From a392462f1282786d8436e3d42cecbb98d35fb164 Mon Sep 17 00:00:00 2001
From: Harvey Zuccon <hzuccon@gmail.com>
Date: Mon, 7 Apr 2025 06:40:02 +0000
Subject: [PATCH] Resolve "feat(Docs): Add BlockchainElectrum Tool"

---
 packages/docs/src/.vitepress/config.ts        | 15 +----
 .../theme/components/PrimitiveTool.vue        | 12 ++--
 .../src/tools/stack/blockchain-functions.ts   | 60 +++++++++++++++++++
 packages/docs/src/tools/stack/blockchain.md   | 30 ++++++++++
 .../src/blockchain/blockchain-electrum.ts     | 40 +++++++++++--
 5 files changed, 132 insertions(+), 25 deletions(-)
 create mode 100644 packages/docs/src/tools/stack/blockchain-functions.ts
 create mode 100644 packages/docs/src/tools/stack/blockchain.md

diff --git a/packages/docs/src/.vitepress/config.ts b/packages/docs/src/.vitepress/config.ts
index 4c0fb36..c2959b1 100644
--- a/packages/docs/src/.vitepress/config.ts
+++ b/packages/docs/src/.vitepress/config.ts
@@ -207,29 +207,16 @@ export default withMermaid({
               text: 'Stack',
               collapsed: false,
               items: [
-                /*
                 {
                   text: 'Blockchain',
                   link: '/tools/stack/blockchain',
                   items: [
                     {
                       text: 'Electrum',
-                      link: '/tools/stack/blockchain#encryption',
+                      link: '/tools/stack/blockchain#electrum',
                     },
                   ],
                 },
-                {
-                  text: 'Utils',
-                  link: '/tools/stack/utils',
-                  items: [
-                    {
-                      text: 'Encrypter',
-                      link: '/tools/stack/utils#encrypter',
-                    },
-                    { text: 'Hasher', link: '/tools/stack/utils#hasher' },
-                  ],
-                },
-                */
               ],
             },
           ],
diff --git a/packages/docs/src/.vitepress/theme/components/PrimitiveTool.vue b/packages/docs/src/.vitepress/theme/components/PrimitiveTool.vue
index 91a77ff..15cef2a 100644
--- a/packages/docs/src/.vitepress/theme/components/PrimitiveTool.vue
+++ b/packages/docs/src/.vitepress/theme/components/PrimitiveTool.vue
@@ -75,7 +75,7 @@
           </div>
         </div>
         <div>
-          <button type="submit" class="gradient-button" @click="() => executeMethod(state.selectedMethod.callback(state.primitive, state.selectedMethod.models))">Execute Method</button>
+          <button type="submit" class="gradient-button" @click="() => executeMethod(state.selectedMethod?.callback(state.primitive, state.selectedMethod.models))">Execute Method</button>
         </div>
         <!-- Result -->
         <div>
@@ -135,7 +135,7 @@ export interface Method<Primitive> {
   error?: string;
 
   // Function that takes the models and returns the primitive
-  callback: (primitive: Primitive, value: Array<any>) => string;
+  callback: (primitive: Primitive, value: Array<any>) => string | Promise<string>;
 
   // Whether the input is extended onto a new line
   extendedInput?: boolean
@@ -185,13 +185,13 @@ const state: Ref<{
   primitive: undefined,
 })
 
-async function setPrimitive(functionToExecute: () => Primitive | Promise<Primitive>): void {
+async function setPrimitive(functionToExecute: () => Primitive | Promise<Primitive>): Promise<void> {
   try {
     state.value.primitive = await functionToExecute();
     state.value.error = undefined;
 
-    state.value.toFunctions.forEach((wrappedMethod, i) => {
-      state.value.toFunctions[i].result = wrappedMethod.callback(state.value.primitive)
+    state.value.toFunctions.forEach(async (wrappedMethod, i) => {
+      state.value.toFunctions[i].result = await wrappedMethod.callback(state.value.primitive)
     });
 
     state.value.methods.forEach((method, i) => {
@@ -218,7 +218,7 @@ function getPrimitive(functionToExecute: () => string): string {
   }
 }
 
-async function executeMethod(wrappedMethod: () => string | Promise<string>): string {
+async function executeMethod(wrappedMethod: () => string | Promise<string>): Promise<void | string> {
   try {
     if(!state.value.primitive) {
       return '';
diff --git a/packages/docs/src/tools/stack/blockchain-functions.ts b/packages/docs/src/tools/stack/blockchain-functions.ts
new file mode 100644
index 0000000..c6ca05b
--- /dev/null
+++ b/packages/docs/src/tools/stack/blockchain-functions.ts
@@ -0,0 +1,60 @@
+import { BlockchainElectrum, encodeExtendedJson, Transaction } from '@xocash/stack';
+
+export const electrumClient = {
+  from: [
+    {
+      label: 'From Servers',
+      inputs: ['Servers'],
+      models: ['bch.imaginary.cash, cashnode.bch.ninja, electrum.imaginary.cash'],
+      callback: async (args: [string]) => {
+        const electrum = await BlockchainElectrum.from({
+          opts: {
+            servers: args[0].replaceAll(' ', '').split(','),
+            application: 'XO-tools',
+          },
+        });
+
+        return electrum;
+      },
+    },
+  ],
+  to: [],
+  methods: [
+    {
+      label: 'Fetch Unspents',
+      inputs: ['Address'],
+      models: ['Address'],
+      callback: async (electrum: BlockchainElectrum, args: [string]) => {
+        const unspents = await electrum.fetchUnspents(args[0]);
+        return encodeExtendedJson(unspents.toArray(), 2);
+      },
+    },
+    {
+      label: 'Fetch Transaction',
+      inputs: ['Transaction Hash'],
+      models: ['Transaction Hash'],
+      callback: async (electrum: BlockchainElectrum, args: [string]) => {
+        const transaction = await electrum.fetchTransaction(args[0]);
+        return encodeExtendedJson(transaction, 2);
+      },
+    },
+    {
+      label: 'Fetch Transactions',
+      inputs: ['Address'],
+      models: ['Address'],
+      callback: async (electrum: BlockchainElectrum, args: [string]) => {
+        const transactions = await electrum.fetchTransactions(args[0]);
+        return encodeExtendedJson(transactions.toArray(), 2);
+      },
+    },
+    {
+      label: 'Broadcast Transaction',
+      inputs: ['Transaction'],
+      models: ['Transaction'],
+      callback: async (electrum: BlockchainElectrum, args: [string]) => {
+        const tx = Transaction.from(args[0]);
+        return await electrum.broadcastTransaction(tx);
+      },
+    },
+  ],
+};
\ No newline at end of file
diff --git a/packages/docs/src/tools/stack/blockchain.md b/packages/docs/src/tools/stack/blockchain.md
new file mode 100644
index 0000000..68f02ad
--- /dev/null
+++ b/packages/docs/src/tools/stack/blockchain.md
@@ -0,0 +1,30 @@
+---
+aside: false
+---
+
+<script lang="ts" setup>
+import PrimitiveToolVue, { type FromFunction, type ToFunction } from '@theme/components/PrimitiveTool.vue'
+
+// Import our tool functions
+import {
+  electrumClient,
+} from './blockchain-functions.ts'
+</script>
+
+<!-- Resume Markdown parsing -->
+
+# Blockchain
+
+## Electrum Client
+
+<div class="tool">
+  <p>A connection to Electrum servers.</p>
+  <p>Mutliple servers can be provided, and the client will attempt to fallback to the next server in case of failure.</p>
+  <p>Servers can be provided as a comma separated list.</p>
+
+<PrimitiveToolVue
+    :fromFunctions="electrumClient.from"
+    :toFunctions="electrumClient.to"
+    :methods="electrumClient.methods"
+  />
+</div>
\ No newline at end of file
diff --git a/packages/stack/src/blockchain/blockchain-electrum.ts b/packages/stack/src/blockchain/blockchain-electrum.ts
index 225d45c..16912d8 100644
--- a/packages/stack/src/blockchain/blockchain-electrum.ts
+++ b/packages/stack/src/blockchain/blockchain-electrum.ts
@@ -48,6 +48,11 @@ export type BlockchainElectrumOpts = {
   application: string;
 };
 
+export type BlockchainElectrumParams = {
+  store?: BaseStore;
+  opts?: Partial<BlockchainElectrumOpts>;
+};
+
 export class BlockchainElectrum extends BaseBlockchain {
   // Composables.
   electrumClient!: ElectrumClient<ElectrumProtocolEvents>;
@@ -60,18 +65,43 @@ export class BlockchainElectrum extends BaseBlockchain {
   addressSubscriptions: Map<string, Set<AddressCallback>> = new Map();
   transactionSubscriptions: Map<string, Set<TransactionCallback>> = new Map();
 
+  // Options
+  store: BaseStore;
+  opts: BlockchainElectrumOpts;
+
   constructor(
-    public readonly store: BaseStore = new StoreInMemory(),
-    public readonly opts: BlockchainElectrumOpts = {
+    public readonly params: BlockchainElectrumParams = {},
+  ) {
+    super();
+
+    // Set the store, or use the memory store by default.
+    this.store = params.store ?? new StoreInMemory();
+
+    // Combine provided options with default options.
+    this.opts = {
       servers: [
         'bch.imaginary.cash',
         'cashnode.bch.ninja',
         'electrum.imaginary.cash',
       ],
       application: 'XOApp',
-    },
-  ) {
-    super();
+      ...params.opts,
+    };
+  }
+
+  /**
+   * Creates a new BlockchainElectrum instance.
+   * @param {BlockchainElectrumParams} params - The parameters for the BlockchainElectrum instance.
+   * @returns {BlockchainElectrum} A new BlockchainElectrum instance.
+   */
+  static async from(
+    params: BlockchainElectrumParams = {},
+  ): Promise<BlockchainElectrum> {
+    const blockchain = new BlockchainElectrum(params);
+
+    await blockchain.start();
+
+    return blockchain;
   }
 
   async start() {