From 204eaa2a1142d08a9376e186fdb9ea1e8b48507d Mon Sep 17 00:00:00 2001
From: Jason <Jason@wildcards.world>
Date: Mon, 26 Dec 2022 14:35:00 +0200
Subject: [PATCH] filter out derived fields (since they can cause bugs in
 subgraphs if left in)

---
 package/package.json    |  2 +-
 package/src/Index.bs.js |  9 ++++++++-
 package/src/Index.res   | 14 +++++++++++++-
 3 files changed, 22 insertions(+), 3 deletions(-)

diff --git a/package/package.json b/package/package.json
index 36c5bc8..b7445b7 100644
--- a/package/package.json
+++ b/package/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@float-capital/float-subgraph-uncrashable",
-  "version": "0.0.0-alpha.6",
+  "version": "0.0.0-internal-testing.2",
   "description": "Safe Subgraph Code Generation Framework by Float",
   "main": "index.js",
   "repository": "https://github.com/Float-Capital/float-subgraph-uncrashable",
diff --git a/package/src/Index.bs.js b/package/src/Index.bs.js
index f8b38a0..cba0873 100644
--- a/package/src/Index.bs.js
+++ b/package/src/Index.bs.js
@@ -245,7 +245,14 @@ function run(entityDefinitions, codegenConfigPath, outputFilePath) {
               var fieldsMap = {};
               Belt_Array.map(fields, (function (field) {
                       var fieldName = field.name.value;
-                      fieldsMap[fieldName] = field;
+                      var isDerivedFromField = Belt_Array.keep(field.directives, (function (directive) {
+                              return directive.name.value === "derivedFrom";
+                            })).length !== 0;
+                      if (!isDerivedFromField) {
+                        fieldsMap[fieldName] = field;
+                        return ;
+                      }
+                      
                     }));
               var entityConfig = Belt_Option.getWithDefault(Js_dict.get(uncrashableConfig.entitySettings, name), {
                     useDefault: {},
diff --git a/package/src/Index.res b/package/src/Index.res
index d6200c2..4c34f8f 100644
--- a/package/src/Index.res
+++ b/package/src/Index.res
@@ -234,7 +234,19 @@ let run = (~entityDefinitions, ~codegenConfigPath, ~outputFilePath) => {
       let fieldsMap = Js.Dict.empty()
       let _ = fields->Array.map(field => {
         let fieldName = field["name"]["value"]
-        fieldsMap->Js.Dict.set(fieldName, field)
+        let isDerivedFromField =
+          field["directives"]
+          ->Array.keep(
+            directive => {
+              directive["name"]["value"] == "derivedFrom"
+            },
+          )
+          ->Array.length > 0
+
+        // NOTE: currently we completely ignore derived fields
+        if !isDerivedFromField {
+          fieldsMap->Js.Dict.set(fieldName, field)
+        }
       })
       let entityConfig =
         uncrashableConfig["entitySettings"]