chore(forks): update bpo hardfork params to match testnet (#2234)

* chore(forks): update bpo hardfork params to match testnet.

* feat(execute): Update eth-config networks.yml

---------

Co-authored-by: Mario Vega <[email protected]>

Author: spencer-tb

src/ethereum_test_forks/forks/forks.py

@@ -1840,31 +1840,31 @@ def blob_base_cost(cls, block_number: int = 0, timestamp: int = 0) -> int:
 
 
 class BPO1(Osaka, bpo_fork=True):
-    """BPO1 fork - Blob Parameter Only fork 1."""
+    """Mainnet BPO1 fork - Blob Parameter Only fork 1."""
 
     @classmethod
     def blob_base_fee_update_fraction(cls, block_number: int = 0, timestamp: int = 0) -> int:
         """Return the blob base fee update fraction for BPO1."""
-        return 8832827
+        return 8346193
 
     @classmethod
     def target_blobs_per_block(cls, block_number: int = 0, timestamp: int = 0) -> int:
-        """Blobs in BPO1 have a target of 9 blobs per block."""
-        return 9
+        """Blobs in BPO1 have a target of 10 blobs per block."""
+        return 10
 
     @classmethod
     def max_blobs_per_block(cls, block_number: int = 0, timestamp: int = 0) -> int:
-        """Blobs in BPO1 have a max of 14 blobs per block."""
-        return 14
+        """Blobs in BPO1 have a max of 15 blobs per block."""
+        return 15
 
 
 class BPO2(BPO1, bpo_fork=True):
-    """BPO2 fork - Blob Parameter Only fork 2."""
+    """Mainnet BPO2 fork - Blob Parameter Only fork 2."""
 
     @classmethod
     def blob_base_fee_update_fraction(cls, block_number: int = 0, timestamp: int = 0) -> int:
         """Return the blob base fee update fraction for BPO2."""
-        return 13739630
+        return 11684671
 
     @classmethod
     def target_blobs_per_block(cls, block_number: int = 0, timestamp: int = 0) -> int:
@@ -1878,7 +1878,10 @@ def max_blobs_per_block(cls, block_number: int = 0, timestamp: int = 0) -> int:
 
 
 class BPO3(BPO2, bpo_fork=True):
-    """BPO3 fork - Blob Parameter Only fork 3."""
+    """
+    Pseudo BPO3 fork - Blob Parameter Only fork 3.
+    For testing purposes only.
+    """
 
     @classmethod
     def blob_base_fee_update_fraction(cls, block_number: int = 0, timestamp: int = 0) -> int:
@@ -1897,7 +1900,10 @@ def max_blobs_per_block(cls, block_number: int = 0, timestamp: int = 0) -> int:
 
 
 class BPO4(BPO3, bpo_fork=True):
-    """BPO4 fork - Blob Parameter Only fork 4."""
+    """
+    Pseudo BPO4 fork - Blob Parameter Only fork 4.
+    For testing purposes only. Testing a decrease in values from BPO3.
+    """
 
     @classmethod
     def blob_base_fee_update_fraction(cls, block_number: int = 0, timestamp: int = 0) -> int:
@@ -1917,8 +1923,8 @@ def max_blobs_per_block(cls, block_number: int = 0, timestamp: int = 0) -> int:
 
 class BPO5(BPO4, bpo_fork=True):
     """
-    BPO5 fork - Blob Parameter Only fork 5 (Required to parse Fusaka devnet
-    genesis files).
+    Pseudo BPO5 fork - Blob Parameter Only fork 5.
+    For testing purposes only. Required to parse Fusaka devnet genesis files.
     """
 
     pass

src/pytest_plugins/execute/eth_config/networks.yml

@@ -27,6 +27,18 @@ Mainnet:
       target: 6
       max: 9
       baseFeeUpdateFraction: 5007716
+    Osaka:
+      target: 6
+      max: 9
+      baseFeeUpdateFraction: 5007716
+    BPO1:
+      target: 10
+      max: 15
+      baseFeeUpdateFraction: 8346193
+    BPO2:
+      target: 14
+      max: 21
+      baseFeeUpdateFraction: 11684671
 
 Sepolia:
   chainId:              0xaa36a7
@@ -37,6 +49,9 @@ Sepolia:
     Shanghai:           1677557088
     Cancun:             1706655072
     Prague:             1741159776
+    Osaka:              1760427360
+    BPO1:               1761017184
+    BPO2:               1761607008
   blobSchedule:
     Cancun:
       target: 3
@@ -46,6 +61,18 @@ Sepolia:
       target: 6
       max: 9
       baseFeeUpdateFraction: 5007716
+    Osaka:
+      target: 6
+      max: 9
+      baseFeeUpdateFraction: 5007716
+    BPO1:
+      target: 10
+      max: 15
+      baseFeeUpdateFraction: 8346193
+    BPO2:
+      target: 14
+      max: 21
+      baseFeeUpdateFraction: 11684671
   addressOverrides:
     0x00000000219ab540356cbb839cbe05303d7705fa: 0x7f02c3e3c98b133055b8b348b2ac625669ed295d
 
@@ -55,6 +82,9 @@ Hoodi:
   forkActivationTimes:
     Cancun:             0
     Prague:             1742999832
+    Osaka:              1761677592
+    BPO1:               1762365720
+    BPO2:               1762955544
   blobSchedule:
     Cancun:
       target: 3
@@ -64,6 +94,18 @@ Hoodi:
       target: 6
       max: 9
       baseFeeUpdateFraction: 5007716
+    Osaka:
+      target: 6
+      max: 9
+      baseFeeUpdateFraction: 5007716
+    BPO1:
+      target: 10
+      max: 15
+      baseFeeUpdateFraction: 8346193
+    BPO2:
+      target: 14
+      max: 21
+      baseFeeUpdateFraction: 11684671
 
 Holesky:
   chainId:              0x4268
@@ -73,6 +115,9 @@ Holesky:
     Shanghai:           1696000704
     Cancun:             1707305664
     Prague:             1740434112
+    Osaka:              1759308480
+    BPO1:               1759800000
+    BPO2:               1760389824
   addressOverrides:
     0x00000000219ab540356cbb839cbe05303d7705fa: 0x4242424242424242424242424242424242424242
   blobSchedule:
@@ -83,4 +128,16 @@ Holesky:
     Prague:
       target: 6
       max: 9
-      baseFeeUpdateFraction: 5007716
+      baseFeeUpdateFraction: 5007716
+    Osaka:
+      target: 6
+      max: 9
+      baseFeeUpdateFraction: 5007716
+    BPO1:
+      target: 10
+      max: 15
+      baseFeeUpdateFraction: 8346193
+    BPO2:
+      target: 14
+      max: 21
+      baseFeeUpdateFraction: 11684671