Fix serialization issue

.gitignore

@@ -14,4 +14,6 @@ target/
 
 .vscode/
 
-.env
+.env
+
+**/.idea

backend-rust/docker-compose.yml

@@ -9,4 +9,4 @@ services:
       - ./data:/var/lib/postgresql/data
     environment:
       POSTGRES_PASSWORD: ${PGPASSWORD}
-      POSTGRES_DB: ccd-scan
+      POSTGRES_DB: ccdscan

backend-rust/src/graphql_api.rs

@@ -44,6 +44,7 @@ use sqlx::{postgres::types::PgInterval, PgPool};
 use std::{error::Error, mem, str::FromStr, sync::Arc};
 use tokio::{net::TcpListener, sync::broadcast};
 use tokio_util::sync::CancellationToken;
+use tracing::error;
 use transaction_metrics::TransactionMetricsQuery;
 
 const VERSION: &str = clap::crate_version!();
@@ -4159,7 +4160,6 @@ pub fn events_from_summary(
             } => {
                 vec![Event::DataRegistered(DataRegistered {
                     data_as_hex: hex::encode(data.as_ref()),
-                    decoded:     DecodedText::from_bytes(data.as_ref()),
                 })]
             }
             AccountTransactionEffects::BakerConfigured {
@@ -4675,7 +4675,6 @@ impl TryFrom<concordium_rust_sdk::types::RejectReason> for TransactionRejectReas
 impl From<concordium_rust_sdk::types::Memo> for TransferMemo {
     fn from(value: concordium_rust_sdk::types::Memo) -> Self {
         TransferMemo {
-            decoded: DecodedText::from_bytes(value.as_ref()),
             raw_hex: hex::encode(value.as_ref()),
         }
     }
@@ -4917,11 +4916,23 @@ pub struct CredentialsUpdated {
 }
 
 #[derive(SimpleObject, serde::Serialize, serde::Deserialize)]
+#[graphql(complex)]
 pub struct DataRegistered {
-    decoded:     DecodedText,
     data_as_hex: String,
 }
 
+#[ComplexObject]
+impl DataRegistered {
+    async fn decoded(&self) -> ApiResult<DecodedText> {
+        let decoded_data = hex::decode(&self.data_as_hex).map_err(|e| {
+            error!("Invalid hex encoding {:?} in a controlled environment", e);
+            ApiError::InternalError("Failed to decode hex data".to_string())
+        })?;
+
+        Ok(DecodedText::from_bytes(decoded_data.as_slice()))
+    }
+}
+
 #[derive(SimpleObject, serde::Serialize, serde::Deserialize)]
 pub struct DecodedText {
     text:        String,
@@ -5004,11 +5015,23 @@ impl TryFrom<concordium_rust_sdk::types::NewEncryptedAmountEvent> for NewEncrypt
 }
 
 #[derive(SimpleObject, serde::Serialize, serde::Deserialize)]
+#[graphql(complex)]
 pub struct TransferMemo {
-    decoded: DecodedText,
     raw_hex: String,
 }
 
+#[ComplexObject]
+impl TransferMemo {
+    async fn decoded(&self) -> ApiResult<DecodedText> {
+        let decoded_data = hex::decode(&self.raw_hex).map_err(|e| {
+            error!("Invalid hex encoding {:?} in a controlled environment", e);
+            ApiError::InternalError("Failed to decode hex data".to_string())
+        })?;
+
+        Ok(DecodedText::from_bytes(decoded_data.as_slice()))
+    }
+}
+
 #[derive(SimpleObject, serde::Serialize, serde::Deserialize)]
 pub struct TransferredWithSchedule {
     from_account_address: AccountAddress,