feat: add utils for prefix and code delegation + rm unused account

Author: amkCha

tracer/arithmetization/src/test/java/net/consensys/linea/zktracer/Utils.java

@@ -18,11 +18,13 @@
 import static net.consensys.linea.reporting.TracerTestBase.chainConfig;
 import static net.consensys.linea.testing.BytecodeCompiler.newProgram;
 
+import net.consensys.linea.testing.ToyAccount;
 import net.consensys.linea.zktracer.opcode.OpCode;
 import org.apache.tuweni.bytes.Bytes;
 import org.hyperledger.besu.datatypes.Address;
 
 public class Utils {
+
   public static final Bytes REVERT =
       newProgram(chainConfig).push(0).push(0).op(OpCode.REVERT).compile();
 
@@ -61,4 +63,15 @@ public static Bytes delegateCall(Address address) {
         .op(OpCode.DELEGATECALL)
         .compile();
   }
+
+  // Utils for EIP-7702 tests
+
+  public static final String DELEGATION_PREFIX = "0xef0100";
+
+  public static String addDelegationPrefixToAccount(ToyAccount account) {
+    return DELEGATION_PREFIX + account.getAddress().toHexString().substring(2);
+  }
+  public static String addDelegationPrefixToAddress(Address address) {
+    return DELEGATION_PREFIX + address.toHexString().substring(2);
+  }
 }

tracer/arithmetization/src/test/java/net/consensys/linea/zktracer/instructionprocessing/callTests/CallDelegation.java

@@ -17,6 +17,8 @@
 
 import java.util.List;
 
+import static net.consensys.linea.zktracer.Utils.*;
+
 /*
 
 CALL DELEGATION TEST
@@ -71,7 +73,7 @@ public class CallDelegation extends TracerTestBase {
       .code(
         Bytes.concatenate(Bytes.fromHexString(smcBytecode)))
       .build();
-  final String delegationCodeToSmc = "0xef0100" + smcAccount.getAddress().toHexString().substring(2);
+  final String delegationCodeToSmc = addDelegationPrefixToAccount(smcAccount);
 
   // Sender account setting
   final KeyPair keyPair = new SECP256K1().generateKeyPair();
@@ -125,7 +127,7 @@ void EOA1DelegatedEOA2(TestInfo testInfo) {
         .nonce(80)
         .build();
 
-    String delegationCodeToEoa2 = "0xef0100" + eoa2.getAddress().toHexString().substring(2);
+    String delegationCodeToEoa2 = addDelegationPrefixToAccount(eoa2);
 
     ToyAccount eoa1DelegatedToEoa2 =
       ToyAccount.builder()
@@ -141,7 +143,7 @@ void EOA1DelegatedEOA2(TestInfo testInfo) {
       .to(eoa1DelegatedToEoa2).build();
 
     ToyExecutionEnvironmentV2.builder(chainConfig, testInfo)
-      .accounts(List.of(senderAccount, smcAccount, eoa1DelegatedToEoa2, eoa2))
+      .accounts(List.of(senderAccount, eoa1DelegatedToEoa2, eoa2))
       .transaction(tx)
       .build()
       .run();
@@ -159,7 +161,7 @@ void EOADelegatedToItself(TestInfo testInfo) {
 
     Address eoaAddress = Address.fromHexString("ca11ee1");
 
-    String delegationCodeToEoa = "0xef0100" + eoaAddress.toHexString().substring(2);
+    String delegationCodeToEoa = addDelegationPrefixToAddress(eoaAddress);
 
     ToyAccount eoa =
       ToyAccount.builder()
@@ -175,7 +177,7 @@ void EOADelegatedToItself(TestInfo testInfo) {
       .to(eoa).build();
 
     ToyExecutionEnvironmentV2.builder(chainConfig, testInfo)
-      .accounts(List.of(senderAccount,eoa ))
+      .accounts(List.of(senderAccount, eoa))
       .transaction(tx)
       .build()
       .run();
@@ -200,7 +202,7 @@ void EOA1DelegatedEOA2DelegatedToSmc(TestInfo testInfo) {
           Bytes.concatenate(Bytes.fromHexString(delegationCodeToSmc)))
         .build();
 
-    String delegationCodeToEoa2 = "0xef0100" + eoa2DelegatedToSmc.getAddress().toHexString().substring(2);
+    String delegationCodeToEoa2 =  addDelegationPrefixToAccount(eoa2DelegatedToSmc);
 
     ToyAccount eoa1DelegatedToEoa2 =
       ToyAccount.builder()
@@ -232,8 +234,7 @@ void EOA1DelegatedEOA2DelegatedToSmc(TestInfo testInfo) {
   @Test
   void targetIsPrc(TestInfo testInfo) {
 
-    String delegationCodeToP256Verify = "0xef0100" + Address.P256_VERIFY.toHexString().substring(2);
-
+    String delegationCodeToP256Verify = addDelegationPrefixToAddress(Address.P256_VERIFY);
     ToyAccount eoaDelegatedToPrc =
       ToyAccount.builder()
         .address(Address.fromHexString("ca11ee")) // identity caller