From c06a94bcb99410a813d704025ee91f9d540ff6ef Mon Sep 17 00:00:00 2001
From: Emery Hemingway <ehmry@posteo.net>
Date: Fri, 9 Jun 2023 18:50:57 +0100
Subject: [PATCH] Noise stuff

---
 src/syndicate/noise_tunnels.nim | 46 +++++++++++++++++++++++++++++++++
 syndicate.nimble                |  2 +-
 2 files changed, 47 insertions(+), 1 deletion(-)
 create mode 100644 src/syndicate/noise_tunnels.nim

diff --git a/src/syndicate/noise_tunnels.nim b/src/syndicate/noise_tunnels.nim
new file mode 100644
index 0000000..807a0e6
--- /dev/null
+++ b/src/syndicate/noise_tunnels.nim
@@ -0,0 +1,46 @@
+# SPDX-FileCopyrightText: ☭ Emery Hemingway
+# SPDX-License-Identifier: Unlicense
+
+import std/options
+import preserves
+import ./actors, ./durings, ./protocols/[protocol, sturdy]
+
+import noiseprotocol
+const cipher = CIPHER.CHACHAPOLY
+
+type Value = Preserve[void]
+
+func protocolName(spec: Value): string =
+  if spec.isDictionary:
+    var o = step(spec, toSymbol"protocol")
+    if o.isNone:
+      result = "Noise_NK_25519_ChaChaPoly_BLAKE2s" # TODO: this is in the schema.
+    else:
+      discard fromPreserve(result, get o)
+
+proc prologue(spec: Value): seq[byte] =
+  if spec.isDictionary:
+    var o = step(spec, toSymbol"service")
+    if o.isSome: result = encode(get o)
+
+func preSharedKey(spec: Value): seq[seq[byte]] =
+  if spec.isDictionary:
+    var o = step(spec, toSymbol"preSharedKeys")
+    if o.isSome:
+      discard fromPreserve(result, get o)
+
+proc noiseStep*(turn: var actors.Turn; ds: Ref) =
+  discard
+  #[
+  let pat = ?Observe(pattern: dropType(ResolvedPathStep)) ?? {1: grabLit()}
+  during(turn, ds, pat) do (noiseDetailLit: Value):
+     stderr.writeLine("should do something with noise detail ", noiseDetailLit)
+     var spec = noiseDetailLit
+     let proto = protocolName(spec)
+     if proto != "":
+       let handshake = newByName(proto, ROLE.INITIATOR)
+       defer: destroy(handshake)
+       var prologue = prologue(spec)
+       if len(prologue) > 0: setPrologue(handshake, prologue)
+       var preSharedKeys = preSharedKeys(spec)
+       ]#
diff --git a/syndicate.nimble b/syndicate.nimble
index 91cdcbd..cb5982d 100644
--- a/syndicate.nimble
+++ b/syndicate.nimble
@@ -1,6 +1,6 @@
 # Package
 
-version = "20230608"
+version = "20230609"
 author        = "Emery Hemingway"
 description   = "Syndicated actors for conversational concurrency"
 license       = "Unlicense"