0g-chain/x/committee/handler.go

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package committee
import (
sdk "github.com/cosmos/cosmos-sdk/types"
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sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
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"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 {
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return func(ctx sdk.Context, msg sdk.Msg) (*sdk.Result, error) {
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ctx = ctx.WithEventManager(sdk.NewEventManager())
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switch msg := msg.(type) {
case types.MsgSubmitProposal:
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return handleMsgSubmitProposal(ctx, k, msg)
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case types.MsgVote:
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return handleMsgVote(ctx, k, msg)
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default:
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return nil, sdkerrors.Wrapf(sdkerrors.ErrUnknownRequest, "unrecognized %s message type: %T", ModuleName, msg)
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}
}
}
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func handleMsgSubmitProposal(ctx sdk.Context, k keeper.Keeper, msg types.MsgSubmitProposal) (*sdk.Result, error) {
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proposalID, err := k.SubmitProposal(ctx, msg.Proposer, msg.CommitteeID, msg.PubProposal)
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if err != nil {
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return nil, err
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}
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ctx.EventManager().EmitEvent(
sdk.NewEvent(
sdk.EventTypeMessage,
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sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory),
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sdk.NewAttribute(sdk.AttributeKeySender, msg.Proposer.String()),
),
)
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return &sdk.Result{
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Data: GetKeyFromID(proposalID),
Events: ctx.EventManager().Events(),
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}, nil
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}
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func handleMsgVote(ctx sdk.Context, k keeper.Keeper, msg types.MsgVote) (*sdk.Result, error) {
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err := k.AddVote(ctx, msg.ProposalID, msg.Voter)
if err != nil {
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return nil, err
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}
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ctx.EventManager().EmitEvent(
sdk.NewEvent(
sdk.EventTypeMessage,
sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory),
sdk.NewAttribute(sdk.AttributeKeySender, msg.Voter.String()),
),
)
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return &sdk.Result{Events: ctx.EventManager().Events()}, nil
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}