feat: docker-compose

Dockerfile

@@ -37,4 +37,4 @@ RUN ARCH=$(uname -m) && \
     fi
 
 # Set the entry point for the container
-CMD ["cdk-mintd"]
+CMD ["cdk-mintd"]

crates/cdk-mintd/src/config.rs

@@ -27,6 +27,7 @@ pub struct Info {
 #[serde(rename_all = "lowercase")]
 pub enum LnBackend {
     #[default]
+    None,
     Cln,
     Strike,
     LNbits,
@@ -120,7 +121,9 @@ pub struct FakeWallet {
     pub supported_units: Vec<CurrencyUnit>,
     pub fee_percent: f32,
     pub reserve_fee_min: Amount,
+    #[serde(default = "default_min_delay_time")]
     pub min_delay_time: u64,
+    #[serde(default = "default_max_delay_time")]
     pub max_delay_time: u64,
 }
 
@@ -136,6 +139,15 @@ impl Default for FakeWallet {
     }
 }
 
+// Helper functions to provide default values
+fn default_min_delay_time() -> u64 {
+    1
+}
+
+fn default_max_delay_time() -> u64 {
+    3
+}
+
 #[derive(Debug, Serialize, Deserialize, Clone, PartialEq, Default)]
 #[serde(rename_all = "lowercase")]
 pub enum DatabaseEngine {
@@ -234,6 +246,7 @@ impl Settings {
         let settings: Settings = config.try_deserialize()?;
 
         match settings.ln.ln_backend {
+            LnBackend::None => panic!("Ln backend must be set"),
             LnBackend::Cln => assert!(
                 settings.cln.is_some(),
                 "CLN backend requires a valid config."

crates/cdk-mintd/src/env_vars.rs

@@ -2,7 +2,7 @@ use std::env;
 use std::path::PathBuf;
 use std::str::FromStr;
 
-use anyhow::{anyhow, Result};
+use anyhow::{anyhow, bail, Result};
 use cdk::nuts::CurrencyUnit;
 
 use crate::config::{
@@ -10,72 +10,64 @@ use crate::config::{
     Phoenixd, Settings, Strike,
 };
 
-pub const DATABASE_ENV_VAR: &str = "CDK-MINTD-DATABASE";
-pub const ENV_URL: &str = "CDK-MINTD-URL";
-pub const ENV_LISTEN_HOST: &str = "CDK-MINTD-LISTEN-HOST";
-pub const ENV_LISTEN_PORT: &str = "CDK-MINTD-LISTEN-PORT";
-pub const ENV_MNEMONIC: &str = "CDK-MINTD-MNEMONIC";
-pub const ENV_SECONDS_QUOTE_VALID: &str = "CDK-MINTD-SECONDS-QUOTE-VALID";
-pub const ENV_CACHE_SECONDS: &str = "CDK-MINTD-CACHE-SECONDS";
-pub const ENV_EXTEND_CACHE_SECONDS: &str = "CDK-MINTD-EXTEND-CACHE-SECONDS";
-pub const ENV_INPUT_FEE_PPK: &str = "CDK-MINTD-INPUT-FEE-PPK";
-pub const ENV_ENABLE_SWAGGER: &str = "CDK-MINTD-ENABLE-SWAGGER";
-
+pub const DATABASE_ENV_VAR: &str = "CDK_MINTD_DATABASE";
+pub const ENV_URL: &str = "CDK_MINTD_URL";
+pub const ENV_LISTEN_HOST: &str = "CDK_MINTD_LISTEN_HOST";
+pub const ENV_LISTEN_PORT: &str = "CDK_MINTD_LISTEN_PORT";
+pub const ENV_MNEMONIC: &str = "CDK_MINTD_MNEMONIC";
+pub const ENV_SECONDS_QUOTE_VALID: &str = "CDK_MINTD_SECONDS_QUOTE_VALID";
+pub const ENV_CACHE_SECONDS: &str = "CDK_MINTD_CACHE_SECONDS";
+pub const ENV_EXTEND_CACHE_SECONDS: &str = "CDK_MINTD_EXTEND_CACHE_SECONDS";
+pub const ENV_INPUT_FEE_PPK: &str = "CDK_MINTD_INPUT_FEE_PPK";
+pub const ENV_ENABLE_SWAGGER: &str = "CDK_MINTD_ENABLE_SWAGGER";
 // MintInfo
-pub const ENV_MINT_NAME: &str = "CDK-MINTD-MINT-NAME";
-pub const ENV_MINT_PUBKEY: &str = "CDK-MINTD-MINT-PUBKEY";
-pub const ENV_MINT_DESCRIPTION: &str = "CDK-MINTD-MINT-DESCRIPTION";
-pub const ENV_MINT_DESCRIPTION_LONG: &str = "CDK-MINTD-MINT-DESCRIPTION-LONG";
-pub const ENV_MINT_ICON_URL: &str = "CDK-MINTD-MINT-ICON-URL";
-pub const ENV_MINT_MOTD: &str = "CDK-MINTD-MINT-MOTD";
-pub const ENV_MINT_CONTACT_NOSTR: &str = "CDK-MINTD-MINT-CONTACT-NOSTR";
-pub const ENV_MINT_CONTACT_EMAIL: &str = "CDK-MINTD-MINT-CONTACT-EMAIL";
-
+pub const ENV_MINT_NAME: &str = "CDK_MINTD_MINT_NAME";
+pub const ENV_MINT_PUBKEY: &str = "CDK_MINTD_MINT_PUBKEY";
+pub const ENV_MINT_DESCRIPTION: &str = "CDK_MINTD_MINT_DESCRIPTION";
+pub const ENV_MINT_DESCRIPTION_LONG: &str = "CDK_MINTD_MINT_DESCRIPTION_LONG";
+pub const ENV_MINT_ICON_URL: &str = "CDK_MINTD_MINT_ICON_URL";
+pub const ENV_MINT_MOTD: &str = "CDK_MINTD_MINT_MOTD";
+pub const ENV_MINT_CONTACT_NOSTR: &str = "CDK_MINTD_MINT_CONTACT_NOSTR";
+pub const ENV_MINT_CONTACT_EMAIL: &str = "CDK_MINTD_MINT_CONTACT_EMAIL";
 // LN
-pub const ENV_LN_BACKEND: &str = "CDK-MINTD-LN-BACKEND";
-pub const ENV_LN_INVOICE_DESCRIPTION: &str = "CDK-MINTD-LN-INVOICE-DESCRIPTION";
-pub const ENV_LN_MIN_MINT: &str = "CDK-MINTD-LN-MIN-MINT";
-pub const ENV_LN_MAX_MINT: &str = "CDK-MINTD-LN-MAX-MINT";
-pub const ENV_LN_MIN_MELT: &str = "CDK-MINTD-LN-MIN-MELT";
-pub const ENV_LN_MAX_MELT: &str = "CDK-MINTD-LN-MAX-MELT";
-
+pub const ENV_LN_BACKEND: &str = "CDK_MINTD_LN_BACKEND";
+pub const ENV_LN_INVOICE_DESCRIPTION: &str = "CDK_MINTD_LN_INVOICE_DESCRIPTION";
+pub const ENV_LN_MIN_MINT: &str = "CDK_MINTD_LN_MIN_MINT";
+pub const ENV_LN_MAX_MINT: &str = "CDK_MINTD_LN_MAX_MINT";
+pub const ENV_LN_MIN_MELT: &str = "CDK_MINTD_LN_MIN_MELT";
+pub const ENV_LN_MAX_MELT: &str = "CDK_MINTD_LN_MAX_MELT";
 // CLN
-pub const ENV_CLN_RPC_PATH: &str = "CDK-MINTD-CLN-RPC-PATH";
-pub const ENV_CLN_BOLT12: &str = "CDK-MINTD-CLN-BOLT12";
-pub const ENV_CLN_FEE_PERCENT: &str = "CDK-MINTD-CLN-FEE-PERCENT";
-pub const ENV_CLN_RESERVE_FEE_MIN: &str = "CDK-MINTD-CLN-RESERVE-FEE-MIN";
-
+pub const ENV_CLN_RPC_PATH: &str = "CDK_MINTD_CLN_RPC_PATH";
+pub const ENV_CLN_BOLT12: &str = "CDK_MINTD_CLN_BOLT12";
+pub const ENV_CLN_FEE_PERCENT: &str = "CDK_MINTD_CLN_FEE_PERCENT";
+pub const ENV_CLN_RESERVE_FEE_MIN: &str = "CDK_MINTD_CLN_RESERVE_FEE_MIN";
 // Strike
-pub const ENV_STRIKE_API_KEY: &str = "CDK-MINTD-STRIKE-API-KEY";
-pub const ENV_STRIKE_SUPPORTED_UNITS: &str = "CDK-MINTD-STRIKE-SUPPORTED-UNITS";
-
+pub const ENV_STRIKE_API_KEY: &str = "CDK_MINTD_STRIKE_API_KEY";
+pub const ENV_STRIKE_SUPPORTED_UNITS: &str = "CDK_MINTD_STRIKE_SUPPORTED_UNITS";
 // LND environment variables
-pub const ENV_LND_ADDRESS: &str = "CDK-MINTD-LND-ADDRESS";
-pub const ENV_LND_CERT_FILE: &str = "CDK-MINTD-LND-CERT-FILE";
-pub const ENV_LND_MACAROON_FILE: &str = "CDK-MINTD-LND-MACAROON-FILE";
-pub const ENV_LND_FEE_PERCENT: &str = "CDK-MINTD-LND-FEE-PERCENT";
-pub const ENV_LND_RESERVE_FEE_MIN: &str = "CDK-MINTD-LND-RESERVE-FEE-MIN";
-
+pub const ENV_LND_ADDRESS: &str = "CDK_MINTD_LND_ADDRESS";
+pub const ENV_LND_CERT_FILE: &str = "CDK_MINTD_LND_CERT_FILE";
+pub const ENV_LND_MACAROON_FILE: &str = "CDK_MINTD_LND_MACAROON_FILE";
+pub const ENV_LND_FEE_PERCENT: &str = "CDK_MINTD_LND_FEE_PERCENT";
+pub const ENV_LND_RESERVE_FEE_MIN: &str = "CDK_MINTD_LND_RESERVE_FEE_MIN";
 // Phoenixd environment variables
-pub const ENV_PHOENIXD_API_PASSWORD: &str = "CDK-MINTD-PHOENIXD-API-PASSWORD";
-pub const ENV_PHOENIXD_API_URL: &str = "CDK-MINTD-PHOENIXD-API-URL";
-pub const ENV_PHOENIXD_BOLT12: &str = "CDK-MINTD-PHOENIXD-BOLT12";
-pub const ENV_PHOENIXD_FEE_PERCENT: &str = "CDK-MINTD-PHOENIXD-FEE-PERCENT";
-pub const ENV_PHOENIXD_RESERVE_FEE_MIN: &str = "CDK-MINTD-PHOENIXD-RESERVE-FEE-MIN";
-
+pub const ENV_PHOENIXD_API_PASSWORD: &str = "CDK_MINTD_PHOENIXD_API_PASSWORD";
+pub const ENV_PHOENIXD_API_URL: &str = "CDK_MINTD_PHOENIXD_API_URL";
+pub const ENV_PHOENIXD_BOLT12: &str = "CDK_MINTD_PHOENIXD_BOLT12";
+pub const ENV_PHOENIXD_FEE_PERCENT: &str = "CDK_MINTD_PHOENIXD_FEE_PERCENT";
+pub const ENV_PHOENIXD_RESERVE_FEE_MIN: &str = "CDK_MINTD_PHOENIXD_RESERVE_FEE_MIN";
 // LNBits
-pub const ENV_LNBITS_ADMIN_API_KEY: &str = "CDK-MINTD-LNBITS-ADMIN-API-KEY";
-pub const ENV_LNBITS_INVOICE_API_KEY: &str = "CDK-MINTD-LNBITS-INVOICE-API-KEY";
-pub const ENV_LNBITS_API: &str = "CDK-MINTD-LNBITS-API";
-pub const ENV_LNBITS_FEE_PERCENT: &str = "CDK-MINTD-LNBITS-FEE-PERCENT";
-pub const ENV_LNBITS_RESERVE_FEE_MIN: &str = "CDK-MINTD-LNBITS-RESERVE-FEE-MIN";
-
+pub const ENV_LNBITS_ADMIN_API_KEY: &str = "CDK_MINTD_LNBITS_ADMIN_API_KEY";
+pub const ENV_LNBITS_INVOICE_API_KEY: &str = "CDK_MINTD_LNBITS_INVOICE_API_KEY";
+pub const ENV_LNBITS_API: &str = "CDK_MINTD_LNBITS_API";
+pub const ENV_LNBITS_FEE_PERCENT: &str = "CDK_MINTD_LNBITS_FEE_PERCENT";
+pub const ENV_LNBITS_RESERVE_FEE_MIN: &str = "CDK_MINTD_LNBITS_RESERVE_FEE_MIN";
 // Fake Wallet
-pub const ENV_FAKE_WALLET_SUPPORTED_UNITS: &str = "CDK-MINTD-FAKE-WALLET-SUPPORTED-UNITS";
-pub const ENV_FAKE_WALLET_FEE_PERCENT: &str = "CDK-MINTD-FAKE-WALLET-FEE-PERCENT";
-pub const ENV_FAKE_WALLET_RESERVE_FEE_MIN: &str = "CDK-MINTD-FAKE-WALLET-RESERVE-FEE-MIN";
-pub const ENV_FAKE_WALLET_MIN_DELAY: &str = "CDK-MINTD-FAKE-WALLET-MIN-DELAY";
-pub const ENV_FAKE_WALLET_MAX_DELAY: &str = "CDK-MINTD-FAKE-WALLET-MAX-DELAY";
+pub const ENV_FAKE_WALLET_SUPPORTED_UNITS: &str = "CDK_MINTD_FAKE_WALLET_SUPPORTED_UNITS";
+pub const ENV_FAKE_WALLET_FEE_PERCENT: &str = "CDK_MINTD_FAKE_WALLET_FEE_PERCENT";
+pub const ENV_FAKE_WALLET_RESERVE_FEE_MIN: &str = "CDK_MINTD_FAKE_WALLET_RESERVE_FEE_MIN";
+pub const ENV_FAKE_WALLET_MIN_DELAY: &str = "CDK_MINTD_FAKE_WALLET_MIN_DELAY";
+pub const ENV_FAKE_WALLET_MAX_DELAY: &str = "CDK_MINTD_FAKE_WALLET_MAX_DELAY";
 
 impl Settings {
     pub fn from_env(&mut self) -> Result<Self> {
@@ -86,6 +78,7 @@ impl Settings {
 
         self.info = self.info.clone().from_env();
         self.mint_info = self.mint_info.clone().from_env();
+        self.ln = self.ln.clone().from_env();
 
         match self.ln.ln_backend {
             LnBackend::Cln => {
@@ -106,6 +99,7 @@ impl Settings {
             LnBackend::Lnd => {
                 self.lnd = Some(self.lnd.clone().unwrap_or_default().from_env());
             }
+            LnBackend::None => bail!("Ln backend must be set"),
         }
 
         Ok(self.clone())

crates/cdk-mintd/src/main.rs

@@ -63,9 +63,16 @@ async fn main() -> anyhow::Result<()> {
         None => work_dir.join("config.toml"),
     };
 
+    tracing::info!("Using work dir: {}", work_dir.display());
+
     let mut mint_builder = MintBuilder::new();
 
-    let mut settings = config::Settings::new(&Some(config_file_arg));
+    let mut settings = if config_file_arg.exists() {
+        config::Settings::new(&Some(config_file_arg))
+    } else {
+        tracing::info!("Config file does not exist. Attempting to read env vars");
+        config::Settings::default()
+    };
 
     // This check for any settings defined in ENV VARs
     // ENV VARS will take **priority** over those in the config
@@ -133,6 +140,8 @@ async fn main() -> anyhow::Result<()> {
         melt_max: settings.ln.max_melt,
     };
 
+    println!("{:?}", settings);
+
     match settings.ln.ln_backend {
         LnBackend::Cln => {
             let cln_settings = settings
@@ -256,6 +265,7 @@ async fn main() -> anyhow::Result<()> {
                 mint_builder = mint_builder.add_supported_websockets(nut17_supported);
             }
         }
+        LnBackend::None => bail!("Ln backend must be set"),
     };
 
     if let Some(long_description) = &settings.mint_info.description_long {
@@ -383,6 +393,9 @@ async fn main() -> anyhow::Result<()> {
 
 fn work_dir() -> Result<PathBuf> {
     let home_dir = home::home_dir().ok_or(anyhow!("Unknown home dir"))?;
+    let dir = home_dir.join(".cdk-mintd");
+
+    std::fs::create_dir_all(&dir)?;
 
-    Ok(home_dir.join(".cdk-mintd"))
+    Ok(dir)
 }

docker-compose.yaml

@@ -0,0 +1,16 @@
+services:
+  mintd:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    container_name: mint
+    ports:
+      - "8085:8085"
+    environment:
+      - CDK_MINTD_URL=https://example.com
+      - CDK_MINTD_LN_BACKEND=fakewallet
+      - CDK_MINTD_LISTEN_HOST=0.0.0.0
+      - CDK_MINTD_LISTEN_PORT=8085
+      - CDK_MINTD_MNEMONIC=
+      - CDK_MINTD_DATABASE=redb
+    command: ["cdk-mintd"]