ergoplatform · ross-weir · Dec 28, 2023 · Dec 28, 2023
diff --git a/core/src/api.rs b/core/src/api.rs
@@ -128,7 +128,11 @@ async fn pool_status(oracle_pool: Arc<OraclePool>) -> Result<Json<serde_json::Va
 }
 
 fn pool_status_sync(oracle_pool: Arc<OraclePool>) -> Result<Json<serde_json::Value>, ApiError> {
-    let node_api = NodeApi::new(ORACLE_SECRETS.node_api_key.clone(), &ORACLE_CONFIG.node_url);
+    let node_api = NodeApi::new(
+        ORACLE_SECRETS.node_api_key.clone(),
+        ORACLE_SECRETS.wallet_password.clone(),
+        &ORACLE_CONFIG.node_url,
+    );
     let current_height = node_api.node.current_block_height()? as u32;
     let pool_box = oracle_pool.get_pool_box_source().get_pool_box()?;
     let epoch_length = POOL_CONFIG
@@ -156,7 +160,11 @@ fn pool_status_sync(oracle_pool: Arc<OraclePool>) -> Result<Json<serde_json::Val
 /// Block height of the Ergo blockchain
 async fn block_height() -> Result<impl IntoResponse, ApiError> {
     let current_height = task::spawn_blocking(move || {
-        let node_api = NodeApi::new(ORACLE_SECRETS.node_api_key.clone(), &ORACLE_CONFIG.node_url);
+        let node_api = NodeApi::new(
+            ORACLE_SECRETS.node_api_key.clone(),
+            ORACLE_SECRETS.wallet_password.clone(),
+            &ORACLE_CONFIG.node_url,
+        );
         node_api.node.current_block_height()
     })
     .await
@@ -197,7 +205,11 @@ async fn oracle_health(oracle_pool: Arc<OraclePool>) -> impl IntoResponse {
 }
 
 fn oracle_health_sync(oracle_pool: Arc<OraclePool>) -> Result<OracleHealth, ApiError> {
-    let node_api = NodeApi::new(ORACLE_SECRETS.node_api_key.clone(), &ORACLE_CONFIG.node_url);
+    let node_api = NodeApi::new(
+        ORACLE_SECRETS.node_api_key.clone(),
+        ORACLE_SECRETS.wallet_password.clone(),
+        &ORACLE_CONFIG.node_url,
+    );
     let current_height = (node_api.node.current_block_height()? as u32).into();
     let epoch_length = POOL_CONFIG
         .refresh_box_wrapper_inputs
@@ -239,7 +251,11 @@ async fn pool_health(oracle_pool: Arc<OraclePool>) -> impl IntoResponse {
 }
 
 fn pool_health_sync(oracle_pool: Arc<OraclePool>) -> Result<PoolHealth, ApiError> {
-    let node_api = NodeApi::new(ORACLE_SECRETS.node_api_key.clone(), &ORACLE_CONFIG.node_url);
+    let node_api = NodeApi::new(
+        ORACLE_SECRETS.node_api_key.clone(),
+        ORACLE_SECRETS.wallet_password.clone(),
+        &ORACLE_CONFIG.node_url,
+    );
     let current_height = (node_api.node.current_block_height()? as u32).into();
     let pool_box = &oracle_pool.get_pool_box_source().get_pool_box()?;
     let pool_box_height = pool_box.get_box().creation_height.into();

diff --git a/core/src/cli_commands/bootstrap.rs b/core/src/cli_commands/bootstrap.rs
@@ -43,9 +43,8 @@ use crate::{
     },
     explorer_api::wait_for_txs_confirmation,
     node_interface::{
-        assert_wallet_unlocked,
         node_api::{NodeApi, NodeApiError},
-        SignTransactionWithInputs, SubmitTransaction,
+        try_ensure_wallet_unlocked, SignTransactionWithInputs, SubmitTransaction,
     },
     oracle_config::{BASE_FEE, ORACLE_CONFIG, ORACLE_SECRETS},
     oracle_types::{BlockHeight, EpochCounter},
@@ -69,8 +68,12 @@ pub fn bootstrap(config_file_name: String) -> Result<(), anyhow::Error> {
     let s = std::fs::read_to_string(config_file_name)?;
     let config: BootstrapConfig = serde_yaml::from_str(&s)?;
 
-    let node_api = NodeApi::new(ORACLE_SECRETS.node_api_key.clone(), &oracle_config.node_url);
-    assert_wallet_unlocked(&node_api.node);
+    let node_api = NodeApi::new(
+        ORACLE_SECRETS.node_api_key.clone(),
+        ORACLE_SECRETS.wallet_password.clone(),
+        &oracle_config.node_url,
+    );
+    try_ensure_wallet_unlocked(&node_api);
     let change_address = node_api.get_change_address()?;
     debug!("Change address: {:?}", change_address);
     let erg_value_per_box = config.oracle_contract_parameters.min_storage_rent;

diff --git a/core/src/main.rs b/core/src/main.rs
@@ -66,8 +66,8 @@ use log::error;
 use log::LevelFilter;
 use metrics::start_metrics_server;
 use metrics::update_metrics;
-use node_interface::assert_wallet_unlocked;
 use node_interface::node_api::NodeApi;
+use node_interface::try_ensure_wallet_unlocked;
 use oracle_config::ORACLE_CONFIG;
 use oracle_config::ORACLE_SECRETS;
 use oracle_state::OraclePool;
@@ -282,8 +282,12 @@ fn main() {
         Arc::new(RwLock::new(ActionReportStorage::new()));
 
     log_on_launch();
-    let node_api = NodeApi::new(ORACLE_SECRETS.node_api_key.clone(), &ORACLE_CONFIG.node_url);
-    assert_wallet_unlocked(&node_api.node);
+    let node_api = NodeApi::new(
+        ORACLE_SECRETS.node_api_key.clone(),
+        ORACLE_SECRETS.wallet_password.clone(),
+        &ORACLE_CONFIG.node_url,
+    );
+    try_ensure_wallet_unlocked(&node_api);
     wait_for_node_rescan(&node_api).unwrap();
 
     let pool_config = &POOL_CONFIG;

diff --git a/core/src/metrics.rs b/core/src/metrics.rs
@@ -271,7 +271,11 @@ fn update_reward_tokens_in_buyback_box(oracle_pool: Arc<OraclePool>) {
 }
 
 pub fn update_metrics(oracle_pool: Arc<OraclePool>) -> Result<(), anyhow::Error> {
-    let node_api = NodeApi::new(ORACLE_SECRETS.node_api_key.clone(), &ORACLE_CONFIG.node_url);
+    let node_api = NodeApi::new(
+        ORACLE_SECRETS.node_api_key.clone(),
+        ORACLE_SECRETS.wallet_password.clone(),
+        &ORACLE_CONFIG.node_url,
+    );
     let current_height = (node_api.node.current_block_height()? as u32).into();
     let network_prefix = node_api.get_change_address()?.network();
     let pool_box = &oracle_pool.get_pool_box_source().get_pool_box()?;

diff --git a/core/src/node_interface.rs b/core/src/node_interface.rs
@@ -1,3 +1,4 @@
+use crate::node_interface::node_api::NodeApi;
 use ergo_lib::{
     chain::transaction::{unsigned::UnsignedTransaction, Transaction, TxId, TxIoVec},
     ergotree_ir::chain::ergo_box::ErgoBox,
@@ -62,11 +63,19 @@ impl SignTransactionWithInputs for NodeInterface {
     }
 }
 
-pub fn assert_wallet_unlocked(node: &NodeInterface) {
-    let unlocked = node.wallet_status().unwrap().unlocked;
+pub fn try_ensure_wallet_unlocked(node: &NodeApi) {
+    let unlocked = node.node.wallet_status().unwrap().unlocked;
+
     if !unlocked {
-        error!("Wallet must be unlocked for node operations");
-        std::process::exit(exitcode::SOFTWARE);
+        if let Some(wallet_pass) = &node.wallet_pass {
+            if let Err(e) = node.wallet_unlock(wallet_pass) {
+                error!("Failed to unlock wallet. Wallet must be unlocked for node operations. error: {:?}", e);
+                std::process::exit(exitcode::SOFTWARE);
+            }
+        } else {
+            error!("Wallet must be unlocked for node operations");
+            std::process::exit(exitcode::SOFTWARE);
+        }
     } else {
         debug!("Wallet unlocked");
     }

diff --git a/core/src/node_interface/node_api.rs b/core/src/node_interface/node_api.rs
@@ -18,12 +18,13 @@ use crate::wallet::WalletDataSource;
 
 pub struct NodeApi {
     pub node: NodeInterface,
+    pub wallet_pass: Option<String>,
 }
 
 impl NodeApi {
-    pub fn new(api_key: String, node_url: &Url) -> Self {
+    pub fn new(api_key: String, wallet_pass: Option<String>, node_url: &Url) -> Self {
         let node = NodeInterface::from_url(&api_key, node_url.clone());
-        Self { node }
+        Self { node, wallet_pass }
     }
 
     pub fn get_change_address(&self) -> Result<NetworkAddress, NodeApiError> {
@@ -95,6 +96,25 @@ impl NodeApi {
         );
         Ok(self.node.submit_transaction(&signed_tx)?)
     }
+
+    /// Unlock wallet
+    pub fn wallet_unlock(&self, password: &str) -> Result<bool, NodeApiError> {
+        let endpoint = "/wallet/unlock";
+        let body = json! ({
+            "pass": password,
+        });
+
+        let res = self.node.send_post_req(endpoint, body.to_string())?;
+
+        if res.status().is_success() {
+            Ok(true)
+        } else {
+            let json = self.node.parse_response_to_json(Ok(res))?;
+            Err(NodeApiError::NodeInterfaceError(NodeError::BadRequest(
+                json["error"].to_string(),
+            )))
+        }
+    }
 }
 
 impl WalletDataSource for NodeApi {

diff --git a/core/src/oracle_config.rs b/core/src/oracle_config.rs
@@ -16,7 +16,7 @@ use ergo_lib::{
     },
     wallet::tx_builder::{self, SUGGESTED_TX_FEE},
 };
-use log::LevelFilter;
+use log::{warn, LevelFilter};
 use once_cell::sync;
 use reqwest::Url;
 use serde::{Deserialize, Serialize};
@@ -41,15 +41,24 @@ pub struct OracleConfig {
 
 pub struct OracleSecrets {
     pub node_api_key: String,
+    pub wallet_password: Option<String>,
 }
 
 impl OracleSecrets {
     pub fn load() -> Self {
-        std::env::var("ORACLE_NODE_API_KEY")
-            .map(|node_api_key| Self { node_api_key })
-            .unwrap_or_else(|_| {
-                panic!("ORACLE_NODE_API_KEY environment variable for node API key is not set")
-            })
+        let api_key = std::env::var("ORACLE_NODE_API_KEY").unwrap_or_else(|_| {
+            panic!("ORACLE_NODE_API_KEY environment variable for node API key is not set")
+        });
+
+        let wallet_pass = std::env::var("ORACLE_NODE_WALLET_PASSWORD").ok();
+        if wallet_pass.is_none() {
+            warn!("ORACLE_NODE_WALLET_PASSWORD environment variable for automatic unlock of node wallet is not set");
+        }
+
+        Self {
+            node_api_key: api_key,
+            wallet_password: wallet_pass,
+        }
     }
 }
 

diff --git a/core/src/scans.rs b/core/src/scans.rs
@@ -41,7 +41,11 @@ pub trait NodeScanId {
 
 pub trait ScanGetBoxes: NodeScanId {
     fn get_boxes(&self) -> Result<Vec<ErgoBox>, ScanError> {
-        let node_api = NodeApi::new(ORACLE_SECRETS.node_api_key.clone(), &ORACLE_CONFIG.node_url);
+        let node_api = NodeApi::new(
+            ORACLE_SECRETS.node_api_key.clone(),
+            ORACLE_SECRETS.wallet_password.clone(),
+            &ORACLE_CONFIG.node_url,
+        );
         let boxes = node_api.node.scan_boxes(self.scan_id())?;
         Ok(boxes)
     }