feat(config): enable horizon

Author: suchapalaver

contrib/indexer-service/config.toml

@@ -46,4 +46,4 @@ trigger_value_divisor = 500_000
 "ACCOUNT0_ADDRESS_PLACEHOLDER" = "http://tap-aggregator:7610"
 
 [horizon]
-enabled = false
+enabled = true

crates/tap-agent/src/agent.rs

@@ -176,10 +176,8 @@ pub async fn start_agent() -> (ActorRef<SenderAccountsManagerMessage>, JoinHandl
 
     let config = Box::leak(Box::new({
         let mut config = SenderAccountConfig::from_config(&CONFIG);
-        // FIXME: This is a temporary measure to disable
-        // Horizon, even if enabled through our configuration file.
-        // Force disable Horizon support
-        config.horizon_enabled = false;
+        // Enable Horizon support
+        config.horizon_enabled = true;
         // Add a warning log so operators know their setting was ignore
         if CONFIG.horizon.enabled {
             tracing::warn!(