Add Wallet.listTransactions()

src/wallet/mod.rs

@@ -15,9 +15,11 @@ use database::DatabaseConfig;
 
 use crate::error::FfiError;
 use crate::types::{FfiResult, FfiResultVoid};
+use crate::wallet::transaction::{LocalUtxo, TransactionDetails};
 
 mod blockchain;
 mod database;
+mod transaction;
 
 // create a new wallet
 
@@ -145,64 +147,27 @@ fn balance(opaque_wallet: &OpaqueWallet) -> FfiResult<u64> {
     }
 }
 
-// Non-opaque returned values
+#[ffi_export]
+fn list_transactions(opaque_wallet: &OpaqueWallet) -> FfiResult<repr_c::Vec<TransactionDetails>> {
+    let transactions_result = opaque_wallet.raw.list_transactions(false);
 
-#[derive_ReprC]
-#[repr(C)]
-#[derive(Debug, Clone)]
-pub struct OutPoint {
-    /// The referenced transaction's txid, as hex string
-    pub txid: char_p_boxed,
-    /// The index of the referenced output in its transaction's vout
-    pub vout: u32,
-}
-
-impl From<&bdk::bitcoin::OutPoint> for OutPoint {
-    fn from(op: &bdk::bitcoin::OutPoint) -> Self {
-        OutPoint {
-            txid: char_p_boxed::try_from(op.txid.to_string()).unwrap(),
-            vout: op.vout,
-        }
+    match transactions_result {
+        Ok(v) => FfiResult {
+            ok: {
+                let ve: Vec<TransactionDetails> =
+                    v.iter().map(|t| TransactionDetails::from(t)).collect();
+                repr_c::Vec::from(ve)
+            },
+            err: FfiError::None,
+        },
+        Err(e) => FfiResult {
+            ok: repr_c::Vec::EMPTY,
+            err: FfiError::from(&e),
+        },
     }
 }
 
-#[derive_ReprC]
-#[repr(C)]
-#[derive(Debug, Clone)]
-pub struct TxOut {
-    /// The value of the output, in satoshis
-    pub value: u64,
-    /// The script which must satisfy for the output to be spent, as hex string
-    pub script_pubkey: char_p_boxed,
-}
-
-impl From<&bdk::bitcoin::TxOut> for TxOut {
-    fn from(to: &bdk::bitcoin::TxOut) -> Self {
-        TxOut {
-            value: to.value,
-            script_pubkey: char_p_boxed::try_from(to.script_pubkey.to_string()).unwrap(),
-        }
-    }
-}
-
-#[derive_ReprC]
-#[repr(C)]
-#[derive(Debug, Clone)]
-pub struct LocalUtxo {
-    /// Reference to a transaction output
-    pub outpoint: OutPoint,
-    /// Transaction output
-    pub txout: TxOut,
-    /// Type of keychain, as short 0 for "external" or 1 for "internal"
-    pub keychain: u16,
-}
-
-impl From<&bdk::LocalUtxo> for LocalUtxo {
-    fn from(lu: &bdk::LocalUtxo) -> Self {
-        LocalUtxo {
-            outpoint: OutPoint::from(&lu.outpoint),
-            txout: TxOut::from(&lu.txout),
-            keychain: lu.keychain as u16,
-        }
-    }
+#[ffi_export]
+fn free_vectxdetails_result(txdetails_result: FfiResult<repr_c::Vec<TransactionDetails>>) {
+    drop(txdetails_result)
 }

src/wallet/transaction.rs

@@ -0,0 +1,99 @@
+use std::convert::TryFrom;
+
+use ::safer_ffi::prelude::*;
+use safer_ffi::char_p::char_p_boxed;
+
+// Non-opaque returned values
+
+#[derive_ReprC]
+#[repr(C)]
+#[derive(Debug, Clone)]
+pub struct TransactionDetails {
+    // TODO Optional transaction
+    // pub transaction: Option<Transaction>,
+    /// Transaction id
+    pub txid: char_p_boxed,
+    /// Timestamp
+    pub timestamp: u64,
+    /// Received value (sats)
+    pub received: u64,
+    /// Sent value (sats)
+    pub sent: u64,
+    /// Fee value (sats)
+    pub fees: u64,
+    /// Confirmed in block height, `None` means unconfirmed
+    pub height: i32,
+}
+
+impl From<&bdk::TransactionDetails> for TransactionDetails {
+    fn from(op: &bdk::TransactionDetails) -> Self {
+        TransactionDetails {
+            txid: char_p_boxed::try_from(op.txid.to_string()).unwrap(),
+            timestamp: op.timestamp,
+            received: op.received,
+            sent: op.sent,
+            fees: op.fees,
+            height: op.height.map(|h| h as i32).unwrap_or(-1),
+        }
+    }
+}
+
+#[derive_ReprC]
+#[repr(C)]
+#[derive(Debug, Clone)]
+pub struct OutPoint {
+    /// The referenced transaction's txid, as hex string
+    pub txid: char_p_boxed,
+    /// The index of the referenced output in its transaction's vout
+    pub vout: u32,
+}
+
+impl From<&bdk::bitcoin::OutPoint> for OutPoint {
+    fn from(op: &bdk::bitcoin::OutPoint) -> Self {
+        OutPoint {
+            txid: char_p_boxed::try_from(op.txid.to_string()).unwrap(),
+            vout: op.vout,
+        }
+    }
+}
+
+#[derive_ReprC]
+#[repr(C)]
+#[derive(Debug, Clone)]
+pub struct TxOut {
+    /// The value of the output, in satoshis
+    pub value: u64,
+    /// The script which must satisfy for the output to be spent, as hex string
+    pub script_pubkey: char_p_boxed,
+}
+
+impl From<&bdk::bitcoin::TxOut> for TxOut {
+    fn from(to: &bdk::bitcoin::TxOut) -> Self {
+        TxOut {
+            value: to.value,
+            script_pubkey: char_p_boxed::try_from(to.script_pubkey.to_string()).unwrap(),
+        }
+    }
+}
+
+#[derive_ReprC]
+#[repr(C)]
+#[derive(Debug, Clone)]
+pub struct LocalUtxo {
+    /// Reference to a transaction output
+    pub outpoint: OutPoint,
+    /// Transaction output
+    pub txout: TxOut,
+    /// Type of keychain, as short 0 for "external" or 1 for "internal"
+    pub keychain: u16,
+}
+
+impl From<&bdk::LocalUtxo> for LocalUtxo {
+    fn from(lu: &bdk::LocalUtxo) -> Self {
+        LocalUtxo {
+            outpoint: OutPoint::from(&lu.outpoint),
+            txout: TxOut::from(&lu.txout),
+            keychain: lu.keychain as u16,
+        }
+    }
+}