perms: move perms.go into taprpc

The Lightning Node Connect WASM client requires access to `perms.go` for
RPC endpoint-related permissions. We move it into taprpc so that the
WASM build only needs to depend on the taprpc module, without importing
the entire taproot-assets module.

Author: ffranr

server.go

@@ -17,7 +17,6 @@ import (
 	"github.com/lightninglabs/taproot-assets/address"
 	"github.com/lightninglabs/taproot-assets/fn"
 	"github.com/lightninglabs/taproot-assets/monitoring"
-	"github.com/lightninglabs/taproot-assets/perms"
 	"github.com/lightninglabs/taproot-assets/rfqmsg"
 	"github.com/lightninglabs/taproot-assets/rpcperms"
 	"github.com/lightninglabs/taproot-assets/tapchannel"
@@ -133,7 +132,7 @@ func (s *Server) initialize(interceptorChain *rpcperms.InterceptorChain) error {
 				Checkers: []macaroons.Checker{
 					macaroons.IPLockChecker,
 				},
-				RequiredPerms: perms.RequiredPermissions,
+				RequiredPerms: taprpc.RequiredPermissions,
 			},
 		)
 		if err != nil {
@@ -158,7 +157,7 @@ func (s *Server) initialize(interceptorChain *rpcperms.InterceptorChain) error {
 
 			// Register all our known permission with the macaroon
 			// service.
-			for method, ops := range perms.RequiredPermissions {
+			for method, ops := range taprpc.RequiredPermissions {
 				err := interceptorChain.AddPermission(
 					method, ops,
 				)
@@ -311,7 +310,7 @@ func (s *Server) RunUntilShutdown(mainErrChan <-chan error) error {
 	serverOpts := s.cfg.GrpcServerOpts
 
 	// Get RPC endpoints which don't require macaroons.
-	macaroonWhitelist := perms.MacaroonWhitelist(
+	macaroonWhitelist := taprpc.MacaroonWhitelist(
 		s.cfg.UniversePublicAccess.IsReadAccessGranted(),
 		s.cfg.UniversePublicAccess.IsWriteAccessGranted(),
 		s.cfg.RPCConfig.AllowPublicUniProofCourier,

taprpc/go.mod

@@ -7,6 +7,7 @@ require (
 	github.com/lightningnetwork/lnd v0.19.0-beta.rc2.0.20250423092132-a35ace7371af
 	google.golang.org/grpc v1.64.1
 	google.golang.org/protobuf v1.34.2
+	gopkg.in/macaroon-bakery.v2 v2.1.0
 )
 
 require (
@@ -174,7 +175,6 @@ require (
 	google.golang.org/genproto/googleapis/api v0.0.0-20240513163218-0867130af1f8 // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20240513163218-0867130af1f8 // indirect
 	gopkg.in/errgo.v1 v1.0.1 // indirect
-	gopkg.in/macaroon-bakery.v2 v2.0.1 // indirect
 	gopkg.in/macaroon.v2 v2.0.0 // indirect
 	gopkg.in/natefinch/lumberjack.v2 v2.0.0 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect

taprpc/go.sum

@@ -728,8 +728,8 @@ gopkg.in/errgo.v1 v1.0.1/go.mod h1:3NjfXwocQRYAPTq4/fzX+CwUhPRcR/azYRhj8G+LqMo=
 gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
 gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
 gopkg.in/inconshreveable/log15.v2 v2.0.0-20180818164646-67afb5ed74ec/go.mod h1:aPpfJ7XW+gOuirDoZ8gHhLh3kZ1B08FtV2bbmy7Jv3s=
-gopkg.in/macaroon-bakery.v2 v2.0.1 h1:0N1TlEdfLP4HXNCg7MQUMp5XwvOoxk+oe9Owr2cpvsc=
-gopkg.in/macaroon-bakery.v2 v2.0.1/go.mod h1:B4/T17l+ZWGwxFSZQmlBwp25x+og7OkhETfr3S9MbIA=
+gopkg.in/macaroon-bakery.v2 v2.1.0 h1:9Jw/+9XHBSutkaeVpWhDx38IcSNLJwWUICkOK98DHls=
+gopkg.in/macaroon-bakery.v2 v2.1.0/go.mod h1:B4/T17l+ZWGwxFSZQmlBwp25x+og7OkhETfr3S9MbIA=
 gopkg.in/macaroon.v2 v2.0.0 h1:LVWycAfeJBUjCIqfR9gqlo7I8vmiXRr51YEOZ1suop8=
 gopkg.in/macaroon.v2 v2.0.0/go.mod h1:+I6LnTMkm/uV5ew/0nsulNjL16SK4+C8yDmRUzHR17I=
 gopkg.in/natefinch/lumberjack.v2 v2.0.0 h1:1Lc07Kr7qY4U2YPouBjpCLxpiyxIVoxqXgkXLknAOE8=

perms/perms.go renamed to taprpc/perms.go

@@ -1,4 +1,4 @@
-package perms
+package taprpc
 
 import "gopkg.in/macaroon-bakery.v2/bakery"