feat: Support XLS-39 Clawback amendment in xrpl-rust

CHANGELOG.md

@@ -13,6 +13,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ## [[Unreleased]]
 
 ### Added
+- Support for `XLS-39` Clawback amendment (Amendment ID: 56B241D7A43D40354D02A9DC4C8DF5C7A1F930D92A9035C4E12291B3CA3E1C2B)
 
 ### Fixed
 

src/asynch/clients/async_client.rs

@@ -17,7 +17,7 @@ pub trait XRPLAsyncClient: XRPLClient {
         let server_state = self.request(ServerState::new(None).into()).await?;
         let server_state: ServerStateResult = server_state.try_into()?;
         let common_fields = CommonFields {
-            network_id: None, // TODO Server state has no network ID.
+            network_id: server_state.state.network_id,
             build_version: Some(server_state.state.build_version),
         };
 

src/models/exceptions.rs

@@ -10,9 +10,9 @@ use crate::XRPLSerdeJsonError;
 use super::{
     results::exceptions::XRPLResultException,
     transactions::exceptions::{
-        XRPLAccountSetException, XRPLNFTokenCancelOfferException, XRPLNFTokenCreateOfferException,
-        XRPLPaymentException, XRPLSignerListSetException, XRPLTransactionException,
-        XRPLXChainClaimException, XRPLXChainCreateBridgeException,
+        XRPLAccountSetException, XRPLClawbackException, XRPLNFTokenCancelOfferException,
+        XRPLNFTokenCreateOfferException, XRPLPaymentException, XRPLSignerListSetException,
+        XRPLTransactionException, XRPLXChainClaimException, XRPLXChainCreateBridgeException,
         XRPLXChainCreateClaimIDException, XRPLXChainModifyBridgeException,
     },
 };
@@ -152,3 +152,9 @@ impl From<XRPLXChainModifyBridgeException> for XRPLModelException {
         XRPLModelException::XRPLTransactionError(error.into())
     }
 }
+
+impl From<XRPLClawbackException> for XRPLModelException {
+    fn from(error: XRPLClawbackException) -> Self {
+        XRPLModelException::XRPLTransactionError(error.into())
+    }
+}

src/models/results/server_state.rs

@@ -40,6 +40,8 @@ pub struct State<'a> {
     pub peer_disconnects: Option<Cow<'a, str>>,
     /// Count of resource-related peer disconnections
     pub peer_disconnects_resources: Option<Cow<'a, str>>,
+    /// The network ID of the server's network
+    pub network_id: Option<u32>,
     /// Number of other rippled servers currently connected
     pub peers: Option<u32>,
     /// Public key used for peer-to-peer communications

src/models/transactions/account_set.rs

@@ -65,16 +65,18 @@ pub enum AccountSetFlag {
     /// on this account's behalf. Specify the authorized account in the
     /// NFTokenMinter field of the AccountRoot object.
     AsfAuthorizedNFTokenMinter = 10,
+    /// Disallow incoming NFToken offers from other accounts.
+    AsfDisallowIncomingNFTokenOffer = 12,
     /// Disallow incoming Checks from other accounts.
-    AsfDisallowIncomingCheck = 11,
+    AsfDisallowIncomingCheck = 13,
     /// Disallow incoming Payment Channels from other accounts.
-    AsfDisallowIncomingPayChan = 12,
+    AsfDisallowIncomingPayChan = 14,
     /// Disallow incoming trust lines from other accounts.
-    AsfDisallowIncomingTrustline = 13,
-    /// Disallow incoming NFToken offers from other accounts.
-    AsfDisallowIncomingNFTokenOffer = 14,
-    /// Allow other accounts to mint NFTokens with this account set as the issuer.
-    AsfAllowTrustLineClawback = 15,
+    AsfDisallowIncomingTrustline = 15,
+    /// Allow clawback of tokens issued by this account.
+    /// This flag can only be set if the account has no trust lines.
+    /// Once set, it cannot be unset.
+    AsfAllowTrustLineClawback = 16,
 }
 
 /// An AccountSet transaction modifies the properties of an