From 4fd31816121979952fa891224f82fc6af36b95ec Mon Sep 17 00:00:00 2001
From: smypmsa <antonsauchyk@gmail.com>
Date: Fri, 1 Aug 2025 05:05:55 +0000
Subject: [PATCH] feat(examples): update bonding curve buy instructions

---
 learning-examples/manual_buy.py   | 23 +++++++++++++++++++++++
 learning-examples/mint_and_buy.py | 23 +++++++++++++++++++++++
 2 files changed, 46 insertions(+)

diff --git a/learning-examples/manual_buy.py b/learning-examples/manual_buy.py
index b609bfc..a9b234d 100644
--- a/learning-examples/manual_buy.py
+++ b/learning-examples/manual_buy.py
@@ -104,6 +104,27 @@ def _find_creator_vault(creator: Pubkey) -> Pubkey:
     return derived_address
 
 
+def _find_global_volume_accumulator() -> Pubkey:
+    derived_address, _ = Pubkey.find_program_address(
+        [
+            b"global_volume_accumulator"
+        ],
+        PUMP_PROGRAM,
+        )
+    return derived_address
+
+
+def _find_user_volume_accumulator(user: Pubkey) -> Pubkey:
+    derived_address, _ = Pubkey.find_program_address(
+        [
+            b"user_volume_accumulator",
+            bytes(user)
+        ],
+        PUMP_PROGRAM,
+        )
+    return derived_address
+
+
 async def buy_token(
     mint: Pubkey,
     bonding_curve: Pubkey,
@@ -153,6 +174,8 @@ async def buy_token(
                 pubkey=PUMP_EVENT_AUTHORITY, is_signer=False, is_writable=False
             ),
             AccountMeta(pubkey=PUMP_PROGRAM, is_signer=False, is_writable=False),
+            AccountMeta(pubkey=_find_global_volume_accumulator(), is_signer=False, is_writable=True),
+            AccountMeta(pubkey=_find_user_volume_accumulator(payer.pubkey()), is_signer=False, is_writable=True),
         ]
 
         discriminator = struct.pack("<Q", 16927863322537952870)
diff --git a/learning-examples/mint_and_buy.py b/learning-examples/mint_and_buy.py
index 4e5f23e..bb58b51 100644
--- a/learning-examples/mint_and_buy.py
+++ b/learning-examples/mint_and_buy.py
@@ -101,6 +101,27 @@ def find_creator_vault(creator: Pubkey) -> Pubkey:
     return derived_address
 
 
+def _find_global_volume_accumulator() -> Pubkey:
+    derived_address, _ = Pubkey.find_program_address(
+        [
+            b"global_volume_accumulator"
+        ],
+        PUMP_PROGRAM,
+        )
+    return derived_address
+
+
+def _find_user_volume_accumulator(user: Pubkey) -> Pubkey:
+    derived_address, _ = Pubkey.find_program_address(
+        [
+            b"user_volume_accumulator",
+            bytes(user)
+        ],
+        PUMP_PROGRAM,
+        )
+    return derived_address
+
+
 def create_pump_create_instruction(
     mint: Pubkey,
     mint_authority: Pubkey,
@@ -177,6 +198,8 @@ def create_buy_instruction(
         AccountMeta(pubkey=creator_vault, is_signer=False, is_writable=True),
         AccountMeta(pubkey=PUMP_EVENT_AUTHORITY, is_signer=False, is_writable=False),
         AccountMeta(pubkey=PUMP_PROGRAM, is_signer=False, is_writable=False),
+        AccountMeta(pubkey=_find_global_volume_accumulator(), is_signer=False, is_writable=True),
+        AccountMeta(pubkey=_find_user_volume_accumulator(user), is_signer=False, is_writable=True),
     ]
     
     data = (