From e069033f9a67ccbb60cc64068995d3a7bcfea8f7 Mon Sep 17 00:00:00 2001
From: Andre Staltz <andre@staltz.com>
Date: Thu, 21 Dec 2023 12:44:53 +0200
Subject: [PATCH] setGhostSpan

---
 lib/index.js       | 12 +++++++++++-
 test/index.test.js |  5 +++--
 test/util.js       | 11 ++++++-----
 3 files changed, 20 insertions(+), 8 deletions(-)

diff --git a/lib/index.js b/lib/index.js
index f5f6072..ad5cdce 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -77,7 +77,7 @@ function assertDBPlugin(peer) {
 function initDict(peer, config) {
   assertDBPlugin(peer)
 
-  const ghostSpan = config.dict?.ghostSpan ?? 32
+  let ghostSpan = config.dict?.ghostSpan ?? 32
   if (ghostSpan < 1) throw new Error('config.dict.ghostSpan must be >= 0')
 
   //#region state
@@ -458,6 +458,15 @@ function initDict(peer, config) {
     return ghostSpan
   }
 
+  /**
+   * @param {number} span
+   * @returns {void}
+   */
+  function setGhostSpan(span) {
+    if (span < 1) throw new Error('ghostSpan must be >= 0')
+    ghostSpan = span
+  }
+
   /**
    * @public
    * @param {string} subdomain
@@ -516,6 +525,7 @@ function initDict(peer, config) {
     getFeedID,
     isGhostable,
     getGhostSpan,
+    setGhostSpan,
     minGhostDepth,
     minRequiredDepth,
     squeeze,
diff --git a/test/index.test.js b/test/index.test.js
index 8688856..d401626 100644
--- a/test/index.test.js
+++ b/test/index.test.js
@@ -29,8 +29,8 @@ let aliceID
 test('setup', async (t) => {
   peer = createPeer({
     keypair: aliceKeypair,
-    path: DIR,
-    dict: { ghostSpan: 4 },
+    db: {path: DIR},
+    dict: { ghostSpan: 40 },
   })
 
   await peer.db.loaded()
@@ -41,6 +41,7 @@ test('setup', async (t) => {
   })
   await p(peer.dict.load)(aliceID)
 
+  peer.dict.setGhostSpan(4)
   assert.equal(peer.dict.getGhostSpan(), 4, 'getGhostSpan')
 })
 
diff --git a/test/util.js b/test/util.js
index 0d8e070..5f7cb3d 100644
--- a/test/util.js
+++ b/test/util.js
@@ -1,19 +1,20 @@
-const os = require('node:os')
-const path = require('node:path')
+const OS = require('node:os')
+const Path = require('node:path')
 const rimraf = require('rimraf')
 const caps = require('ppppp-caps')
 const Keypair = require('ppppp-keypair')
 
 function createPeer(opts) {
   if (opts.name) {
-    opts.path ??= path.join(os.tmpdir(), 'tanglesync-' + opts.name)
+    const tmp = OS.tmpdir()
+    opts.db ??= {path: Path.join(tmp, `ppppp-dict-${opts.name}-${Date.now()}`)}
     opts.keypair ??= Keypair.generate('ed25519', opts.name)
     opts.name = undefined
   }
-  if (!opts.path) throw new Error('need opts.path in createPeer()')
+  if (!opts.db.path) throw new Error('need opts.path in createPeer()')
   if (!opts.keypair) throw new Error('need opts.keypair in createPeer()')
 
-  rimraf.sync(opts.path)
+  rimraf.sync(opts.db.path)
   return require('secret-stack/bare')()
     .use(require('secret-stack/plugins/net'))
     .use(require('secret-handshake-ext/secret-stack'))