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feat: precompile staking validator info
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,88 @@ | ||
| package precompile | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "math/big" | ||
|
|
||
| "github.com/ethereum/go-ethereum/accounts/abi" | ||
| "github.com/ethereum/go-ethereum/core/vm" | ||
|
|
||
| "github.com/functionx/fx-core/v7/x/evm/types" | ||
| fxstakingtypes "github.com/functionx/fx-core/v7/x/staking/types" | ||
| ) | ||
|
|
||
| type SlashingInfoMethod struct { | ||
| *Keeper | ||
| abi.Method | ||
| } | ||
|
|
||
| func NewSlashingInfoMethod(keeper *Keeper) *SlashingInfoMethod { | ||
| return &SlashingInfoMethod{ | ||
| Keeper: keeper, | ||
| Method: fxstakingtypes.GetABI().Methods["slashingInfo"], | ||
| } | ||
| } | ||
|
|
||
| func (m *SlashingInfoMethod) IsReadonly() bool { | ||
| return true | ||
| } | ||
|
|
||
| func (m *SlashingInfoMethod) GetMethodId() []byte { | ||
| return m.Method.ID | ||
| } | ||
|
|
||
| func (m *SlashingInfoMethod) RequiredGas() uint64 { | ||
| return 1_000 | ||
| } | ||
|
|
||
| func (m *SlashingInfoMethod) Run(evm *vm.EVM, contract *vm.Contract) ([]byte, error) { | ||
| args, err := m.UnpackInput(contract.Input) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| stateDB := evm.StateDB.(types.ExtStateDB) | ||
| cacheCtx := stateDB.CacheContext() | ||
|
|
||
| validator, found := m.Keeper.stakingKeeper.GetValidator(cacheCtx, args.GetValidator()) | ||
| if !found { | ||
| return nil, fmt.Errorf("validator %s not found", args.Validator) | ||
| } | ||
|
|
||
| consAddr, err := validator.GetConsAddr() | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| signingInfo, found := m.Keeper.slashingKeeper.GetValidatorSigningInfo(cacheCtx, consAddr) | ||
| if !found { | ||
| return nil, fmt.Errorf("signing info %s not found", consAddr.String()) | ||
| } | ||
| return m.PackOutput(validator.Jailed, signingInfo.MissedBlocksCounter) | ||
| } | ||
|
|
||
| func (m *SlashingInfoMethod) PackInput(args fxstakingtypes.SlashingInfoArgs) ([]byte, error) { | ||
| arguments, err := m.Method.Inputs.Pack(args.Validator) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| return append(m.GetMethodId(), arguments...), nil | ||
| } | ||
|
|
||
| func (m *SlashingInfoMethod) UnpackInput(data []byte) (*fxstakingtypes.SlashingInfoArgs, error) { | ||
| args := new(fxstakingtypes.SlashingInfoArgs) | ||
| err := types.ParseMethodArgs(m.Method, args, data[4:]) | ||
| return args, err | ||
| } | ||
|
|
||
| func (m *SlashingInfoMethod) PackOutput(jailed bool, missed int64) ([]byte, error) { | ||
| return m.Method.Outputs.Pack(jailed, big.NewInt(missed)) | ||
| } | ||
|
|
||
| func (m *SlashingInfoMethod) UnpackOutput(data []byte) (bool, *big.Int, error) { | ||
| unpack, err := m.Method.Outputs.Unpack(data) | ||
| if err != nil { | ||
| return false, nil, err | ||
| } | ||
| return unpack[0].(bool), unpack[1].(*big.Int), nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,115 @@ | ||
| package precompile_test | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "math/big" | ||
| "strings" | ||
| "testing" | ||
|
|
||
| sdk "github.com/cosmos/cosmos-sdk/types" | ||
| "github.com/stretchr/testify/require" | ||
|
|
||
| "github.com/functionx/fx-core/v7/contract" | ||
| testscontract "github.com/functionx/fx-core/v7/tests/contract" | ||
| "github.com/functionx/fx-core/v7/testutil/helpers" | ||
| "github.com/functionx/fx-core/v7/x/staking/precompile" | ||
| "github.com/functionx/fx-core/v7/x/staking/types" | ||
| ) | ||
|
|
||
| func TestSlashingInfoABI(t *testing.T) { | ||
| slashingInfoMethod := precompile.NewSlashingInfoMethod(nil) | ||
|
|
||
| require.Equal(t, 1, len(slashingInfoMethod.Method.Inputs)) | ||
| require.Equal(t, 2, len(slashingInfoMethod.Method.Outputs)) | ||
| } | ||
|
|
||
| func (suite *PrecompileTestSuite) TestSlashingInfo() { | ||
| slashingInfoMethod := precompile.NewSlashingInfoMethod(nil) | ||
| testCases := []struct { | ||
| name string | ||
| malleate func(val sdk.ValAddress) (types.SlashingInfoArgs, error) | ||
| result bool | ||
| }{ | ||
| { | ||
| name: "ok", | ||
| malleate: func(val sdk.ValAddress) (types.SlashingInfoArgs, error) { | ||
| return types.SlashingInfoArgs{ | ||
| Validator: val.String(), | ||
| }, nil | ||
| }, | ||
| result: true, | ||
| }, | ||
| { | ||
| name: "failed - invalid validator address", | ||
| malleate: func(val sdk.ValAddress) (types.SlashingInfoArgs, error) { | ||
| valStr := val.String() + "1" | ||
| return types.SlashingInfoArgs{ | ||
| Validator: valStr, | ||
| }, fmt.Errorf("invalid validator address: %s", valStr) | ||
| }, | ||
| result: false, | ||
| }, | ||
|
|
||
| { | ||
| name: "contract - ok", | ||
| malleate: func(val sdk.ValAddress) (types.SlashingInfoArgs, error) { | ||
| return types.SlashingInfoArgs{ | ||
| Validator: val.String(), | ||
| }, nil | ||
| }, | ||
| result: true, | ||
| }, | ||
| { | ||
| name: "contract - failed - invalid validator address", | ||
| malleate: func(val sdk.ValAddress) (types.SlashingInfoArgs, error) { | ||
| valStr := val.String() + "1" | ||
| return types.SlashingInfoArgs{ | ||
| Validator: valStr, | ||
| }, fmt.Errorf("invalid validator address: %s", valStr) | ||
| }, | ||
| result: false, | ||
| }, | ||
| } | ||
|
|
||
| for _, tc := range testCases { | ||
| suite.Run(fmt.Sprintf("Case %s", tc.name), func() { | ||
| val := suite.GetFirstValidator() | ||
| owner := suite.RandSigner() | ||
| spender := suite.RandSigner() | ||
| allowanceAmt := helpers.NewRandAmount() | ||
|
|
||
| // set allowance | ||
| suite.App.StakingKeeper.SetAllowance(suite.Ctx, val.GetOperator(), owner.AccAddress(), spender.AccAddress(), allowanceAmt.BigInt()) | ||
|
|
||
| args, errResult := tc.malleate(val.GetOperator()) | ||
|
|
||
| packData, err := slashingInfoMethod.PackInput(args) | ||
| suite.Require().NoError(err) | ||
| stakingContract := precompile.GetAddress() | ||
|
|
||
| if strings.HasPrefix(tc.name, "contract") { | ||
| stakingContract = suite.staking | ||
| packData, err = contract.MustABIJson(testscontract.StakingTestMetaData.ABI).Pack(TestSlashingInfoName, args.Validator) | ||
| suite.Require().NoError(err) | ||
| } | ||
|
|
||
| res := suite.EthereumTx(owner, stakingContract, big.NewInt(0), packData) | ||
|
|
||
| if tc.result { | ||
| suite.Require().False(res.Failed(), res.VmError) | ||
| jailed, missed, err := slashingInfoMethod.UnpackOutput(res.Ret) | ||
| suite.Require().NoError(err) | ||
| validator, found := suite.App.StakingKeeper.GetValidator(suite.Ctx, val.GetOperator()) | ||
| suite.True(found) | ||
| suite.Equal(validator.Jailed, jailed) | ||
| consAddr, err := validator.GetConsAddr() | ||
| suite.NoError(err) | ||
| signingInfo, found := suite.App.SlashingKeeper.GetValidatorSigningInfo(suite.Ctx, consAddr) | ||
| suite.True(found) | ||
| suite.Equal(signingInfo.MissedBlocksCounter, missed.Int64()) | ||
| } else { | ||
| suite.Error(res, errResult) | ||
| } | ||
| }) | ||
| } | ||
| } |
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