From 7fc45d0028685af532e943fea87803502685b38e Mon Sep 17 00:00:00 2001
From: Giovanni Sanchez <108043524+sisyphusSmiling@users.noreply.github.com>
Date: Wed, 20 Mar 2024 12:04:58 -0500
Subject: [PATCH] update serialization serialized json data prefix

---
 cadence/contracts/bridge/FlowEVMBridge.cdc | 2 +-
 cadence/contracts/utils/SerializeNFT.cdc   | 2 +-
 cadence/tests/serialize_nft_tests.cdc      | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/cadence/contracts/bridge/FlowEVMBridge.cdc b/cadence/contracts/bridge/FlowEVMBridge.cdc
index 2b22f681..48608972 100644
--- a/cadence/contracts/bridge/FlowEVMBridge.cdc
+++ b/cadence/contracts/bridge/FlowEVMBridge.cdc
@@ -434,7 +434,7 @@ contract FlowEVMBridge : IFlowEVMNFTBridge {
             ) as! MetadataViews.NFTCollectionDisplay? {
                 name = collectionDisplay.name
                 let serializedDisplay = SerializeNFT.serializeFromDisplays(nftDisplay: nil, collectionDisplay: collectionDisplay)!
-                contractURI = "data:application/json;ascii,{".concat(serializedDisplay).concat("}")
+                contractURI = "data:application/json;utf8,{".concat(serializedDisplay).concat("}")
             }
         }
 
diff --git a/cadence/contracts/utils/SerializeNFT.cdc b/cadence/contracts/utils/SerializeNFT.cdc
index c8a97501..42cd631e 100644
--- a/cadence/contracts/utils/SerializeNFT.cdc
+++ b/cadence/contracts/utils/SerializeNFT.cdc
@@ -41,7 +41,7 @@ access(all) contract SerializeNFT {
             return ""
         }
         // Init the data format prefix & concatenate the serialized display & attributes
-        var serializedMetadata = "data:application/json;ascii,{"
+        var serializedMetadata = "data:application/json;utf8,{"
         if display != nil {
             serializedMetadata = serializedMetadata.concat(display!)
         }
diff --git a/cadence/tests/serialize_nft_tests.cdc b/cadence/tests/serialize_nft_tests.cdc
index efd97991..ef0e1bbc 100644
--- a/cadence/tests/serialize_nft_tests.cdc
+++ b/cadence/tests/serialize_nft_tests.cdc
@@ -91,7 +91,7 @@ fun testSerializeNFTSucceeds() {
     mintedBlockHeight = heightResult.returnValue! as! UInt64
     let heightString = mintedBlockHeight.toString()
 
-    let expectedPrefix = "data:application/json;ascii,{\"name\": \"ExampleNFT\", \"description\": \"Example NFT Collection\", \"image\": \"https://flow.com/examplenft.jpg\", \"external_url\": \"https://example-nft.onflow.org\", "
+    let expectedPrefix = "data:application/json;utf8,{\"name\": \"ExampleNFT\", \"description\": \"Example NFT Collection\", \"image\": \"https://flow.com/examplenft.jpg\", \"external_url\": \"https://example-nft.onflow.org\", "
     let altSuffix1 = "\"attributes\": [{\"trait_type\": \"mintedBlock\", \"value\": \"".concat(heightString).concat("\"},{\"trait_type\": \"foo\", \"value\": \"nil\"}]}")
     let altSuffix2 = "\"attributes\": [{\"trait_type\": \"foo\", \"value\": \"nil\"}]}, {\"trait_type\": \"mintedBlock\", \"value\": \"".concat(heightString).concat("\"}")