Feat/add withdrawals root

ethers-core/src/types/block.rs

@@ -84,6 +84,10 @@ pub struct Block<TX> {
     /// Base fee per unit of gas (if past London)
     #[serde(rename = "baseFeePerGas")]
     pub base_fee_per_gas: Option<U256>,
+    /// Withdrawals root hash (EIP-4895)
+    #[serde(rename = "withdrawalsRoot")]
+    #[cfg(not(feature = "celo"))]
+    pub withdrawals_root: Option<H256>,
 
     #[cfg(feature = "celo")]
     #[cfg_attr(docsrs, doc(cfg(feature = "celo")))]
@@ -218,6 +222,7 @@ impl Block<TxHash> {
                 mix_hash,
                 nonce,
                 base_fee_per_gas,
+                withdrawals_root,
                 other,
                 ..
             } = self;
@@ -243,6 +248,7 @@ impl Block<TxHash> {
                 mix_hash,
                 nonce,
                 base_fee_per_gas,
+                withdrawals_root,
                 transactions,
                 other,
             }
@@ -322,6 +328,7 @@ impl From<Block<Transaction>> for Block<TxHash> {
                 mix_hash,
                 nonce,
                 base_fee_per_gas,
+                withdrawals_root,
                 other,
             } = full;
             Block {
@@ -346,6 +353,7 @@ impl From<Block<Transaction>> for Block<TxHash> {
                 mix_hash,
                 nonce,
                 base_fee_per_gas,
+                withdrawals_root,
                 transactions: transactions.iter().map(|tx| tx.hash).collect(),
                 other,
             }