From cff9e1055e003e1e71a4b8d794282c86418c4c27 Mon Sep 17 00:00:00 2001
From: Aaron Cox <aaron@greymass.com>
Date: Tue, 25 Jun 2024 09:41:26 -0700
Subject: [PATCH] Adding codingPath to serializer errors (#95)

---
 src/serializer/decoder.ts | 6 +++++-
 src/serializer/encoder.ts | 6 +++++-
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/src/serializer/decoder.ts b/src/serializer/decoder.ts
index 89e30679..a8b0bc2f 100644
--- a/src/serializer/decoder.ts
+++ b/src/serializer/decoder.ts
@@ -245,7 +245,11 @@ function decodeObject(value: any, type: ABI.ResolvedType, ctx: DecodingContext):
                 return null
             }
         }
-        throw new Error(`Unexpectedly encountered ${value} for non-optional`)
+        throw new Error(
+            `Unexpectedly encountered ${value} for non-optional (${ctx.codingPath
+                .map((path) => path.field)
+                .join('.')})`
+        )
     } else if (type.isArray) {
         if (!Array.isArray(value)) {
             throw new Error('Expected array')
diff --git a/src/serializer/encoder.ts b/src/serializer/encoder.ts
index f3590db4..d4c19bc2 100644
--- a/src/serializer/encoder.ts
+++ b/src/serializer/encoder.ts
@@ -179,7 +179,11 @@ export function encodeAny(value: any, type: ABI.ResolvedType, ctx: EncodingConte
             if (type.isExtension) {
                 return
             }
-            throw new Error(`Found ${value} for non-optional type: ${type.typeName}`)
+            throw new Error(
+                `Found ${value} for non-optional type: ${type.typeName} (${ctx.codingPath
+                    .map((path) => path.field)
+                    .join('.')})`
+            )
         }
         if (abiType && abiType.toABI) {
             // type explicitly handles encoding