feat: esplora client get_tx

bitcoindevkit · Sep 26, 2024 · f3e80b1 · f3e80b1
1 parent bdb5174
commit f3e80b1
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Showing 3 changed files with 21 additions and 0 deletions.
diff --git a/bdk-ffi/src/bdk.udl b/bdk-ffi/src/bdk.udl
@@ -580,6 +580,9 @@ interface EsploraClient {
 
   [Throws=EsploraError]
   void broadcast([ByRef] Transaction transaction);
+
+  [Throws=EsploraError]
+  Transaction? get_tx(string txid);
 };
 
 // ------------------------------------------------------------------------

diff --git a/bdk-ffi/src/error.rs b/bdk-ffi/src/error.rs
@@ -7,6 +7,7 @@ use bdk_wallet::bitcoin::address::FromScriptError as BdkFromScriptError;
 use bdk_wallet::bitcoin::address::ParseError as BdkParseError;
 use bdk_wallet::bitcoin::bip32::Error as BdkBip32Error;
 use bdk_wallet::bitcoin::consensus::encode::Error as BdkEncodeError;
+use bdk_wallet::bitcoin::hashes::hex::HexToArrayError as BdkHexToArrayError;
 use bdk_wallet::bitcoin::hex::DisplayHex;
 use bdk_wallet::bitcoin::psbt::Error as BdkPsbtError;
 use bdk_wallet::bitcoin::psbt::ExtractTxError as BdkExtractTxError;
@@ -1013,6 +1014,14 @@ impl From<Box<BdkEsploraError>> for EsploraError {
     }
 }
 
+impl From<BdkHexToArrayError> for EsploraError {
+    fn from(error: BdkHexToArrayError) -> Self {
+        EsploraError::Parsing {
+            error_message: format!("Invalid txid: {}", error),
+        }
+    }
+}
+
 impl From<BdkExtractTxError> for ExtractTxError {
     fn from(error: BdkExtractTxError) -> Self {
         match error {

diff --git a/bdk-ffi/src/esplora.rs b/bdk-ffi/src/esplora.rs
@@ -13,7 +13,10 @@ use bdk_wallet::chain::spk_client::SyncResult as BdkSyncResult;
 use bdk_wallet::KeychainKind;
 use bdk_wallet::Update as BdkUpdate;
 
+use bitcoin_ffi::Txid;
+
 use std::collections::BTreeMap;
+use std::str::FromStr;
 use std::sync::Arc;
 
 pub struct EsploraClient(BlockingClient);
@@ -81,4 +84,10 @@ impl EsploraClient {
             .broadcast(&bdk_transaction)
             .map_err(EsploraError::from)
     }
+
+    pub fn get_tx(&self, txid: String) -> Result<Option<Arc<Transaction>>, EsploraError> {
+        let txid = Txid::from_str(&txid)?;
+        let tx_opt = self.0.get_tx(&txid)?;
+        Ok(tx_opt.map(|inner| Arc::new(Transaction::from(inner))))
+    }
 }