Use Uint256 for base_fee_per_gas

Author: paulhauner

consensus/state_processing/src/genesis.rs

@@ -71,7 +71,7 @@ pub fn initialize_beacon_state_from_eth1<T: EthSpec>(
             timestamp: eth1_timestamp,
             random: eth1_block_hash,
             gas_limit: GENESIS_GAS_LIMIT,
-            base_fee_per_gas: GENESIS_BASE_FEE_PER_GAS,
+            base_fee_per_gas: Uint256::from_little_endian(&GENESIS_BASE_FEE_PER_GAS),
             ..ExecutionPayloadHeader::default()
         };
     }

consensus/types/src/consts.rs

@@ -21,11 +21,10 @@ pub mod altair {
 }
 
 pub mod merge_testing {
-    use ethereum_types::H256;
     pub const GENESIS_GAS_LIMIT: u64 = 30_000_000;
-    pub const GENESIS_BASE_FEE_PER_GAS: H256 = H256([
+    pub const GENESIS_BASE_FEE_PER_GAS: [u8; 32] = [
         0x00, 0xca, 0x9a, 0x3b, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
         0x00, 0x00,
-    ]);
+    ];
 }

consensus/types/src/execution_payload.rs

@@ -59,7 +59,7 @@ pub struct ExecutionPayload<T: EthSpec> {
     pub timestamp: u64,
     #[serde(with = "ssz_types::serde_utils::hex_var_list")]
     pub extra_data: VariableList<u8, T::MaxExtraDataBytes>,
-    pub base_fee_per_gas: Hash256,
+    pub base_fee_per_gas: Uint256,
     pub block_hash: Hash256,
     #[test_random(default)]
     pub transactions: VariableList<Transaction<T>, T::MaxTransactionsPerPayload>,
@@ -80,7 +80,7 @@ impl<T: EthSpec> ExecutionPayload<T> {
             gas_used: 0,
             timestamp: 0,
             extra_data: VariableList::empty(),
-            base_fee_per_gas: Hash256::zero(),
+            base_fee_per_gas: Uint256::zero(),
             block_hash: Hash256::zero(),
             transactions: VariableList::empty(),
         }

consensus/types/src/execution_payload_header.rs

@@ -26,7 +26,7 @@ pub struct ExecutionPayloadHeader<T: EthSpec> {
     pub timestamp: u64,
     #[serde(with = "ssz_types::serde_utils::hex_var_list")]
     pub extra_data: VariableList<u8, T::MaxExtraDataBytes>,
-    pub base_fee_per_gas: Hash256,
+    pub base_fee_per_gas: Uint256,
     pub block_hash: Hash256,
     pub transactions_root: Hash256,
 }