Lambdaを使っていろんなプラットフォームで使えるAPIを作ろう

import { middyfy } from '@libs/lambda';import { APIGatewayProxyHandler } from 'aws-lambda';import {Account,Address,Deadline,PlainMessage,RepositoryFactoryHttp,TransferTransaction,UInt64,} from 'symbol-sdk';const hello: APIGatewayProxyHandler = async (event, _context) => {try {/* start block 01 */// replace with addressconst nodeUrl = 'ノードのURL';const repositoryFactory = new RepositoryFactoryHttp(nodeUrl);const epochAdjustment = await repositoryFactory.getEpochAdjustment().toPromise();const networkType = await repositoryFactory.getNetworkType().toPromise();const networkGenerationHash = await repositoryFactory.getGenerationHash().toPromise();// Returns the network main currency, symbol.xymconst { currency } = await repositoryFactory.getCurrencies().toPromise();/* start block 01 */// replace with recipient addressconst rawAddress = '受け取りのアドレス';const recipientAddress = Address.createFromRawAddress(rawAddress);const transferTransaction = TransferTransaction.create(Deadline.create(epochAdjustment),recipientAddress,[currency.createRelative(10)],PlainMessage.create('This is a test message'),networkType,UInt64.fromUint(2000000),);const privateKey ='秘密鍵';const account = Account.createFromPrivateKey(privateKey, networkType);const signedTransaction = account.sign(transferTransaction,networkGenerationHash,);console.log('Payload:', signedTransaction.payload);console.log('Transaction Hash:', signedTransaction.hash);const transactionRepository = repositoryFactory.createTransactionRepository();const response = await transactionRepository.announce(signedTransaction).toPromise();console.log(response);return { statusCode: 200, body: JSON.stringify(response, null, 2) }} catch (err) {console.error(err)return { statusCode: 500, body: JSON.stringify({ event, error: err.message }) }}}export const main = middyfy(hello);

serverless deploy --aws-profile AWSプロファイル名

curl -XPOST APIのPOSTメソッドのURL