min_gas_price becomes min_effective_priority_fee (effective_gas_price - base_fee)

bin/oe/cli/mod.rs

@@ -680,7 +680,7 @@ usage! {
 
             ARG arg_min_gas_price: (Option<u64>) = None, or |c: &Config| c.mining.as_ref()?.min_gas_price.clone(),
             "--min-gas-price=[STRING]",
-            "Minimum amount of Wei per GAS to be paid for a transaction to be accepted for mining. Overrides --usd-per-tx.",
+            "Minimum amount of Wei per GAS to be paid for a transaction on top of base fee, to be accepted for mining. Overrides --usd-per-tx.",
 
             ARG arg_gas_price_percentile: (usize) = 50usize, or |c: &Config| c.mining.as_ref()?.gas_price_percentile,
             "--gas-price-percentile=[PCT]",

crates/concensus/miner/src/pool/queue.rs

@@ -659,7 +659,10 @@ impl TransactionQueue {
             Some(tx) => tx
                 .signed()
                 .effective_gas_price(self.options.read().block_base_fee),
-            None => self.options.read().minimal_gas_price,
+            None => {
+                self.options.read().minimal_gas_price
+                    + self.options.read().block_base_fee.unwrap_or_default()
+            }
         }
     }
 

crates/concensus/miner/src/pool/verifier.rs

@@ -42,7 +42,7 @@ use super::{
 /// Verification options.
 #[derive(Debug, Clone, PartialEq)]
 pub struct Options {
-    /// Minimal allowed gas price.
+    /// Minimal allowed gas price (actually minimal block producer reward = effective_priority_fee).
     pub minimal_gas_price: U256,
     /// Current block gas limit.
     pub block_gas_limit: U256,
@@ -122,6 +122,24 @@ impl Transaction {
         }
     }
 
+    /// Return effective fee - part of the transaction fee that goes to the miner
+    pub fn effective_priority_fee(&self, block_base_fee: Option<U256>) -> U256 {
+        match *self {
+            Transaction::Unverified(ref tx) => tx.effective_priority_fee(block_base_fee),
+            Transaction::Retracted(ref tx) => tx.effective_priority_fee(block_base_fee),
+            Transaction::Local(ref tx) => tx.effective_priority_fee(block_base_fee),
+        }
+    }
+
+    /// Cheeck if transaction is service transaction
+    pub fn is_service(&self) -> bool {
+        match *self {
+            Transaction::Unverified(ref tx) => tx.is_service(),
+            Transaction::Retracted(ref tx) => tx.is_service(),
+            Transaction::Local(ref tx) => tx.is_service(),
+        }
+    }
+
     fn transaction(&self) -> &transaction::TypedTransaction {
         match *self {
             Transaction::Unverified(ref tx) => &*tx,
@@ -225,24 +243,26 @@ impl<C: Client> txpool::Verifier<Transaction>
         }
 
         let is_own = tx.is_local();
-        let gas_price = tx.effective_gas_price(self.options.block_base_fee);
+        let is_service = tx.is_service();
         // Quick exit for non-service and non-local transactions
         //
         // We're checking if the transaction is below configured minimal gas price
         // or the effective minimal gas price in case the pool is full.
 
-        if !gas_price.is_zero() && !is_own {
-            if gas_price < self.options.minimal_gas_price {
+        if !is_service && !is_own {
+            let effective_priority_fee = tx.effective_priority_fee(self.options.block_base_fee);
+
+            if effective_priority_fee < self.options.minimal_gas_price {
                 trace!(
                     target: "txqueue",
                     "[{:?}] Rejected tx below minimal gas price threshold: {} < {}",
                     hash,
-                    gas_price,
+                    effective_priority_fee,
                     self.options.minimal_gas_price,
                 );
                 bail!(transaction::Error::InsufficientGasPrice {
                     minimal: self.options.minimal_gas_price,
-                    got: gas_price,
+                    got: effective_priority_fee,
                 });
             }
 
@@ -252,7 +272,7 @@ impl<C: Client> txpool::Verifier<Transaction>
                         target: "txqueue",
                         "[{:?}] Rejected tx early, cause it doesn't have any chance to get to the pool: (gas price: {} < {})",
                         hash,
-                        gas_price,
+                        tx.effective_gas_price(self.options.block_base_fee),
                         vtx.transaction.effective_gas_price(self.options.block_base_fee),
                     );
                     return Err(transaction::Error::TooCheapToReplace {
@@ -260,7 +280,7 @@ impl<C: Client> txpool::Verifier<Transaction>
                             vtx.transaction
                                 .effective_gas_price(self.options.block_base_fee),
                         ),
-                        new: Some(gas_price),
+                        new: Some(tx.effective_gas_price(self.options.block_base_fee)),
                     });
                 }
             }

crates/ethcore/src/tx_filter.rs

@@ -39,10 +39,7 @@ use_contract!(
     transact_acl_gas_price,
     "res/contracts/tx_acl_gas_price.json"
 );
-use_contract!(
-    transact_acl_1559,
-    "res/contracts/tx_acl_1559.json"
-);
+use_contract!(transact_acl_1559, "res/contracts/tx_acl_1559.json");
 
 const MAX_CACHE_SIZE: usize = 4096;
 
@@ -169,8 +166,7 @@ impl TransactionFilter {
                     }
                     4 => {
                         trace!(target: "tx_filter", "Using filter with maxFeePerGas and maxPriorityFeePerGas and data");
-                        let (data, decoder) =
-                            transact_acl_1559::functions::allowed_tx_types::call(
+                        let (data, decoder) = transact_acl_1559::functions::allowed_tx_types::call(
                             sender,
                             to,
                             value,
@@ -227,7 +223,9 @@ mod test {
     use std::{str::FromStr, sync::Arc};
     use tempdir::TempDir;
     use test_helpers;
-    use types::transaction::{Action, Transaction, TypedTransaction, AccessListTx, EIP1559TransactionTx};
+    use types::transaction::{
+        AccessListTx, Action, EIP1559TransactionTx, Transaction, TypedTransaction,
+    };
 
     /// Contract code: https://gist.github.com/VladLupashevskyi/84f18eabb1e4afadf572cf92af3e7e7f
     #[test]
@@ -628,10 +626,7 @@ mod test {
 
         let filter = TransactionFilter::from_params(spec.params()).unwrap();
         let mut tx = TypedTransaction::EIP1559Transaction(EIP1559TransactionTx {
-            transaction: AccessListTx::new(
-                Transaction::default(),
-                vec![],
-            ),
+            transaction: AccessListTx::new(Transaction::default(), vec![]),
             max_priority_fee_per_gas: U256::from(0),
         });
         tx.tx_mut().action =

crates/ethcore/types/src/transaction/transaction.rs

@@ -651,6 +651,22 @@ impl TypedTransaction {
         }
     }
 
+    pub fn effective_priority_fee(&self, block_base_fee: Option<U256>) -> U256 {
+        self.effective_gas_price(block_base_fee)
+            .checked_sub(block_base_fee.unwrap_or_default())
+            .unwrap_or_default()
+    }
+
+    pub fn is_service(&self) -> bool {
+        match self {
+            Self::EIP1559Transaction(tx) => {
+                tx.tx().gas_price == 0.into() && tx.max_priority_fee_per_gas == 0.into()
+            }
+            Self::AccessList(tx) => tx.tx().gas_price == 0.into(),
+            Self::Legacy(tx) => tx.gas_price == 0.into(),
+        }
+    }
+
     fn decode_new(tx: &[u8]) -> Result<UnverifiedTransaction, DecoderError> {
         if tx.is_empty() {
             // at least one byte needs to be present