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decoder.go
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decoder.go
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package simulation
import (
"bytes"
"fmt"
"github.com/soominhyunwoo/chain-sdk/codec"
sdk "github.com/soominhyunwoo/chain-sdk/types"
"github.com/soominhyunwoo/chain-sdk/types/kv"
"github.com/soominhyunwoo/chain-sdk/x/ibc/core/04-channel/types"
host "github.com/soominhyunwoo/chain-sdk/x/ibc/core/24-host"
)
// NewDecodeStore returns a decoder function closure that unmarshals the KVPair's
// Value to the corresponding channel type.
func NewDecodeStore(cdc codec.BinaryMarshaler, kvA, kvB kv.Pair) (string, bool) {
switch {
case bytes.HasPrefix(kvA.Key, []byte(host.KeyChannelEndPrefix)):
var channelA, channelB types.Channel
cdc.MustUnmarshalBinaryBare(kvA.Value, &channelA)
cdc.MustUnmarshalBinaryBare(kvB.Value, &channelB)
return fmt.Sprintf("Channel A: %v\nChannel B: %v", channelA, channelB), true
case bytes.HasPrefix(kvA.Key, []byte(host.KeyNextSeqSendPrefix)):
seqA := sdk.BigEndianToUint64(kvA.Value)
seqB := sdk.BigEndianToUint64(kvB.Value)
return fmt.Sprintf("NextSeqSend A: %d\nNextSeqSend B: %d", seqA, seqB), true
case bytes.HasPrefix(kvA.Key, []byte(host.KeyNextSeqRecvPrefix)):
seqA := sdk.BigEndianToUint64(kvA.Value)
seqB := sdk.BigEndianToUint64(kvB.Value)
return fmt.Sprintf("NextSeqRecv A: %d\nNextSeqRecv B: %d", seqA, seqB), true
case bytes.HasPrefix(kvA.Key, []byte(host.KeyNextSeqAckPrefix)):
seqA := sdk.BigEndianToUint64(kvA.Value)
seqB := sdk.BigEndianToUint64(kvB.Value)
return fmt.Sprintf("NextSeqAck A: %d\nNextSeqAck B: %d", seqA, seqB), true
case bytes.HasPrefix(kvA.Key, []byte(host.KeyPacketCommitmentPrefix)):
return fmt.Sprintf("CommitmentHash A: %X\nCommitmentHash B: %X", kvA.Value, kvB.Value), true
case bytes.HasPrefix(kvA.Key, []byte(host.KeyPacketAckPrefix)):
return fmt.Sprintf("AckHash A: %X\nAckHash B: %X", kvA.Value, kvB.Value), true
default:
return "", false
}
}