Reproducing examples for the unexpected transfer history bug

tests/transfers.rs

@@ -767,3 +767,133 @@ fn tapret_wlt_receiving_opret() {
         1000,
     );
 }
+
+#[test]
+fn check_fungible_history() {
+    initialize();
+
+    let mut wlt_1 = get_wallet(&DescriptorType::Wpkh);
+    let mut wlt_2 = get_wallet(&DescriptorType::Wpkh);
+
+    println!("Wallets created: wlt_1 and wlt_2");
+
+    let amount = 100000;
+    println!("Initial amount: {}", amount);
+
+    let (contract_id, iface_type_name) = wlt_1.issue_nia(amount, wlt_1.close_method(), None);
+    println!(
+        "Contract issued - ID: {:?}, Interface type: {}",
+        contract_id, iface_type_name
+    );
+
+    let initial_height = get_height();
+    println!("Initial height: {}", initial_height);
+
+    let history = wlt_1.fungible_history(contract_id, iface_type_name.clone());
+    TestWallet::debug_fungible_history(&history);
+    assert_eq!(history.len(), 0);
+
+    let amount_transfer = 200;
+    println!("Transfer amount: {}", amount_transfer);
+
+    let invoice = wlt_2.invoice(
+        contract_id,
+        &iface_type_name,
+        amount_transfer,
+        wlt_2.close_method(),
+        InvoiceType::Witness,
+    );
+    println!("Invoice created: {:?}", invoice);
+
+    let (consignment, _) = wlt_1.transfer(invoice.clone(), None, Some(1234));
+
+    let height = get_height();
+    println!("Height: {}", height);
+
+    wlt_2.accept_transfer(consignment);
+
+    mine(false);
+    wlt_1.sync();
+    wlt_2.sync();
+
+    let height = get_height();
+    println!("Height: {}", height);
+
+    let history = wlt_1.fungible_history(contract_id, iface_type_name.clone());
+    println!("History 1:");
+    TestWallet::debug_fungible_history(&history);
+
+    assert_eq!(
+        history.values().next().unwrap().state_change,
+        AmountChange::Dec(Amount::from(200_u64))
+    );
+
+    println!("Balance 1:");
+    wlt_1.debug_logs(contract_id, &iface_type_name.clone());
+
+    let history = wlt_2.fungible_history(contract_id, iface_type_name.clone());
+    println!("History 2:");
+    TestWallet::debug_fungible_history(&history);
+    assert_eq!(
+        history.values().next().unwrap().state_change,
+        AmountChange::Inc(Amount::from(200_u64))
+    );
+
+    println!("Balance 2:");
+    wlt_2.debug_logs(contract_id, &iface_type_name.clone());
+}
+
+#[test]
+fn send_to_oneself() {
+    println!("Starting test: self_transfer_example");
+    initialize();
+
+    let mut wlt = get_wallet(&DescriptorType::Wpkh);
+    println!("Wallet created: wlt");
+
+    let initial_amount = 100000;
+    println!("Initial amount: {}", initial_amount);
+
+    let (contract_id, iface_type_name) = wlt.issue_nia(initial_amount, wlt.close_method(), None);
+    println!(
+        "Contract issued - ID: {:?}, Interface type: {}",
+        contract_id, iface_type_name
+    );
+
+    let history = wlt.fungible_history(contract_id, iface_type_name.clone());
+
+    TestWallet::debug_fungible_history(&history);
+
+    let amount_transfer = 300; // Amount to transfer to self
+    println!("Transfer amount: {}", amount_transfer);
+
+    let invoice = wlt.invoice(
+        contract_id,
+        &iface_type_name,
+        amount_transfer,
+        wlt.close_method(),
+        InvoiceType::Witness,
+    );
+    println!("Invoice created: {:?}", invoice);
+
+    let (consignment, _) = wlt.transfer(invoice.clone(), None, None);
+
+    let height = get_height();
+    println!("Height: {}", height);
+
+    wlt.accept_transfer(consignment); // Accepting transfer to self
+
+    mine(false);
+    wlt.sync();
+
+    let height = get_height();
+    println!("Height after sync: {}", height);
+
+    let history = wlt.fungible_history(contract_id, iface_type_name.clone());
+    println!("Final History:");
+    TestWallet::debug_fungible_history(&history);
+    assert!(!history.is_empty());
+
+    println!("Balance:");
+    wlt.debug_logs(contract_id, &iface_type_name.clone());
+}

tests/utils/helpers.rs

@@ -835,6 +835,14 @@ impl TestWallet {
             .collect()
     }
 
+    pub fn fungible_history(
+        &self,
+        contract_id: ContractId,
+        iface: impl Into<IfaceRef>,
+    ) -> HashMap<XWitnessId, IfaceOp<AmountChange>> {
+        self.wallet.fungible_history(contract_id, iface).unwrap()
+    }
+
     pub fn debug_logs(&self, contract_id: ContractId, iface_type_name: &TypeName) {
         let contract = self.contract_iface(contract_id, iface_type_name);
 
@@ -890,6 +898,34 @@ impl TestWallet {
         println!("\nWallet total balance: {} ṩ", bp_runtime.balance());
     }
 
+    pub fn debug_fungible_history(history: &HashMap<XWitnessId, IfaceOp<AmountChange>>) {
+        println!("Amount\tCounterparty\tWitness Id");
+        for (id, op) in history {
+            let (amount, cparty, more) = match op.state_change {
+                AmountChange::Dec(amt) => (
+                    format!("-{}", amt.value()),
+                    op.beneficiaries.first(),
+                    op.beneficiaries.len().saturating_sub(1),
+                ),
+                AmountChange::Zero => continue,
+                AmountChange::Inc(amt) => (
+                    format!("{}", amt.value()),
+                    op.payers.first(),
+                    op.payers.len().saturating_sub(1),
+                ),
+            };
+            let more = if more > 0 {
+                format!(" (+{more})")
+            } else {
+                s!("")
+            };
+            let cparty = cparty
+                .map(XOutputSeal::to_string)
+                .unwrap_or_else(|| s!("none"));
+            println!("{},{}\t{}{}\t{}", amount, op.state_change, cparty, more, id);
+        }
+    }
+
     pub fn send(
         &mut self,
         recv_wlt: &mut TestWallet,

tests/utils/mod.rs

@@ -54,14 +54,16 @@ pub use psbt::{
 pub use psrgbt::{RgbExt, RgbInExt, RgbPsbt, TxParams};
 pub use rand::RngCore;
 pub use rgb::{
+    interface::{AmountChange, IfaceOp, IfaceRef},
     invoice::Pay2Vout,
     persistence::{ContractStateRead, MemContract, MemContractState, Stock},
     resolvers::AnyResolver,
     stl::ContractTerms,
     validation::{Failure, ResolveWitness, Scripts, Validity, WitnessResolverError},
     vm::{WitnessOrd, WitnessPos, XWitnessTx},
     BlindingFactor, DescriptorRgb, GenesisSeal, GraphSeal, Identity, RgbDescr, RgbKeychain,
-    RgbWallet, TapretKey, TransferParams, Transition, WalletProvider, XOutpoint, XWitnessId,
+    RgbWallet, TapretKey, TransferParams, Transition, WalletProvider, XOutpoint, XOutputSeal,
+    XWitnessId,
 };
 pub use rgbstd::{
     containers::{BuilderSeal, ConsignmentExt, Fascia, FileContent, Kit, Transfer, ValidKit},