47 lines
1.3 KiB
Go
47 lines
1.3 KiB
Go
package evidence
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import (
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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/cosmos/cosmos-sdk/x/evidence/exported"
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)
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func NewHandler(k 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) {
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case MsgSubmitEvidenceBase:
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return nil, sdkerrors.Wrapf(sdkerrors.ErrInvalidRequest, "%T must be extended to support evidence", msg)
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default:
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msgSubEv, ok := msg.(exported.MsgSubmitEvidence)
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if ok {
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return handleMsgSubmitEvidence(ctx, k, msgSubEv)
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}
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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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}
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}
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func handleMsgSubmitEvidence(ctx sdk.Context, k Keeper, msg exported.MsgSubmitEvidence) (*sdk.Result, error) {
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evidence := msg.GetEvidence()
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if err := k.SubmitEvidence(ctx, evidence); err != nil {
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return nil, err
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}
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ctx.EventManager().EmitEvent(
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sdk.NewEvent(
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sdk.EventTypeMessage,
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sdk.NewAttribute(sdk.AttributeKeyModule, AttributeValueCategory),
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sdk.NewAttribute(sdk.AttributeKeySender, msg.GetSubmitter().String()),
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),
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)
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return &sdk.Result{
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Data: evidence.Hash(),
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Events: ctx.EventManager().Events(),
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}, nil
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}
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