From bb237a3f15c72daaf5324356d9bf2607de36338e Mon Sep 17 00:00:00 2001
From: Daan van der Plas <daanvdplas@live.nl>
Date: Mon, 30 Oct 2023 15:40:37 +0100
Subject: [PATCH] Simplify chain config

---
 examples/parachain-example/src/main.rs | 20 ++++----------------
 1 file changed, 4 insertions(+), 16 deletions(-)

diff --git a/examples/parachain-example/src/main.rs b/examples/parachain-example/src/main.rs
index f195872a2d..71c774bed8 100644
--- a/examples/parachain-example/src/main.rs
+++ b/examples/parachain-example/src/main.rs
@@ -1,5 +1,5 @@
 use subxt::{
-    config::{Config, PolkadotConfig, DefaultExtrinsicParams, DefaultExtrinsicParamsBuilder},
+    PolkadotConfig,
     utils::{AccountId32, MultiAddress},
     OnlineClient,
 };
@@ -8,21 +8,9 @@ use subxt_signer::sr25519::dev::{self};
 #[subxt::subxt(runtime_metadata_path = "statemint_metadata.scale")]
 pub mod statemint {}
 
-/// Custom config that works with Statemint:
-pub enum StatemintConfig {}
-
-impl Config for StatemintConfig {
-    type Hash = <PolkadotConfig as Config>::Hash;
-    type AccountId = <PolkadotConfig as Config>::AccountId;
-    type Address = <PolkadotConfig as Config>::Address;
-    type Signature = <PolkadotConfig as Config>::Signature;
-    type Hasher = <PolkadotConfig as Config>::Hasher;
-    type Header = <PolkadotConfig as Config>::Header;
-    type ExtrinsicParams = StatemintExtriniscParams<Self>;
-}
-
-pub type StatemintExtriniscParams<T> = DefaultExtrinsicParams<T>;
-pub type StatemintExtrinsicParamsBuilder<T> = DefaultExtrinsicParamsBuilder<T>;
+// PolkadotConfig or SubstrateConfig will suffice for this example at the moment,
+// but PolkadotConfig is a little more correct, having the right `Address` type.
+type StatemintConfig = PolkadotConfig;
 
 #[tokio::main]
 pub async fn main() {