Merge pull request #39 from interlay/tom/usdt-transfer-fee-change

wip: change fee currency

Author: tomjeatt

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@interlay/bridge",
-  "version": "0.1.13",
+  "version": "0.1.14",
   "description": "polkawallet bridge sdk",
   "main": "build/index.js",
   "typings": "build/index.d.ts",

src/adapters/interlay.ts

@@ -32,7 +32,7 @@ export const interlayRoutersConfig: Omit<CrossChainRouterConfigs, "from">[] = [
     to: "statemint",
     token: "USDT",
     xcm: {
-      fee: { token: "DOT", amount: "1000000000" },
+      fee: { token: "USDT", amount: "1000000" },
       weightLimit: DEST_WEIGHT,
     },
   },
@@ -51,7 +51,7 @@ export const kintsugiRoutersConfig: Omit<CrossChainRouterConfigs, "from">[] = [
     to: "statemine",
     token: "USDT",
     xcm: {
-      fee: { token: "KSM", amount: "1500000000" },
+      fee: { token: "USDT", amount: "10000" },
       weightLimit: DEST_WEIGHT,
     },
   },
@@ -241,25 +241,6 @@ class BaseInterlayAdapter extends BaseCrossChainAdapter {
       };
     }
 
-    if (
-      isChainEqual(toChain, "statemine") ||
-      isChainEqual(toChain, "statemint")
-    ) {
-      const destFee = this.getCrossChainFee(token, to);
-      const destWeight = this.getDestWeight(token, to);
-
-      // do the needful, use multi currencies
-      return this.api.tx.xTokens.transferMulticurrencies(
-        [
-          [tokenId, amount.toChainData()],
-          [{ Token: destFee.token }, destFee.balance.toChainData()],
-        ],
-        1,
-        { V1: dst },
-        destWeight?.toString()
-      );
-    }
-
     return this.api.tx.xTokens.transfer(
       tokenId,
       amount.toChainData(),