package staking import ( "fmt" tmtypes "github.com/tendermint/tendermint/types" cryptocodec "github.com/cosmos/cosmos-sdk/crypto/codec" sdk "github.com/cosmos/cosmos-sdk/types" "github.com/cosmos/cosmos-sdk/x/staking/keeper" "github.com/cosmos/cosmos-sdk/x/staking/types" ) // WriteValidators returns a slice of bonded genesis validators. func WriteValidators(ctx sdk.Context, keeper *keeper.Keeper) (vals []tmtypes.GenesisValidator, err error) { keeper.IterateLastValidators(ctx, func(_ int64, validator types.ValidatorI) (stop bool) { pk, err := validator.ConsPubKey() if err != nil { return true } tmPk, err := cryptocodec.ToTmPubKeyInterface(pk) if err != nil { return true } vals = append(vals, tmtypes.GenesisValidator{ Address: sdk.ConsAddress(tmPk.Address()).Bytes(), PubKey: tmPk, Power: validator.GetConsensusPower(keeper.PowerReduction(ctx)), Name: validator.GetMoniker(), }) return false }) return } // ValidateGenesis validates the provided staking genesis state to ensure the // expected invariants holds. (i.e. params in correct bounds, no duplicate validators) func ValidateGenesis(data *types.GenesisState) error { if err := validateGenesisStateValidators(data.Validators); err != nil { return err } return data.Params.Validate() } func validateGenesisStateValidators(validators []types.Validator) error { addrMap := make(map[string]bool, len(validators)) for i := 0; i < len(validators); i++ { val := validators[i] consPk, err := val.ConsPubKey() if err != nil { return err } strKey := string(consPk.Bytes()) if _, ok := addrMap[strKey]; ok { consAddr, err := val.GetConsAddr() if err != nil { return err } return fmt.Errorf("duplicate validator in genesis state: moniker %v, address %v", val.Description.Moniker, consAddr) } if val.Jailed && val.IsBonded() { consAddr, err := val.GetConsAddr() if err != nil { return err } return fmt.Errorf("validator is bonded and jailed in genesis state: moniker %v, address %v", val.Description.Moniker, consAddr) } if val.DelegatorShares.IsZero() && !val.IsUnbonding() { return fmt.Errorf("bonded/unbonded genesis validator cannot have zero delegator shares, validator: %v", val) } addrMap[strKey] = true } return nil }