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handler.go
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/
handler.go
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package handler
import (
"errors"
sdk "github.com/ci123chain/ci123chain/pkg/abci/types"
"github.com/ci123chain/ci123chain/pkg/account/keeper"
"github.com/ci123chain/ci123chain/pkg/transfer"
"reflect"
)
func NewHandler(am keeper.AccountKeeper) sdk.Handler {
return func(ctx sdk.Context, msg sdk.Msg) (*sdk.Result, error) {
ctx = ctx.WithEventManager(sdk.NewEventManager())
switch msg := msg.(type) {
case *transfer.MsgTransfer:
return handlerMsgTransfer(ctx, am, msg)
default:
errMsg := "Unrecognized Tx type: " + reflect.TypeOf(msg).Name()
return nil, errors.New(errMsg)
}
}
}
func handlerMsgTransfer(ctx sdk.Context, am keeper.AccountKeeper, msg *transfer.MsgTransfer) (*sdk.Result, error) {
em := ctx.EventManager()
if err := am.Transfer(ctx, msg.FromAddress, msg.To, msg.Amount); err != nil {
return nil, err
}
//em.EmitEvents(sdk.Events{
// sdk.NewEvent(transfer.EventType,
// sdk.NewAttribute([]byte(sdk.AttributeKeyMethod), []byte(transfer.AttributeValueTransfer)),
// sdk.NewAttribute([]byte(sdk.AttributeKeyModule), []byte(transfer.AttributeValueCategory)),
// sdk.NewAttribute([]byte(sdk.AttributeKeySender), []byte(msg.FromAddress.String())),
// sdk.NewAttribute([]byte(sdk.AttributeKeyReceiver), []byte(msg.To.String())),
// sdk.NewAttribute([]byte(sdk.AttributeKeyAmount), []byte(msg.Amount.Amount.String())),
// ),
//})
return &sdk.Result{ Events: em.Events(), }, nil
}