Check for null microCoin and allow empty custom denom

components/forms/CreateTxForm/MsgForm/MsgCreateVestingAccountForm.tsx

@@ -76,6 +76,10 @@ const MsgCreateVestingAccountForm = ({
 
     const microCoin = (() => {
       try {
+        if (!amount || amount === "0") {
+          return null;
+        }
+
         return macroCoinToMicroCoin({ denom: chain.displayDenom, amount }, chain.assets);
       } catch {
         return null;

components/forms/CreateTxForm/MsgForm/MsgExecuteContractForm.tsx

@@ -73,7 +73,12 @@ const MsgExecuteContractForm = ({
         return false;
       }
 
-      if (selectedDenom.value === customDenomOption.value && !customDenom) {
+      if (
+        selectedDenom.value === customDenomOption.value &&
+        !customDenom &&
+        amount &&
+        amount !== "0"
+      ) {
         setCustomDenomError("Custom denom must be set because of selection above");
         return false;
       }
@@ -102,6 +107,10 @@ const MsgExecuteContractForm = ({
 
     const microCoin = (() => {
       try {
+        if (!denom || !amount || amount === "0") {
+          return null;
+        }
+
         return macroCoinToMicroCoin({ denom, amount }, chain.assets);
       } catch {
         return null;
@@ -124,6 +133,8 @@ const MsgExecuteContractForm = ({
       funds: microCoin ? [microCoin] : [],
     });
 
+    console.log({ msgValue });
+
     const msg: MsgExecuteContractEncodeObject = { typeUrl: MsgTypeUrls.Execute, value: msgValue };
 
     setMsgGetter({ isMsgValid, msg });

components/forms/CreateTxForm/MsgForm/MsgInstantiateContract2Form.tsx

@@ -101,7 +101,12 @@ const MsgInstantiateContract2Form = ({
         return false;
       }
 
-      if (selectedDenom.value === customDenomOption.value && !customDenom) {
+      if (
+        selectedDenom.value === customDenomOption.value &&
+        !customDenom &&
+        amount &&
+        amount !== "0"
+      ) {
         setCustomDenomError("Custom denom must be set because of selection above");
         return false;
       }
@@ -131,6 +136,10 @@ const MsgInstantiateContract2Form = ({
 
     const microCoin = (() => {
       try {
+        if (!denom || !amount || amount === "0") {
+          return null;
+        }
+
         return macroCoinToMicroCoin({ denom, amount }, chain.assets);
       } catch {
         return null;

components/forms/CreateTxForm/MsgForm/MsgInstantiateContractForm.tsx

@@ -87,7 +87,12 @@ const MsgInstantiateContractForm = ({
         return false;
       }
 
-      if (selectedDenom.value === customDenomOption.value && !customDenom) {
+      if (
+        selectedDenom.value === customDenomOption.value &&
+        !customDenom &&
+        amount &&
+        amount !== "0"
+      ) {
         setCustomDenomError("Custom denom must be set because of selection above");
         return false;
       }
@@ -117,6 +122,10 @@ const MsgInstantiateContractForm = ({
 
     const microCoin = (() => {
       try {
+        if (!denom || !amount || amount === "0") {
+          return null;
+        }
+
         return macroCoinToMicroCoin({ denom, amount }, chain.assets);
       } catch {
         return null;

components/forms/CreateTxForm/MsgForm/MsgSendForm.tsx

@@ -57,7 +57,12 @@ const MsgSendForm = ({ fromAddress, setMsgGetter, deleteMsg }: MsgSendFormProps)
         return false;
       }
 
-      if (selectedDenom.value === customDenomOption.value && !customDenom) {
+      if (
+        selectedDenom.value === customDenomOption.value &&
+        !customDenom &&
+        amount &&
+        amount !== "0"
+      ) {
         setCustomDenomError("Custom denom must be set because of selection above");
         return false;
       }
@@ -87,6 +92,10 @@ const MsgSendForm = ({ fromAddress, setMsgGetter, deleteMsg }: MsgSendFormProps)
 
     const microCoin = (() => {
       try {
+        if (!denom || !amount || amount === "0") {
+          return null;
+        }
+
         return macroCoinToMicroCoin({ denom, amount }, chain.assets);
       } catch {
         return null;