christroutner · December 15, 2022 13:47
diff --git a/minimal-slp-wallet.html b/minimal-slp-wallet.html
 <!DOCTYPE html>

 <!--
  This HTML creates a web page that retrieves the latest copy of the web app
  that was uploaded to Filecoin. It retrieves the hash for the
  site from the BCH blockchain, then navigates the browser to that site, which
  is served by the Filecoin blockchain.
 -->

 <html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />

    <title>Redirect to IPFS Hash</title>
    <link rel="icon favicon" href="favicon.ico" />
  </head>

  <body>
    <h1>Redirecting to the IPFS site...</h1>
    <p>
      This page is simply a placeholder for a web 2.0 domain. It will forward
      you to the web 3.0 web page in a few seconds. If there is an issue
      looking up the web 3 page, you can access
      a <a href="https://christroutner.github.io/trouts-blog/">mirror on GitHub</a>.
    </p>
    <p>
      Retrieving latest copy of the site from the BCH blockchain...
    </p>
    <p id="bchStatus"></p>
    <p></p>
  </body>

  <script src="https://unpkg.com/minimal-slp-wallet?module"></script>
  <script src="https://unpkg.com/bch-message-lib"></script>

  <script>
    document.addEventListener("DOMContentLoaded", async () => {
      try {
        console.log("hello world");

        const wallet = new SlpWallet(undefined, {
          noUpdate: true,
          interface: "consumer-api"
        });
        await wallet.walletInfoPromise;
        // console.log("wallet info: ", wallet.walletInfo);
        // console.log("BchMessage: ", BchMessage);

        const bchMessage = new BchMessage({ wallet });
        // console.log("bchMessage: ", bchMessage);

        const bchAddr =
          "bitcoincash:qppngav5s88devt4ypv3vhgj643q06tctcx8fnzewp";
        // const msg = await bchMessage.memo.memoRead(bchAddr, "IPFS UPDATE");
        const msg = await bchMessage.memo.memoRead(bchAddr, "IPFS UPDATE");

        let targetHash = "";

        // Loop through all the messages
        for (let i = 0; i < msg.length; i++) {
          const thisMsg = msg[i];
          console.log(`thisMsg: ${JSON.stringify(thisMsg, null, 2)}`);

          const hash = thisMsg.subject;
          const sender = thisMsg.sender;

          if (sender === bchAddr) {
            if (hash.includes("bafy")) {
              console.log(`hash: ${hash}`);
              targetHash = hash;
              break;
            }
          }
        }

        const url = `https://${targetHash}.ipfs.dweb.link/`;
        // const url = `https://cloudflare-ipfs.com/ipfs/${targetHash}`;
        console.log(`Redirecting to: ${url}`);

        const statusDOM = document.getElementById("bchStatus");
        if (targetHash) {
          statusDOM.innerHTML = `Hash on BCH blockchain found: ${targetHash}
          Redirecting to...<br /><br />
          <a href="${url}">${url}</a>`;

          window.location.href = url;
        } else {
          statusDOM.innerHTML = `A Filecoin CID hash could not be found. This app may be having trouble reaching the BCH blockchain.`;
        }
      } catch (err) {
        console.error("Error in web app: ", err);
      }
    });
  </script>
 </html>
	<!DOCTYPE html>

	<!--
	This HTML creates a web page that retrieves the latest copy of the web app
	that was uploaded to Filecoin. It retrieves the hash for the
	site from the BCH blockchain, then navigates the browser to that site, which
	is served by the Filecoin blockchain.
	-->

	<html lang="en">
	<head>
	<meta charset="UTF-8" />
	<meta http-equiv="X-UA-Compatible" content="IE=edge" />
	<meta name="viewport" content="width=device-width, initial-scale=1.0" />

	<title>Redirect to IPFS Hash</title>
	<link rel="icon favicon" href="favicon.ico" />
	</head>

	<body>
	<h1>Redirecting to the IPFS site...</h1>
	<p>
	This page is simply a placeholder for a web 2.0 domain. It will forward
	you to the web 3.0 web page in a few seconds. If there is an issue
	looking up the web 3 page, you can access
	a <a href="https://christroutner.github.io/trouts-blog/">mirror on GitHub</a>.
	</p>
	<p>
	Retrieving latest copy of the site from the BCH blockchain...
	</p>
	<p id="bchStatus"></p>
	<p></p>
	</body>

	<script src="https://unpkg.com/minimal-slp-wallet?module"></script>
	<script src="https://unpkg.com/bch-message-lib"></script>

	<script>
	document.addEventListener("DOMContentLoaded", async () => {
	try {
	console.log("hello world");

	const wallet = new SlpWallet(undefined, {
	noUpdate: true,
	interface: "consumer-api"
	});
	await wallet.walletInfoPromise;
	// console.log("wallet info: ", wallet.walletInfo);
	// console.log("BchMessage: ", BchMessage);

	const bchMessage = new BchMessage({ wallet });
	// console.log("bchMessage: ", bchMessage);

	const bchAddr =
	"bitcoincash:qppngav5s88devt4ypv3vhgj643q06tctcx8fnzewp";
	// const msg = await bchMessage.memo.memoRead(bchAddr, "IPFS UPDATE");
	const msg = await bchMessage.memo.memoRead(bchAddr, "IPFS UPDATE");

	let targetHash = "";

	// Loop through all the messages
	for (let i = 0; i < msg.length; i++) {
	const thisMsg = msg[i];
	console.log(`thisMsg: ${JSON.stringify(thisMsg, null, 2)}`);

	const hash = thisMsg.subject;
	const sender = thisMsg.sender;

	if (sender === bchAddr) {
	if (hash.includes("bafy")) {
	console.log(`hash: ${hash}`);
	targetHash = hash;
	break;
	}
	}
	}

	const url = `https://${targetHash}.ipfs.dweb.link/`;
	// const url = `https://cloudflare-ipfs.com/ipfs/${targetHash}`;
	console.log(`Redirecting to: ${url}`);

	const statusDOM = document.getElementById("bchStatus");
	if (targetHash) {
	statusDOM.innerHTML = `Hash on BCH blockchain found: ${targetHash}
	Redirecting to...<br /><br />
	<a href="${url}">${url}</a>`;

	window.location.href = url;
	} else {
	statusDOM.innerHTML = `A Filecoin CID hash could not be found. This app may be having trouble reaching the BCH blockchain.`;
	}
	} catch (err) {
	console.error("Error in web app: ", err);
	}
	});
	</script>
	</html>