wip: try to expose an in-memory SDK

pkg/client-sdk/Makefile

@@ -31,4 +31,4 @@ GO_VERSION := $(shell go version | cut -d' ' -f3)
 build-wasm:
 	@mkdir -p $(BUILD_DIR)
 	@echo "Version: $(VERSION)"
-	@GOOS=js GOARCH=wasm GO111MODULE=on go build -ldflags="-X 'main.Version=$(VERSION)'" -o $(BUILD_DIR)/ark-sdk.wasm $(WASM_DIR)/main.go
+	@GOOS=js GOARCH=wasm GO111MODULE=on go build -ldflags="-X 'main.Version=$(VERSION)'" -o $(BUILD_DIR)/ark-sdk.wasm $(WASM_DIR)/*.go

pkg/client-sdk/index.js

@@ -0,0 +1,48 @@
+// index.js
+
+const fs = require('fs').promises;
+const path = require('path');
+const dns = require('dns');
+
+// Set Google's DNS server
+dns.setServers(['8.8.8.8']);
+
+// Load the Go WASM runtime
+require('./wasm_exec');
+
+async function loadWasm() {
+  const go = new Go();
+  const wasmBuffer = await fs.readFile(path.join(__dirname, 'build/ark-sdk.wasm'));
+  const result = await WebAssembly.instantiate(wasmBuffer, go.importObject);
+  go.run(result.instance);
+}
+
+async function main() {
+  try {
+    await loadWasm();
+    console.log("ARK SDK WASM module loaded successfully");
+
+    // Set the network
+    const network = await global.getNetwork();
+    console.log("Network:", network);
+    // Call the Init function
+    try {
+      const result = await global.init(
+        "singlekey",           // Wallet type
+        "grpc",        // Client type
+        "https://asp-signet.arklabs.to", // ASP URL (replace with actual URL)
+        "abandon abandon abandon",   // Seed (replace with actual seed)
+        "sercet",      // Password (replace with actual password)
+        "signet"              // Chain (either "bitcoin" or "liquid")
+      );
+      console.log("Init function called successfully", result);
+    } catch (error) {
+      console.error("Error calling Init function:", error);
+    }
+
+  } catch (error) {
+    console.error("Error loading WASM module:", error);
+  }
+}
+
+main().catch(console.error);

pkg/client-sdk/wasm/browser/exports.go → pkg/client-sdk/wasm/exports.go

@@ -1,7 +1,7 @@
 //go:build js && wasm
 // +build js,wasm
 
-package browser
+package main
 
 import (
 	"context"
@@ -14,6 +14,10 @@ import (
 	"github.com/ark-network/ark/pkg/client-sdk/wallet"
 	singlekeywallet "github.com/ark-network/ark/pkg/client-sdk/wallet/singlekey"
 	walletstore "github.com/ark-network/ark/pkg/client-sdk/wallet/singlekey/store"
+	walletfilestore "github.com/ark-network/ark/pkg/client-sdk/wallet/singlekey/store/file"
+	walletmemstore "github.com/ark-network/ark/pkg/client-sdk/wallet/singlekey/store/inmemory"
+
+	browser "github.com/ark-network/ark/pkg/client-sdk/wasm/browser"
 )
 
 var (
@@ -115,9 +119,15 @@ func NewCovenantlessClient(
 	select {}
 }
 
-func getWalletStore(storeType string) (walletstore.WalletStore, error) {
-	if storeType == LocalStorageStore {
-		return NewLocalStorageWalletStore()
+func getWalletStore(storeType string, datadir string) (walletstore.WalletStore, error) {
+	if storeType == browser.LocalStorageStore {
+		return browser.NewLocalStorageWalletStore()
+	}
+	if storeType == store.FileStore {
+		return walletfilestore.NewWalletStore(datadir)
+	}
+	if storeType == store.InMemoryStore {
+		return walletmemstore.NewWalletStore()
 	}
 	// TODO: Support IndexDB store
 	return nil, fmt.Errorf("unknown wallet store type")
@@ -126,7 +136,7 @@ func getWalletStore(storeType string) (walletstore.WalletStore, error) {
 func getSingleKeyWallet(
 	configStore store.ConfigStore, network string,
 ) (wallet.WalletService, error) {
-	walletStore, err := getWalletStore(configStore.GetType())
+	walletStore, err := getWalletStore(configStore.GetType(), configStore.GetDatadir())
 	if err != nil {
 		return nil, err
 	}

pkg/client-sdk/wasm/main.go

@@ -5,36 +5,25 @@ package main
 
 import (
 	"context"
-	inmemorystore "github.com/ark-network/ark/pkg/client-sdk/store/inmemory"
-	"github.com/ark-network/ark/pkg/client-sdk/wasm/browser"
+	"syscall/js"
+
+	inmemory "github.com/ark-network/ark/pkg/client-sdk/store/inmemory"
 )
 
 func main() {
 	c := make(chan struct{}, 0)
-	var (
-		ctx = context.Background()
-	)
-	store, err := browser.NewLocalStorageStore()
+
+	storeSvc, err := inmemory.NewConfigStore()
 	if err != nil {
-		browser.ConsoleError(err)
+		js.Global().Get("console").Call("error", err.Error())
 		return
 	}
-	if store != nil {
-		if err := browser.NewCovenantlessClient(ctx, store); err != nil {
-			browser.ConsoleError(err)
-			return
-		}
-	} else {
-		storeSvc, err := inmemorystore.NewConfigStore()
-		if err != nil {
-			browser.ConsoleError(err)
-			return
-		}
-		if err := browser.NewCovenantlessClient(ctx, storeSvc); err != nil {
-			browser.ConsoleError(err)
-			return
-		}
+
+	if err := NewCovenantlessClient(context.Background(), storeSvc); err != nil {
+		js.Global().Get("console").Call("error", err.Error())
+		return
 	}
+
 	println("ARK SDK WebAssembly module initialized")
 	<-c
 }

pkg/client-sdk/wasm/browser/wrappers.go → pkg/client-sdk/wasm/wrappers.go

@@ -1,7 +1,7 @@
 //go:build js && wasm
 // +build js,wasm
 
-package browser
+package main
 
 import (
 	"context"
@@ -33,17 +33,17 @@ func LogWrapper() js.Func {
 func InitWrapper() js.Func {
 	return JSPromise(func(args []js.Value) (interface{}, error) {
 		if len(args) != 6 {
-			return nil, errors.New("invalid number of args")
+			return nil, errors.New("init: expected 6 arguments, got " + fmt.Sprint(len(args)))
 		}
 		chain := args[5].String()
-		if chain != "bitcoin" && chain != "liquid" {
-			return nil, errors.New("invalid chain, select either 'bitcoin' or 'liquid'")
+		if chain != "bitcoin" && chain != "liquid" && chain != "signet" && chain != "testnet" && chain != "regtest" && chain != "liquidtestnet" && chain != "liquidregtest" {
+			return nil, errors.New("invalid chain, select either 'bitcoin', 'liquid', 'signet', 'testnet', 'regtest', 'liquidtestnet', or 'liquidregtest'")
 		}
 
 		var walletSvc wallet.WalletService
 		switch args[0].String() {
 		case arksdk.SingleKeyWallet:
-			walletStore, err := getWalletStore(configStore.GetType())
+			walletStore, err := getWalletStore(configStore.GetType(), configStore.GetDatadir())
 			if err != nil {
 				return nil, fmt.Errorf("failed to init wallet store: %s", err)
 			}