From fc77a81102d765295e7c2e365e2aafe05d76ee66 Mon Sep 17 00:00:00 2001
From: Herry Ho <45537372+herryho@users.noreply.github.com>
Date: Mon, 11 Oct 2021 14:59:41 +0800
Subject: [PATCH] delete multiweighttraders (#340)

---
 runtime/common/src/xcm_impl.rs | 89 ----------------------------------
 1 file changed, 89 deletions(-)

diff --git a/runtime/common/src/xcm_impl.rs b/runtime/common/src/xcm_impl.rs
index 2696a437e..2c0c5cf89 100644
--- a/runtime/common/src/xcm_impl.rs
+++ b/runtime/common/src/xcm_impl.rs
@@ -187,92 +187,3 @@ impl Convert<AccountId, MultiLocation> for BifrostAccountIdToMultiLocation {
 		X1(AccountId32 { network: NetworkId::Any, id: account.into() }).into()
 	}
 }
-
-// The implementation of multiple fee trader
-pub struct MultiWeightTraders<KsmTrader, BncTrader, KarTrader, KusdTrader, VsksmTrader> {
-	ksm_trader: KsmTrader,
-	bnc_trader: BncTrader,
-	kar_trader: KarTrader,
-	kusd_trader: KusdTrader,
-	vsksm_trader: VsksmTrader,
-}
-
-impl<
-		KsmTrader: WeightTrader,
-		BncTrader: WeightTrader,
-		KarTrader: WeightTrader,
-		KusdTrader: WeightTrader,
-		VsksmTrader: WeightTrader,
-	> WeightTrader for MultiWeightTraders<KsmTrader, BncTrader, KarTrader, KusdTrader, VsksmTrader>
-{
-	fn new() -> Self {
-		Self {
-			ksm_trader: KsmTrader::new(),
-			bnc_trader: BncTrader::new(),
-			kar_trader: KarTrader::new(),
-			kusd_trader: KusdTrader::new(),
-			vsksm_trader: VsksmTrader::new(),
-			// dummy_trader: DummyTrader::new(),
-		}
-	}
-	fn buy_weight(&mut self, weight: Weight, payment: Assets) -> Result<Assets, XcmError> {
-		if let Ok(assets) = self.ksm_trader.buy_weight(weight, payment.clone()) {
-			return Ok(assets);
-		}
-
-		if let Ok(assets) = self.bnc_trader.buy_weight(weight, payment.clone()) {
-			return Ok(assets);
-		}
-
-		if let Ok(assets) = self.kar_trader.buy_weight(weight, payment.clone()) {
-			return Ok(assets);
-		}
-
-		if let Ok(assets) = self.kusd_trader.buy_weight(weight, payment.clone()) {
-			return Ok(assets);
-		}
-
-		if let Ok(assets) = self.vsksm_trader.buy_weight(weight, payment) {
-			return Ok(assets);
-		}
-
-		// if let Ok(asset) = self.dummy_trader.buy_weight(weight, payment) {
-		// 	return Ok(assets)
-		// }
-
-		Err(XcmError::TooExpensive)
-	}
-
-	fn refund_weight(&mut self, weight: Weight) -> Option<MultiAsset> {
-		if weight.is_zero() {
-			None
-		} else {
-			let ksm = self.ksm_trader.refund_weight(weight);
-			if ksm.is_some() {
-				return ksm;
-			}
-
-			let bnc = self.bnc_trader.refund_weight(weight);
-			if bnc.is_some() {
-				return bnc;
-			}
-
-			let kar = self.kar_trader.refund_weight(weight);
-			if kar.is_some() {
-				return kar;
-			}
-
-			let kusd = self.kusd_trader.refund_weight(weight);
-			if kusd.is_some() {
-				return kusd;
-			}
-
-			let vsksm = self.kusd_trader.refund_weight(weight);
-			if vsksm.is_some() {
-				return vsksm;
-			}
-
-			None
-		}
-	}
-}