feat: Add EIP-7702 authorization list support to Transaction

Author: Filter94

core/src/main/java/org/web3j/protocol/core/methods/response/AuthorizationTuple.java

@@ -0,0 +1,134 @@
+/*
+ * Copyright 2026 Web3 Labs Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
+package org.web3j.protocol.core.methods.response;
+
+import java.math.BigInteger;
+import java.util.Objects;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+
+import org.web3j.utils.Numeric;
+
+/** EIP-7702 authorization tuple returned in transaction responses. */
+public class AuthorizationTuple {
+    private String chainId;
+
+    private String address;
+
+    private String nonce;
+
+    @JsonProperty("yParity")
+    private String yParity;
+
+    private String r;
+
+    private String s;
+
+    public AuthorizationTuple() {}
+
+    public AuthorizationTuple(
+            String chainId, String address, String nonce, String yParity, String r, String s) {
+        this.chainId = chainId;
+        this.address = address;
+        this.nonce = nonce;
+        this.yParity = yParity;
+        this.r = r;
+        this.s = s;
+    }
+
+    public BigInteger getChainId() {
+        return chainId != null ? Numeric.decodeQuantity(chainId) : null;
+    }
+
+    public String getChainIdRaw() {
+        return chainId;
+    }
+
+    public void setChainId(String chainId) {
+        this.chainId = chainId;
+    }
+
+    public String getAddress() {
+        return address;
+    }
+
+    public void setAddress(String address) {
+        this.address = address;
+    }
+
+    public BigInteger getNonce() {
+        return nonce != null ? Numeric.decodeQuantity(nonce) : null;
+    }
+
+    public String getNonceRaw() {
+        return nonce;
+    }
+
+    public void setNonce(String nonce) {
+        this.nonce = nonce;
+    }
+
+    public BigInteger getYParity() {
+        return yParity != null ? Numeric.decodeQuantity(yParity) : null;
+    }
+
+    public String getYParityRaw() {
+        return yParity;
+    }
+
+    public void setYParity(String yParity) {
+        this.yParity = yParity;
+    }
+
+    public BigInteger getR() {
+        return r != null ? Numeric.decodeQuantity(r) : null;
+    }
+
+    public String getRRaw() {
+        return r;
+    }
+
+    public void setR(String r) {
+        this.r = r;
+    }
+
+    public BigInteger getS() {
+        return s != null ? Numeric.decodeQuantity(s) : null;
+    }
+
+    public String getSRaw() {
+        return s;
+    }
+
+    public void setS(String s) {
+        this.s = s;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        AuthorizationTuple that = (AuthorizationTuple) o;
+        return Objects.equals(chainId, that.chainId)
+                && Objects.equals(address, that.address)
+                && Objects.equals(nonce, that.nonce)
+                && Objects.equals(yParity, that.yParity)
+                && Objects.equals(r, that.r)
+                && Objects.equals(s, that.s);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(chainId, address, nonce, yParity, r, s);
+    }
+}

core/src/main/java/org/web3j/protocol/core/methods/response/EthBlock.java

@@ -763,6 +763,7 @@ public TransactionObject(
                     nonce,
                     blockHash,
                     blockNumber,
+                    null,
                     transactionIndex,
                     from,
                     to,
@@ -776,10 +777,66 @@ public TransactionObject(
                     r,
                     s,
                     v,
+                    null,
                     type,
                     maxFeePerGas,
                     maxPriorityFeePerGas,
-                    accessList);
+                    accessList,
+                    null,
+                    null,
+                    null);
+        }
+
+        public TransactionObject(
+                String hash,
+                String nonce,
+                String blockHash,
+                String blockNumber,
+                String transactionIndex,
+                String from,
+                String to,
+                String value,
+                String gas,
+                String gasPrice,
+                String input,
+                String creates,
+                String publicKey,
+                String raw,
+                String r,
+                String s,
+                long v,
+                String type,
+                String maxFeePerGas,
+                String maxPriorityFeePerGas,
+                List<AccessListObject> accessList,
+                List<AuthorizationTuple> authorizationList) {
+            super(
+                    hash,
+                    nonce,
+                    blockHash,
+                    blockNumber,
+                    null,
+                    transactionIndex,
+                    from,
+                    to,
+                    value,
+                    gas,
+                    gasPrice,
+                    input,
+                    creates,
+                    publicKey,
+                    raw,
+                    r,
+                    s,
+                    v,
+                    null,
+                    type,
+                    maxFeePerGas,
+                    maxPriorityFeePerGas,
+                    accessList,
+                    null,
+                    null,
+                    authorizationList);
         }
 
         public TransactionObject(
@@ -829,7 +886,10 @@ public TransactionObject(
                     type,
                     maxFeePerGas,
                     maxPriorityFeePerGas,
-                    accessList);
+                    accessList,
+                    null,
+                    null,
+                    null);
         }
 
         public TransactionObject(
@@ -857,7 +917,8 @@ public TransactionObject(
                 String maxPriorityFeePerGas,
                 List<AccessListObject> accessList,
                 String maxFeePerBlobGas,
-                List<String> blobVersionedHashes) {
+                List<String> blobVersionedHashes,
+                List<AuthorizationTuple> authorizationList) {
             super(
                     hash,
                     nonce,
@@ -883,7 +944,8 @@ public TransactionObject(
                     maxPriorityFeePerGas,
                     accessList,
                     maxFeePerBlobGas,
-                    blobVersionedHashes);
+                    blobVersionedHashes,
+                    authorizationList);
         }
 
         @Override