From: Alekos Filini Date: Fri, 8 May 2020 22:26:05 +0000 (+0200) Subject: Various playground improvements, add the compiler X-Git-Url: http://internal-gitweb-vhost/%22https:/doc.rust-lang.org/trait.impl/io/static/enum.ChainPosition.html?a=commitdiff_plain;h=d7fc9afb6590aafa0e3fa812a75a6190d937e2fc;p=bitcoindevkit.org Various playground improvements, add the compiler --- diff --git a/layouts/shortcodes/playground.html b/layouts/shortcodes/playground.html index cc48617755..1ca4ecd4e8 100644 --- a/layouts/shortcodes/playground.html +++ b/layouts/shortcodes/playground.html @@ -4,6 +4,32 @@ } +

Policy Compiler

+
+
+
+ +
+ + +
+
+ + Map every alias to an existing key or generate a new one. You can also specify known keys directly in the policy input field. +
+
+ + + + 

+    

+

+
+
Wallet

 

     

         
@@ -16,11 +42,12 @@
 
     

         
+        
         
     

 
 
-

+

 
 

     >
@@ -29,3 +56,63 @@
 
 
 
+
diff --git a/playground/Cargo.toml b/playground/Cargo.toml
index e7acd1c224..6f6e6ac3d6 100644
--- a/playground/Cargo.toml
+++ b/playground/Cargo.toml
@@ -11,13 +11,17 @@ crate-type = ["cdylib", "rlib"]
 default = ["console_error_panic_hook"]
 
 [dependencies]
+rand = { version = "0.6", features = ["wasm-bindgen"] }
 wasm-bindgen = "0.2"
 wasm-bindgen-futures = "0.4"
 js-sys = "0.3"
 log = "0.4"
 console_log = "0.2"
 clap = "2.33"
-magical-bitcoin-wallet = { path = "/home/user/Developer/magical-bitcoin-wallet", default-features = false, features = ["esplora", "cli-utils"] }
+secp256k1 = { version = "0.17", features = ["rand"] }
+magical-bitcoin-wallet = { git = "https://github.com/MagicalBitcoin/magical-bitcoin-wallet.git", rev = "0e432f3", default-features = false, features = ["esplora", "cli-utils", "compiler"] }
+serde = { version = "^1.0", features = ["derive"] }
+serde_json = { version = "^1.0" }
 
 # The `console_error_panic_hook` crate provides better debugging of panics by
 # logging them with `console.error`. This is great for development, but requires
diff --git a/playground/src/lib.rs b/playground/src/lib.rs
index ead987f041..2009dfa320 100644
--- a/playground/src/lib.rs
+++ b/playground/src/lib.rs
@@ -1,19 +1,29 @@
+use std::collections::HashMap;
 use std::rc::Rc;
+use std::str::FromStr;
 
+use js_sys::Promise;
 use wasm_bindgen::prelude::*;
 use wasm_bindgen_futures::future_to_promise;
-use js_sys::Promise;
 
-use log::{info, debug};
+use rand::Rng;
+
+use log::{debug, info};
+
+use serde::Deserialize;
 
 use clap::AppSettings;
 
-use magical_bitcoin_wallet::*;
+use magical_bitcoin_wallet::bitcoin;
 use magical_bitcoin_wallet::database::memory::MemoryDatabase;
-use magical_bitcoin_wallet::bitcoin as bitcoin;
+use magical_bitcoin_wallet::miniscript;
+use magical_bitcoin_wallet::*;
 
 use bitcoin::*;
 
+use miniscript::policy::Concrete;
+use miniscript::Descriptor;
+
 mod utils;
 
 // When the `wee_alloc` feature is enabled, use `wee_alloc` as the global
@@ -39,7 +49,12 @@ pub struct WalletWrapper {
 #[wasm_bindgen]
 impl WalletWrapper {
     #[wasm_bindgen(constructor)]
-    pub async fn new(network: String, descriptor: String, change_descriptor: Option, esplora: String) -> Result {
+    pub async fn new(
+        network: String,
+        descriptor: String,
+        change_descriptor: Option,
+        esplora: String,
+    ) -> Result {
         let network = match network.as_str() {
             "regtest" => Network::Regtest,
             "testnet" | _ => Network::Testnet,
@@ -48,9 +63,17 @@ impl WalletWrapper {
         debug!("descriptors: {:?} {:?}", descriptor, change_descriptor);
 
         let blockchain = EsploraBlockchain::new(&esplora);
-        let wallet = Wallet::new(descriptor.as_str(), change_descriptor.as_ref().map(|x| x.as_str()), network, MemoryDatabase::new(), blockchain).await.map_err(|e| format!("{:?}", e))?;
-
-        Ok(WalletWrapper{
+        let wallet = Wallet::new(
+            descriptor.as_str(),
+            change_descriptor.as_ref().map(|x| x.as_str()),
+            network,
+            MemoryDatabase::new(),
+            blockchain,
+        )
+        .await
+        .map_err(|e| format!("{:?}", e))?;
+
+        Ok(WalletWrapper {
             _change_descriptor: change_descriptor,
             wallet: Rc::new(wallet),
         })
@@ -62,11 +85,78 @@ impl WalletWrapper {
         let wallet = Rc::clone(&self.wallet);
 
         future_to_promise(async move {
-            let matches = app.get_matches_from_safe_borrow(line.split(" ")).map_err(|e| e.message)?;
-            let res = cli::handle_matches(&wallet, matches).await.map_err(|e| format!("{:?}", e))?;
+            let matches = app
+                .get_matches_from_safe_borrow(line.split(" "))
+                .map_err(|e| e.message)?;
+            let res = cli::handle_matches(&wallet, matches)
+                .await
+                .map_err(|e| format!("{:?}", e))?;
 
             Ok(res.into())
         })
     }
 }
 
+#[derive(Debug, Deserialize)]
+#[serde(tag = "type", rename_all = "snake_case")]
+enum Alias {
+    GenWif,
+    GenExt { extra: String },
+    Existing { extra: String },
+}
+
+impl Alias {
+    fn into_key(self) -> String {
+        match self {
+            Alias::GenWif => {
+                let key = secp256k1::key::SecretKey::new(&mut rand::thread_rng());
+                let sk = bitcoin::util::key::PrivateKey {
+                    compressed: true,
+                    network: Network::Testnet,
+                    key,
+                };
+
+                sk.to_wif()
+            }
+            Alias::GenExt { extra: path } => {
+                let seed = rand::thread_rng().gen::<[u8; 32]>();
+                let xprv =
+                    bitcoin::util::bip32::ExtendedPrivKey::new_master(Network::Testnet, &seed)
+                        .unwrap();
+
+                format!("{}{}", xprv, path)
+            }
+            Alias::Existing { extra } => extra,
+        }
+    }
+}
+
+#[wasm_bindgen]
+pub fn compile(policy: String, aliases: String, script_type: String) -> Promise {
+    future_to_promise(async move {
+        let aliases: HashMap =
+            serde_json::from_str(&aliases).map_err(|e| format!("{:?}", e))?;
+        let aliases: HashMap = aliases
+            .into_iter()
+            .map(|(k, v)| (k, v.into_key()))
+            .collect();
+
+        let policy = Concrete::::from_str(&policy).map_err(|e| format!("{:?}", e))?;
+        let compiled = policy.compile().map_err(|e| format!("{:?}", e))?;
+
+        let descriptor = match script_type.as_str() {
+            "sh" => Descriptor::Sh(compiled),
+            "wsh" => Descriptor::Wsh(compiled),
+            "sh-wsh" => Descriptor::ShWsh(compiled),
+            _ => return Err("InvalidScriptType".into()),
+        };
+
+        let descriptor: Result, String> = descriptor.translate_pk(
+            |key| Ok(aliases.get(key).unwrap_or(key).into()),
+            |key| Ok(aliases.get(key).unwrap_or(key).into()),
+        );
+        let descriptor = descriptor?;
+
+        Ok(format!("{}", descriptor).into())
+    })
+}
diff --git a/playground/www/index.html b/playground/www/index.html
new file mode 100644
index 0000000000..e3d756d86f
--- /dev/null
+++ b/playground/www/index.html
@@ -0,0 +1 @@
+
diff --git a/playground/www/package-lock.json b/playground/www/package-lock.json
index beb7ef5909..c377791515 100644
--- a/playground/www/package-lock.json
+++ b/playground/www/package-lock.json
@@ -3347,6 +3347,10 @@
         "yallist": "^3.0.2"
       }
     },
+    "magical-bitcoin-wallet-playground": {
+      "version": "file:../pkg",
+      "dev": true
+    },
     "make-dir": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/make-dir/-/make-dir-2.1.0.tgz",
@@ -5396,10 +5400,6 @@
       "integrity": "sha512-2ham8XPWTONajOR0ohOKOHXkm3+gaBmGut3SRuu75xLd/RRaY6vqgh8NBYYk7+RW3u5AtzPQZG8F10LHkl0lAQ==",
       "dev": true
     },
-    "wasm-esplora": {
-      "version": "file:../pkg",
-      "dev": true
-    },
     "watchpack": {
       "version": "1.6.1",
       "resolved": "https://registry.npmjs.org/watchpack/-/watchpack-1.6.1.tgz",
diff --git a/playground/www/package.json b/playground/www/package.json
index 32969cb2a3..7e2771a2f6 100644
--- a/playground/www/package.json
+++ b/playground/www/package.json
@@ -27,7 +27,7 @@
   },
   "homepage": "https://github.com/rustwasm/create-wasm-app#readme",
   "devDependencies": {
-    "wasm-esplora": "file:../pkg",
+    "magical-bitcoin-wallet-playground": "file:../pkg",
     "webpack": "^4.29.3",
     "webpack-cli": "^3.1.0",
     "webpack-dev-server": "^3.1.5"
diff --git a/playground/www/src/index.js b/playground/www/src/index.js
index 22484d02c6..0d895788cf 100644
--- a/playground/www/src/index.js
+++ b/playground/www/src/index.js
@@ -1,4 +1,4 @@
-import { WalletWrapper, init } from "wasm-esplora";
+import { WalletWrapper, init, compile } from "magical-bitcoin-wallet-playground";
 
 async function startWallet(desc, change_desc) {
     const stdout = document.getElementById("stdout");
@@ -70,12 +70,16 @@ async function startWallet(desc, change_desc) {
 (async function() {
     init();
 
+    let currentWallet = null;
+
     document.getElementById("stdin").disabled = true;
 
     const start_button = document.getElementById("start_button");
+    const stop_button = document.getElementById("stop_button");
     const start_message = document.getElementById("start_message");
 
     start_button.disabled = false;
+    stop_button.disabled = true;
 
     const descriptor = document.getElementById("descriptor"); 
     const change_descriptor = document.getElementById("change_descriptor"); 
@@ -90,13 +94,75 @@ async function startWallet(desc, change_desc) {
         startWallet(descriptor.value, change_descriptor.value.length > 0 ? change_descriptor.value : null)
             .then((w) => {
                 start_button.disabled = true;
+
                 descriptor.disabled = true;
                 change_descriptor.disabled = true;
 
                 start_message.innerHTML = "Wallet created, running `sync`...";
 
                 w.run('sync').then(() => start_message.innerHTML = "Ready!");
+
+                currentWallet = w;
+                stop_button.disabled = false;
             })
             .catch((err) => start_message.innerHTML = `${err}`);
     };
+
+    stop_button.onclick = (e) => {
+        if (currentWallet == null) {
+            return;
+        }
+
+        e.preventDefault();
+
+        currentWallet.free();
+        start_message.innerHTML = "Wallet instance destroyed";
+
+        start_button.disabled = false;
+        stop_button.disabled = true;
+
+        descriptor.disabled = false;
+        change_descriptor.disabled = false;
+    };
+
+    const policy = document.getElementById('policy');
+    const compiler_script_type = document.getElementById('compiler_script_type');
+    const compiler_output = document.getElementById('compiler_output');
+    const compile_button = document.getElementById('compile_button');
+    compile_button.onclick = (e) => {
+        if (policy.value.length == 0) {
+            return;
+        }
+
+        e.preventDefault();
+
+        const single = !e.target.form.elements.namedItem('alias').length;
+
+        let elements_alias = e.target.form.elements.namedItem('alias');
+        let elements_type = e.target.form.elements.namedItem('type');
+        let elements_extra = e.target.form.elements.namedItem('extra');
+
+        if (single) {
+            elements_alias = [elements_alias];
+            elements_type = [elements_type];
+            elements_extra = [elements_extra];
+        } else {
+            elements_alias = Array.from(elements_alias);
+            elements_type = Array.from(elements_type);
+            elements_extra = Array.from(elements_extra);
+        }
+
+        const aliases = {};
+        elements_alias.forEach((alias) => {
+            const type = elements_type.filter((x) => x.attributes["data-index"].value == alias.attributes["data-index"].value)[0].value;
+            const extra = elements_extra.filter((x) => x.attributes["data-index"].value == alias.attributes["data-index"].value)[0].value;
+            const aliasValue = alias.value;
+
+            aliases[aliasValue] = { type, extra };
+        });
+
+        compile(policy.value, JSON.stringify(aliases), compiler_script_type.value)
+            .then(res => compiler_output.innerHTML = res)
+            .catch(err => compiler_output.innerHTML = `${err}`);
+    }
 })();
diff --git a/static/repl/playground/1.playground.js b/static/repl/playground/1.playground.js
index 4f248e8ddd..16c27aa7cd 100644
--- a/static/repl/playground/1.playground.js
+++ b/static/repl/playground/1.playground.js
@@ -1 +1 @@
-(window.webpackJsonp=window.webpackJsonp||[]).push([[1],[,function(n,t,e){"use strict";e.r(t);var r=e(2);!async function(){Object(r.gb)(),document.getElementById("stdin").disabled=!0;const n=document.getElementById("start_button"),t=document.getElementById("start_message");n.disabled=!1;const e=document.getElementById("descriptor"),u=document.getElementById("change_descriptor");n.onclick=o=>{0!=e.value.length&&(o.preventDefault(),async function(n,t){const e=document.getElementById("stdout"),u=document.getElementById("stdin");u.disabled=!1;const o=[];let c=0;const i=await new r.a("testnet",n,t,"https://blockstream.info/testnet/"),f=n=>{if("clear"!=n)return u.disabled=!0,e.innerHTML.length>0&&(e.innerHTML+="\n"),e.innerHTML+=`> ${n}\n`,c=o.push(n),i.run(n).then(n=>{n&&(e.innerHTML+=`${n}\n`)}).catch(n=>e.innerHTML+=`${n}\n`).finally(()=>{u.disabled=!1,e.scrollTop=e.scrollHeight-e.clientHeight});e.innerHTML=""};return u.onkeydown=n=>{if("Enter"==n.key){if(0==u.value.length)return;f(u.value),u.value="",n.preventDefault()}else"ArrowUp"==n.key?c>0&&(u.value=o[--c]):"ArrowDown"==n.key&&c0?u.value:null).then(r=>{n.disabled=!0,e.disabled=!0,u.disabled=!0,t.innerHTML="Wallet created, running `sync`...",r.run("sync").then(()=>t.innerHTML="Ready!")}).catch(n=>t.innerHTML=`${n}`))}}()},function(n,t,e){"use strict";(function(n,r){e.d(t,"gb",(function(){return j})),e.d(t,"a",(function(){return x})),e.d(t,"cb",(function(){return E})),e.d(t,"eb",(function(){return O})),e.d(t,"Q",(function(){return H})),e.d(t,"x",(function(){return A})),e.d(t,"J",(function(){return I})),e.d(t,"j",(function(){return M})),e.d(t,"Z",(function(){return B})),e.d(t,"bb",(function(){return L})),e.d(t,"q",(function(){return $})),e.d(t,"O",(function(){return P})),e.d(t,"K",(function(){return S})),e.d(t,"o",(function(){return D})),e.d(t,"c",(function(){return _})),e.d(t,"L",(function(){return R})),e.d(t,"r",(function(){return 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