From f06437e8f51130a2a5fe20a5205a15cec83ca2bd Mon Sep 17 00:00:00 2001
From: Manuel Bilbao <manuel.bilbao@lambdaclass.com>
Date: Wed, 10 Apr 2024 19:07:21 -0300
Subject: [PATCH] Add origin opcode

---
 system-contracts/contracts/EvmInterpreter.yul | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/system-contracts/contracts/EvmInterpreter.yul b/system-contracts/contracts/EvmInterpreter.yul
index 8aca049d4..65ba9d8f6 100644
--- a/system-contracts/contracts/EvmInterpreter.yul
+++ b/system-contracts/contracts/EvmInterpreter.yul
@@ -485,6 +485,11 @@ object "EVMInterpreter" {
                     // TODO: Handle cold/warm slots and updates, etc for gas costs.
                     evmGasLeft := chargeGas(evmGasLeft, 100)
                 }
+                case 0x32 { // OP_ORIGIN
+                    sp := pushStackItem(sp, origin())
+
+                    evmGasLeft := chargeGas(evmGasLeft, 2)
+                }
                 // NOTE: We don't currently do full jumpdest validation
                 // (i.e. validating a jumpdest isn't in PUSH data)
                 case 0x56 { // OP_JUMP