added missing function

src/chainstate/stacks/db/blocks.rs

@@ -32,6 +32,7 @@ use rand::RngCore;
 use rusqlite::Connection;
 use rusqlite::DatabaseName;
 use rusqlite::{Error as sqlite_error, OptionalExtension};
+use serde::Serialize;
 
 use crate::burnchains::affirmation::AffirmationMap;
 use crate::burnchains::db::BurnchainDB;

testnet/stacks-node/src/neon_node.rs

@@ -217,7 +217,7 @@ use super::{BurnchainController, Config, EventDispatcher, Keychain};
 use crate::syncctl::PoxSyncWatchdogComms;
 use stacks::monitoring;
 
-use stacks_common::types::chainstate::StacksBlockId;
+use stacks_common::types::chainstate::{StacksBlockId, StacksPrivateKey};
 use stacks_common::util::vrf::VRFProof;
 
 use clarity::vm::ast::ASTRules;
@@ -3821,6 +3821,25 @@ impl PeerThread {
 }
 
 impl StacksNode {
+    /// Create a StacksPrivateKey from a given seed buffer
+    pub fn make_node_private_key_from_seed(seed: &[u8]) -> StacksPrivateKey {
+        let node_privkey = {
+            let mut re_hashed_seed = seed.to_vec();
+            let my_private_key = loop {
+                match Secp256k1PrivateKey::from_slice(&re_hashed_seed[..]) {
+                    Ok(sk) => break sk,
+                    Err(_) => {
+                        re_hashed_seed = Sha256Sum::from_data(&re_hashed_seed[..])
+                            .as_bytes()
+                            .to_vec()
+                    }
+                }
+            };
+            my_private_key
+        };
+        node_privkey
+    }
+
     /// Set up the AST size-precheck height, if configured
     fn setup_ast_size_precheck(config: &Config, sortdb: &mut SortitionDB) {
         if let Some(ast_precheck_size_height) = config.burnchain.ast_precheck_size_height {