Extended tx_context with "blob base fee"

Extended `tx_context` with the [EIP-7516](https://eips.ethereum.org/EIPS/eip-7516) "blob base fee" for the `BLOBBASEFEE` EVM instruction.
ethereum · Sep 21, 2023 · e45979d · e45979d
1 parent 4c12b57
commit e45979d
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -9,8 +9,11 @@ and this project adheres to [Semantic Versioning].
 
 ### Added
 
-- Extended `tx_context` with [EIP-4844](https://eips.ethereum.org/EIPS/eip-4844) blob hashes
+- Extended `tx_context` with the [EIP-4844](https://eips.ethereum.org/EIPS/eip-4844) blob hashes
   [#691](https://github.com/ethereum/evmc/pull/691)
+- Extended `tx_context` with the [EIP-7516](https://eips.ethereum.org/EIPS/eip-7516) "blob base fee"
+  for the `BLOBBASEFEE` EVM instruction.
+  [#696](https://github.com/ethereum/evmc/pull/696)
 - Added [EIP-1153](https://eips.ethereum.org/EIPS/eip-1153) transient storage support
   [#693](https://github.com/ethereum/evmc/pull/693)
 

diff --git a/bindings/rust/evmc-vm/src/container.rs b/bindings/rust/evmc-vm/src/container.rs
@@ -102,6 +102,7 @@ mod tests {
             block_prev_randao: Uint256::default(),
             chain_id: Uint256::default(),
             block_base_fee: Uint256::default(),
+            blob_base_fee: Uint256::default(),
             blob_hashes: std::ptr::null(),
             blob_hashes_count: 0,
         }

diff --git a/include/evmc/evmc.h b/include/evmc/evmc.h
@@ -202,6 +202,7 @@ struct evmc_tx_context
     evmc_uint256be block_prev_randao; /**< The block previous RANDAO (EIP-4399). */
     evmc_uint256be chain_id;          /**< The blockchain's ChainID. */
     evmc_uint256be block_base_fee;    /**< The block base fee per gas (EIP-1559, EIP-3198). */
+    evmc_uint256be blob_base_fee;     /**< The blob base fee (EIP-7516). */
     const evmc_bytes32* blob_hashes;  /**< The array of blob hashes (EIP-4844). */
     size_t blob_hashes_count;         /**< The number of blob hashes (EIP-4844). */
 };