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How to embrace Web3 Open Source and Blockchain

Transfer Points Between Wallets

export class StellarServie {
 async sendAmount(
 issuer: any,
 source: any,
 destination: any,
 amount: number,
 url?: string
 ) {
 var server = new StellarSdk.Server(url || this.horizonSourceURL, {
 headers: {
 "api-key": process.env.NOWNODES_API_KEY,
 },
 apiKey: process.env.NOWNODES_API_KEY,
 });
 var parentAccount = await server.loadAccount(source.publicKey()); //make sure the parent account exists on ledger
 var drunkDuck = new Asset(this.asset, issuer.publicKey());
 console.log("start here");
 //create a transacion object.
 var transferAmountTxn = new StellarSdk.TransactionBuilder(parentAccount, {
 fee: StellarSdk.BASE_FEE,
 networkPassphrase: StellarSdk.Networks.PUBLIC,
 });
 console.log("start here 1");
 transferAmountTxn = await transferAmountTxn
 .addOperation(
 Operation.payment({
 destination: destination.publicKey(),
 asset: drunkDuck,
 amount: amount ? `${amount}` : "10",
 })
 )
 .addMemo(StellarSdk.Memo.text("Test Transaction")) // TODO: add more meaningful memo
 .setTimeout(180)
 .build();
 console.log("start here 3");
 //sign the transaction with the account that was created from friendbot.
 await transferAmountTxn.sign(source);
 //submit the transaction
 const response = await server.submitTransaction(transferAmountTxn);
 return response;
 }
}
const stellerService = new StellarServie()
stellerService.sendAmount(
 issuer: any,
 source: any,
 destination: any,
 amount: number,
 url?: string
 )
stellerService.checkBalance(source: any, url?: string)```

Minting NFT

export class AlchemyService {
 public async mintMultipleNFTs(
 description: string,
 image_url: string
 ): Promise<void> {
 try {
 const numberOfTokens = 1;
 for (let i = 1; i <= numberOfTokens; i++) {
 const metadata = this.createMetadataObject(i, description, image_url);
 const metadataBuffer = Buffer.from(JSON.stringify(metadata));
 const tokenUri = await this.uploadToPinata(metadataBuffer);
 const mintTxn = await this.myNftContract.mintNFT(
 this.signer.address,
 tokenUri
 );
 await mintTxn.wait();
 console.log(`NFT #${i} minted! Txn Hash: ${mintTxn.hash}`);
 }
 } catch (error: any) {
 console.error("Error minting NFT: ", error.message);
 }
 }
}
const nftService = new AlchemyService(description: string, image_url: string);