valstu/sign.js

## sign.js
<html>
<head>
  <script type="module">


    import lib from "https://esm.sh/xrpl-accountlib?bundle";
import bin from "https://esm.sh/ripple-binary-codec?bundle";
import { XrplClient } from "https://esm.sh/xrpl-client?bundle";

// Alice
const notary_account = "ssf";

// Bob
const proposer_secret = "aa";
const proposer_account = "ss";
const proposer_keypair = lib.derive.familySeed(proposer_secret);

const client = new XrplClient("wss://hooks-testnet-v2.xrpl-labs.com");

const main = async () => {
  console.log("Getting ready...");
  const proposed_tx = {
    TransactionType: "Payment",
    Account: notary_account,
    Amount: "100",
    Destination: proposer_account,
    DestinationTag: "42",
    LastLedgerSequence: "4000000000",
    // Fee: '1200000'
    Fee: "0",
    Sequence: 0,
  };

  const inner_tx = bin.encode(proposed_tx);

  const { account_data } = await client.send({
    command: "account_info",
    account: proposer_account,
  });
  if (!account_data) {
    console.log("Proposer account not found.");
    client.close();
    return;
  }

  console.log("sequence", account_data.Sequence);

  const tx = {
    TransactionType: "Payment",
    Account: proposer_account,
    Amount: "1",
    Destination: notary_account,
    Fee: "12000000",
    Memos: [
      {
        Memo: {
          MemoData: inner_tx,
          MemoFormat: "unsigned/payload+1",
          MemoType: "notary/proposed",
        },
      },
    ],
    Sequence: account_data.Sequence,
  };

  hexlify_memos(tx);

  const { signedTransaction } = lib.sign(tx, proposer_keypair);
  const submit = await client.send({
    command: "submit",
    tx_blob: signedTransaction,
  });
  console.log(submit);

  console.log("Shutting down...");
  client.close();
};

function hexlify_memos(x) {
  if (!("Memos" in x)) return;

  for (y in x["Memos"]) {
    for (a in x["Memos"][y]) {
      let Fields = ["MemoFormat", "MemoType", "MemoData"];
      for (z in Fields) {
        if (Fields[z] in x["Memos"][y][a]) {
          let u = x["Memos"][y][a][Fields[z]].toUpperCase();
          if (u.match(/^[0-9A-F]+$/)) {
            x["Memos"][y][a][Fields[z]] = u;
            continue;
          }

          x["Memos"][y][a][Fields[z]] =
            "" +
            Buffer.from(x["Memos"][y][a][Fields[z]])
              .toString("hex")
              .toUpperCase();
        }
      }
    }
  }
}

main();


      </script>
</head>
<body>
  kissa

</body>
</html>
	<html>
	<head>
	<script type="module">


	import lib from "https://esm.sh/xrpl-accountlib?bundle";
	import bin from "https://esm.sh/ripple-binary-codec?bundle";
	import { XrplClient } from "https://esm.sh/xrpl-client?bundle";

	// Alice
	const notary_account = "ssf";

	// Bob
	const proposer_secret = "aa";
	const proposer_account = "ss";
	const proposer_keypair = lib.derive.familySeed(proposer_secret);

	const client = new XrplClient("wss://hooks-testnet-v2.xrpl-labs.com");

	const main = async () => {
	console.log("Getting ready...");
	const proposed_tx = {
	TransactionType: "Payment",
	Account: notary_account,
	Amount: "100",
	Destination: proposer_account,
	DestinationTag: "42",
	LastLedgerSequence: "4000000000",
	// Fee: '1200000'
	Fee: "0",
	Sequence: 0,
	};

	const inner_tx = bin.encode(proposed_tx);

	const { account_data } = await client.send({
	command: "account_info",
	account: proposer_account,
	});
	if (!account_data) {
	console.log("Proposer account not found.");
	client.close();
	return;
	}

	console.log("sequence", account_data.Sequence);

	const tx = {
	TransactionType: "Payment",
	Account: proposer_account,
	Amount: "1",
	Destination: notary_account,
	Fee: "12000000",
	Memos: [
	{
	Memo: {
	MemoData: inner_tx,
	MemoFormat: "unsigned/payload+1",
	MemoType: "notary/proposed",
	},
	},
	],
	Sequence: account_data.Sequence,
	};

	hexlify_memos(tx);

	const { signedTransaction } = lib.sign(tx, proposer_keypair);
	const submit = await client.send({
	command: "submit",
	tx_blob: signedTransaction,
	});
	console.log(submit);

	console.log("Shutting down...");
	client.close();
	};

	function hexlify_memos(x) {
	if (!("Memos" in x)) return;

	for (y in x["Memos"]) {
	for (a in x["Memos"][y]) {
	let Fields = ["MemoFormat", "MemoType", "MemoData"];
	for (z in Fields) {
	if (Fields[z] in x["Memos"][y][a]) {
	let u = x["Memos"][y][a][Fields[z]].toUpperCase();
	if (u.match(/^[0-9A-F]+$/)) {
	x["Memos"][y][a][Fields[z]] = u;
	continue;
	}

	x["Memos"][y][a][Fields[z]] =
	"" +
	Buffer.from(x["Memos"][y][a][Fields[z]])
	.toString("hex")
	.toUpperCase();
	}
	}
	}
	}
	}

	main();



	</script>
	</head>
	<body>
	kissa

	</body>
	</html>