/
relay.go
160 lines (134 loc) · 5.12 KB
/
relay.go
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package keeper
import (
"strconv"
abci "github.com/tendermint/tendermint/abci/types"
cerrs "cosmossdk.io/errors"
sdk "github.com/cosmos/cosmos-sdk/types"
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
capabilitytypes "github.com/cosmos/cosmos-sdk/x/capability/types"
icqtypes "github.com/cosmos/ibc-apps/modules/async-icq/v6/types"
clienttypes "github.com/cosmos/ibc-go/v6/modules/core/02-client/types"
channeltypes "github.com/cosmos/ibc-go/v6/modules/core/04-channel/types"
"github.com/provenance-io/provenance/x/oracle/types"
)
// SendQuery sends and records an icq
func (k Keeper) SendQuery(
ctx sdk.Context,
sourcePort,
sourceChannel string,
chanCap *capabilitytypes.Capability,
reqs []abci.RequestQuery,
_ clienttypes.Height,
timeoutTimestamp uint64,
) (uint64, error) {
sourceChannelEnd, found := k.channelKeeper.GetChannel(ctx, sourcePort, sourceChannel)
if !found {
return 0, cerrs.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, cerrs.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, cerrs.Wrap(err, "invalid interchain query packet data")
}
// get the next sequence
sequence, found := k.channelKeeper.GetNextSequenceSend(ctx, sourcePort, sourceChannel)
if !found {
return 0, cerrs.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.SourcePort, packet.SourceChannel, packet.TimeoutHeight, packet.TimeoutTimestamp, packet.Data); err != nil {
return 0, err
}
return packet.Sequence, nil
}
// OnAcknowledgementPacket reacts to an Acknowledgement packet.
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 cerrs.Wrap(err, "failed to unmarshal interchain query packet ack")
}
resps, err := icqtypes.DeserializeCosmosResponse(ackData.Data)
if err != nil {
return cerrs.Wrap(err, "could not deserialize data to cosmos response")
}
if len(resps) < 1 {
return cerrs.Wrap(sdkerrors.ErrInvalidRequest, "no responses in interchain query packet ack")
}
var r types.QueryOracleResponse
if err = k.cdc.Unmarshal(resps[0].Value, &r); err != nil {
return cerrs.Wrapf(err, "failed to unmarshal interchain query response to type %T", resp)
}
err = ctx.EventManager().EmitTypedEvent(&types.EventOracleQuerySuccess{
SequenceId: strconv.FormatUint(modulePacket.Sequence, 10),
Result: string(resp.Result),
Channel: modulePacket.DestinationChannel,
})
k.Logger(ctx).Info("interchain query ack response", "sequence", modulePacket.Sequence, "response", r)
if err != nil {
k.Logger(ctx).Error("interchain query ack response was unable to emit event", "sequence", modulePacket.Sequence, "error", err)
return err
}
case *channeltypes.Acknowledgement_Error:
err := ctx.EventManager().EmitTypedEvent(&types.EventOracleQueryError{
SequenceId: strconv.FormatUint(modulePacket.Sequence, 10),
Error: resp.Error,
Channel: modulePacket.DestinationChannel,
})
k.Logger(ctx).Error("interchain query ack error response", "sequence", modulePacket.Sequence, "error", resp.Error)
if err != nil {
k.Logger(ctx).Error("interchain query ack error response was unable to emit event", "sequence", modulePacket.Sequence, "error", err)
return err
}
}
return nil
}
// OnTimeoutPacket reacts to a timed out packet.
func (k Keeper) OnTimeoutPacket(
ctx sdk.Context,
modulePacket channeltypes.Packet,
) error {
err := ctx.EventManager().EmitTypedEvent(&types.EventOracleQueryTimeout{
SequenceId: strconv.FormatUint(modulePacket.Sequence, 10),
Channel: modulePacket.DestinationChannel,
})
k.Logger(ctx).Error("Packet timeout", "sequence", modulePacket.Sequence)
if err != nil {
k.Logger(ctx).Error("interchain query timeout was unable to emit event", "sequence", modulePacket.Sequence, "error", err)
return err
}
return nil
}