add electrum config

.env.example

@@ -106,6 +106,18 @@ MONERO_MIN_INCOMING_ATOMIC=10000000 # 0.00001 XMR (~half a USD cent at that mome
 BITCOIN_CONFIRMATION_TIERS='[{"upToTotalFiat":"30","minConfirmations":0},{"upToTotalFiat":"100","minConfirmations":1},{"upToTotalFiat":"300","minConfirmations":3},{"minConfirmations":6}]'
 BITCOIN_MIN_INCOMING_ATOMIC=7 # 0.00000007 BTC (~half a USD cent at that moment)
 
+ELECTRUM_VERSION=4.8.1
+ELECTRUM_NETWORK=testnet
+ELECTRUM_SERVER=electrum.blockstream.info:60002:s
+ELECTRUM_DAEMON_HOST=electrum-daemon
+ELECTRUM_DAEMON_PORT=7777
+ELECTRUM_DAEMON_RPC_USER=electrum
+ELECTRUM_DAEMON_RPC_PASSWORD=change-me
+ELECTRUM_DAEMON_RPC_TIMEOUT_MS=10000
+ELECTRUM_WALLET_DIR=./electrum-daemon/wallet
+ELECTRUM_WALLET_NAME=shop
+ELECTRUM_WALLET_PASSWORD=change-me
+
 SIMPLEX_CHAT_VERSION=v6.5.6
 SIMPLEX_WS_URL=ws://simplex-cli:5225
 SIMPLEX_BOT_DISPLAY_NAME=NullCartBot

backend/src/config/index.ts

@@ -10,6 +10,8 @@ import {
     PostgresConfig,
     ShopSettingsConfig
 } from '../types/Config';
+import { ElectrumNetwork } from '../types/ElectrumNetwork';
+import { ElectrumWalletConfig } from '../types/ElectrumWalletConfig';
 import { MoneroNetwork } from '../types/MoneroNetwork';
 import { MoneroWalletConfig } from '../types/MoneroWalletConfig';
 import { ConfirmationTier } from '../types/ConfirmationTier';
@@ -210,6 +212,15 @@ export const getMoneroWalletConfig = (): MoneroWalletConfig => ({
     rpcTimeoutMs: envInt('MONERO_WALLET_RPC_TIMEOUT_MS')
 });
 
+export const getElectrumWalletConfig = (): ElectrumWalletConfig => ({
+    network: env('ELECTRUM_NETWORK') as ElectrumNetwork,
+    server: env('ELECTRUM_SERVER'),
+    rpcUrl: `http://${env('ELECTRUM_DAEMON_HOST')}:${envInt('ELECTRUM_DAEMON_PORT')}`,
+    username: env('ELECTRUM_DAEMON_RPC_USER'),
+    password: env('ELECTRUM_DAEMON_RPC_PASSWORD'),
+    rpcTimeoutMs: envInt('ELECTRUM_DAEMON_RPC_TIMEOUT_MS')
+});
+
 export const getSimplexConfig = (): SimplexConfig => ({
     wsUrl: env('SIMPLEX_WS_URL'),
     botDisplayName: env('SIMPLEX_BOT_DISPLAY_NAME')
@@ -226,5 +237,6 @@ export default () => ({
     order: getOrderConfig(),
     invoice: getInvoiceConfig(),
     moneroWallet: getMoneroWalletConfig(),
+    electrumWallet: getElectrumWalletConfig(),
     simplex: getSimplexConfig()
 });

backend/src/config/validate.ts

@@ -5,6 +5,7 @@ import { ShopFiatCurrency } from '../types/ShopFiatCurrency';
 import { IsBase64 } from '../validation/decorators/isBase64';
 import { IsConfirmationTiers } from '../validation/decorators/isConfirmationTiers';
 import { IsEnabledPaymentMethods } from '../validation/decorators/isEnabledPaymentMethods';
+import { ElectrumNetwork } from '../types/ElectrumNetwork';
 import { MoneroNetwork } from '../types/MoneroNetwork';
 
 class EnvironmentVariables {
@@ -342,6 +343,37 @@ class EnvironmentVariables {
     @Min(1000)
     MONERO_WALLET_RPC_TIMEOUT_MS: number;
 
+    @IsNotEmpty()
+    @IsEnum(ElectrumNetwork)
+    ELECTRUM_NETWORK: ElectrumNetwork;
+
+    @IsNotEmpty()
+    @IsString()
+    ELECTRUM_SERVER: string;
+
+    @IsNotEmpty()
+    @IsString()
+    ELECTRUM_DAEMON_HOST: string;
+
+    @IsNotEmpty()
+    @IsNumber()
+    @Min(1)
+    @Max(65535)
+    ELECTRUM_DAEMON_PORT: number;
+
+    @IsNotEmpty()
+    @IsString()
+    ELECTRUM_DAEMON_RPC_USER: string;
+
+    @IsNotEmpty()
+    @IsString()
+    ELECTRUM_DAEMON_RPC_PASSWORD: string;
+
+    @IsNotEmpty()
+    @IsNumber()
+    @Min(1000)
+    ELECTRUM_DAEMON_RPC_TIMEOUT_MS: number;
+
     @IsNotEmpty()
     @IsString()
     SIMPLEX_WS_URL: string;

backend/src/types/Config.ts

@@ -1,4 +1,5 @@
 import { ConfirmationTier } from './ConfirmationTier';
+import { ElectrumWalletConfig } from './ElectrumWalletConfig';
 import { MoneroWalletConfig } from './MoneroWalletConfig';
 import { NodeEnv } from './NodeEnv';
 import { PaymentMethod } from '../modules/payment/types/PaymentMethod';
@@ -122,5 +123,6 @@ export interface Config {
     order: OrderConfig;
     invoice: InvoiceConfig;
     moneroWallet: MoneroWalletConfig;
+    electrumWallet: ElectrumWalletConfig;
     simplex: SimplexConfig;
 }

backend/src/types/ElectrumNetwork.ts

@@ -0,0 +1,4 @@
+export enum ElectrumNetwork {
+    Mainnet = 'mainnet',
+    Testnet = 'testnet'
+}

backend/src/types/ElectrumWalletConfig.ts

@@ -0,0 +1,10 @@
+import { ElectrumNetwork } from './ElectrumNetwork';
+
+export interface ElectrumWalletConfig {
+    network: ElectrumNetwork;
+    server: string;
+    rpcUrl: string;
+    username: string;
+    password: string;
+    rpcTimeoutMs: number;
+}