package committee import ( sdk "github.com/cosmos/cosmos-sdk/types" sdkerrors "github.com/cosmos/cosmos-sdk/types/errors" govtypes "github.com/cosmos/cosmos-sdk/x/gov/types" "github.com/kava-labs/kava/x/committee/keeper" "github.com/kava-labs/kava/x/committee/types" ) func NewProposalHandler(k keeper.Keeper) govtypes.Handler { return func(ctx sdk.Context, content govtypes.Content) error { switch c := content.(type) { case *types.CommitteeChangeProposal: return handleCommitteeChangeProposal(ctx, k, c) case *types.CommitteeDeleteProposal: return handleCommitteeDeleteProposal(ctx, k, c) default: return sdkerrors.Wrapf(sdkerrors.ErrUnknownRequest, "unrecognized %s proposal content type: %T", types.ModuleName, c) } } } func handleCommitteeChangeProposal(ctx sdk.Context, k keeper.Keeper, committeeProposal *types.CommitteeChangeProposal) error { if err := committeeProposal.ValidateBasic(); err != nil { return sdkerrors.Wrap(types.ErrInvalidPubProposal, err.Error()) } // Remove all committee's ongoing proposals proposals := k.GetProposalsByCommittee(ctx, committeeProposal.GetNewCommittee().GetID()) for _, p := range proposals { k.CloseProposal(ctx, p, types.Failed) } // update/create the committee k.SetCommittee(ctx, committeeProposal.GetNewCommittee()) return nil } func handleCommitteeDeleteProposal(ctx sdk.Context, k keeper.Keeper, committeeProposal *types.CommitteeDeleteProposal) error { if err := committeeProposal.ValidateBasic(); err != nil { return sdkerrors.Wrap(types.ErrInvalidPubProposal, err.Error()) } // Remove all committee's ongoing proposals proposals := k.GetProposalsByCommittee(ctx, committeeProposal.CommitteeID) for _, p := range proposals { k.CloseProposal(ctx, p, types.Failed) } k.DeleteCommittee(ctx, committeeProposal.CommitteeID) return nil }