From ee4b4a03b07688139b48b329023edcde315d39b4 Mon Sep 17 00:00:00 2001
From: Matias Romeo <matias.romeo@gmail.com>
Date: Mon, 8 Apr 2024 13:50:31 -0300
Subject: [PATCH] Remove min_gas_price from ConsensusParameters

---
 eosevm/consensus_parameters.cpp        | 14 ++++++--------
 eosevm/consensus_parameters.hpp        |  1 -
 silkworm/node/db/access_layer_test.cpp |  2 --
 silkworm/silkrpc/json/block.cpp        |  3 ---
 4 files changed, 6 insertions(+), 14 deletions(-)

diff --git a/eosevm/consensus_parameters.cpp b/eosevm/consensus_parameters.cpp
index 51c6fb93..cb0bb7b4 100644
--- a/eosevm/consensus_parameters.cpp
+++ b/eosevm/consensus_parameters.cpp
@@ -9,11 +9,12 @@
 namespace eosevm {
 bool operator==(const eosevm::GasFeeParameters& a, const eosevm::GasFeeParameters& b) { 
     return a.gas_codedeposit == b.gas_codedeposit && a.gas_newaccount == b.gas_newaccount && 
-    a.gas_sset == b.gas_sset && a.gas_txcreate == b.gas_txcreate && a.gas_txnewaccount == b.gas_txnewaccount; 
+    a.gas_sset == b.gas_sset && a.gas_txcreate == b.gas_txcreate && a.gas_txnewaccount == b.gas_txnewaccount;
 }
 
 bool operator==(const eosevm::ConsensusParameters& a, const eosevm::ConsensusParameters& b) { 
-    return a.min_gas_price == b.min_gas_price && a.gas_fee_parameters == b.gas_fee_parameters; }
+    return a.gas_fee_parameters == b.gas_fee_parameters;
+}
 
 
 #if not defined(ANTELOPE)
@@ -43,14 +44,12 @@ std::optional<GasFeeParameters> GasFeeParameters::decode(silkworm::ByteView enco
 
 #if not defined(ANTELOPE)
 [[nodiscard]] silkworm::Bytes ConsensusParameters::encode() const noexcept  {
-    SILKWORM_ASSERT(min_gas_price.has_value());
     SILKWORM_ASSERT(gas_fee_parameters.has_value());
-    constexpr size_t size_before_fee_param = 2 * sizeof(uint64_t);
+    constexpr size_t size_before_fee_param = sizeof(uint64_t);
     auto value = gas_fee_parameters->encode();
     silkworm::Bytes ret(value.length() + size_before_fee_param, '\0');
     // Always store as latest supported version: currently 0.
     silkworm::endian::store_big_u64(&ret[0], 0);
-    silkworm::endian::store_big_u64(&ret[sizeof(uint64_t)], *min_gas_price);
     std::memcpy(&ret[size_before_fee_param], &value[0], value.length());
     return ret;
 };
@@ -63,9 +62,8 @@ std::optional<ConsensusParameters> ConsensusParameters::decode(silkworm::ByteVie
     // Parse according to version. For now, only 0.
     switch (version) {
         case 0: {
-            constexpr size_t size_before_fee_param = 2 * sizeof(uint64_t);
+            constexpr size_t size_before_fee_param = sizeof(uint64_t);
             SILKWORM_ASSERT(encoded.length() > size_before_fee_param);
-            config.min_gas_price = silkworm::endian::load_big_u64(&encoded[sizeof(uint64_t)]);
             config.gas_fee_parameters = GasFeeParameters::decode(silkworm::ByteView{&encoded[size_before_fee_param], encoded.length() - size_before_fee_param});
             break;
             }
@@ -82,4 +80,4 @@ std::optional<ConsensusParameters> ConsensusParameters::decode(silkworm::ByteVie
 }
 #endif
 
-} // namespace eosevm
\ No newline at end of file
+} // namespace eosevm
diff --git a/eosevm/consensus_parameters.hpp b/eosevm/consensus_parameters.hpp
index 1994d86a..15838ccd 100644
--- a/eosevm/consensus_parameters.hpp
+++ b/eosevm/consensus_parameters.hpp
@@ -40,7 +40,6 @@ struct GasFeeParameters {
 };
 
 struct ConsensusParameters {
-    std::optional<uint64_t>  min_gas_price;
     std::optional<GasFeeParameters> gas_fee_parameters;
 
     #if not defined(ANTELOPE)
diff --git a/silkworm/node/db/access_layer_test.cpp b/silkworm/node/db/access_layer_test.cpp
index 0c21438e..153904ce 100644
--- a/silkworm/node/db/access_layer_test.cpp
+++ b/silkworm/node/db/access_layer_test.cpp
@@ -919,7 +919,6 @@ TEST_CASE("ConsensusParameters") {
     auto& txn{context.rw_txn()};
 
     constexpr eosevm::ConsensusParameters value1{
-    .min_gas_price = 1,
     .gas_fee_parameters = eosevm::GasFeeParameters{
         .gas_txnewaccount = 1,
         .gas_newaccount = 1,
@@ -930,7 +929,6 @@ TEST_CASE("ConsensusParameters") {
     };
 
     constexpr eosevm::ConsensusParameters value2{
-    .min_gas_price = 2,
     .gas_fee_parameters = eosevm::GasFeeParameters{
         .gas_txnewaccount = 2,
         .gas_newaccount = 2,
diff --git a/silkworm/silkrpc/json/block.cpp b/silkworm/silkrpc/json/block.cpp
index d6885acc..c663b5dc 100644
--- a/silkworm/silkrpc/json/block.cpp
+++ b/silkworm/silkrpc/json/block.cpp
@@ -51,9 +51,6 @@ void to_json(nlohmann::json& json, const Block& b) {
     if(b.consensus_parameter.has_value()) {
         auto& cp = b.consensus_parameter.value();
         json["consensusParameter"] = nlohmann::json{};
-        if(cp.min_gas_price.has_value()) {
-            json["consensusParameter"]["minGasPrice"] = cp.min_gas_price.value();
-        }
         if(cp.gas_fee_parameters.has_value()) {
             json["consensusParameter"]["gasFeeParameters"] = nlohmann::json{};
             auto& v = cp.gas_fee_parameters.value();