From 66cfd8fce6ac1d1e838d69a5166866e6592d53f9 Mon Sep 17 00:00:00 2001
From: akokoshn <alexeikokoshnikof@nil.foundation>
Date: Mon, 12 Aug 2024 17:33:19 +0300
Subject: [PATCH] Add cas cost for posh0, shr and missed log1 instruction

---
 lib/assigner/evmone/instructions.hpp        | 4 ++++
 lib/assigner/evmone/instructions_traits.hpp | 3 +++
 lib/assigner/evmone/instructions_xmacro.hpp | 1 +
 3 files changed, 8 insertions(+)

diff --git a/lib/assigner/evmone/instructions.hpp b/lib/assigner/evmone/instructions.hpp
index 47e21f55..8990cad6 100644
--- a/lib/assigner/evmone/instructions.hpp
+++ b/lib/assigner/evmone/instructions.hpp
@@ -1194,6 +1194,10 @@ struct instructions {
         state.rw_trace.push_back(stack_operation<BlueprintFieldType>(state.call_id,  (uint16_t)(stack.size(state.stack_space.bottom()) - addr), state.rw_trace.size(), true, stack[addr - 1]));
     }
 
+    static void log(StackTop<BlueprintFieldType> /*stack*/, ExecutionState<BlueprintFieldType>& /*state*/) noexcept {
+        // do nothing
+    }
+
     static code_iterator dupn(StackTop<BlueprintFieldType> stack, ExecutionState<BlueprintFieldType>& state, code_iterator pos) noexcept
     {
         const uint16_t n = pos[1] + 1;
diff --git a/lib/assigner/evmone/instructions_traits.hpp b/lib/assigner/evmone/instructions_traits.hpp
index 5d24e733..dadcc6bb 100644
--- a/lib/assigner/evmone/instructions_traits.hpp
+++ b/lib/assigner/evmone/instructions_traits.hpp
@@ -99,6 +99,8 @@ constexpr inline GasCostTable gas_costs = []() noexcept {
     table[EVMC_FRONTIER][OP_MSIZE] = 2;
     table[EVMC_FRONTIER][OP_GAS] = 2;
     table[EVMC_FRONTIER][OP_JUMPDEST] = 1;
+    table[EVMC_FRONTIER][OP_SHR] = 3;
+    table[EVMC_FRONTIER][OP_PUSH0] = 2;
     for (auto op = size_t{OP_PUSH1}; op <= OP_PUSH32; ++op)
         table[EVMC_FRONTIER][op] = 3;
     for (auto op = size_t{OP_DUP1}; op <= OP_DUP16; ++op)
@@ -116,6 +118,7 @@ constexpr inline GasCostTable gas_costs = []() noexcept {
     table[EVMC_FRONTIER][OP_RETURN] = 0;
     table[EVMC_FRONTIER][OP_INVALID] = 0;
     table[EVMC_FRONTIER][OP_SELFDESTRUCT] = 0;
+    table[EVMC_FRONTIER][OP_LOG1] = 0;
 
     table[EVMC_HOMESTEAD] = table[EVMC_FRONTIER];
     table[EVMC_HOMESTEAD][OP_DELEGATECALL] = 40;
diff --git a/lib/assigner/evmone/instructions_xmacro.hpp b/lib/assigner/evmone/instructions_xmacro.hpp
index de15311b..ed220816 100644
--- a/lib/assigner/evmone/instructions_xmacro.hpp
+++ b/lib/assigner/evmone/instructions_xmacro.hpp
@@ -211,6 +211,7 @@
                                                             \
     ON_OPCODE_IDENTIFIER(OP_SWAP, instructions<BlueprintFieldType>::template swap<0>)                  \
     ON_OPCODE_IDENTIFIER(OP_DUP, instructions<BlueprintFieldType>::template dup<0>)                    \
+    ON_OPCODE_IDENTIFIER(OP_LOG1, instructions<BlueprintFieldType>::log)                    \
     ON_OPCODE_UNDEFINED(0xa8)                               \
     ON_OPCODE_UNDEFINED(0xa9)                               \
     ON_OPCODE_UNDEFINED(0xaa)                               \