* Reuse cosmos-sdk client library to create keyring
Extracted from https://github.com/evmos/ethermint/pull/1168
Cleanup cmd code for easier to migration to cosmos-sdk 0.46
* Update cosmos-sdk v0.46
prepare for implementing cosmos-sdk feemarket and tx prioritization
changelog
refactor cmd
use sdkmath
fix lint
fix unit tests
fix unit test genesis
fix unit tests
fix unit test env setup
fix unit tests
fix unit tests
register PrivKey impl
fix extension options
fix lint
fix unit tests
make HandlerOption.Validate private
gofumpt
fix msg response decoding
fix sim test
bump cosmos-sdk version
fix sim test
sdk 46
fix unit test
fix unit tests
update ibc-go
* Add min_gas_price to feemarket params
* Add MinGasPriceDecorators
* feemarket integration tests for MinGasPrice
* Restructure integration tests
* Simplify integration tests context
We use DeliverTx context to set up the app, otherwise not all settings are initialized.
We test CheckTx with `s.app.BaseApp.CheckTx(req)`, which uses the `CheckTx` mode and context.
* Update MinGasPrice spec in feemarket module
* reorder ethermint module order for initializing genesis
* feemarket migrations for adding MinGasPrice param
* update changelog
* Additional unit tests for MinGasPrice = 0, tx gas price > 0 (PR review)
https://github.com/tharsis/ethermint/pull/1104#discussion_r884991661
* Use 0 MinGasPrice for transaction simulations
* Fix duplicate registration of feemarket GenesisState and Params (PR review)
https://github.com/tharsis/ethermint/pull/1104#issuecomment-1141893712
