Add fee grant module (#8061)
* Add docs
* Add BasicFeeAllowance implementation
* Add expiration structs and complete basic fee
* Add delegation messages, add validation logic
* Add keeper and helper structs
* Add alias and handler to top level
* Add delegation module
* Add basic querier
* Add types tests
* Add types tests
* More internal test coverage
* Solid internal test coverage
* Expose Querier to top level module
* Add FeeAccount to auth/types, like StdTx, SignDoc
* Fix all tests in x/auth
* All tests pass
* Appease the Golang Linter
* Add fee-account command line flag
* Start on DelegatedDeductFeeDecorator
* Cleanup the Decorator
* Wire up delegation module in simapp
* add basic test for decorator (no delegation)
* Table tests for deduct fees
* Table tests over all conditions of delegated fee decorator
* Build full ante handler stack and test it
* Start genesis
* Implement Genesis
* Rename package delegation to subkeys
* Clarify antes test cases, handle empty account w/o fees
* Allow paying delegated fees with no account
* Pull mempool into delegated ante, for control on StdFee
* Use custom DelegatedTx, DelegatedFee for subkeys
* Revert all changes to x/auth.StdTx
* Appease scopelint
* Register DelegatedTx with codec
* Address PR comments
* Remove unnecessary DelegatedMempoolFeeDecorator
* Cleaned up errors in querier
* Clean up message sign bytes
* Minor PR comments
* Replace GetAllFees... with Iterator variants
* PrepareForExport adjusts grant expiration height
* Panic on de/serialization error in keeper
* Move custom ante handler chain to tests, update docs
* More cleanup
* More doc cleanup
* Renamed subkeys module to fee_grant
* Rename subkeys/delegation to fee grant in all strings
* Modify Msg and Keeper methods to use Grant not Delegate
* Add PeriodicFeeAllowance
* Update aliases
* Cover all accept cases for PeriodicFeeAllowance
* Et tu scopelint?
* Update docs as requested
* Remove error return from GetFeeGrant
* Code cleanup as requested by PR
* Updated all errors to use new sdk/errors package
* Use test suite for keeper tests
* Clean up alias.go file
* Define expected interfaces in exported, rather than importing from account
* Remove dependency on auth/ante
* Improve godoc, Logger
* Cleaned up ExpiresAt
* Improve error reporting with UseGrantedFee
* Enforce period limit subset of basic limit
* Add events
* Rename fee_grant to feegrant
* Ensure KeeperTestSuite actually runs
* Move types/tx to types
* Update alias file, include ante
* I do need nolint in alias.go
* Properly emit events in the handler. Use cosmos-sdk in amino types
* Update godoc
* Linting...
* Update errors
* Update pkg doc and fix ante-handler order
* Merge PR #5782: Migrate x/feegrant to proto
* fix errors
* proto changes
* proto changes
* fix errors
* fix errors
* genesis state changed to proto
* fix keeper tests
* fix test
* fixed tests
* fix tests
* updated expected keepers
* updated ante tests
* lint
* deleted alias.go
* tx updated to proto tx
* remove explicit signmode
* tests
* Added `cli/query.go`
* Added tx.go in cli
* updated `module.go`
* resolve errors in tx.go
* Add fee payer gentx func
* updated tx
* fixed error
* WIP: cli tests
* fix query error
* fix tests
* Unused types and funcs
* fix tests
* rename helper func to create tx
* remove unused
* update tx cfg
* fix cli tests
* added simulations
* Add `decoder.go`
* fix build fail
* added init genesis code
* update tx.go
* fixed LGTM alert
* modified cli
* remove gogoproto extensions
* change acc address type to string
* lint
* fix simulations
* Add gen simulations
* remove legacy querier
* remove legacy code
* add grpc queries tests
* fix simulations
* update module.go
* lint
* register feegrant NewSimulationManager
* fix sims
* fix sims
* add genesis test
* add periodic grant
* updated cmd
* changed times
* updated flags
* removed days as period clock
* added condition for period and exp
* add periodic fee cli tests
* udpated tests
* fix lint
* fix tests
* fix sims
* renaming to `fee_grant`
* review changes
* fix test
* add condition for duplicate grants
* fix tests
* add `genTxWithFeeGranter` in tests
* fix simulation
* one of changes & test fixes
* fix test
* fix lint
* changed package name `feegrant` to `fee_grant`
* review comments
* review changes
* review change
* review changes
* added fee-account in flags
* address review changes
* read fee granter from cli
* updated create account with mnemonic
* Address review comments
* move `simapp/ante` file to `feegrant/ante`
* update keeper logic to create account
* update docs
* fix tests
* update `serviceMsgClientConn` from `msgservice`
* review changes
* add test case for using more fees than allowed
* eliminate panic checks from keeper
* fix lint
* change store keys string to bytes
* fix tests
* review changes
* review changes
* udpate docs
* make spend limit optional
* fix tests
* fix tests
* review changes
* add norace tag
* proto-docs
* add docs
Co-authored-by: Ethan Frey <ethanfrey@users.noreply.github.com>
Co-authored-by: Alexander Bezobchuk <alexanderbez@users.noreply.github.com>
Co-authored-by: Aleksandr Bezobchuk <aleks.bezobchuk@gmail.com>
Co-authored-by: SaReN <sahithnarahari@gmail.com>
Co-authored-by: aleem1413 <aleem@vitwit.com>
Co-authored-by: MD Aleem <72057206+aleem1314@users.noreply.github.com>
Co-authored-by: Anil Kumar Kammari <anil@vitwit.com>
Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>
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