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## Description
Closes: #8961
SDK allows InitGenesis to return with an empty validator set. In practice, the error for an empty validator set gets thrown in tendermint. To fix this,
* Add non-empty validator set check to the `mm.InitGenesis` function. This will break `simapp.Setup` because it relies on an empty validator set [#comment](https://github.com/cosmos/cosmos-sdk/pull/8909#issuecomment-804850834).
* Update `simapp.Setup` to use a single validator.
* Fix failing tests (Most of them are keeper tests).
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## Description
Closes: #10046
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## Description
Closes **Step1** from #9690
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- Add auth keeper methods and gRPC queries:
- the `NewAccountKeeper` should take a `string bech32Prefix` argument
- ` auth AccountKeeper` implements `Codec` interface that contains 2 methods: `ConvertAddressStringToBytes` and `ConvertAddressBytesToString`
- Add the 3 following gRPC queries:
- Get bech32 prefix
- `AddressStringToBytes` (converts `AccountAddr` string to `AccountAddr` bytes)
- `AddressBytesToString` ( converts `AccountAddr` bytes to `AccountAddr` str)
- Add the corresponding keeper methods
- Add tests
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## Description
This PR adds a CLI for querying all module accounts, `module-accounts`, in the auth module.
Using this command would display all the account information, including human readable name of the module, module account address, account number, permissions, etc.
This command would be especially useful for developers using cosmos-sdk as there are lots of instances where a developer would have to look into the module account, but only to do so by getting the module account address after getting the module name, hashing it and bech32fying it in the status quo. By using this command, users would be able to get a quick look on the list of all module accounts' information.
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* WIP: using encoding config
* Make it compile, test fails
* test should be okay
* Make tests pass
* Add comments
* Convert more tests
* Make TestAnteHandlerSigErrors work
* Make first 2 tests pass
* TestAnteHandlerAccountNumbers
* Use table tests
* Remove print
* Use test table
* TestAnteHandlerSigErrors
* TestAnteHandlerAccountNumbers
* TestAnteHandlerAccountNumbers
* Refactor TestAccount
* Refactor getSignBytes
* TestAnteHandlerAccountNumbersAtBlockHeightZero
* TestAnteHandlerSequences
* TestAnteHandlerFees
* TestAnteHandlerMultiSigner
* TestAnteHandlerBadSignBytes
* TestAnteHandlerSetPubKey
* TestAnteHandlerSigLimitExceeded
* TestCustomSignatureVerificationGasConsumer
* TestAnteHandlerReCheck
* Make all tests pass
* Refactor a little bit more
* Fee test
* SetupTest
* All tests pass
* Refactor to RunTestCase
* Don't use StdFee
* Revert some little stuff
* Finish up last couple of test cases
* Less verbose
* s/TxGenerator/TxConfig
* Add comments
* Indent
* Move KeyTestPubAddr to testdata
* Move testdata to /testutil
* Revert to use signature: nil step in signing
* Add comments
Co-authored-by: Alexander Bezobchuk <alexanderbez@users.noreply.github.com>
MD Aleem
NagaTulasi
Andrei Ivasko
Changhyun, Park
Riccardo Montagnin
Anil Kumar Kammari
Amaury Martiny
Akhil Kumar P