add LiquidClient::get_tx

Author: RCasatta

src/network/electrum.rs

@@ -252,6 +252,12 @@ impl LiquidClient for ElectrumLiquidClient {
         ))
     }
 
+    async fn get_tx(&self, txid: elements::Txid) -> Result<elements::Transaction, Error> {
+        let bitcoin_txid = bitcoin::Txid::from_raw_hash(txid.to_raw_hash().into());
+        let raw_tx = self.inner.transaction_get_raw(&bitcoin_txid)?;
+        Ok(elements::encode::deserialize(&raw_tx)?)
+    }
+
     async fn broadcast_tx(&self, signed_tx: &elements::Transaction) -> Result<String, Error> {
         let serialized = serialize(signed_tx);
         Ok(self

src/network/esplora.rs

@@ -264,6 +264,14 @@ impl LiquidClient for EsploraLiquidClient {
         Ok(elements::BlockHash::from_str(&text)?)
     }
 
+    async fn get_tx(&self, txid: elements::Txid) -> Result<elements::Transaction, Error> {
+        let url = format!("{}/tx/{txid}/raw", self.base_url);
+        let response = get_with_retry(&self.client, &url, self.timeout).await?;
+        let raw_tx = response.bytes().await?;
+
+        Ok(elements::encode::deserialize(&raw_tx)?)
+    }
+
     async fn broadcast_tx(&self, signed_tx: &elements::Transaction) -> Result<String, Error> {
         let url = format!("{}/tx", self.base_url);
         let tx_hex = signed_tx.serialize().to_hex();

src/network/mod.rs

@@ -156,6 +156,8 @@ pub trait LiquidClient: Send + Sync {
 
     async fn get_genesis_hash(&self) -> Result<elements::BlockHash, Error>;
 
+    async fn get_tx(&self, txid: elements::Txid) -> Result<elements::Transaction, Error>;
+
     async fn broadcast_tx(&self, signed_tx: &elements::Transaction) -> Result<String, Error>;
 
     fn network(&self) -> LiquidChain;