Error on createBuyOrder : eth_sendTransaction does not exist

How to fix The method eth_sendTransaction does not exist/is not available issue.

(node:11020) UnhandledPromiseRejectionWarning: Error: The method eth_sendTransaction does not exist/is not available
    at Object.InvalidResponse (C:\laragon\www\nfts\node_modules\opensea-js\node_modules\web3\lib\web3\errors.js:38:16)
    at C:\laragon\www\nfts\node_modules\opensea-js\node_modules\web3\lib\web3\requestmanager.js:86:36
    at exports.XMLHttpRequest.request.onreadystatechange (C:\laragon\www\nfts\node_modules\web3-providers-http\lib\index.js:98:13)
    at exports.XMLHttpRequest.dispatchEvent (C:\laragon\www\nfts\node_modules\xmlhttprequest\lib\XMLHttpRequest.js:591:25)
    at setState (C:\laragon\www\nfts\node_modules\xmlhttprequest\lib\XMLHttpRequest.js:610:14)
    at IncomingMessage.<anonymous> (C:\laragon\www\nfts\node_modules\xmlhttprequest\lib\XMLHttpRequest.js:447:13)
    at emitNone (events.js:111:20)
    at IncomingMessage.emit (events.js:208:7)
    at endReadableNT (_stream_readable.js:1064:12)
    at _combinedTickCallback (internal/process/next_tick.js:138:11)
    at process._tickCallback (internal/process/next_tick.js:180:9)
(node:11020) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). (rejection id: 1)
(node:11020) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.```

[EmrahSignorini]

let provider = new HDWalletProvider({
    mnemonic: {
        phrase: "test test test test test test test test test test test test"
    },
    providerOrUrl: 'https://rinkeby.infura.io/v3/YOUR_INFURA_APIKEY'
});

const seaport = new OpenSeaPort(provider, {
    networkName: Network.Rinkeby,
    apiKey: OPENSEA_APIKEY
});

This one worked for me on testnets, thank you @wahab054

[wahab054]

@goodaytar I don’t understand from the documentation how to create an OpenSeaPort with the HDWalletProvider. Can you please help out? Here’s my sample code:

let provider = new HDWalletProvider({
	mnemonic: {
	  phrase: <mnemonicPhrase>
	},
	providerOrUrl: "https://mainnet.infura.io/v3/<projectId>"
});
const web3 = new Web3(provider);
const seaport = new OpenSeaPort(web3.provider, {
	networkName: Network.Main,
	apiKey: <key>
})`