Downgrade rust-bitcoin and bitcoincore-rpc

Because of this issue:
rust-bitcoin/rust-bitcoincore-rpc#211

Cargo.toml

@@ -7,10 +7,10 @@ edition = "2018"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-bitcoincore-rpc = "0.14"
+bitcoincore-rpc = "0.13"
 #bitcoincore-rpc = {git="https://github.com/rust-bitcoin/rust-bitcoincore-rpc"}
 bitcoin-wallet = "1.1.0"
-bitcoin = "0.27"
+bitcoin = "0.26"
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 tokio = { version = "1.16.1", features = ["full"] }

src/directory_servers.rs

@@ -1,5 +1,5 @@
 //configure this with your own tor port
-pub const TOR_ADDR: &str = "127.0.0.1:9150";
+pub const TOR_ADDR: &str = "127.0.0.1:9050";
 
 use bitcoin::Network;
 

src/lib.rs

@@ -1,8 +1,9 @@
 const RPC_CREDENTIALS: Option<(&str, &str)> = Some(("regtestrpcuser", "regtestrpcpass"));
 //None; // use Bitcoin Core cookie-based authentication
 
-const RPC_HOSTPORT: &str = "localhost:18443";
 const RPC_WALLET: &str = "teleport";
+const RPC_HOSTPORT: &str = "localhost:18443";
+//default ports: mainnet=8332, testnet=18332, regtest=18443, signet=38332
 
 extern crate bitcoin;
 extern crate bitcoin_wallet;
@@ -57,7 +58,7 @@ pub fn get_bitcoin_rpc() -> Result<Client, Error> {
         }
     };
     let rpc = Client::new(
-        &format!("http://{}/wallet/{}", RPC_HOSTPORT, RPC_WALLET),
+        format!("http://{}/wallet/{}", RPC_HOSTPORT, RPC_WALLET),
         auth,
     )?;
     rpc.get_blockchain_info()?;