electrum: add validate_domain to ElectrumBlockchainConfig

src/blockchain/electrum.rs

@@ -312,6 +312,8 @@ pub struct ElectrumBlockchainConfig {
     pub timeout: Option<u8>,
     /// Stop searching addresses for transactions after finding an unused gap of this length
     pub stop_gap: usize,
+    /// Validate the domain when using SSL
+    pub validate_domain: bool,
 }
 
 impl ConfigurableBlockchain for ElectrumBlockchain {
@@ -323,6 +325,7 @@ impl ConfigurableBlockchain for ElectrumBlockchain {
             .retry(config.retry)
             .timeout(config.timeout)?
             .socks5(socks5)?
+            .validate_domain(config.validate_domain)
             .build();
 
         Ok(ElectrumBlockchain {
@@ -417,6 +420,7 @@ mod test {
                     retry: 0,
                     timeout: None,
                     stop_gap: stop_gap,
+                    validate_domain: true,
                 })
             }
         }