chore!: refactor spend struct

BREAKING CHANGE

sn_auditor/src/dag_db.rs

@@ -334,7 +334,7 @@ impl SpendDagDb {
     ) {
         let mut beta_tracking = self.beta_tracking.write().await;
         beta_tracking.processed_spends += 1;
-        beta_tracking.total_accumulated_utxo += spend.spend.spent_tx.outputs.len() as u64;
+        beta_tracking.total_accumulated_utxo += spend.spend.descendants.len() as u64;
         beta_tracking.total_on_track_utxo += utxos_for_further_track;
 
         // check for beta rewards reason
@@ -347,7 +347,7 @@ impl SpendDagDb {
 
         // add to local rewards
         let addr = spend.address();
-        let amount = spend.spend.amount;
+        let amount = spend.spend.amount();
         let beta_participants_read = self.beta_participants.read().await;
 
         if let Some(user_name) = beta_participants_read.get(&user_name_hash) {

sn_cli/src/bin/subcommands/wallet.rs

@@ -53,18 +53,22 @@ impl WalletApiHelper {
                         spend.spend.unique_pubkey,
                         address.to_hex()
                     );
-                    println!("reason {:?}, amount {}, inputs: {}, outputs: {}, royalties: {}, {:?} - {:?}",
-                            spend.spend.reason, spend.spend.amount, spend.spend.spent_tx.inputs.len(), spend.spend.spent_tx.outputs.len(),
-                            spend.spend.network_royalties.len(), spend.spend.spent_tx.inputs, spend.spend.spent_tx.outputs);
+                    println!(
+                        "reason {:?}, amount {}, inputs: {}, outputs: {}",
+                        spend.spend.reason,
+                        spend.spend.amount(),
+                        spend.spend.ancestors.len(),
+                        spend.spend.descendants.len()
+                    );
                     println!("Inputs in hex str:");
-                    for input in spend.spend.spent_tx.inputs.iter() {
-                        let address = SpendAddress::from_unique_pubkey(&input.unique_pubkey);
+                    for input in spend.spend.ancestors.iter() {
+                        let address = SpendAddress::from_unique_pubkey(input);
                         println!("Input spend {}", address.to_hex());
                     }
-                    println!("parent_tx inputs in hex str:");
-                    for input in spend.spend.parent_tx.inputs.iter() {
-                        let address = SpendAddress::from_unique_pubkey(&input.unique_pubkey);
-                        println!("parent_tx input spend {}", address.to_hex());
+                    println!("Outputs in hex str:");
+                    for (output, (amount, purpose)) in spend.spend.descendants.iter() {
+                        let address = SpendAddress::from_unique_pubkey(output);
+                        println!("Output {} with {amount} and {purpose:?}", address.to_hex());
                     }
                 }
                 println!("Available cash notes are:");
@@ -91,10 +95,9 @@ impl WalletApiHelper {
         let cash_notes = vec![cash_note.clone()];
 
         let spent_unique_pubkeys: BTreeSet<_> = cash_note
-            .parent_tx
-            .inputs
+            .parent_spends
             .iter()
-            .map(|input| input.unique_pubkey())
+            .map(|spend| spend.unique_pubkey())
             .collect();
 
         match self {

sn_cli/src/bin/subcommands/wallet/hot_wallet.rs

@@ -312,28 +312,15 @@ fn sign_transaction(tx: &str, root_dir: &Path, force: bool) -> Result<()> {
     let unsigned_transfer: UnsignedTransfer = rmp_serde::from_slice(&hex::decode(tx)?)?;
 
     println!("The unsigned transaction has been successfully decoded:");
-    let mut spent_tx = None;
     for (i, (spend, _)) in unsigned_transfer.spends.iter().enumerate() {
         println!("\nSpending input #{i}:");
         println!("\tKey: {}", spend.unique_pubkey.to_hex());
-        println!("\tAmount: {}", spend.amount);
-        if let Some(ref tx) = spent_tx {
-            if tx != &spend.spent_tx {
-                bail!("Transaction seems corrupted, not all Spends (inputs) refer to the same transaction");
-            }
-        } else {
-            spent_tx = Some(spend.spent_tx.clone());
-        }
-    }
+        println!("\tAmount: {}", spend.amount());
 
-    if let Some(ref tx) = spent_tx {
-        for (i, output) in tx.outputs.iter().enumerate() {
-            println!("\nOutput #{i}:");
-            println!("\tKey: {}", output.unique_pubkey.to_hex());
-            println!("\tAmount: {}", output.amount);
+        for (descendant, (amount, _purpose)) in spend.descendants.iter() {
+            println!("\tOutput Key: {}", descendant.to_hex());
+            println!("\tAmount: {amount}");
         }
-    } else {
-        bail!("Transaction is corrupted, no transaction information found.");
     }
 
     if !force {
@@ -352,7 +339,7 @@ fn sign_transaction(tx: &str, root_dir: &Path, force: bool) -> Result<()> {
     let signed_spends = wallet.sign(unsigned_transfer.spends);
 
     for signed_spend in signed_spends.iter() {
-        if let Err(err) = signed_spend.verify(signed_spend.spent_tx_hash()) {
+        if let Err(err) = signed_spend.verify() {
             bail!("Signature or transaction generated is invalid: {err:?}");
         }
     }

sn_cli/src/bin/subcommands/wallet/wo_wallet.rs

@@ -27,6 +27,12 @@ use std::{
 };
 use walkdir::WalkDir;
 
+type SignedTx = (
+    BTreeSet<SignedSpend>,
+    BTreeMap<UniquePubkey, (MainPubkey, DerivationIndex, NanoTokens)>,
+    UniquePubkey,
+);
+
 // Please do not remove the blank lines in these doc comments.
 // They are used for inserting line breaks when the help menu is rendered in the UI.
 #[derive(Parser, Debug)]
@@ -249,42 +255,24 @@ async fn broadcast_signed_spends(
     verify_store: bool,
     force: bool,
 ) -> Result<()> {
-    let (signed_spends, output_details, change_id): (
-        BTreeSet<SignedSpend>,
-        BTreeMap<UniquePubkey, (MainPubkey, DerivationIndex)>,
-        UniquePubkey,
-    ) = rmp_serde::from_slice(&hex::decode(signed_tx)?)?;
+    let (signed_spends, output_details, change_id): SignedTx =
+        rmp_serde::from_slice(&hex::decode(signed_tx)?)?;
 
     println!("The signed transaction has been successfully decoded:");
-    let mut transaction = None;
     for (i, signed_spend) in signed_spends.iter().enumerate() {
         println!("\nSpending input #{i}:");
         println!("\tKey: {}", signed_spend.unique_pubkey().to_hex());
         println!("\tAmount: {}", signed_spend.token());
-        let linked_tx = signed_spend.spent_tx();
-        if let Some(ref tx) = transaction {
-            if tx != &linked_tx {
-                bail!("Transaction seems corrupted, not all Spends (inputs) refer to the same transaction");
-            }
-        } else {
-            transaction = Some(linked_tx);
-        }
 
-        if let Err(err) = signed_spend.verify(signed_spend.spent_tx_hash()) {
+        if let Err(err) = signed_spend.verify() {
             bail!("Transaction is invalid: {err:?}");
         }
-    }
 
-    let tx = if let Some(tx) = transaction {
-        for (i, output) in tx.outputs.iter().enumerate() {
-            println!("\nOutput #{i}:");
-            println!("\tKey: {}", output.unique_pubkey.to_hex());
-            println!("\tAmount: {}", output.amount);
+        for (descendant, (amount, _purpose)) in signed_spend.spend.descendants.iter() {
+            println!("\tOutput Key: {}", descendant.to_hex());
+            println!("\tAmount: {amount}");
         }
-        tx
-    } else {
-        bail!("Transaction is corrupted, no transaction information found.");
-    };
+    }
 
     if !force {
         println!(
@@ -301,7 +289,7 @@ async fn broadcast_signed_spends(
     }
 
     println!("Broadcasting the transaction to the network...");
-    let transfer = OfflineTransfer::from_transaction(signed_spends, tx, change_id, output_details)?;
+    let transfer = OfflineTransfer::from_transaction(signed_spends, change_id, output_details)?;
 
     // return the first CashNote (assuming there is only one because we only sent to one recipient)
     let cash_note = match &transfer.cash_notes_for_recipient[..] {

sn_client/src/api.rs

@@ -1016,7 +1016,7 @@ impl Client {
         }
 
         // check spend
-        match signed_spend.verify(signed_spend.spent_tx_hash()) {
+        match signed_spend.verify() {
             Ok(()) => {
                 trace!("Verified signed spend got from network for {address:?}");
                 Ok(signed_spend.clone())