Use borrowed array instead of vector as param

Author: Gabriel Comte

client/src/client.rs

@@ -443,7 +443,7 @@ pub trait RpcApi: Sized {
         self.call("getblockstats", &[height.into()])
     }
 
-    fn get_block_stats_fields(&self, height: u64, fields: &Vec<json::BlockStatsFields>) -> Result<json::GetBlockStatsResultPartial> {
+    fn get_block_stats_fields(&self, height: u64, fields: &[json::BlockStatsFields]) -> Result<json::GetBlockStatsResultPartial> {
         let fields: Vec<&str> = fields.iter()
             .map(|field| field.get_rpc_keyword())
             .collect();

integration_test/src/main.rs

@@ -324,7 +324,7 @@ fn test_get_block_stats_fields(cl: &Client) {
     let tip = cl.get_block_count().unwrap();
     let tip_hash = cl.get_best_block_hash().unwrap();
     let header = cl.get_block_header(&tip_hash).unwrap();
-    let fields = vec![BlockStatsFields::BlockHash, BlockStatsFields::Height, BlockStatsFields::TotalFee];
+    let fields = [BlockStatsFields::BlockHash, BlockStatsFields::Height, BlockStatsFields::TotalFee];
     let stats = cl.get_block_stats_fields(tip, &fields).unwrap();
     assert_eq!(header.block_hash(), stats.block_hash.unwrap());
     assert_eq!(tip, stats.height.unwrap());