Add silent_payments_index config option

internal/config_specification.toml

@@ -145,3 +145,7 @@ doc = "Logging filters, overriding `RUST_LOG` environment variable (see https://
 name = "signet_magic"
 type = "String"
 doc = "network magic for custom signet network in hex format, as found in Bitcoin Core logs (signet only)"
+
+[[switch]]
+name = "silent_payments_index"
+doc = "Enable silent payments index."

src/config.rs

@@ -146,6 +146,7 @@ pub struct Config {
     pub disable_electrum_rpc: bool,
     pub server_banner: String,
     pub signet_magic: Magic,
+    pub silent_payments_index: bool,
 }
 
 pub struct SensitiveAuth(pub Auth);
@@ -368,6 +369,7 @@ impl Config {
             disable_electrum_rpc: config.disable_electrum_rpc,
             server_banner: config.server_banner,
             signet_magic: magic,
+            silent_payments_index: config.silent_payments_index,
         };
         eprintln!(
             "Starting electrs {} on {} {} with {:?}",

src/tracker.rs

@@ -25,6 +25,7 @@ pub struct Tracker {
     mempool: Mempool,
     metrics: Metrics,
     ignore_mempool: bool,
+    silent_payments_index: bool,
 }
 
 pub(crate) enum Error {
@@ -52,6 +53,7 @@ impl Tracker {
             mempool: Mempool::new(&metrics),
             metrics,
             ignore_mempool: config.ignore_mempool,
+            silent_payments_index: config.silent_payments_index,
         })
     }