/
msg_server.go
66 lines (52 loc) · 2.01 KB
/
msg_server.go
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package keeper
import (
"context"
errorsmod "cosmossdk.io/errors"
sdk "github.com/cosmos/cosmos-sdk/types"
errortypes "github.com/cosmos/cosmos-sdk/types/errors"
transfertypes "github.com/cosmos/ibc-go/v6/modules/apps/transfer/types"
"github.com/functionx/fx-core/v6/x/ibc/applications/transfer/types"
)
var (
_ types.MsgServer = Keeper{}
_ types.QueryServer = 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) (*transfertypes.MsgTransferResponse, error) {
ctx := sdk.UnwrapSDKContext(goCtx)
if !k.GetSendEnabled(ctx) {
return nil, transfertypes.ErrSendDisabled
}
sender, err := sdk.AccAddressFromBech32(msg.Sender)
if err != nil {
return nil, err
}
if !k.bankKeeper.IsSendEnabledCoin(ctx, msg.Token) {
return nil, errorsmod.Wrapf(transfertypes.ErrSendDisabled, "%s transfers are currently disabled", msg.Token.Denom)
}
if k.bankKeeper.BlockedAddr(sender) {
return nil, errorsmod.Wrapf(errortypes.ErrUnauthorized, "%s is not allowed to send funds", sender)
}
sequence, err := k.sendTransfer(
ctx, msg.SourcePort, msg.SourceChannel, msg.Token, sender, msg.Receiver, msg.TimeoutHeight, msg.TimeoutTimestamp, msg.Router, sdk.NewCoin(msg.Token.Denom, msg.Fee.Amount), msg.Memo,
)
if 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(
transfertypes.EventTypeTransfer,
sdk.NewAttribute(sdk.AttributeKeySender, msg.Sender),
sdk.NewAttribute(transfertypes.AttributeKeyReceiver, msg.Receiver),
),
sdk.NewEvent(
sdk.EventTypeMessage,
sdk.NewAttribute(sdk.AttributeKeyModule, types.ModuleName),
),
})
return &transfertypes.MsgTransferResponse{
Sequence: sequence,
}, nil
}