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