gno.land/r/sys/validators/v2⧉

1package validators23import (4	"strings"56	"gno.land/p/nt/ufmt/v0"7	"gno.land/p/sys/validators/v0"8	"gno.land/r/gov/dao"9)1011// NewPropRequest creates a new proposal request that wraps a changes closure12// proposal. This wrapper is required to ensure the GovDAO Realm actually13// executed the callback.14func NewPropRequest(cur realm, changesFn func() []validators.Validator, title, description string) dao.ProposalRequest {15	if changesFn == nil {16		panic("no set changes proposed")17	}1819	title = strings.TrimSpace(title)20	if title == "" {21		panic("proposal title is empty")22	}2324	// Get the list of validators now to make sure the list25	// doesn't change during the lifetime of the proposal26	changes := changesFn()2728	// Limit the number of validators to keep the description within a limit29	// that makes sense because there is not pagination of validators30	if len(changes) > 40 {31		panic("max number of allowed validators per proposal is 40")32	} else if len(changes) == 0 {33		panic("proposal requires at least one validator")34	}3536	// List the validator addresses and the action to be taken for each one37	var desc strings.Builder38	desc.WriteString(description)39	if len(description) > 0 {40		desc.WriteString("\n\n")41	}4243	desc.WriteString("## Validator Updates\n")44	for _, change := range changes {45		if change.VotingPower == 0 {46			desc.WriteString(ufmt.Sprintf("- %s: remove\n", change.Address))47		} else {48			desc.WriteString(ufmt.Sprintf("- %s: add\n", change.Address))49		}50	}5152	callback := func(cur realm) error {53		for _, change := range changes {54			if change.VotingPower == 0 {55				// This change request is to remove the validator56				removeValidator(change.Address)5758				continue59			}6061			// This change request is to add the validator62			addValidator(change)63		}6465		return nil66	}6768	e := dao.NewSimpleExecutor(0, cur, callback, "")6970	return dao.NewProposalRequest(title, desc.String(), e)71}7273// IsValidator returns a flag indicating if the given bech32 address74// is part of the validator set75func IsValidator(addr address) bool {76	return vp.IsValidator(addr)77}7879// GetValidator returns the typed validator80func GetValidator(addr address) validators.Validator {81	if validator, err := vp.GetValidator(addr); err == nil {82		return validator83	}8485	panic("validator not found")86}8788// GetValidators returns the typed validator set89func GetValidators() []validators.Validator {90	return vp.GetValidators()91}92