cosmos-sdk/x/ibc/04-channel/simulation/decoder.go
Marko 617b822efa
types: add kv type (#6897)
* add kv type

* add changelog entry

* fix build

* replace sdkkv with kv

* revert change

* fix some tests

* proto-gen

* fix tests

Co-authored-by: Aleksandr Bezobchuk <aleks.bezobchuk@gmail.com>
Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>
2020-07-30 14:53:02 +00:00

49 lines
1.8 KiB
Go

package simulation
import (
"bytes"
"fmt"
"github.com/cosmos/cosmos-sdk/codec"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/types/kv"
"github.com/cosmos/cosmos-sdk/x/ibc/04-channel/types"
host "github.com/cosmos/cosmos-sdk/x/ibc/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.KeyChannelPrefix)):
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
}
}