Add EncodeMtgMemo

Author: hundredark

go.mod

@@ -4,7 +4,7 @@ go 1.22.2
 
 require (
 	github.com/MixinNetwork/mixin v0.18.5
-	github.com/MixinNetwork/trusted-group v0.6.2-0.20240514075940-fd36e5801587
+	github.com/MixinNetwork/trusted-group v0.6.2-0.20240530105623-41d1602b332a
 	github.com/btcsuite/btcd v0.23.4
 	github.com/btcsuite/btcd/btcec/v2 v2.3.2
 	github.com/btcsuite/btcd/btcutil v1.1.3

go.sum

@@ -11,6 +11,8 @@ github.com/MixinNetwork/mixin v0.18.5 h1:X9WunhpAwOfynjgc0MjseesJSsuMov3XOeT12xr
 github.com/MixinNetwork/mixin v0.18.5/go.mod h1:4q18tY4LXnkOMmo7fl6ezXxc8J+N+o3Hx06Zh3/aj0I=
 github.com/MixinNetwork/trusted-group v0.6.2-0.20240514075940-fd36e5801587 h1:UiL4I2jefaPYCRypyIgJEI867dQ7fSTPalJ0HJi27Hs=
 github.com/MixinNetwork/trusted-group v0.6.2-0.20240514075940-fd36e5801587/go.mod h1:RkQzsoZrlG9lYcLJZaGDZIQ82N8AGDTQzibWZ27xB+E=
+github.com/MixinNetwork/trusted-group v0.6.2-0.20240530105623-41d1602b332a h1:oBe049BFPaJYqfkxAnBQVksiVzo/sNw/sIDM1ChJelk=
+github.com/MixinNetwork/trusted-group v0.6.2-0.20240530105623-41d1602b332a/go.mod h1:RkQzsoZrlG9lYcLJZaGDZIQ82N8AGDTQzibWZ27xB+E=
 github.com/VictoriaMetrics/fastcache v1.12.1 h1:i0mICQuojGDL3KblA7wUNlY5lOK6a4bwt3uRKnkZU40=
 github.com/VictoriaMetrics/fastcache v1.12.1/go.mod h1:tX04vaqcNoQeGLD+ra5pU5sWkuxnzWhEzLwhP9w653o=
 github.com/aead/siphash v1.0.1 h1:FwHfE/T45KPKYuuSAKyyvE+oPWcaQ+CUmFW0bPlM+kg=

types/operation.go

@@ -5,6 +5,7 @@ import (
 	"encoding/hex"
 
 	"github.com/MixinNetwork/mixin/common"
+	"github.com/MixinNetwork/trusted-group/mtg"
 	"github.com/gofrs/uuid/v5"
 )
 
@@ -47,6 +48,10 @@ func (o *Operation) EncodeBase64() string {
 	return base64.RawURLEncoding.EncodeToString(o.Encode())
 }
 
+func (o *Operation) EncodeMtgMemo(appId, traceId string) string {
+	return mtg.EncodeMixinExtra(appId, traceId, string(o.Encode()))
+}
+
 func (o *Operation) IdBytes() []byte {
 	uid, err := uuid.FromString(o.Id)
 	if err != nil {