evmos/evmos/pull/663) Bump Ethermint version to [`v0.16.1`](https://github.com/evmos/ethermint/releases/tag/v0.16.1)
 - (claims) [\#605](https://github.com/evmos/evmos/pull/605) Remove duplicated `SetClaimsRecord`.
 - (erc20) [\#602](https://github.com/evmos/evmos/pull/602) Modified `RegisterERC20` proposals.
-Fix erc20 name sanitization to allow spaces on token name.
+  Fix erc20 name sanitization to allow spaces on token name.
 
 ### API Breaking
 
@@ -367,7 +368,7 @@ Fix erc20 name sanitization to allow spaces on token name.
 
 - (app) [\#555](https://github.com/evmos/evmos/pull/555) `v4.0.0` upgrade logic.
 - (p2p) [\#541](https://github.com/evmos/evmos/pull/541) Increase default inbound connections and use 8:1 ratio of inbound:outbound.
-Add default seeds to reduce the need for configuration.
+  Add default seeds to reduce the need for configuration.
 - (deps) [\#528](https://github.com/evmos/evmos/pull/528) Bump Cosmos SDK to [`v0.45.4`](https://github.com/cosmos/cosmos-sdk/releases/tag/v0.45.4)
 
 ## [v3.0.0] - 2022-04-22
@@ -470,7 +471,7 @@ Add default seeds to reduce the need for configuration.
 - [\#184](https://github.com/evmos/evmos/pull/184) Add claims module for claiming the airdrop tokens.
 - [\#183](https://github.com/evmos/evmos/pull/183) Add epoch module for incentives.
 - [\#202](https://github.com/evmos/evmos/pull/202) Add custom configuration for state sync snapshots and tendermint p2p peers.
-This introduces a custom `InitCmd` function.
+  This introduces a custom `InitCmd` function.
 - [\#176](https://github.com/evmos/evmos/pull/176) Add `x/incentives` module.
 
 ### Improvements