From b408d1b3caad0b63f40c3ac201d6b5e4a16b74c3 Mon Sep 17 00:00:00 2001
From: Anton Tokalov <anton@altermail.co>
Date: Wed, 6 Sep 2023 04:56:49 +0300
Subject: [PATCH] fix unable to parse abi with error types

---
 .../evm/abi/definition/AbiDefinition.java     | 27 +++++++++++++++++--
 1 file changed, 25 insertions(+), 2 deletions(-)

diff --git a/src/main/java/net/osslabz/evm/abi/definition/AbiDefinition.java b/src/main/java/net/osslabz/evm/abi/definition/AbiDefinition.java
index 6739224..8a7a40f 100644
--- a/src/main/java/net/osslabz/evm/abi/definition/AbiDefinition.java
+++ b/src/main/java/net/osslabz/evm/abi/definition/AbiDefinition.java
@@ -94,6 +94,10 @@ public Event findEvent(Predicate<Event> searchPredicate) {
         return find(Event.class, Entry.Type.event, searchPredicate);
     }
 
+    public Error findError(Predicate<Error> searchError) {
+        return find(Error.class, Entry.Type.error, searchError);
+    }
+
     public Constructor findConstructor() {
         return find(Constructor.class, Entry.Type.constructor, object -> true);
     }
@@ -148,6 +152,9 @@ public static Entry create(@JsonProperty("anonymous") boolean anonymous,
                 case event:
                     result = new Event(anonymous, name, inputs, outputs);
                     break;
+                case error:
+                    result = new Error(name, inputs);
+                    break;
             }
 
             return result;
@@ -181,7 +188,8 @@ public enum Type {
             function,
             event,
             fallback,
-            receive
+            receive,
+            error
         }
 
         @Data
@@ -358,4 +366,19 @@ public String toString() {
             return format("event %s(%s);", name, join(inputs, ", "));
         }
     }
-}
\ No newline at end of file
+
+    public static class Error extends Entry {
+        public Error(String name, List<Param> inputs) {
+            super(null, null, name, inputs, null, Type.error, false);
+        }
+
+        public List<?> decode(byte[] encoded) {
+            return Param.decodeList(inputs, encoded);
+        }
+
+        @Override
+        public String toString() {
+            return format("error %s(%s);", name, join(inputs, ", "));
+        }
+    }
+}