Add some js and fix Dockerfile

.gitignore

@@ -35,8 +35,14 @@ fileonchain-*.tar
 npm-debug.log
 /assets/node_modules/
 
+# Root node_modules
+node_modules
+
+# Ignore dist
+dist
+
 # Db hasura setup
-/db/node_modules/
+/db/node_modules
 
-# SSH keys
+# SSH Keys
 .ssh/

Dockerfile

@@ -43,13 +43,18 @@ RUN mkdir config
 # to ensure any relevant config change will trigger the dependencies
 # to be re-compiled.
 COPY config/config.exs config/${MIX_ENV}.exs config/
-RUN mix deps.compile
 
-COPY priv priv
+# Install rustup and set the toolchain
+RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y && \
+    . $HOME/.cargo/env
 
-COPY lib lib
+# Add .cargo/bin to PATH
+ENV PATH="/root/.cargo/bin:${PATH}"
 
-COPY assets assets
+RUN rustup install stable
+RUN rustup default stable
+RUN rustup target add wasm32-unknown-unknown
+RUN rustup target add x86_64-unknown-linux-gnu
 
 # Install nvm
 ENV NVM_DIR /usr/local/nvm
@@ -69,12 +74,16 @@ ENV PATH $NVM_DIR/versions/node/v$NODE_VERSION/bin:$PATH
 RUN node --version
 RUN npm --version
 
-# Install rustup and set the toolchain
-RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y && \
-    source $HOME/.cargo/env && \
-    rustup install nightly-2022-07-24 && \
-    rustup default nightly-2022-07-24 && \
-    rustup target add wasm32-unknown-unknown
+# Compile deps
+# RUN mix deps.compile blake3 --force
+# RUN mix deps.compile
+
+COPY priv priv
+
+COPY lib lib
+
+COPY assets assets
+
 
 # compile assets
 RUN mix assets.deploy

assets/package.json

@@ -0,0 +1,27 @@
+{
+  "name": "fileonchain",
+  "version": "1.0.0",
+  "description": "To start the server:",
+  "main": "index.js",
+  "directories": {
+    "lib": "lib",
+    "test": "test"
+  },
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1",
+    "build": "tsc",
+    "watch": "tsc -w"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "@autonomys/auto-consensus": "^0.4.0",
+    "@autonomys/auto-utils": "^0.4.0",
+    "@polkadot/api": "^10.9.1"
+  },
+  "devDependencies": {
+    "@types/node": "^20.3.1",
+    "typescript": "^5.1.3"
+  }
+}

assets/tsconfig.json

@@ -0,0 +1,14 @@
+{
+  "compilerOptions": {
+    "target": "ES2020",
+    "module": "commonjs",
+    "strict": true,
+    "esModuleInterop": true,
+    "skipLibCheck": true,
+    "forceConsistentCasingInFileNames": true,
+    "outDir": "./dist",
+    "rootDir": "."
+  },
+  "include": ["src/**/*"],
+  "exclude": ["node_modules"]
+}

lib/fileonchain_web/live/file_live/form_component.ex

@@ -101,20 +101,31 @@ defmodule FileonchainWeb.FileLive.FormComponent do
         chunks_results =
           Enum.map(chunks, fn chunk ->
             hash = Blake3.hash(chunk) |> Base.encode16(case: :lower)
-            Fileonchain.Chunks.create_chunk(%{hash: hash, cid: "dummy_cid", data: chunk})
+            case Fileonchain.Chunks.create_chunk(%{hash: hash, cid: "dummy_cid", data: chunk}) do
+              {:ok, _chunk} ->
+                # Send remark transaction
+                sender_seed = System.get_env("POLKADOT_SENDER_SEED") || "//Alice"
+                {tx_hash, exit_code} = System.cmd("node", ["dist/sendRemark.js", sender_seed, hash])
+                if exit_code == 0 do
+                  {:ok, String.trim(tx_hash)}
+                else
+                  {:error, "Failed to send remark: #{String.trim(tx_hash)}"}
+                end
+              error -> error
+            end
           end)
 
         if Enum.all?(chunks_results, fn {:ok, _} -> true; _ -> false end) do
           notify_parent({:saved, file})
 
           {:noreply,
            socket
-           |> put_flash(:info, "File and Chunks created successfully")
+           |> put_flash(:info, "File and Chunks created successfully, remarks sent to Polkadot")
            |> push_patch(to: socket.assigns.patch)}
         else
           {:noreply,
            socket
-           |> put_flash(:error, "File created but failed to create some Chunks")
+           |> put_flash(:error, "File created but failed to create some Chunks or send remarks")
            |> push_patch(to: socket.assigns.patch)}
         end
 

mix.exs

@@ -61,7 +61,7 @@ defmodule Fileonchain.MixProject do
       {:jason, "~> 1.4.4"},
       {:dns_cluster, "~> 0.1.3"},
       {:bandit, "~> 1.5.7"},
-      {:blake3, "~> 1.0"}
+      {:blake3, "~> 1.0.0"}
     ]
   end
 

src/sendRemark.ts

@@ -0,0 +1,22 @@
+import { connectToPolkadot, sendRemark } from './sendTransaction';
+
+async function main(): Promise<void> {
+  const [senderSeed, hash] = process.argv.slice(2);
+
+  if (!senderSeed || !hash) {
+    console.error('Usage: node dist/sendRemark.js <senderSeed> <hash>');
+    process.exit(1);
+  }
+
+  try {
+    const api = await connectToPolkadot();
+    const txHash = await sendRemark(api, senderSeed, hash);
+    console.log(txHash);
+    process.exit(0);
+  } catch (error) {
+    console.error('Error:', error);
+    process.exit(1);
+  }
+}
+
+main();

src/sendTransaction.ts

@@ -0,0 +1,17 @@
+import { ApiPromise, WsProvider, Keyring } from '@polkadot/api';
+
+export async function connectToPolkadot(): Promise<ApiPromise> {
+  const wsProvider = new WsProvider('wss://rpc.polkadot.io');
+  const api = await ApiPromise.create({ provider: wsProvider });
+  return api;
+}
+
+export async function sendRemark(api: ApiPromise, senderSeed: string, hash: string): Promise<string> {
+  const keyring = new Keyring({ type: 'sr25519' });
+  const sender = keyring.addFromUri(senderSeed);
+
+  const remark = api.tx.system.remark(hash);
+  const txHash = await remark.signAndSend(sender);
+
+  return txHash.toHex();
+}