adjust sequence

Author: keithsue

x/lending/types/bitcoin.go

@@ -15,11 +15,11 @@ const (
 	// default tx version
 	TxVersion = 2
 
+	// default sequence
+	DefaultSequence = 0
+
 	// default maximum allowed transaction weight
 	MaxTransactionWeight = 400000
-
-	// default sequence
-	DefaultSequence = wire.MaxTxInSequenceNum - 1
 )
 
 // BuildPsbt builds a psbt from the given params

x/lending/types/dlc.go

@@ -10,6 +10,7 @@ import (
 	"github.com/btcsuite/btcd/btcutil/psbt"
 	"github.com/btcsuite/btcd/chaincfg/chainhash"
 	"github.com/btcsuite/btcd/txscript"
+	"github.com/btcsuite/btcd/wire"
 
 	errorsmod "cosmossdk.io/errors"
 
@@ -23,6 +24,9 @@ const (
 	// default sig hash type
 	DefaultSigHashType = txscript.SigHashDefault
 
+	// liquidation cet sequence
+	LiquidationCetSequence = wire.MaxTxInSequenceNum
+
 	// default fee rate
 	DefaultFeeRate = 1
 )
@@ -159,6 +163,10 @@ func VerifyLiquidationCet(dlcMeta *DLCMeta, depositTxs []*psbt.Packet, vaultPkSc
 			return errorsmod.Wrap(ErrInvalidCET, "incorrect previous tx out index")
 		}
 
+		if txIn.Sequence != LiquidationCetSequence {
+			return errorsmod.Wrap(ErrInvalidCET, "invalid sequence")
+		}
+
 		if p.Inputs[i].WitnessUtxo == nil {
 			return errorsmod.Wrap(ErrInvalidCET, "missing witness utxo")
 		}

x/liquidation/types/bitcoin.go

@@ -22,11 +22,11 @@ const (
 	// default tx version
 	TxVersion = 2
 
+	// default sequence
+	DefaultSequence = 0
+
 	// default sig hash type
 	DefaultSigHashType = txscript.SigHashDefault
-
-	// default sequence
-	DefaultSequence = wire.MaxTxInSequenceNum - 1
 )
 
 // BuildSettlementTransaction builds the settlement tx for the given liquidation and records