feat(publish): Publishing to BCH

deploy/publish-bch.js

@@ -2,99 +2,51 @@
   This script will write the CID for the current version of the app to an
   address on the BCH blockchain. This creates an immutable, censorship-resistent,
   globally available, and secure pointer to the latest version of the app.
+
+  The exported function expects an IPFS CID as input and returns a TXID for a
+  BCH transaction.
+
+  This function expects this environtment variable to contain a WIF private key
+  with BCH to write to the blockchain:
+  - REACT_BOOTSTRAP_WEB3_SPA_WIF
 */
 
-const FILE_PATH = './build'
-
-const { Web3Storage, getFilesFromPath } = require('web3.storage')
+// Global npm libraries
 // const BCHJS = require('@psf/bch-js')
-// const BchWallet = require('minimal-slp-wallet/index')
-// const BchMessageLib = require('bch-message-lib/index')
-const fs = require('fs')
+const BchWallet = require('minimal-slp-wallet/index')
+const BchMessageLib = require('bch-message-lib/index')
 
-async function publish () {
+async function publishToBch (cid) {
   try {
     // Get the Filecoin token from the environment variable.
-    const filecoinToken = process.env.FILECOIN_TOKEN
-    if (!filecoinToken) {
+    const wif = process.env.REACT_BOOTSTRAP_WEB3_SPA_WIF
+    if (!wif) {
       throw new Error(
-        'Filecoin token not detected. Get a token from https://web3.storage and save it to the FILECOIN_TOKEN environment variable.'
+        'WIF private key not detected. Get a private key from https://wallet.fullstack.cash and save it to the REACT_BOOTSTRAP_WEB3_SPA_WIF environment variable.'
       )
     }
 
-    // Get the WIF for updating Trout's blog from the environment variable.
-    // const troutWif = process.env.TROUT_BLOG_WIF
-    // if (!troutWif) {
-    //   throw new Error(
-    //     'WIF for troutsblog.com not detect. Add it to the TROUT_BLOG_WIF environment variable.'
-    //   )
-    // }
-
-    // Get a list of all the files to be uploaded.
-    const fileAry = await getFileList()
-    // console.log(`fileAry: ${JSON.stringify(fileAry, null, 2)}`)
-
-    // Upload the files to Filecoin.
-    const cid = await uploadToFilecoin(fileAry, filecoinToken)
-    // const cid = 'bafybeibgekzxiqr7irgs26g5pw5sv6xtvfiihccyagpmn7anzl6ffb2xc4'
-    console.log('Content added with CID:', cid)
-    console.log(`https://${cid}.ipfs.dweb.link/`)
-
     // Initialize libraries for working with BCH blockchain.
     // const bchjs = new BCHJS()
-    // const wallet = new BchWallet(troutWif, {
-    //   interface: 'consumer-api',
-    // })
-    // await wallet.walletInfoPromise
-    // const bchMsg = new BchMessageLib({ wallet })
-    //
-    // // Publish the CID to the BCH blockchain.
-    // const hex = await bchMsg.memo.memoPush(cid, 'IPFS UPDATE')
-    //
-    // // const txid = await bchjs.RawTransactions.sendRawTransaction(hex)
-    // // Broadcast the transaction to the network.
-    // const txid = await wallet.ar.sendTx(hex)
+    const wallet = new BchWallet(wif, {
+      interface: 'consumer-api'
+    })
+    await wallet.walletInfoPromise
+    await wallet.initialize()
+    const bchMsg = new BchMessageLib({ wallet })
+
+    // Publish the CID to the BCH blockchain.
+    const hex = await bchMsg.memo.memoPush(cid, 'IPFS UPDATE')
+
+    // Broadcast the transaction to the network.
+    const txid = await wallet.ar.sendTx(hex)
     // console.log(`BCH blockchain updated with new CID. TXID: ${txid}`)
     // console.log(`https://blockchair.com/bitcoin-cash/transaction/${txid}`)
+
+    return txid
   } catch (err) {
     console.error(err)
   }
 }
-publish()
 
-function getFileList () {
-  const fileAry = []
-
-  return new Promise((resolve, reject) => {
-    fs.readdir(FILE_PATH, (err, files) => {
-      if (err) return reject(err)
-
-      files.forEach(file => {
-        // console.log(file)
-        fileAry.push(`${FILE_PATH}/${file}`)
-      })
-
-      return resolve(fileAry)
-    })
-  })
-}
-
-async function uploadToFilecoin (fileAry, token) {
-  const storage = new Web3Storage({ token })
-
-  const files = []
-  for (let i = 0; i < fileAry.length; i++) {
-    const thisPath = fileAry[i]
-    // console.log('thisPath: ', thisPath)
-
-    const pathFiles = await getFilesFromPath(thisPath)
-    // console.log('pathFiles: ', pathFiles)
-
-    files.push(...pathFiles)
-  }
-
-  console.log(`Uploading ${files.length} files. Please wait...`)
-  const cid = await storage.put(files)
-
-  return cid
-}
+module.exports = publishToBch

deploy/publish-main.js

@@ -6,6 +6,7 @@
 // Local libraries
 const publishToFilecoin = require('./publish-filecoin')
 const publishToPinata = require('./publish-pinata')
+const publishToBch = require('./publish-bch')
 
 async function publish () {
   try {
@@ -16,6 +17,11 @@ async function publish () {
 
     // Publish to Pinata
     await publishToPinata(cid)
+
+    // Public to BCH
+    const txid = await publishToBch(cid)
+    console.log(`\nBCH blockchain updated with new CID. TXID: ${txid}`)
+    console.log(`https://blockchair.com/bitcoin-cash/transaction/${txid}`)
   } catch (err) {
     console.error('Error while trying to publish app: ', err)
   }

package.json

@@ -35,6 +35,8 @@
     ]
   },
   "devDependencies": {
+    "bch-message-lib": "2.2.1",
+    "minimal-slp-wallet": "5.0.3",
     "standard": "17.0.0",
     "web3.storage": "4.3.0"
   }