From 62b0cf861d28f23c1c13edc4ff331e1faf665a2b Mon Sep 17 00:00:00 2001
From: Evan Feenstra <evanfeenstra@gmail.com>
Date: Mon, 1 Aug 2022 12:07:38 -0700
Subject: [PATCH] make_factory

---
 signer/src/init.rs   |  5 ++---
 signer/src/policy.rs | 29 ++++++++++++++++++++++++++---
 2 files changed, 28 insertions(+), 6 deletions(-)

diff --git a/signer/src/init.rs b/signer/src/init.rs
index 9b0759f..05be789 100644
--- a/signer/src/init.rs
+++ b/signer/src/init.rs
@@ -1,8 +1,7 @@
-use crate::policy::Policy;
+use crate::policy::{make_factory, Policy};
 
 use lightning_signer::node::{Node, NodeConfig};
 use lightning_signer::persist::Persist;
-use lightning_signer::policy::simple_validator::SimpleValidatorFactory;
 use lightning_signer::signer::derive::KeyDerivationStyle;
 use std::sync::Arc;
 use vls_protocol_signer::handler::RootHandler;
@@ -27,7 +26,7 @@ pub fn new_root_handler_with_policy(
     // [permissive mode]
     // policy.filter = PolicyFilter::new_permissive();
 
-    let validator_factory = Arc::new(SimpleValidatorFactory::new_with_policy(policy.into()));
+    let validator_factory = Arc::new(make_factory(policy, network));
     let node = if nodes.is_empty() {
         let node = Arc::new(Node::new(
             config,
diff --git a/signer/src/policy.rs b/signer/src/policy.rs
index 9f9ca59..d608735 100644
--- a/signer/src/policy.rs
+++ b/signer/src/policy.rs
@@ -1,14 +1,19 @@
 use lightning_signer::policy::filter::PolicyFilter;
 use lightning_signer::policy::simple_validator::SimplePolicy;
-use std::convert::From;
+use lightning_signer::policy::simple_validator::SimpleValidatorFactory;
 use vls_protocol_signer::lightning_signer;
+use vls_protocol_signer::lightning_signer::bitcoin::Network;
 
 pub struct Policy {
     pub max_htlc_value_sat: u64,
 }
 
-impl From<Policy> for SimplePolicy {
-    fn from(p: Policy) -> Self {
+pub fn make_factory(policy: Policy, network: Network) -> SimpleValidatorFactory {
+    SimpleValidatorFactory::new_with_policy(make_policy(policy, network))
+}
+
+pub fn make_policy(p: Policy, network: Network) -> SimplePolicy {
+    if network == Network::Bitcoin {
         SimplePolicy {
             min_delay: 144,  // LDK min
             max_delay: 2016, // LDK max
@@ -25,5 +30,23 @@ impl From<Policy> for SimplePolicy {
             dev_flags: None,
             filter: PolicyFilter::default(),
         }
+    } else {
+        SimplePolicy {
+            min_delay: 4,
+            max_delay: 2016,                     // Match LDK maximum and default
+            max_channel_size_sat: 1_000_000_001, // lnd itest: wumbu default + 1
+            // lnd itest: async_bidirectional_payments (large amount of dust HTLCs) 1_600_000
+            epsilon_sat: 10_000, // c-lightning
+            max_htlcs: 1000,
+            max_htlc_value_sat: p.max_htlc_value_sat,
+            use_chain_state: false,
+            min_feerate_per_kw: 253, // testnet/regtest observed
+            max_feerate_per_kw: 100_000,
+            require_invoices: false,
+            enforce_balance: false,
+            max_routing_fee_msat: 10000,
+            dev_flags: None,
+            filter: PolicyFilter::default(),
+        }
     }
 }