fix(EVM): Add static MCOPY cost (#1081)

matter-labs · Dec 6, 2024 · fa6eb3e · fa6eb3e
1 parent 5ec8486
commit fa6eb3e
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diff --git a/system-contracts/contracts/EvmEmulator.yul b/system-contracts/contracts/EvmEmulator.yul
@@ -2061,6 +2061,8 @@ object "EvmEmulator" {
                     ip := add(ip, 1)
                 }
                 case 0x5E { // OP_MCOPY
+                    evmGasLeft := chargeGas(evmGasLeft, 3)
+
                     let destOffset, offset, size
                     popStackCheck(sp, 3)
                     destOffset, sp, stackHead := popStackItemWithoutCheck(sp, stackHead)
@@ -5109,6 +5111,8 @@ object "EvmEmulator" {
                         ip := add(ip, 1)
                     }
                     case 0x5E { // OP_MCOPY
+                        evmGasLeft := chargeGas(evmGasLeft, 3)
+
                         let destOffset, offset, size
                         popStackCheck(sp, 3)
                         destOffset, sp, stackHead := popStackItemWithoutCheck(sp, stackHead)

diff --git a/system-contracts/evm-emulator/EvmEmulatorLoop.template.yul b/system-contracts/evm-emulator/EvmEmulatorLoop.template.yul
@@ -836,6 +836,8 @@ for { } true { } {
         ip := add(ip, 1)
     }
     case 0x5E { // OP_MCOPY
+        evmGasLeft := chargeGas(evmGasLeft, 3)
+
         let destOffset, offset, size
         popStackCheck(sp, 3)
         destOffset, sp, stackHead := popStackItemWithoutCheck(sp, stackHead)