feat: Add optional redb feature flag for database support

.github/workflows/ci.yml

@@ -123,6 +123,8 @@ jobs:
             -p cdk-payment-processor,
             --bin cdk-cli,
             --bin cdk-cli --features sqlcipher,
+            --bin cdk-cli --features redb,
+            --bin cdk-cli --features "sqlcipher redb",
             --bin cdk-mintd,
             --bin cdk-mintd --features redis,
             --bin cdk-mintd --features redb,

crates/cdk-cli/Cargo.toml

@@ -11,12 +11,14 @@ rust-version.workspace = true
 
 [features]
 sqlcipher = ["cdk-sqlite/sqlcipher"]
+# MSRV is not tracked with redb enabled
+redb = ["dep:cdk-redb"]
 
 [dependencies]
 anyhow.workspace = true
 bip39.workspace = true
 cdk = { workspace = true, default-features = false, features = ["wallet", "auth"]}
-cdk-redb = { workspace = true, features = ["wallet"] }
+cdk-redb = { workspace = true, features = ["wallet"], optional = true }
 cdk-sqlite = { workspace = true, features = ["wallet"] }
 clap.workspace = true
 serde.workspace = true

crates/cdk-cli/src/main.rs

@@ -9,6 +9,7 @@ use bip39::Mnemonic;
 use cdk::cdk_database;
 use cdk::cdk_database::WalletDatabase;
 use cdk::wallet::{HttpClient, MultiMintWallet, Wallet, WalletBuilder};
+#[cfg(feature = "redb")]
 use cdk_redb::WalletRedbDatabase;
 use cdk_sqlite::WalletSqliteDatabase;
 use clap::{Parser, Subcommand};
@@ -132,10 +133,16 @@ async fn main() -> Result<()> {
                 Arc::new(sql)
             }
             "redb" => {
+                #[cfg(feature = "redb")]
+                {
                     let redb_path = work_dir.join("cdk-cli.redb");
-
                     Arc::new(WalletRedbDatabase::new(&redb_path)?)
                 }
+                #[cfg(not(feature = "redb"))]
+                {
+                    bail!("redb feature not enabled");
+                }
+            }
             _ => bail!("Unknown DB engine"),
         };