refactor: submit uses cbor bytes (#58)

Signed-off-by: Chris Gianelloni <[email protected]>

Author: wolf31o2

package-lock.json

@@ -15,7 +15,7 @@
   },
   "dependencies": {
     "@cardano-foundation/cardano-connect-with-wallet": "^0.2.14",
-    "@harmoniclabs/cardano-ledger-ts": "^0.4.0-dev15",
+    "@harmoniclabs/cardano-ledger-ts": "^0.4.0-dev16",
     "@tailwindcss/vite": "^4.1.10",
     "@tanstack/react-query": "^5.83.0",
     "react": "^19.1.0",

package.json

@@ -139,14 +139,19 @@ export function getClientProfile(request: ClientProfileRequest): Promise<string>
 
 export function submitTransaction(signedTxCbor: string): Promise<string> {
   const url = `${API_BASE_URL}/tx/submit`
-  
+
+  var arr = [];
+  for (var i = 0, len = signedTxCbor.length; i < len; i+=2) {
+    arr.push(parseInt(signedTxCbor.substr(i,2),16));
+  }
+  const bodyBytes = new Uint8Array(arr);
   return fetch(url, {
     method: 'POST',
     headers: {
       'Content-Type': 'application/cbor',
       'accept': 'application/json',
     },
-    body: signedTxCbor,
+    body: bodyBytes,
   }).then(async (response) => {
     if (!response.ok) {
       const errorText = await response.text()
@@ -155,4 +160,4 @@ export function submitTransaction(signedTxCbor: string): Promise<string> {
 
     return response.text()
   })
-} 
+}