Ensure Msg requests in token are rounded to minimum denom integers

duality-labs · Aug 3, 2022 · 6ac3624 · 6ac3624
1 parent 06e8bd4
commit 6ac3624
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Showing 2 changed files with 9 additions and 4 deletions.
diff --git a/.env b/.env
@@ -17,6 +17,7 @@ REACT_APP__CHAIN_ID=duality
 REACT_APP__CHAIN_NAME=Duality testnet
 REACT_APP__COIN_DENOM=COSMOS
 REACT_APP__COIN_MIN_DENOM=token
+REACT_APP__COIN_MIN_DENOM_EXP=1E-18
 REACT_APP__REST_API=http://localhost:1317
 REACT_APP__RPC_API=http://localhost:26657
 REACT_APP__WEBSOCKET_URL=ws://localhost:26657/websocket
diff --git a/src/pages/Swap/Swap.tsx b/src/pages/Swap/Swap.tsx
@@ -15,6 +15,9 @@ import { useSwap } from './hooks/useSwap';
 
 import './Swap.scss';
 
+const { REACT_APP__COIN_MIN_DENOM_EXP = '0' } = process.env;
+const denomExponent = parseFloat(REACT_APP__COIN_MIN_DENOM_EXP);
+
 export default function Swap() {
   const { address } = useWeb3();
   const { data: tokenList = [], isValidating: isValidaingTokens } = useTokens();
@@ -68,12 +71,13 @@ export default function Swap() {
       if (address && routerResult) {
         // convert to swap request format
         const result = routerResult;
+        // Cosmos requires tokens in integer format of smallest denomination
         setSwapRequest({
-          amountIn: result.amountIn.toString(),
-          tokenIn: result.tokenIn.toString(),
-          tokenOut: result.tokenOut.toString(),
+          amountIn: result.amountIn.toFixed(denomExponent),
+          tokenIn: result.tokenIn,
+          tokenOut: result.tokenOut,
           // TODO: add tolerance factor
-          minOut: result.amountOut.toString(),
+          minOut: result.amountOut.toFixed(denomExponent),
           creator: address,
         });
       }