Properly handle the Signet network

Closes #62

src/descriptor/dsl.rs

@@ -686,7 +686,7 @@ mod test {
 
     use crate::descriptor::{DescriptorError, DescriptorMeta};
     use crate::keys::{DescriptorKey, ToDescriptorKey, ValidNetworks};
-    use bitcoin::network::constants::Network::{Bitcoin, Regtest, Testnet};
+    use bitcoin::network::constants::Network::{Bitcoin, Regtest, Signet, Testnet};
     use bitcoin::util::bip32;
     use bitcoin::PrivateKey;
 
@@ -971,7 +971,10 @@ mod test {
         let desc_key = (xprv, path.clone()).to_descriptor_key().unwrap();
 
         let (_desc, _key_map, valid_networks) = descriptor!(pkh(desc_key)).unwrap();
-        assert_eq!(valid_networks, [Testnet, Regtest].iter().cloned().collect());
+        assert_eq!(
+            valid_networks,
+            [Testnet, Regtest, Signet].iter().cloned().collect()
+        );
 
         let xprv = bip32::ExtendedPrivKey::from_str("xprv9s21ZrQH143K3QTDL4LXw2F7HEK3wJUD2nW2nRk4stbPy6cq3jPPqjiChkVvvNKmPGJxWUtg6LnF5kejMRNNU3TGtRBeJgk33yuGBxrMPHi").unwrap();
         let path = bip32::DerivationPath::from_str("m/10/20/30/40").unwrap();

src/keys/bip39.rs

@@ -149,7 +149,7 @@ mod test {
         let (desc, keys, networks) = crate::descriptor!(wpkh(key)).unwrap();
         assert_eq!(desc.to_string(), "wpkh([be83839f/44'/0'/0']xpub6DCQ1YcqvZtSwGWMrwHELPehjWV3f2MGZ69yBADTxFEUAoLwb5Mp5GniQK6tTp3AgbngVz9zEFbBJUPVnkG7LFYt8QMTfbrNqs6FNEwAPKA/0/*)#0r8v4nkv");
         assert_eq!(keys.len(), 1);
-        assert_eq!(networks.len(), 3);
+        assert_eq!(networks.len(), 4);
     }
 
     #[test]
@@ -163,7 +163,7 @@ mod test {
         let (desc, keys, networks) = crate::descriptor!(wpkh(key)).unwrap();
         assert_eq!(desc.to_string(), "wpkh([8f6cb80c/44'/0'/0']xpub6DWYS8bbihFevy29M4cbw4ZR3P5E12jB8R88gBDWCTCNpYiDHhYWNywrCF9VZQYagzPmsZpxXpytzSoxynyeFr4ZyzheVjnpLKuse4fiwZw/0/*)#h0j0tg5m");
         assert_eq!(keys.len(), 1);
-        assert_eq!(networks.len(), 3);
+        assert_eq!(networks.len(), 4);
     }
 
     #[test]

src/keys/mod.rs

@@ -55,9 +55,14 @@ pub type ValidNetworks = HashSet<Network>;
 
 /// Create a set containing mainnet, testnet and regtest
 pub fn any_network() -> ValidNetworks {
-    vec![Network::Bitcoin, Network::Testnet, Network::Regtest]
-        .into_iter()
-        .collect()
+    vec![
+        Network::Bitcoin,
+        Network::Testnet,
+        Network::Regtest,
+        Network::Signet,
+    ]
+    .into_iter()
+    .collect()
 }
 /// Create a set only containing mainnet
 pub fn mainnet_network() -> ValidNetworks {
@@ -65,7 +70,7 @@ pub fn mainnet_network() -> ValidNetworks {
 }
 /// Create a set containing testnet and regtest
 pub fn test_networks() -> ValidNetworks {
-    vec![Network::Testnet, Network::Regtest]
+    vec![Network::Testnet, Network::Regtest, Network::Signet]
         .into_iter()
         .collect()
 }