diff --git a/wire/message_test.go b/wire/message_test.go
index 9f859eadfd..9772c2558e 100644
--- a/wire/message_test.go
+++ b/wire/message_test.go
@@ -122,13 +122,13 @@ func TestMessage(t *testing.T) {
 		{msgCFTypes, msgCFTypes, pver, MainNet, 26},
 		{msgGetInitState, msgGetInitState, pver, MainNet, 25},
 		{msgInitState, msgInitState, pver, MainNet, 28},
-		{msgMixPR, msgMixPR, pver, MainNet, 169},
-		{msgMixKE, msgMixKE, pver, MainNet, 1449},
-		{msgMixCT, msgMixCT, pver, MainNet, 166},
-		{msgMixSR, msgMixSR, pver, MainNet, 169},
-		{msgMixDC, msgMixDC, pver, MainNet, 189},
-		{msgMixCM, msgMixCM, pver, MainNet, 181},
-		{msgMixRS, msgMixRS, pver, MainNet, 213},
+		{msgMixPR, msgMixPR, pver, MainNet, 165},
+		{msgMixKE, msgMixKE, pver, MainNet, 1445},
+		{msgMixCT, msgMixCT, pver, MainNet, 162},
+		{msgMixSR, msgMixSR, pver, MainNet, 165},
+		{msgMixDC, msgMixDC, pver, MainNet, 185},
+		{msgMixCM, msgMixCM, pver, MainNet, 177},
+		{msgMixRS, msgMixRS, pver, MainNet, 209},
 	}
 
 	t.Logf("Running %d tests", len(tests))
diff --git a/wire/msgmixciphertexts.go b/wire/msgmixciphertexts.go
index 3c2f634988..e18a208bed 100644
--- a/wire/msgmixciphertexts.go
+++ b/wire/msgmixciphertexts.go
@@ -19,7 +19,7 @@ type MsgMixCiphertexts struct {
 	Signature        [64]byte
 	Identity         [33]byte
 	SessionID        [32]byte
-	Expiry           int64
+	Expiry           uint32
 	Run              uint32
 	Ciphertexts      [][1047]byte
 	SeenKeyExchanges []chainhash.Hash
@@ -190,21 +190,21 @@ func (msg *MsgMixCiphertexts) Command() string {
 // MaxPayloadLength returns the maximum length the payload can be for the
 // receiver.  This is part of the Message interface implementation.
 func (msg *MsgMixCiphertexts) MaxPayloadLength(pver uint32) uint32 {
-	return 552592
+	return 552588
 }
 
-// GetIdentity returns the message sender's public key identity.
-func (msg *MsgMixCiphertexts) GetIdentity() []byte {
+// Pub returns the message sender's public key identity.
+func (msg *MsgMixCiphertexts) Pub() []byte {
 	return msg.Identity[:]
 }
 
-// GetSignature returns the message signature.
-func (msg *MsgMixCiphertexts) GetSignature() []byte {
+// Sig returns the message signature.
+func (msg *MsgMixCiphertexts) Sig() []byte {
 	return msg.Signature[:]
 }
 
 // Expires returns the block height at which the message expires.
-func (msg *MsgMixCiphertexts) Expires() int64 {
+func (msg *MsgMixCiphertexts) Expires() uint32 {
 	return msg.Expiry
 }
 
@@ -226,7 +226,7 @@ func (msg *MsgMixCiphertexts) GetRun() uint32 {
 // NewMsgMixCiphertexts returns a new mixcphrtxt message that conforms to the
 // Message interface using the passed parameters and defaults for the
 // remaining fields.
-func NewMsgMixCiphertexts(identity [33]byte, sid [32]byte, expires int64, run uint32,
+func NewMsgMixCiphertexts(identity [33]byte, sid [32]byte, expires uint32, run uint32,
 	ciphertexts [][1047]byte, seenKeyExchanges []chainhash.Hash) *MsgMixCiphertexts {
 
 	return &MsgMixCiphertexts{
diff --git a/wire/msgmixciphertexts_test.go b/wire/msgmixciphertexts_test.go
index 98ded92671..6082e88781 100644
--- a/wire/msgmixciphertexts_test.go
+++ b/wire/msgmixciphertexts_test.go
@@ -35,7 +35,7 @@ func TestMixCTWire(t *testing.T) {
 	var sid [32]byte
 	copy(sid[:], repeat(0x82, 32))
 
-	const expiry = int64(0x0383838383838383)
+	const expiry = uint32(0x83838383)
 	const run = uint32(0x84848484)
 
 	cts := make([][1047]byte, 4)
diff --git a/wire/msgmixconfirm.go b/wire/msgmixconfirm.go
index a393d86ff9..03de5d32d4 100644
--- a/wire/msgmixconfirm.go
+++ b/wire/msgmixconfirm.go
@@ -22,7 +22,7 @@ type MsgMixConfirm struct {
 	Signature  [64]byte
 	Identity   [33]byte
 	SessionID  [32]byte
-	Expiry     int64
+	Expiry     uint32
 	Run        uint32
 	Mix        MsgTx
 	SeenDCNets []chainhash.Hash
@@ -183,21 +183,21 @@ func (msg *MsgMixConfirm) Command() string {
 // MaxPayloadLength returns the maximum length the payload can be for the
 // receiver.  This is part of the Message interface implementation.
 func (msg *MsgMixConfirm) MaxPayloadLength(pver uint32) uint32 {
-	return 16543 + MaxBlockPayloadV3
+	return 16539 + MaxBlockPayloadV3
 }
 
-// GetIdentity returns the message sender's public key identity.
-func (msg *MsgMixConfirm) GetIdentity() []byte {
+// Pub returns the message sender's public key identity.
+func (msg *MsgMixConfirm) Pub() []byte {
 	return msg.Identity[:]
 }
 
-// GetSignature returns the message signature.
-func (msg *MsgMixConfirm) GetSignature() []byte {
+// Sig returns the message signature.
+func (msg *MsgMixConfirm) Sig() []byte {
 	return msg.Signature[:]
 }
 
 // Expires returns the block height at which the message expires.
-func (msg *MsgMixConfirm) Expires() int64 {
+func (msg *MsgMixConfirm) Expires() uint32 {
 	return msg.Expiry
 }
 
@@ -219,7 +219,7 @@ func (msg *MsgMixConfirm) GetRun() uint32 {
 // NewMsgMixConfirm returns a new mixconfirm message that conforms to the
 // Message interface using the passed parameters and defaults for the
 // remaining fields.
-func NewMsgMixConfirm(identity [33]byte, sid [32]byte, expiry int64, run uint32,
+func NewMsgMixConfirm(identity [33]byte, sid [32]byte, expiry uint32, run uint32,
 	mix *MsgTx, seenDCNets []chainhash.Hash) *MsgMixConfirm {
 
 	if mix == nil {
diff --git a/wire/msgmixconfirm_test.go b/wire/msgmixconfirm_test.go
index 663b845b66..9f95754268 100644
--- a/wire/msgmixconfirm_test.go
+++ b/wire/msgmixconfirm_test.go
@@ -35,7 +35,7 @@ func TestMixCMWire(t *testing.T) {
 	var sid [32]byte
 	copy(sid[:], repeat(0x82, 32))
 
-	const expiry = int64(0x0383838383838383)
+	const expiry = uint32(0x83838383)
 	const run = uint32(0x84848484)
 
 	mix := NewMsgTx()
diff --git a/wire/msgmixdcnet.go b/wire/msgmixdcnet.go
index f792824e1a..317a51c855 100644
--- a/wire/msgmixdcnet.go
+++ b/wire/msgmixdcnet.go
@@ -17,7 +17,7 @@ type MsgMixDCNet struct {
 	Signature        [64]byte
 	Identity         [33]byte
 	SessionID        [32]byte
-	Expiry           int64
+	Expiry           uint32
 	Run              uint32
 	DCNet            []MixVect
 	SeenSlotReserves []chainhash.Hash
@@ -257,21 +257,21 @@ func (msg *MsgMixDCNet) Command() string {
 // MaxPayloadLength returns the maximum length the payload can be for the
 // receiver.  This is part of the Message interface implementation.
 func (msg *MsgMixDCNet) MaxPayloadLength(pver uint32) uint32 {
-	return 16800915
+	return 16800911
 }
 
-// GetIdentity returns the message sender's public key identity.
-func (msg *MsgMixDCNet) GetIdentity() []byte {
+// Pub returns the message sender's public key identity.
+func (msg *MsgMixDCNet) Pub() []byte {
 	return msg.Identity[:]
 }
 
-// GetSignature returns the message signature.
-func (msg *MsgMixDCNet) GetSignature() []byte {
+// Sig returns the message signature.
+func (msg *MsgMixDCNet) Sig() []byte {
 	return msg.Signature[:]
 }
 
 // Expires returns the block height at which the message expires.
-func (msg *MsgMixDCNet) Expires() int64 {
+func (msg *MsgMixDCNet) Expires() uint32 {
 	return msg.Expiry
 }
 
@@ -293,7 +293,7 @@ func (msg *MsgMixDCNet) GetRun() uint32 {
 // NewMsgMixDCNet returns a new mixdcnet message that conforms to the Message
 // interface using the passed parameters and defaults for the remaining
 // fields.
-func NewMsgMixDCNet(identity [33]byte, sid [32]byte, expiry int64, run uint32,
+func NewMsgMixDCNet(identity [33]byte, sid [32]byte, expiry uint32, run uint32,
 	dcnet []MixVect, seenSlotReserves []chainhash.Hash) *MsgMixDCNet {
 
 	return &MsgMixDCNet{
diff --git a/wire/msgmixdcnet_test.go b/wire/msgmixdcnet_test.go
index cacd21f255..974d498534 100644
--- a/wire/msgmixdcnet_test.go
+++ b/wire/msgmixdcnet_test.go
@@ -35,7 +35,7 @@ func TestMixDCWire(t *testing.T) {
 	var sid [32]byte
 	copy(sid[:], repeat(0x82, 32))
 
-	const expiry = int64(0x0383838383838383)
+	const expiry = uint32(0x83838383)
 	const run = uint32(0x84848484)
 
 	mcount := 4
diff --git a/wire/msgmixkeyexchange.go b/wire/msgmixkeyexchange.go
index 467ebac289..204cb2ca7e 100644
--- a/wire/msgmixkeyexchange.go
+++ b/wire/msgmixkeyexchange.go
@@ -26,7 +26,7 @@ type MsgMixKeyExchange struct {
 	Signature  [64]byte
 	Identity   [33]byte
 	SessionID  [32]byte
-	Expiry     int64
+	Expiry     uint32
 	Run        uint32
 	ECDH       [33]byte   // Secp256k1 public key
 	PQPK       [1218]byte // Sntrup4591761 public key
@@ -180,21 +180,21 @@ func (msg *MsgMixKeyExchange) Command() string {
 // MaxPayloadLength returns the maximum length the payload can be for the
 // receiver.  This is part of the Message interface implementation.
 func (msg *MsgMixKeyExchange) MaxPayloadLength(pver uint32) uint32 {
-	return 17811
+	return 17807
 }
 
-// GetIdentity returns the message sender's public key identity.
-func (msg *MsgMixKeyExchange) GetIdentity() []byte {
+// Pub returns the message sender's public key identity.
+func (msg *MsgMixKeyExchange) Pub() []byte {
 	return msg.Identity[:]
 }
 
-// GetSignature returns the message signature.
-func (msg *MsgMixKeyExchange) GetSignature() []byte {
+// Sig returns the message signature.
+func (msg *MsgMixKeyExchange) Sig() []byte {
 	return msg.Signature[:]
 }
 
 // Expires returns the block height at which the message expires.
-func (msg *MsgMixKeyExchange) Expires() int64 {
+func (msg *MsgMixKeyExchange) Expires() uint32 {
 	return msg.Expiry
 }
 
@@ -216,7 +216,7 @@ func (msg *MsgMixKeyExchange) GetRun() uint32 {
 // NewMsgMixKeyExchange returns a new mixkeyxchg message that conforms to the
 // Message interface using the passed parameters and defaults for the
 // remaining fields.
-func NewMsgMixKeyExchange(identity [33]byte, sid [32]byte, expires int64, run uint32,
+func NewMsgMixKeyExchange(identity [33]byte, sid [32]byte, expires uint32, run uint32,
 	ecdh [33]byte, pqpk [1218]byte, commitment [32]byte, seenPRs []chainhash.Hash) *MsgMixKeyExchange {
 
 	return &MsgMixKeyExchange{
diff --git a/wire/msgmixkeyexchange_test.go b/wire/msgmixkeyexchange_test.go
index 81bcb920e8..783b05b93c 100644
--- a/wire/msgmixkeyexchange_test.go
+++ b/wire/msgmixkeyexchange_test.go
@@ -35,7 +35,7 @@ func TestMixKEWire(t *testing.T) {
 	var sid [32]byte
 	copy(sid[:], repeat(0x82, 32))
 
-	const expiry = int64(0x0383838383838383)
+	const expiry = uint32(0x83838383)
 	const run = uint32(0x84848484)
 
 	var ecdh [33]byte
diff --git a/wire/msgmixpairreq.go b/wire/msgmixpairreq.go
index d8d1c36525..7e8b8300ed 100644
--- a/wire/msgmixpairreq.go
+++ b/wire/msgmixpairreq.go
@@ -54,7 +54,7 @@ type MixPairReqUTXO struct {
 type MsgMixPairReq struct {
 	Signature    [64]byte
 	Identity     [33]byte
-	Expiry       int64
+	Expiry       uint32
 	MixAmount    int64
 	ScriptClass  string
 	TxVersion    uint16
@@ -353,18 +353,18 @@ func (msg *MsgMixPairReq) MaxPayloadLength(pver uint32) uint32 {
 	return MaxBlockPayload
 }
 
-// GetIdentity returns the message sender's public key identity.
-func (msg *MsgMixPairReq) GetIdentity() []byte {
+// Pub returns the message sender's public key identity.
+func (msg *MsgMixPairReq) Pub() []byte {
 	return msg.Identity[:]
 }
 
-// GetSignature returns the message signature.
-func (msg *MsgMixPairReq) GetSignature() []byte {
+// Sig returns the message signature.
+func (msg *MsgMixPairReq) Sig() []byte {
 	return msg.Signature[:]
 }
 
 // Expires returns the block height at which the message expires.
-func (msg *MsgMixPairReq) Expires() int64 {
+func (msg *MsgMixPairReq) Expires() uint32 {
 	return msg.Expiry
 }
 
@@ -386,7 +386,7 @@ func (msg *MsgMixPairReq) GetRun() uint32 {
 // NewMsgMixPairReq returns a new mixpairreq message that conforms to the
 // Message interface using the passed parameters and defaults for the
 // remaining fields.
-func NewMsgMixPairReq(identity [33]byte, expiry int64, mixAmount int64,
+func NewMsgMixPairReq(identity [33]byte, expiry uint32, mixAmount int64,
 	scriptClass string, txVersion uint16, lockTime, messageCount uint32,
 	inputValue int64, utxos []MixPairReqUTXO, change *TxOut) (*MsgMixPairReq, error) {
 
diff --git a/wire/msgmixpairreq_test.go b/wire/msgmixpairreq_test.go
index 66bb291369..f6db8f0acd 100644
--- a/wire/msgmixpairreq_test.go
+++ b/wire/msgmixpairreq_test.go
@@ -39,7 +39,7 @@ func TestMixPairReqWire(t *testing.T) {
 	var id [33]byte
 	copy(id[:], repeat(0x81, 33))
 
-	const expiry = int64(0x0282828282828282)
+	const expiry = uint32(0x82828282)
 	const mixAmount = int64(0x0383838383838383)
 	const sc = "P2PKH-secp256k1-v0"
 	const txVersion = uint16(0x8484)
diff --git a/wire/msgmixsecrets.go b/wire/msgmixsecrets.go
index c10b65c0e6..5e79dc872a 100644
--- a/wire/msgmixsecrets.go
+++ b/wire/msgmixsecrets.go
@@ -21,7 +21,7 @@ type MsgMixSecrets struct {
 	Signature       [64]byte
 	Identity        [33]byte
 	SessionID       [32]byte
-	Expiry          int64
+	Expiry          uint32
 	Run             uint32
 	Seed            [32]byte
 	SlotReserveMsgs [][]byte
@@ -193,21 +193,21 @@ func (msg *MsgMixSecrets) Command() string {
 // MaxPayloadLength returns the maximum length the payload can be for the
 // receiver.  This is part of the Message interface implementation.
 func (msg *MsgMixSecrets) MaxPayloadLength(pver uint32) uint32 {
-	return 67773
+	return 67769
 }
 
-// GetIdentity returns the message sender's public key identity.
-func (msg *MsgMixSecrets) GetIdentity() []byte {
+// Pub returns the message sender's public key identity.
+func (msg *MsgMixSecrets) Pub() []byte {
 	return msg.Identity[:]
 }
 
-// GetSignature returns the message signature.
-func (msg *MsgMixSecrets) GetSignature() []byte {
+// Sig returns the message signature.
+func (msg *MsgMixSecrets) Sig() []byte {
 	return msg.Signature[:]
 }
 
 // Expires returns the block height at which the message expires.
-func (msg *MsgMixSecrets) Expires() int64 {
+func (msg *MsgMixSecrets) Expires() uint32 {
 	return msg.Expiry
 }
 
@@ -233,7 +233,7 @@ func (msg *MsgMixSecrets) GetRun() uint32 {
 // NewMsgMixSecrets returns a new mixsecrets message that conforms to the
 // Message interface using the passed parameters and defaults for the
 // remaining fields.
-func NewMsgMixSecrets(identity [33]byte, sid [32]byte, expiry int64, run uint32,
+func NewMsgMixSecrets(identity [33]byte, sid [32]byte, expiry uint32, run uint32,
 	seed [32]byte, slotReserveMsgs [][]byte, dcNetMsgs [][]byte) *MsgMixSecrets {
 
 	return &MsgMixSecrets{
diff --git a/wire/msgmixsecrets_test.go b/wire/msgmixsecrets_test.go
index 8c044cf7f3..c2a0fe8cfe 100644
--- a/wire/msgmixsecrets_test.go
+++ b/wire/msgmixsecrets_test.go
@@ -34,7 +34,7 @@ func TestMixRSWire(t *testing.T) {
 	var sid [32]byte
 	copy(sid[:], repeat(0x82, 32))
 
-	const expiry = int64(0x0383838383838383)
+	const expiry = uint32(0x83838383)
 	const run = uint32(0x84848484)
 
 	var seed [32]byte
diff --git a/wire/msgmixslotreserve.go b/wire/msgmixslotreserve.go
index cf6d761c92..5ed889df0e 100644
--- a/wire/msgmixslotreserve.go
+++ b/wire/msgmixslotreserve.go
@@ -34,7 +34,7 @@ type MsgMixSlotReserve struct {
 	Signature       [64]byte
 	Identity        [33]byte
 	SessionID       [32]byte
-	Expiry          int64
+	Expiry          uint32
 	Run             uint32
 	DCMix           [][][]byte // mcount-by-peers matrix of field numbers
 	SeenCiphertexts []chainhash.Hash
@@ -269,21 +269,21 @@ func (msg *MsgMixSlotReserve) Command() string {
 // MaxPayloadLength returns the maximum length the payload can be for the
 // receiver.  This is part of the Message interface implementation.
 func (msg *MsgMixSlotReserve) MaxPayloadLength(pver uint32) uint32 {
-	return 17318038
+	return 17318034
 }
 
-// GetIdentity returns the message sender's public key identity.
-func (msg *MsgMixSlotReserve) GetIdentity() []byte {
+// Pub returns the message sender's public key identity.
+func (msg *MsgMixSlotReserve) Pub() []byte {
 	return msg.Identity[:]
 }
 
-// GetSignature returns the message signature.
-func (msg *MsgMixSlotReserve) GetSignature() []byte {
+// Sig returns the message signature.
+func (msg *MsgMixSlotReserve) Sig() []byte {
 	return msg.Signature[:]
 }
 
 // Expires returns the block height at which the message expires.
-func (msg *MsgMixSlotReserve) Expires() int64 {
+func (msg *MsgMixSlotReserve) Expires() uint32 {
 	return msg.Expiry
 }
 
@@ -305,7 +305,7 @@ func (msg *MsgMixSlotReserve) GetRun() uint32 {
 // NewMsgMixSlotReserve returns a new mixslotres message that conforms to the
 // Message interface using the passed parameters and defaults for the
 // remaining fields.
-func NewMsgMixSlotReserve(identity [33]byte, sid [32]byte, expires int64, run uint32,
+func NewMsgMixSlotReserve(identity [33]byte, sid [32]byte, expires uint32, run uint32,
 	dcmix [][][]byte, seenCTs []chainhash.Hash) *MsgMixSlotReserve {
 
 	return &MsgMixSlotReserve{
diff --git a/wire/msgmixslotreserve_test.go b/wire/msgmixslotreserve_test.go
index afcc9fc13f..f458b1e9ac 100644
--- a/wire/msgmixslotreserve_test.go
+++ b/wire/msgmixslotreserve_test.go
@@ -35,7 +35,7 @@ func TestMixSRWire(t *testing.T) {
 	var sid [32]byte
 	copy(sid[:], repeat(0x82, 32))
 
-	const expiry = int64(0x0383838383838383)
+	const expiry = uint32(0x83838383)
 	const run = uint32(0x84848484)
 
 	mcount := 4