MeshJS · jinglescode · Jun 5, 2026 · Jun 5, 2026
diff --git a/package.json b/package.json
@@ -28,10 +28,10 @@
   },
   "dependencies": {
     "@auth/prisma-adapter": "^2.11.1",
-    "@meshsdk/core": "^1.9.0-beta.104",
-    "@meshsdk/core-csl": "^1.9.0-beta.104",
-    "@meshsdk/core-cst": "^1.9.0-beta.87",
-    "@meshsdk/provider": "^1.9.0-beta.86",
+    "@meshsdk/core": "^1.9.0",
+    "@meshsdk/core-csl": "^1.9.0",
+    "@meshsdk/core-cst": "^1.9.0",
+    "@meshsdk/provider": "^1.9.0-beta.101",
     "@meshsdk/react": "^2.0.0-beta.2",
     "@octokit/core": "^6.1.2",
     "@prisma/client": "^7.8.0",

diff --git a/src/components/multisig/proxy/ProxyControl.tsx b/src/components/multisig/proxy/ProxyControl.tsx
@@ -170,27 +170,29 @@ export default function ProxyControl() {
     if (isWalletReady && activeWallet) {
       // Only initialize once
       if (!contractInitializedRef.current) {
-        try {
-          const txBuilder = getTxBuilder(network);
-          const contract = new MeshProxyContract(
-            {
-              mesh: txBuilder,
-              wallet: activeWallet,
-              networkId: network,
-            },
-            {},
-            appWallet?.scriptCbor ?? undefined,
-          );
-          setProxyContract(contract);
-          contractInitializedRef.current = true;
-        } catch (error) {
-          console.error("[ProxyContract] Failed to initialize:", error);
-          toast({
-            title: "Error",
-            description: "Failed to initialize proxy contract",
-            variant: "destructive",
-          });
-        }
+        (async () => {
+          try {
+            const txBuilder = await getTxBuilder(network);
+            const contract = new MeshProxyContract(
+              {
+                mesh: txBuilder,
+                wallet: activeWallet,
+                networkId: network,
+              },
+              {},
+              appWallet?.scriptCbor ?? undefined,
+            );
+            setProxyContract(contract);
+            contractInitializedRef.current = true;
+          } catch (error) {
+            console.error("[ProxyContract] Failed to initialize:", error);
+            toast({
+              title: "Error",
+              description: "Failed to initialize proxy contract",
+              variant: "destructive",
+            });
+          }
+        })();
       }
     } else {
       // Clear contract if wallet is not ready
@@ -432,7 +434,7 @@ export default function ProxyControl() {
       // Create a temporary contract instance for this proxy
       const tempContract = new MeshProxyContract(
         {
-          mesh: getTxBuilder(network),
+          mesh: await getTxBuilder(network),
           wallet: activeWallet,
           networkId: network,
         },
@@ -456,7 +458,7 @@ export default function ProxyControl() {
       // Create a temporary contract instance for this proxy
       const tempContract = new MeshProxyContract(
         {
-          mesh: getTxBuilder(network),
+          mesh: await getTxBuilder(network),
           wallet: activeWallet,
           networkId: network,
         },
@@ -605,7 +607,7 @@ export default function ProxyControl() {
 
       const selectedProxyContract = new MeshProxyContract(
         {
-          mesh: getTxBuilder(network),
+          mesh: await getTxBuilder(network),
           wallet: activeWallet,
           networkId: network,
         },

diff --git a/src/components/pages/homepage/governance/drep/id/delegateButton.tsx b/src/components/pages/homepage/governance/drep/id/delegateButton.tsx
@@ -49,7 +49,7 @@ export default function DelegateButton({ drepid }: { drepid: string }) {
       }
 
       // console.log("Building delegation transaction...");
-      const txBuilder = getTxBuilder(await wallet.getNetworkId());
+      const txBuilder = await getTxBuilder(await wallet.getNetworkId());
       txBuilder
         .voteDelegationCertificate({ dRepId: drepid }, rewardAddress)
         .changeAddress(changeAddress)

diff --git a/src/components/pages/wallet/governance/ballot/ballot.tsx b/src/components/pages/wallet/governance/ballot/ballot.tsx
@@ -288,7 +288,7 @@ export default function BallotCard({
       const proxy = proxies.find((p: any) => p.id === selectedProxyId);
       if (!proxy) throw new Error("Proxy not found");
 
-      const meshTxBuilder = getTxBuilder(network);
+      const meshTxBuilder = await getTxBuilder(network);
       const proxyContract = new MeshProxyContract(
         {
           mesh: meshTxBuilder,
@@ -436,7 +436,7 @@ export default function BallotCard({
         setAlert("Change address not found");
         return;
       }
-      const txBuilder = getTxBuilder(network);
+      const txBuilder = await getTxBuilder(network);
 
       // Ensure minimum ADA for fee and voting
       const assetMap = new Map<Unit, Quantity>();

diff --git a/src/components/pages/wallet/governance/cCommitee/voteCC.tsx b/src/components/pages/wallet/governance/cCommitee/voteCC.tsx
@@ -103,7 +103,7 @@ export default function VoteCC({
 
     setLoading(true);
     try {
-      const txBuilder = getTxBuilder(network);
+      const txBuilder = await getTxBuilder(network);
       const paymentScript = appWallet.scriptCbor;
       if (!paymentScript) return;
 
@@ -145,7 +145,7 @@ export default function VoteCC({
       });
       // send discord message
       await sendDiscordMessage(
-        discordIds,
+        discordIds as [],
         `**NEW MULTISIG TRANSACTION:** A new CC Vote was created for your wallet: ${appWallet.name}. Review it here: ${window.location.origin}/wallets/${appWallet.id}/transactions`,
       );
       router.push(`/wallets/${appWallet.id}/transactions`);

diff --git a/src/components/pages/wallet/governance/card-info.tsx b/src/components/pages/wallet/governance/card-info.tsx
@@ -89,7 +89,7 @@ export default function CardInfo({ appWallet, manualUtxos }: { appWallet: Wallet
       }, 10000); // 10 second timeout
 
       try {
-        const txBuilder = getTxBuilder(network);
+        const txBuilder = await getTxBuilder(network);
         const proxyContract = new MeshProxyContract(
           {
             mesh: txBuilder,

diff --git a/src/components/pages/wallet/governance/drep/registerDrep.tsx b/src/components/pages/wallet/governance/drep/registerDrep.tsx
@@ -132,7 +132,7 @@ export default function RegisterDRep({ onClose }: RegisterDRepProps = {}) {
     }
 
     setLoading(true);
-    const txBuilder = getTxBuilder(network);
+    const txBuilder = await getTxBuilder(network);
 
     // For legacy wallets (no multisigWallet), use appWallet values directly (preserves input order)
     // For SDK wallets, use multisigWallet to compute DRep ID and script
@@ -281,7 +281,7 @@ export default function RegisterDRep({ onClose }: RegisterDRepProps = {}) {
       }
 
       // Create proxy contract instance with the selected proxy
-      const txBuilder = getTxBuilder(network);
+      const txBuilder = await getTxBuilder(network);
       const proxyContract = new MeshProxyContract(
         {
           mesh: txBuilder,

diff --git a/src/components/pages/wallet/governance/drep/retire.tsx b/src/components/pages/wallet/governance/drep/retire.tsx
@@ -92,7 +92,7 @@ export default function Retire({ appWallet, manualUtxos }: { appWallet: Wallet;
       }
 
       // Create proxy contract instance
-      const txBuilder = getTxBuilder(network);
+      const txBuilder = await getTxBuilder(network);
       const proxyContract = new MeshProxyContract(
         {
           mesh: txBuilder,
@@ -171,7 +171,7 @@ export default function Retire({ appWallet, manualUtxos }: { appWallet: Wallet;
         return;
       }
 
-      const txBuilder = getTxBuilder(network);
+      const txBuilder = await getTxBuilder(network);
 
       // For legacy wallets (no multisigWallet), use appWallet values directly (preserves input order)
       // For SDK wallets, use multisigWallet to compute DRep ID and script

diff --git a/src/components/pages/wallet/governance/drep/updateDrep.tsx b/src/components/pages/wallet/governance/drep/updateDrep.tsx
@@ -141,7 +141,7 @@ export default function UpdateDRep({ onClose }: UpdateDRepProps = {}) {
       const { utxos, walletAddress } = await getMsInputs();
 
       // Create proxy contract instance
-      const txBuilder = getTxBuilder(network);
+      const txBuilder = await getTxBuilder(network);
       const proxyContract = new MeshProxyContract(
         {
           mesh: txBuilder,
@@ -182,7 +182,7 @@ export default function UpdateDRep({ onClose }: UpdateDRepProps = {}) {
       throw new Error("Wallet not connected");
 
     setLoading(true);
-    const txBuilder = getTxBuilder(network);
+    const txBuilder = await getTxBuilder(network);
 
     // For legacy wallets (no multisigWallet), use appWallet values directly (preserves input order)
     // For SDK wallets, use multisigWallet to compute DRep ID and script

diff --git a/src/components/pages/wallet/governance/proposal/voteButtton.tsx b/src/components/pages/wallet/governance/proposal/voteButtton.tsx
@@ -131,7 +131,7 @@ export default function VoteButton({
       }
 
       // Create proxy contract instance
-      const txBuilder = getTxBuilder(network);
+      const txBuilder = await getTxBuilder(network);
       const proxyContract = new MeshProxyContract(
         {
           mesh: txBuilder,
@@ -265,7 +265,7 @@ export default function VoteButton({
         setAlert("Change address not found");
         return;
       }
-      const txBuilder = getTxBuilder(network);
+      const txBuilder = await getTxBuilder(network);
 
       const assetMap = new Map<Unit, Quantity>();
       assetMap.set("lovelace", "5000000");

diff --git a/src/components/pages/wallet/governance/proposals.tsx b/src/components/pages/wallet/governance/proposals.tsx
@@ -309,7 +309,7 @@ export default function AllProposals({ appWallet, utxos, selectedBallotId, onSel
 
         // Otherwise, calculate it from the proxy contract
         try {
-          const txBuilder = getTxBuilder(network);
+          const txBuilder = await getTxBuilder(network);
           const proxyContract = new MeshProxyContract(
             {
               mesh: txBuilder,

diff --git a/src/components/pages/wallet/info/migration/FundTransferStep.tsx b/src/components/pages/wallet/info/migration/FundTransferStep.tsx
@@ -217,7 +217,7 @@ export default function FundTransferStep({
         return;
       }
 
-      const txBuilder = getTxBuilder(network);
+      const txBuilder = await getTxBuilder(network);
 
       // Add all UTxOs as inputs
       for (const utxo of utxos) {

diff --git a/src/components/pages/wallet/new-transaction/deposit/index.tsx b/src/components/pages/wallet/new-transaction/deposit/index.tsx
@@ -199,7 +199,7 @@ export default function PageNewTransaction() {
         return;
       }
 
-      const txBuilder = getTxBuilder(network);
+      const txBuilder = await getTxBuilder(network);
 
       for (const utxo of selectedUtxos) {
         txBuilder.txIn(

diff --git a/src/components/pages/wallet/new-transaction/index.tsx b/src/components/pages/wallet/new-transaction/index.tsx
@@ -423,7 +423,7 @@ export default function PageNewTransaction({ onSuccess }: { onSuccess?: () => vo
         return;
       }
 
-      const txBuilder = getTxBuilder(network);
+      const txBuilder = await getTxBuilder(network);
       const paymentScript = appWallet.scriptCbor;
       if (!paymentScript) return;
 

diff --git a/src/components/pages/wallet/staking/StakingActions/stake.tsx b/src/components/pages/wallet/staking/StakingActions/stake.tsx
@@ -26,7 +26,7 @@ function buildStakingActionConfigs({
   poolHex,
   rewards,
 }: {
-  txBuilder: ReturnType<typeof getTxBuilder>;
+  txBuilder: Awaited<ReturnType<typeof getTxBuilder>>;
   rewardAddress: string;
   stakingScript: string;
   poolHex: string;
@@ -103,7 +103,7 @@ export default function StakeButton({
       const stakingScript = appWallet.stakeScriptCbor || mWallet.getStakingScript();
       if (!stakingScript) throw new Error("Staking Script could not be built.");
 
-      const txBuilder = getTxBuilder(network);
+      const txBuilder = await getTxBuilder(network);
       const selectedUtxos = utxos;
 
       for (const utxo of selectedUtxos) {

diff --git a/src/components/pages/wallet/transactions/all-transactions.tsx b/src/components/pages/wallet/transactions/all-transactions.tsx
@@ -387,7 +387,7 @@ function RowAction({
     );
 
     if (allTxInputsFromSameAddress) {
-      const txBuilder = getTxBuilder(network);
+      const txBuilder = await getTxBuilder(network);
 
       const _amount: { [unit: string]: number } = {};
 

diff --git a/src/components/pages/wallet/transactions/responsive-transactions-table.tsx b/src/components/pages/wallet/transactions/responsive-transactions-table.tsx
@@ -289,7 +289,7 @@ function RowAction({
     );
 
     if (allTxInputsFromSameAddress) {
-      const txBuilder = getTxBuilder(network);
+      const txBuilder = await getTxBuilder(network);
 
       const _amount: { [unit: string]: number } = {};
 

diff --git a/src/components/pages/wallet/transactions/send-all.tsx b/src/components/pages/wallet/transactions/send-all.tsx
@@ -59,7 +59,7 @@ export default function CardSendAll({ appWallet }: { appWallet: Wallet }) {
         appWallet.address,
       );
 
-      const txBuilder = getTxBuilder(network);
+      const txBuilder = await getTxBuilder(network);
 
       for (const utxo of utxos) {
         txBuilder.txIn(

diff --git a/src/lib/zustand/proxy.ts b/src/lib/zustand/proxy.ts
@@ -169,7 +169,7 @@ export const useProxyStore = create<ProxyState>()(
           get().setDrepLoading(proxyId, true);
           get().setDrepError(proxyId, null);
 
-          const txBuilder = getTxBuilder(parseInt(network));
+          const txBuilder = await getTxBuilder(parseInt(network));
           const proxyContract = new MeshProxyContract(
             {
               mesh: txBuilder,
@@ -215,7 +215,7 @@ export const useProxyStore = create<ProxyState>()(
           get().setDrepLoading(proxyId, true);
           get().setDrepError(proxyId, null);
 
-          const txBuilder = getTxBuilder(parseInt(network));
+          const txBuilder = await getTxBuilder(parseInt(network));
           const proxyContract = new MeshProxyContract(
             {
               mesh: txBuilder,
@@ -303,7 +303,7 @@ export const useProxyStore = create<ProxyState>()(
           get().setError(walletId, null);
 
           // Create a single txBuilder instance to reuse across all proxies
-          const txBuilder = getTxBuilder(parseInt(network));
+          const txBuilder = await getTxBuilder(parseInt(network));
 
           // Create all fetch promises in parallel
           const fetchPromises = proxies.map(async (proxy) => {

diff --git a/src/utils/get-tx-builder.ts b/src/utils/get-tx-builder.ts
@@ -2,7 +2,7 @@ import { MeshTxBuilder } from "@meshsdk/core";
 import { getProvider } from "@/utils/get-provider";
 // import { CSLSerializer } from "@meshsdk/core-csl";
 
-export function getTxBuilder(network: number) {
+export async function getTxBuilder(network: number) {
   const blockchainProvider = getProvider(network);
   const txBuilder = new MeshTxBuilder({
     fetcher: blockchainProvider,
@@ -15,5 +15,7 @@ export function getTxBuilder(network: number) {
   } else {
     txBuilder.setNetwork("preprod");
   }
+  const costModels = await blockchainProvider.fetchCostModels();
+  txBuilder.setCostModels(costModels);
   return txBuilder;
 }