chore: Update example

examples/nextjs/README.md

@@ -36,7 +36,6 @@ NEXT_PUBLIC_BSC_CHAIN_ID=5601
 
 > this is TESTNET's configuration.
 
-
 Run the demo application: `npm run dev`
 
 ## Usage case
@@ -46,4 +45,6 @@ Run the demo application: `npm run dev`
   * [withdraw](./src/components/withdraw/index.tsx)
   * [bucket](./src/components/bucket/index.tsx)
   * [object](./src/components/object/index.tsx)
+    * [create object with tx](./src/components/object/create/withTx.tsx)
+    * [create object and uploading object by delegrated agent](./src/components/object/create/delegrate.tsx)
 * [query](./src/components/withdraw/query.tsx)

examples/nextjs/src/components/object/create/delegrate.tsx

@@ -0,0 +1,203 @@
+import { client } from '@/client';
+import { getOffchainAuthKeys } from '@/utils/offchainAuth';
+import {
+  bytesFromBase64,
+  Long,
+  RedundancyType,
+  VisibilityType,
+  OnProgressEvent,
+} from '@bnb-chain/greenfield-js-sdk';
+import { ReedSolomon } from '@bnb-chain/reed-solomon';
+import { ChangeEvent, useState } from 'react';
+import { useAccount } from 'wagmi';
+
+export const DelegrateObject = () => {
+  const { address, connector } = useAccount();
+  const [file, setFile] = useState<File>();
+  const [txHash, setTxHash] = useState<string>();
+  const [createObjectInfo, setCreateObjectInfo] = useState({
+    bucketName: '',
+    objectName: '',
+  });
+
+  return (
+    <div>
+      <>
+        <h4>Create Object and uploading by delegated agent</h4>
+        bucket name :
+        <input
+          value={createObjectInfo.bucketName}
+          placeholder="bucket name"
+          onChange={(e) => {
+            setCreateObjectInfo({ ...createObjectInfo, bucketName: e.target.value });
+          }}
+        />
+        <br />
+        object name :
+        <input
+          value={createObjectInfo.objectName}
+          placeholder="object name"
+          onChange={(e) => {
+            setCreateObjectInfo({ ...createObjectInfo, objectName: e.target.value });
+          }}
+        />
+        <br />
+        <input
+          type="file"
+          placeholder="select a file"
+          onChange={(e: ChangeEvent<HTMLInputElement>) => {
+            if (e.target.files) {
+              setFile(e.target.files[0]);
+            }
+          }}
+        />
+        <br />
+        <button
+          onClick={async () => {
+            if (!address || !file) return;
+
+            const provider = await connector?.getProvider();
+            const offChainData = await getOffchainAuthKeys(address, provider);
+            if (!offChainData) {
+              alert('No offchain, please create offchain pairs first');
+              return;
+            }
+
+            const uploadRes = await client.object.delegateUploadObject(
+              {
+                bucketName: createObjectInfo.bucketName,
+                objectName: createObjectInfo.objectName,
+                body: file,
+                delegatedOpts: {
+                  visibility: VisibilityType.VISIBILITY_TYPE_PUBLIC_READ,
+                },
+                onProgress: (e: OnProgressEvent) => {
+                  console.log('progress: ', e.percent);
+                },
+              },
+              {
+                type: 'EDDSA',
+                domain: window.location.origin,
+                seed: offChainData.seedString,
+                address,
+              },
+            );
+            console.log('uploadRes', uploadRes);
+
+            if (uploadRes.code === 0) {
+              alert('success');
+            }
+          }}
+        >
+          * delegated upload
+        </button>{' '}
+        <button
+          onClick={async () => {
+            if (!address || !file) return;
+
+            const provider = await connector?.getProvider();
+            const offChainData = await getOffchainAuthKeys(address, provider);
+            if (!offChainData) {
+              alert('No offchain, please create offchain pairs first');
+              return;
+            }
+
+            const uploadRes = await client.object.delegateUploadObject(
+              {
+                bucketName: createObjectInfo.bucketName,
+                objectName: createObjectInfo.objectName,
+                body: file,
+                timeout: 20000,
+                delegatedOpts: {
+                  visibility: VisibilityType.VISIBILITY_TYPE_PUBLIC_READ,
+                },
+                resumableOpts: {
+                  partSize: 1024 * 1024 * 16,
+                  disableResumable: false,
+                },
+              },
+              {
+                type: 'EDDSA',
+                domain: window.location.origin,
+                seed: offChainData.seedString,
+                address,
+              },
+            );
+            console.log('uploadRes', uploadRes);
+
+            if (uploadRes.code === 0) {
+              alert('success');
+            }
+          }}
+        >
+          * delegated resumable upload (part size is 16mb)
+        </button>
+        <br />
+        <button
+          onClick={async () => {
+            if (!address) return;
+
+            const provider = await connector?.getProvider();
+            const offChainData = await getOffchainAuthKeys(address, provider);
+            if (!offChainData) {
+              alert('No offchain, please create offchain pairs first');
+              return;
+            }
+
+            const res = await client.object.getObjectUploadProgress(
+              createObjectInfo.bucketName,
+              createObjectInfo.objectName,
+              {
+                type: 'EDDSA',
+                domain: window.location.origin,
+                seed: offChainData.seedString,
+                address,
+              },
+            );
+
+            alert('progress: ' + res);
+          }}
+        >
+          get object's upload progress
+        </button>
+        <br />
+        <button
+          onClick={async () => {
+            if (!address) return;
+
+            const provider = await connector?.getProvider();
+            const offChainData = await getOffchainAuthKeys(address, provider);
+            if (!offChainData) {
+              alert('No offchain, please create offchain pairs first');
+              return;
+            }
+
+            const res = await client.object.delegateCreateFolder(
+              {
+                bucketName: createObjectInfo.bucketName,
+                objectName: createObjectInfo.objectName,
+                delegatedOpts: {
+                  visibility: VisibilityType.VISIBILITY_TYPE_PUBLIC_READ,
+                },
+              },
+              {
+                type: 'EDDSA',
+                domain: window.location.origin,
+                seed: offChainData.seedString,
+                address,
+              },
+            );
+
+            console.log('res', res);
+
+            if (res.code === 0) {
+              alert('success');
+            }
+          }}
+        >
+          delegate create folder
+        </button>
+      </>
+    </div>
+  );
+};