3.0.0: Support special case raw binary strings (#878)

Author: jasonpaulos

examples/app.ts

@@ -132,29 +132,44 @@ async function main() {
 
   // example: APP_READ_STATE
   const appInfo = await algodClient.getApplicationByID(appId).do();
-  const globalState = appInfo.params.globalState[0];
-  console.log(`Raw global state - ${algosdk.stringifyJSON(globalState)}`);
+  if (!appInfo.params.globalState || appInfo.params.globalState.length === 0) {
+    throw new Error('Global state not present');
+  }
+  const { globalState } = appInfo.params;
+  console.log(
+    `Raw global state - ${globalState.map((kv) => algosdk.encodeJSON(kv))}`
+  );
 
-  // decode b64 string key with Buffer
-  const globalKey = algosdk.base64ToString(globalState.key);
+  const globalKey = algosdk.base64ToBytes(globalState[0].key);
   // show global value
-  const globalValue = globalState.value.bytes;
+  const globalValue = algosdk.base64ToBytes(globalState[0].value.bytes);
 
-  console.log(`Decoded global state - ${globalKey}: ${globalValue}`);
+  console.log(
+    `Decoded global state - ${algosdk.bytesToBase64(globalKey)}: ${algosdk.bytesToBase64(globalValue)}`
+  );
 
   const accountAppInfo = await algodClient
     .accountApplicationInformation(caller.addr, appId)
     .do();
+  if (
+    !accountAppInfo.appLocalState ||
+    !accountAppInfo.appLocalState.keyValue ||
+    accountAppInfo.appLocalState.keyValue.length === 0
+  ) {
+    throw new Error('Local state values not present');
+  }
+  const localState = accountAppInfo.appLocalState.keyValue;
+  console.log(
+    `Raw local state - ${localState.map((kv) => algosdk.encodeJSON(kv))}`
+  );
 
-  const localState = accountAppInfo.appLocalState.keyValue[0];
-  console.log(`Raw local state - ${algosdk.stringifyJSON(localState)}`);
-
-  // decode b64 string key with Buffer
-  const localKey = algosdk.base64ToString(localState.key);
+  const localKey = algosdk.base64ToBytes(localState[0].key);
   // get uint value directly
-  const localValue = localState.value.uint;
+  const localValue = localState[0].value.uint;
 
-  console.log(`Decoded local state - ${localKey}: ${localValue}`);
+  console.log(
+    `Decoded local state - ${algosdk.bytesToBase64(localKey)}: ${localValue}`
+  );
   // example: APP_READ_STATE
 
   // example: APP_CLOSEOUT

examples/codec.ts

@@ -20,7 +20,7 @@ async function main() {
 
   // example: CODEC_BASE64
   const b64Encoded = 'SGksIEknbSBkZWNvZGVkIGZyb20gYmFzZTY0';
-  const b64Decoded = algosdk.base64ToString(b64Encoded);
+  const b64Decoded = algosdk.base64ToBytes(b64Encoded);
   console.log(b64Encoded, b64Decoded);
   // example: CODEC_BASE64
 

package-lock.json

@@ -48,7 +48,7 @@
     "url": "git://github.com/algorand/js-algorand-sdk.git"
   },
   "dependencies": {
-    "algorand-msgpack": "^1.0.1",
+    "algorand-msgpack": "^1.1.0",
     "hi-base32": "^0.5.1",
     "js-sha256": "^0.9.0",
     "js-sha3": "^0.8.0",

package.json

@@ -13,18 +13,6 @@ export function base64ToBytes(base64String: string): Uint8Array {
   return Uint8Array.from(binString, (m) => m.codePointAt(0)!);
 }
 
-/**
- * Decode a base64 string for Node.js and browser environments.
- * @returns A decoded string
- */
-export function base64ToString(base64String: string): string {
-  if (isNode()) {
-    return Buffer.from(base64String, 'base64').toString();
-  }
-  const binString = base64ToBytes(base64String);
-  return new TextDecoder().decode(binString);
-}
-
 /**
  * Convert a Uint8Array to a base64 string for Node.js and browser environments.
  * @returns A base64 string
@@ -40,6 +28,14 @@ export function bytesToBase64(byteArray: Uint8Array): string {
   return btoa(binString);
 }
 
+/**
+ * Convert a byte array to a UTF-8 string. Warning: not all byte arrays are valid UTF-8.
+ * @returns A decoded string
+ */
+export function bytesToString(byteArray: Uint8Array): string {
+  return new TextDecoder().decode(byteArray);
+}
+
 /**
  * Returns a Uint8Array given an input string or Uint8Array.
  * @returns A base64 string