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relay.go
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relay.go
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package keeper
import (
sdk "github.com/cosmos/cosmos-sdk/types"
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
banktypes "github.com/cosmos/cosmos-sdk/x/bank/types"
capabilitytypes "github.com/cosmos/cosmos-sdk/x/capability/types"
"github.com/shawayush/inter-swap/x/interchain-swap/types"
icqtypes "github.com/cosmos/ibc-go/v3/modules/apps/transfer/types"
clienttypes "github.com/cosmos/ibc-go/v3/modules/core/02-client/types"
channeltypes "github.com/cosmos/ibc-go/v3/modules/core/04-channel/types"
abci "github.com/tendermint/tendermint/abci/types"
)
func (k Keeper) SendQuery(
ctx sdk.Context,
sourcePort,
sourceChannel string,
chanCap *capabilitytypes.Capability,
reqs []abci.RequestQuery,
timeoutHeight clienttypes.Height,
timeoutTimestamp uint64,
) (uint64, error) {
sourceChannelEnd, found := k.channelKeeper.GetChannel(ctx, sourcePort, sourceChannel)
if !found {
return 0, sdkerrors.Wrapf(channeltypes.ErrChannelNotFound, "port ID (%s) channel ID (%s)", sourcePort, sourceChannel)
}
destinationPort := sourceChannelEnd.GetCounterparty().GetPortID()
destinationChannel := sourceChannelEnd.GetCounterparty().GetChannelID()
data, err := icqtypes.SerializeCosmosQuery(reqs)
if err != nil {
return 0, sdkerrors.Wrap(err, "could not serialize reqs into cosmos query")
}
icqPacketData := icqtypes.InterchainQueryPacketData{
Data: data,
}
return k.createOutgoingPacket(ctx, sourcePort, sourceChannel, destinationPort, destinationChannel, chanCap, icqPacketData, timeoutTimestamp)
}
func (k Keeper) createOutgoingPacket(
ctx sdk.Context,
sourcePort,
sourceChannel,
destinationPort,
destinationChannel string,
chanCap *capabilitytypes.Capability,
icqPacketData icqtypes.InterchainQueryPacketData,
timeoutTimestamp uint64,
) (uint64, error) {
if err := icqPacketData.ValidateBasic(); err != nil {
return 0, sdkerrors.Wrap(err, "invalid interchain query packet data")
}
// get the next sequence
sequence, found := k.channelKeeper.GetNextSequenceSend(ctx, sourcePort, sourceChannel)
if !found {
return 0, sdkerrors.Wrapf(channeltypes.ErrSequenceSendNotFound, "failed to retrieve next sequence send for channel %s on port %s", sourceChannel, sourcePort)
}
packet := channeltypes.NewPacket(
icqPacketData.GetBytes(),
sequence,
sourcePort,
sourceChannel,
destinationPort,
destinationChannel,
clienttypes.ZeroHeight(),
timeoutTimestamp,
)
if err := k.ics4Wrapper.SendPacket(ctx, chanCap, packet); err != nil {
return 0, err
}
return packet.Sequence, nil
}
func (k Keeper) OnAcknowledgementPacket(
ctx sdk.Context,
modulePacket channeltypes.Packet,
ack channeltypes.Acknowledgement,
) error {
switch resp := ack.Response.(type) {
case *channeltypes.Acknowledgement_Result:
var ackData icqtypes.InterchainQueryPacketAck
if err := icqtypes.ModuleCdc.UnmarshalJSON(resp.Result, &ackData); err != nil {
return sdkerrors.Wrap(err, "failed to unmarshal interchain query packet ack")
}
resps, err := icqtypes.DeserializeCosmosResponse(ackData.Data)
if err != nil {
return sdkerrors.Wrap(err, "could not deserialize data to cosmos response")
}
if len(resps) < 1 {
return sdkerrors.Wrap(sdkerrors.ErrInvalidRequest, "no responses in interchain query packet ack")
}
var r banktypes.QueryAllBalancesResponse
if err := k.cdc.Unmarshal(resps[0].Value, &r); err != nil {
return sdkerrors.Wrapf(err, "failed to unmarshal interchain query response to type %T", resp)
}
k.SetQueryResponse(ctx, modulePacket.Sequence, r)
k.SetLastQueryPacketSeq(ctx, modulePacket.Sequence)
ctx.EventManager().EmitEvent(
sdk.NewEvent(
types.EventTypeQueryResult,
sdk.NewAttribute(types.AttributeKeyAckSuccess, string(resp.Result)),
),
)
k.Logger(ctx).Info("interchain query response", "sequence", modulePacket.Sequence, "response", r)
case *channeltypes.Acknowledgement_Error:
ctx.EventManager().EmitEvent(
sdk.NewEvent(
types.EventTypeQueryResult,
sdk.NewAttribute(types.AttributeKeyAckError, resp.Error),
),
)
k.Logger(ctx).Error("interchain query response", "sequence", modulePacket.Sequence, "error", resp.Error)
}
return nil
}