chore: Nodejs example update

examples/nodejs/README.md

@@ -1,3 +1,3 @@
 # GreenField JS SDK Node.js
 
-> Only supprt query up to now.
+* [storage](./storage.js)

examples/nodejs/client.js

@@ -0,0 +1,65 @@
+const { Client } = require('@bnb-chain/greenfield-js-sdk');
+
+const client = Client.create('https://gnfd-testnet-fullnode-tendermint-ap.bnbchain.org', '5600');
+
+const ACCOUNT_ADDRESS = '';
+const ACCOUNT_PRIVATEKEY = '';
+
+const getSps = async () => {
+  const sps = await client.sp.getStorageProviders();
+  const finalSps = (sps ?? []).filter((v) => v.endpoint.includes('https'));
+
+  return finalSps;
+};
+
+const getAllSps = async () => {
+  const sps = await getSps();
+
+  return sps.map((sp) => {
+    return {
+      address: sp.operatorAddress,
+      endpoint: sp.endpoint,
+      name: sp.description?.moniker,
+    };
+  });
+};
+
+const selectSp = async () => {
+  const finalSps = await getSps();
+
+  const selectIndex = Math.floor(Math.random() * finalSps.length);
+
+  const secondarySpAddresses = [
+    ...finalSps.slice(0, selectIndex),
+    ...finalSps.slice(selectIndex + 1),
+  ].map((item) => item.operatorAddress);
+  const selectSpInfo = {
+    id: finalSps[selectIndex].id,
+    endpoint: finalSps[selectIndex].endpoint,
+    primarySpAddress: finalSps[selectIndex]?.operatorAddress,
+    sealAddress: finalSps[selectIndex].sealAddress,
+    secondarySpAddresses,
+  };
+
+  return selectSpInfo;
+};
+
+const generateString = (length) => {
+  const characters = 'abcdefghijklmnopqrstuvwxyz';
+
+  let result = '';
+  const charactersLength = characters.length;
+  for (let i = 0; i < length; i++) {
+    result += characters.charAt(Math.floor(Math.random() * charactersLength));
+  }
+
+  return result;
+};
+
+module.exports = {
+  client,
+  ACCOUNT_ADDRESS,
+  ACCOUNT_PRIVATEKEY,
+  selectSp,
+  generateString,
+};

examples/nodejs/storage.js

@@ -0,0 +1,45 @@
+const {
+  client,
+  selectSp,
+  ACCOUNT_ADDRESS,
+  ACCOUNT_PRIVATEKEY,
+  generateString,
+} = require('./client');
+
+(async () => {
+  const bucketName = generateString(10);
+  const spInfo = await selectSp();
+  const createBucketTx = await client.bucket.createBucket(
+    {
+      bucketName: bucketName,
+      creator: ACCOUNT_ADDRESS,
+      visibility: 'VISIBILITY_TYPE_PUBLIC_READ',
+      chargedReadQuota: '0',
+      spInfo: {
+        primarySpAddress: spInfo.primarySpAddress,
+      },
+      paymentAddress: ACCOUNT_ADDRESS,
+    },
+    {
+      type: 'ECDSA',
+      privateKey: ACCOUNT_PRIVATEKEY,
+    },
+  );
+
+  const simulateInfo = await createBucketTx.simulate({
+    denom: 'BNB',
+  });
+
+  console.log('simulateInfo', simulateInfo);
+
+  const res = await createBucketTx.broadcast({
+    denom: 'BNB',
+    gasLimit: Number(simulateInfo?.gasLimit),
+    gasPrice: simulateInfo?.gasPrice || '5000000000',
+    payer: ACCOUNT_ADDRESS,
+    granter: '',
+    privateKey: ACCOUNT_PRIVATEKEY,
+  });
+
+  console.log('res', res);
+})();