start preparing for gutting of libsodium dependancy

contrib/backends/srndv2/Makefile

@@ -1,10 +1,11 @@
 REPO=$(shell dirname $(realpath $(lastword $(MAKEFILE_LIST))))
 
-all: clean build
-
-build: srndv2
+all: srndv2
 
 srndv2:
+	GOPATH=$(REPO) go build -v -tags libsodium
+
+pure:
 	GOPATH=$(REPO) go build -v
 
 clean:

contrib/backends/srndv2/src/srnd/cryptography.go

@@ -0,0 +1,29 @@
+// +build !libsodium
+
+package srnd
+
+import (
+	"golang.org/x/crypto/curve25519"
+)
+
+func naclCryptoVerifyFucky(h, sig, pk []byte) bool {
+	return false
+}
+
+func naclCryptoSignFucky(hash, sk []byte) []byte {
+	return nil
+}
+
+func naclCryptoVerifyDetached(hash, sig, pk []byte) bool {
+	return false
+}
+
+func naclCryptoSignDetached(hash, sk []byte) []byte {
+	return nil
+}
+
+func naclSeedToKeyPair(seed []byte) (pk, sk []byte) {
+	return
+}
+
+var naclScalarBaseMult = curve25519.ScalarBaseMult

contrib/backends/srndv2/src/srnd/nacl_crypto.go

@@ -1,3 +1,5 @@
+// +build libsodium
+
 package srnd
 
 import (