34 lines
890 B
Go
34 lines
890 B
Go
package utils
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import (
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"encoding/binary"
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abci "github.com/tendermint/tendermint/abci/types"
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"github.com/cosmos/cosmos-sdk/client"
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channeltypes "github.com/cosmos/cosmos-sdk/x/ibc/04-channel/types"
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host "github.com/cosmos/cosmos-sdk/x/ibc/24-host"
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)
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// QueryNextSequenceRecv queries the store to get the next receive sequence and
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// a merkle proof.
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func QueryNextSequenceRecv(
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clientCtx client.Context, portID, channelID string, prove bool,
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) (channeltypes.RecvResponse, error) {
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req := abci.RequestQuery{
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Path: "store/ibc/key",
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Data: host.KeyNextSequenceRecv(portID, channelID),
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Prove: prove,
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}
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res, err := clientCtx.QueryABCI(req)
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if err != nil {
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return channeltypes.RecvResponse{}, err
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}
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sequence := binary.BigEndian.Uint64(res.Value)
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sequenceRes := channeltypes.NewRecvResponse(portID, channelID, sequence, res.Proof, res.Height)
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return sequenceRes, nil
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}
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