From ade8096f6bcf29716a746f77a0c69c63361f8b09 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kamil=20=C5=9Aliwak?= <kamil.sliwak@codepoets.it>
Date: Tue, 9 Jan 2024 17:13:42 +0100
Subject: [PATCH] Rename Ext gas cost tier to BlockHash

---
 libevmasm/GasMeter.cpp    | 2 +-
 libevmasm/Instruction.cpp | 2 +-
 libevmasm/Instruction.h   | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/libevmasm/GasMeter.cpp b/libevmasm/GasMeter.cpp
index e237e32a26ba..b3d160585e37 100644
--- a/libevmasm/GasMeter.cpp
+++ b/libevmasm/GasMeter.cpp
@@ -280,7 +280,7 @@ unsigned GasMeter::runGas(Instruction _instruction, langutil::EVMVersion _evmVer
 	case Tier::Low:         return GasCosts::tier3Gas;
 	case Tier::Mid:         return GasCosts::tier4Gas;
 	case Tier::High:        return GasCosts::tier5Gas;
-	case Tier::Ext:         return GasCosts::tier6Gas;
+	case Tier::BlockHash:   return GasCosts::tier6Gas;
 	case Tier::WarmAccess:  return GasCosts::warmStorageReadCost;
 
 	case Tier::Special:
diff --git a/libevmasm/Instruction.cpp b/libevmasm/Instruction.cpp
index 4e0684b6b4eb..ca0dff185ad4 100644
--- a/libevmasm/Instruction.cpp
+++ b/libevmasm/Instruction.cpp
@@ -227,7 +227,7 @@ static std::map<Instruction, InstructionInfo> const c_instructionInfo =
 	{ Instruction::RETURNDATACOPY, {"RETURNDATACOPY", 0, 3, 0, true, Tier::VeryLow } },
 	{ Instruction::MCOPY,       { "MCOPY",          0, 3, 0, true, Tier::VeryLow } },
 	{ Instruction::EXTCODEHASH, { "EXTCODEHASH",    0, 1, 1, false, Tier::Special } },
-	{ Instruction::BLOCKHASH,	{ "BLOCKHASH",		0, 1, 1, false, Tier::Ext } },
+	{ Instruction::BLOCKHASH,   { "BLOCKHASH",      0, 1, 1, false, Tier::BlockHash } },
 	{ Instruction::BLOBHASH,    { "BLOBHASH",       0, 1, 1, false, Tier::VeryLow } },
 	{ Instruction::COINBASE,	{ "COINBASE",		0, 0, 1, false, Tier::Base } },
 	{ Instruction::TIMESTAMP,	{ "TIMESTAMP",		0, 0, 1, false, Tier::Base } },
diff --git a/libevmasm/Instruction.h b/libevmasm/Instruction.h
index 7d551f71d72f..289469b5ef7b 100644
--- a/libevmasm/Instruction.h
+++ b/libevmasm/Instruction.h
@@ -300,7 +300,7 @@ enum class Tier
 	Low,        // 5, Fast
 	Mid,        // 8, Mid
 	High,       // 10, Slow
-	Ext,        // 20, Ext
+	BlockHash,  // 20
 	WarmAccess, // 100, Warm Access
 	Special,    // multiparam or otherwise special
 	Invalid,    // Invalid.