add scan start block height config parameter

core/src/oracle_config.rs

@@ -30,6 +30,7 @@ pub const DEFAULT_ORACLE_CONFIG_FILE_NAME: &str = "oracle_config.yaml";
 pub struct OracleConfig {
     pub node_url: Url,
     pub base_fee: u64,
+    pub scan_start_height: u32,
     pub log_level: Option<LevelFilter>,
     pub core_api_port: u16,
     pub oracle_address: NetworkAddress,
@@ -117,6 +118,7 @@ impl Default for OracleConfig {
         Self {
             oracle_address: address.clone(),
             core_api_port: 9010,
+            scan_start_height: 0,
             data_point_source_custom_script: None,
             base_fee: *tx_builder::SUGGESTED_TX_FEE().as_u64(),
             log_level: LevelFilter::Info.into(),

core/src/scans/registry.rs

@@ -10,6 +10,7 @@ use crate::spec_token::PoolTokenId;
 use crate::spec_token::RefreshTokenId;
 use crate::spec_token::UpdateTokenId;
 
+use crate::oracle_config::ORACLE_CONFIG;
 use ::serde::Deserialize;
 use ::serde::Serialize;
 use once_cell::sync;
@@ -87,7 +88,7 @@ impl NodeScanRegistry {
             buyback_token_scan,
         };
         registry.save_to_json_file(&get_scans_file_path())?;
-        node_api.rescan_from_height(0)?;
+        node_api.rescan_from_height(ORACLE_CONFIG.scan_start_height)?;
         Ok(registry)
     }
 
@@ -116,7 +117,7 @@ impl NodeScanRegistry {
                 } else {
                     let buyback_token_scan =
                         GenericTokenScan::register(node_api, &pool_config_buyback_token_id)?;
-                    node_api.rescan_from_height(0)?;
+                    node_api.rescan_from_height(ORACLE_CONFIG.scan_start_height)?;
                     let new_registry = Self {
                         buyback_token_scan: Some(buyback_token_scan),
                         ..loaded_registry