Updating Example, using Map instead of Object;

balancer · Jun 16, 2023 · 6a17d8f · 6a17d8f
1 parent f68e4a9
commit 6a17d8f
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Showing 2 changed files with 13 additions and 15 deletions.
diff --git a/balancer-js/examples/pools/queries.ts b/balancer-js/examples/pools/queries.ts
@@ -22,18 +22,17 @@ const {
 const queryJoin = async (pool: PoolWithMethods) => {
   const token = pool.tokensList[0];
   const joinExactInQuery = pool.buildQueryJoinExactIn({
-    maxAmountsIn: pool.tokensList.map((t) =>
-      parseEther(t === token ? '1' : '0')
-    ),
+    maxAmountsIn: [parseEther('1')],
+    tokensIn: [token]
   });
 
   const response = await contracts.balancerHelpers.callStatic.queryJoin(
     ...joinExactInQuery
   );
 
-  console.log(`Joining ${pool.poolType}`);
+  console.log(`Joining ${ pool.poolType }`);
   console.table({
-    tokens: pool.tokensList.map((t) => `${t.slice(0, 6)}...${t.slice(38, 42)}`),
+    tokens: pool.tokensList.map((t) => `${ t.slice(0, 6) }...${ t.slice(38, 42) }`),
     amountsIn: response.amountsIn.map(formatEther),
     bptOut: formatEther(response.bptOut),
   });
@@ -50,9 +49,9 @@ const queryExit = async (pool: PoolWithMethods) => {
     ...exitToSingleToken
   );
 
-  console.log(`Exiting ${pool.poolType}`);
+  console.log(`Exiting ${ pool.poolType }`);
   console.table({
-    tokens: pool.tokensList.map((t) => `${t.slice(0, 6)}...${t.slice(38, 42)}`),
+    tokens: pool.tokensList.map((t) => `${ t.slice(0, 6) }...${ t.slice(38, 42) }`),
     amountsOut: response.amountsOut.map(formatEther),
     bptIn: formatEther(response.bptIn),
   });

diff --git a/balancer-js/src/modules/pools/queries/params_builder.ts b/balancer-js/src/modules/pools/queries/params_builder.ts
@@ -35,19 +35,18 @@ export class ParamsBuilder implements PoolQueries.ParamsBuilder {
       this.pool.id.includes(token)
     );
     // Sort amounts in by token address
-    const tokenMaxAmountsInByAddress: { [key: string]: BigNumber } =
-      tokensIn.reduce((acc, tokenAddress, index) => {
-        return {
-          ...acc,
-          [tokenAddress]: maxAmountsIn[index],
-        };
-      }, {});
+    const tokenMaxAmountsInByAddress: Map<string, BigNumber> = tokensIn.reduce(
+      (acc, tokenAddress, index) => {
+        return acc.set(tokenAddress, maxAmountsIn[index]);
+      },
+      new Map<string, BigNumber>()
+    );
 
     const assets = [...this.pool.tokensList];
 
     let maxInWithoutBpt = this.pool.tokensList.map(
       (tokenAddress) =>
-        tokenMaxAmountsInByAddress[tokenAddress] ?? BigNumber.from('0')
+        tokenMaxAmountsInByAddress.get(tokenAddress) ?? BigNumber.from('0')
     );
     // Remove BPT token from amounts for user data
     if (bptIndex > -1) {