feat: add chs_signature and indexer_signature

apps/indexer-proxy/proxy/src/payg.rs

@@ -741,16 +741,30 @@ pub async fn extend_channel(
 
     // send to coordinator
     let expired_at = expired + expiration as i64;
+    let account = ACCOUNT.read().await;
+    let indexer_sign = extend_sign2(
+        channel_id,
+        indexer,
+        state_cache.agent,
+        new_price,
+        U256::from(expired),
+        U256::from(expiration),
+        &account.controller,
+    )
+    .await?;
+    drop(account);
+    let indexer_sign = convert_sign_to_string(&indexer_sign);
     let mdata = format!(
         r#"mutation {{
              channelExtend(
                id:"{:#X}",
                expiration:{},
                price:"{}",
-             )
+               indexerSign:{},
+               consumerSign:{}
            {{ id, expiredAt }}
         }}"#,
-        channel_id, expired_at, new_price,
+        channel_id, expired_at, new_price, indexer_sign, signature
     );
     let url = COMMAND.graphql_url();
     let query = GraphQLQuery::query(&mdata);
@@ -763,20 +777,7 @@ pub async fn extend_channel(
         return Err(Error::ServiceException(1202));
     }
 
-    let account = ACCOUNT.read().await;
-    let indexer_sign = extend_sign2(
-        channel_id,
-        indexer,
-        state_cache.agent,
-        new_price,
-        U256::from(expired),
-        U256::from(expiration),
-        &account.controller,
-    )
-    .await?;
-    drop(account);
-
-    Ok(convert_sign_to_string(&indexer_sign))
+    Ok(indexer_sign)
 }
 
 pub async fn pay_channel(mut state: QueryState) -> Result<String> {