From 34b34dfcb4705cc9d327453650f446225a9f4f0b Mon Sep 17 00:00:00 2001
From: Christophe Diederichs <chm-diederichs@protonmail.com>
Date: Thu, 16 Jan 2025 14:16:08 +0000
Subject: [PATCH 1/3] do not push dependency to atomic session

---
 index.js | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/index.js b/index.js
index 429e9f0..75196ce 100644
--- a/index.js
+++ b/index.js
@@ -212,13 +212,12 @@ class HypercoreStorage {
       version: this.core.version,
       corePointer: this.core.corePointer,
       dataPointer: this.core.dataPointer,
-      dependencies: this._addDependency({ dataPointer: this.core.dataPointer, length })
+      dependencies: this._addDependency()
     }
 
     const coreTx = new CoreTX(core, this.db, atom.view, [])
 
     if (length > 0) coreTx.setHead(head)
-    coreTx.setDependency(core.dependencies[core.dependencies.length - 1])
 
     await coreTx.flush()
 
@@ -231,7 +230,7 @@ class HypercoreStorage {
     for (let i = 0; i < this.core.dependencies.length; i++) {
       const d = this.core.dependencies[i]
 
-      if (d.length > dep.length) {
+      if (dep && d.length > dep.length) {
         deps.push({ dataPointer: d.dataPointer, length: dep.length })
         return deps
       }
@@ -239,7 +238,7 @@ class HypercoreStorage {
       deps.push(d)
     }
 
-    deps.push(dep)
+    if (dep) deps.push(dep)
     return deps
   }
 

From e3d10fbb30263993899da3677d78287c2096f0af Mon Sep 17 00:00:00 2001
From: Christophe Diederichs <chm-diederichs@protonmail.com>
Date: Fri, 17 Jan 2025 09:02:29 +0000
Subject: [PATCH 2/3] full copy snapshot dependencies

---
 index.js | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/index.js b/index.js
index 75196ce..5d1cd70 100644
--- a/index.js
+++ b/index.js
@@ -104,7 +104,7 @@ class HypercoreStorage {
   }
 
   snapshot () {
-    return new HypercoreStorage(this.store, this.db.snapshot(), this.core, this.view.snapshot(), this.atom)
+    return new HypercoreStorage(this.store, this.db.snapshot(), cloneCore(this.core), this.view.snapshot(), this.atom)
   }
 
   atomize (atom) {
@@ -704,3 +704,17 @@ function createColumnFamily (db) {
 
   return db.columnFamily(col)
 }
+
+function cloneCore (c) {
+  const copy = {
+    dataPointer: c.dataPointer,
+    corePointer: c.corePointer,
+    dependencies: []
+  }
+
+  for (const { dataPointer, length } of c.dependencies) {
+    copy.dependencies.push({ dataPointer, length })
+  }
+
+  return copy
+}

From 098092e29182782af380527ec050a8c0f6c4e49c Mon Sep 17 00:00:00 2001
From: Christophe Diederichs <chm-diederichs@protonmail.com>
Date: Fri, 17 Jan 2025 09:48:15 +0000
Subject: [PATCH 3/3] explicitly pass null

---
 index.js | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/index.js b/index.js
index 5d1cd70..67a1f5c 100644
--- a/index.js
+++ b/index.js
@@ -212,7 +212,7 @@ class HypercoreStorage {
       version: this.core.version,
       corePointer: this.core.corePointer,
       dataPointer: this.core.dataPointer,
-      dependencies: this._addDependency()
+      dependencies: this._addDependency(null)
     }
 
     const coreTx = new CoreTX(core, this.db, atom.view, [])
@@ -230,7 +230,7 @@ class HypercoreStorage {
     for (let i = 0; i < this.core.dependencies.length; i++) {
       const d = this.core.dependencies[i]
 
-      if (dep && d.length > dep.length) {
+      if (dep !== null && d.length > dep.length) {
         deps.push({ dataPointer: d.dataPointer, length: dep.length })
         return deps
       }
@@ -238,7 +238,7 @@ class HypercoreStorage {
       deps.push(d)
     }
 
-    if (dep) deps.push(dep)
+    if (dep !== null) deps.push(dep)
     return deps
   }