From a95675d50f57b6071f226054568de298e8deabd9 Mon Sep 17 00:00:00 2001
From: Martin Holst Swende <martin@swende.se>
Date: Mon, 6 Dec 2021 09:55:50 +0100
Subject: [PATCH] core/vm: remove no-recursion option from config

---
 core/vm/evm.go         | 16 ----------------
 core/vm/interpreter.go |  1 -
 2 files changed, 17 deletions(-)

diff --git a/core/vm/evm.go b/core/vm/evm.go
index 6e2dd00349..2c7880b3bf 100644
--- a/core/vm/evm.go
+++ b/core/vm/evm.go
@@ -165,9 +165,6 @@ func (evm *EVM) Interpreter() *EVMInterpreter {
 // the necessary steps to create accounts and reverses the state in case of an
 // execution error or failed value transfer.
 func (evm *EVM) Call(caller ContractRef, addr common.Address, input []byte, gas uint64, value *big.Int) (ret []byte, leftOverGas uint64, err error) {
-	if evm.Config.NoRecursion && evm.depth > 0 {
-		return nil, gas, nil
-	}
 	// Fail if we're trying to execute above the call depth limit
 	if evm.depth > int(params.CallCreateDepth) {
 		return nil, gas, ErrDepth
@@ -254,9 +251,6 @@ func (evm *EVM) Call(caller ContractRef, addr common.Address, input []byte, gas
 // CallCode differs from Call in the sense that it executes the given address'
 // code with the caller as context.
 func (evm *EVM) CallCode(caller ContractRef, addr common.Address, input []byte, gas uint64, value *big.Int) (ret []byte, leftOverGas uint64, err error) {
-	if evm.Config.NoRecursion && evm.depth > 0 {
-		return nil, gas, nil
-	}
 	// Fail if we're trying to execute above the call depth limit
 	if evm.depth > int(params.CallCreateDepth) {
 		return nil, gas, ErrDepth
@@ -305,9 +299,6 @@ func (evm *EVM) CallCode(caller ContractRef, addr common.Address, input []byte,
 // DelegateCall differs from CallCode in the sense that it executes the given address'
 // code with the caller as context and the caller is set to the caller of the caller.
 func (evm *EVM) DelegateCall(caller ContractRef, addr common.Address, input []byte, gas uint64) (ret []byte, leftOverGas uint64, err error) {
-	if evm.Config.NoRecursion && evm.depth > 0 {
-		return nil, gas, nil
-	}
 	// Fail if we're trying to execute above the call depth limit
 	if evm.depth > int(params.CallCreateDepth) {
 		return nil, gas, ErrDepth
@@ -347,9 +338,6 @@ func (evm *EVM) DelegateCall(caller ContractRef, addr common.Address, input []by
 // Opcodes that attempt to perform such modifications will result in exceptions
 // instead of performing the modifications.
 func (evm *EVM) StaticCall(caller ContractRef, addr common.Address, input []byte, gas uint64) (ret []byte, leftOverGas uint64, err error) {
-	if evm.Config.NoRecursion && evm.depth > 0 {
-		return nil, gas, nil
-	}
 	// Fail if we're trying to execute above the call depth limit
 	if evm.depth > int(params.CallCreateDepth) {
 		return nil, gas, ErrDepth
@@ -451,10 +439,6 @@ func (evm *EVM) create(caller ContractRef, codeAndHash *codeAndHash, gas uint64,
 	contract := NewContract(caller, AccountRef(address), value, gas)
 	contract.SetCodeOptionalHash(&address, codeAndHash)
 
-	if evm.Config.NoRecursion && evm.depth > 0 {
-		return nil, address, gas, nil
-	}
-
 	if evm.Config.Debug {
 		if evm.depth == 0 {
 			evm.Config.Tracer.CaptureStart(evm, caller.Address(), address, true, codeAndHash.code, gas, value)
diff --git a/core/vm/interpreter.go b/core/vm/interpreter.go
index 673f046a46..53f4acc849 100644
--- a/core/vm/interpreter.go
+++ b/core/vm/interpreter.go
@@ -28,7 +28,6 @@ import (
 type Config struct {
 	Debug                   bool      // Enables debugging
 	Tracer                  EVMLogger // Opcode logger
-	NoRecursion             bool      // Disables call, callcode, delegate call and create
 	NoBaseFee               bool      // Forces the EIP-1559 baseFee to 0 (needed for 0 price calls)
 	EnablePreimageRecording bool      // Enables recording of SHA3/keccak preimages