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msg_server.go
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/
msg_server.go
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package keeper
import (
"context"
sdk "github.com/okex/exchain/libs/cosmos-sdk/types"
"github.com/okex/exchain/libs/ibc-go/modules/apps/transfer/types"
)
//var _ types.MsgServer = Keeper{}
// See createOutgoingPacket in spec:https://github.com/cosmos/ics/tree/master/spec/ics-020-fungible-token-transfer#packet-relay
// Transfer defines a rpc handler method for MsgTransfer.
func (k Keeper) Transfer(goCtx context.Context, msg *types.MsgTransfer) (*types.MsgTransferResponse, error) {
ctx := sdk.UnwrapSDKContext(goCtx)
sender, err := sdk.AccAddressFromBech32(msg.Sender)
if err != nil {
return nil, err
}
if err := k.SendTransfer(
ctx, msg.SourcePort, msg.SourceChannel, msg.Token,
sender, msg.Receiver, msg.TimeoutHeight, msg.TimeoutTimestamp,
); err != nil {
return nil, err
}
k.Logger(ctx).Info("IBC fungible token transfer", "token", msg.Token.Denom, "amount", msg.Token.Amount.String(), "sender", msg.Sender, "receiver", msg.Receiver)
ctx.EventManager().EmitEvents(sdk.Events{
sdk.NewEvent(
types.EventTypeTransfer,
sdk.NewAttribute(sdk.AttributeKeySender, msg.Sender),
sdk.NewAttribute(types.AttributeKeyReceiver, msg.Receiver),
),
sdk.NewEvent(
sdk.EventTypeMessage,
sdk.NewAttribute(sdk.AttributeKeyModule, types.ModuleName),
),
})
return &types.MsgTransferResponse{}, nil
}