fix: onPieceAdded arg type is Hex (#402)

fix onPieceAdded arg; type is Hex

Author: wjmelements

docs/src/content/docs/intro/getting-started.mdx

@@ -586,11 +586,11 @@ const result = await context.upload(data, {
   onUploadComplete: (pieceCid) => {
     console.log(`Upload complete! PieceCID: ${pieceCid}`)
   },
-  onPieceAdded: (transaction) => {
+  onPieceAdded: (transactionHash) => {
     // For new servers: transaction object with details
     // For old servers: undefined (backward compatible)
-    if (transaction) {
-      console.log(`Transaction confirmed: ${transaction.hash}`)
+    if (transactionHash) {
+      console.log(`Transaction confirmed: ${transactionHash}`)
     } else {
       console.log('Data added to data set (legacy server)')
     }

examples/cli/src/commands/upload.ts

@@ -70,8 +70,8 @@ export const upload: Command = command(
         metadata: {
           name: path.basename(absolutePath),
         },
-        onPieceAdded(transaction) {
-          p.log.info(`Piece added, tx: ${transaction}`)
+        onPieceAdded(transactionHash) {
+          p.log.info(`Piece added, tx: ${transactionHash}`)
         },
         onPieceConfirmed(pieceIds) {
           p.log.info(`Piece confirmed: ${pieceIds.join(', ')}`)

utils/example-storage-e2e.js

@@ -250,8 +250,8 @@ async function main() {
         onUploadComplete: (pieceCid) => {
           console.log(`✓ ${pfx}Upload complete! PieceCID: ${pieceCid}`)
         },
-        onPieceAdded: (transaction) => {
-          console.log(`✓ ${pfx}Piece addition transaction: ${transaction.hash}`)
+        onPieceAdded: (transactionHash) => {
+          console.log(`✓ ${pfx}Piece addition transaction: ${transactionHash}`)
         },
         onPieceConfirmed: (pieceIds) => {
           console.log(`✓ ${pfx}Piece addition confirmed! IDs: ${pieceIds.join(', ')}`)