package committee import ( "fmt" sdk "github.com/cosmos/cosmos-sdk/types" sdkerrors "github.com/cosmos/cosmos-sdk/types/errors" "github.com/kava-labs/kava/x/committee/keeper" "github.com/kava-labs/kava/x/committee/types" ) // NewHandler creates an sdk.Handler for committee messages func NewHandler(k keeper.Keeper) sdk.Handler { return func(ctx sdk.Context, msg sdk.Msg) (*sdk.Result, error) { ctx = ctx.WithEventManager(sdk.NewEventManager()) switch msg := msg.(type) { case types.MsgSubmitProposal: return handleMsgSubmitProposal(ctx, k, msg) case types.MsgVote: return handleMsgVote(ctx, k, msg) default: return nil, sdkerrors.Wrapf(sdkerrors.ErrUnknownRequest, "unrecognized %s message type: %T", ModuleName, msg) } } } func handleMsgSubmitProposal(ctx sdk.Context, k keeper.Keeper, msg types.MsgSubmitProposal) (*sdk.Result, error) { proposalID, err := k.SubmitProposal(ctx, msg.Proposer, msg.CommitteeID, msg.PubProposal) if err != nil { return nil, err } ctx.EventManager().EmitEvent( sdk.NewEvent( sdk.EventTypeMessage, sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory), sdk.NewAttribute(sdk.AttributeKeySender, msg.Proposer.String()), ), ) return &sdk.Result{ Data: GetKeyFromID(proposalID), Events: ctx.EventManager().Events(), }, nil } func handleMsgVote(ctx sdk.Context, k keeper.Keeper, msg types.MsgVote) (*sdk.Result, error) { // get the proposal just to add fields to the event proposal, found := k.GetProposal(ctx, msg.ProposalID) if !found { return nil, sdkerrors.Wrapf(ErrUnknownProposal, "%d", msg.ProposalID) } err := k.AddVote(ctx, msg.ProposalID, msg.Voter) if err != nil { return nil, err } ctx.EventManager().EmitEvent( sdk.NewEvent( sdk.EventTypeMessage, sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory), sdk.NewAttribute(sdk.AttributeKeySender, msg.Voter.String()), ), ) // Enact a proposal if it has enough votes passes, err := k.GetProposalResult(ctx, msg.ProposalID) if err != nil { return nil, err } if !passes { return &sdk.Result{Events: ctx.EventManager().Events()}, nil } err = k.EnactProposal(ctx, msg.ProposalID) outcome := types.AttributeValueProposalPassed if err != nil { outcome = types.AttributeValueProposalFailed } k.DeleteProposalAndVotes(ctx, msg.ProposalID) ctx.EventManager().EmitEvent( sdk.NewEvent( types.EventTypeProposalClose, sdk.NewAttribute(types.AttributeKeyCommitteeID, fmt.Sprintf("%d", proposal.CommitteeID)), sdk.NewAttribute(types.AttributeKeyProposalID, fmt.Sprintf("%d", proposal.ID)), sdk.NewAttribute(types.AttributeKeyProposalCloseStatus, outcome), ), ) return &sdk.Result{Events: ctx.EventManager().Events()}, nil }