buyer initiated flow

programs/descro_ext_resolvers/src/state.rs

@@ -5,6 +5,7 @@ use anchor_lang::prelude::*;
 pub struct ResolverEntry {
     pub authority: Pubkey,
     pub resolver_type: ResolverType,
+    pub acceptance_policy: AcceptancePolicy,
     #[max_len(64)]
     pub name: String,
     #[max_len(256)]
@@ -28,6 +29,13 @@ pub enum ResolverType {
     Multisig,
 }
 
+#[derive(AnchorSerialize, AnchorDeserialize, Clone, PartialEq, InitSpace, Debug)]
+pub enum AcceptancePolicy {
+    Open,
+    SignatureGated,
+    ProgramGated,
+}
+
 /// Passed to update_stats; mirrors the Escrow program's Winner enum.
 #[derive(AnchorSerialize, AnchorDeserialize, Clone, PartialEq)]
 pub enum Ruling {