Refactor TransactionDetails to include confirmation_time (#190)

CHANGELOG.md

@@ -12,6 +12,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   - Remove `generate_extended_key`, returned ExtendedKeyInfo [#154]
   - Remove `restore_extended_key`, returned ExtendedKeyInfo [#154]
   - Remove dictionary `ExtendedKeyInfo {mnenonic, xprv, fingerprint}` [#154]
+  - Remove interface `Transaction` [#190]
+  - Changed `Wallet` interface `list_transaction()` to return array of `TransactionDetails` [#190]
 - APIs Added [#154]
   - `generate_mnemonic()`, returns string mnemonic
   - `interface DescriptorSecretKey`
@@ -26,6 +28,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
     - `as_string()` returns DescriptorPublicKey as String
   - Add to `interface Blockchain` the `get_height()` and `get_block_hash()` methods [#184]
   - Add to `interface TxBuilder`  the `set_recipients(recipient: Vec<AddressAmount>)` method [#186]
+  - Add to `dictionary TransactionDetails` the `confirmation_time` field [#190]
 - Interfaces Added [#154]
   - `DescriptorSecretKey`
   - `DescriptorPublicKey`
@@ -46,6 +49,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 [#158]: https://github.com/bitcoindevkit/bdk-ffi/pull/158
 [#164]: https://github.com/bitcoindevkit/bdk-ffi/pull/164
 [#169]: https://github.com/bitcoindevkit/bdk-ffi/pull/169
+[#190]: https://github.com/bitcoindevkit/bdk-ffi/pull/190
 
 ## [v0.7.0]
 - Update BDK to version 0.19.0

src/bdk.udl

@@ -85,6 +85,7 @@ dictionary TransactionDetails {
   u64 received;
   u64 sent;
   string txid;
+  BlockTime? confirmation_time;
 };
 
 dictionary BlockTime {
@@ -92,12 +93,6 @@ dictionary BlockTime {
   u64 timestamp;
 };
 
-[Enum]
-interface Transaction {
-  Unconfirmed(TransactionDetails details);
-  Confirmed(TransactionDetails details, BlockTime confirmation);
-};
-
 enum WordCount {
   "Words12",
   "Words15",
@@ -187,7 +182,7 @@ interface Wallet {
   boolean sign([ByRef] PartiallySignedBitcoinTransaction psbt);
 
   [Throws=BdkError]
-  sequence<Transaction> list_transactions();
+  sequence<TransactionDetails> list_transactions();
 
   Network network();
 

src/lib.rs

@@ -155,23 +155,9 @@ pub struct TransactionDetails {
     /// Server backend, but it could be None with a Bitcoin RPC node without txindex that receive
     /// funds while offline.
     pub fee: Option<u64>,
-}
-
-/// A transaction, either of type Confirmed or Unconfirmed
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub enum Transaction {
-    /// A transaction that has yet to be included in a block
-    Unconfirmed {
-        /// The details of wallet transaction.
-        details: TransactionDetails,
-    },
-    /// A transaction that has been mined and is part of a block
-    Confirmed {
-        /// The details of wallet transaction
-        details: TransactionDetails,
-        /// Timestamp and block height of the block in which this transaction was mined
-        confirmation: BlockTime,
-    },
+    /// If the transaction is confirmed, contains height and timestamp of the block containing the
+    /// transaction, unconfirmed transaction contains `None`.
+    pub confirmation_time: Option<BlockTime>,
 }
 
 impl From<&bdk::TransactionDetails> for TransactionDetails {
@@ -181,20 +167,7 @@ impl From<&bdk::TransactionDetails> for TransactionDetails {
             txid: x.txid.to_string(),
             received: x.received,
             sent: x.sent,
-        }
-    }
-}
-
-impl From<&bdk::TransactionDetails> for Transaction {
-    fn from(x: &bdk::TransactionDetails) -> Transaction {
-        match x.confirmation_time.clone() {
-            Some(block_time) => Transaction::Confirmed {
-                details: TransactionDetails::from(x),
-                confirmation: block_time,
-            },
-            None => Transaction::Unconfirmed {
-                details: TransactionDetails::from(x),
-            },
+            confirmation_time: x.confirmation_time.clone(),
         }
     }
 }
@@ -440,9 +413,12 @@ impl Wallet {
     }
 
     /// Return the list of transactions made and received by the wallet. Note that this method only operate on the internal database, which first needs to be [Wallet.sync] manually.
-    fn list_transactions(&self) -> Result<Vec<Transaction>, Error> {
-        let transactions = self.get_wallet().list_transactions(true)?;
-        Ok(transactions.iter().map(Transaction::from).collect())
+    fn list_transactions(&self) -> Result<Vec<TransactionDetails>, Error> {
+        let transaction_details = self.get_wallet().list_transactions(true)?;
+        Ok(transaction_details
+            .iter()
+            .map(TransactionDetails::from)
+            .collect())
     }
 
     /// Return the list of unspent outputs of this wallet. Note that this method only operates on the internal database,