Struct RawClient 

pub struct RawClient<S>
where
    S: Read + Write,
{ /* private fields */ }

Instance of an Electrum client

A Client maintains a constant connection with an Electrum server and exposes methods to interact with it. It can also subscribe and receive notifictations from the server about new blocks or activity on a specific scriptPubKey.

The Client is modeled in such a way that allows the external caller to have full control over its functionality: no threads or tasks are spawned internally to monitor the state of the connection.

More transport methods can be used by manually creating an instance of this struct with an arbitray S type.

Implementations

impl RawClient<ElectrumPlaintextStream>

pub fn new<A: ToSocketAddrs>( socket_addrs: A, timeout: Option<Duration>, ) -> Result<Self, Error>

Creates a new plaintext client and tries to connect to socket_addr.

impl RawClient<ElectrumSslStream>

pub fn new_ssl<A: ToSocketAddrsDomain + Clone>( socket_addrs: A, validate_domain: bool, timeout: Option<Duration>, ) -> Result<Self, Error>

Creates a new SSL client and tries to connect to socket_addr. Optionally, if validate_domain is true, validate the server’s certificate.

pub fn new_ssl_from_stream<A: ToSocketAddrsDomain>( socket_addr: A, validate_domain: bool, tcp_stream: TcpStream, ) -> Result<Self, Error>

Create a new SSL client using an existing TcpStream

impl RawClient<ElectrumProxyStream>

pub fn new_proxy<T: ToTargetAddr>( target_addr: T, proxy: &Socks5Config, timeout: Option<Duration>, ) -> Result<Self, Error>

Creates a new socks client and tries to connect to target_addr using proxy_addr as a socks proxy server. The DNS resolution of target_addr, if required, is done through the proxy. This allows to specify, for instance, .onion addresses.

pub fn new_proxy_ssl<T: ToTargetAddr>( target_addr: T, validate_domain: bool, proxy: &Socks5Config, timeout: Option<Duration>, ) -> Result<RawClient<ElectrumSslStream>, Error>

Creates a new TLS client that connects to target_addr using proxy_addr as a socks proxy server. The DNS resolution of target_addr, if required, is done through the proxy. This allows to specify, for instance, .onion addresses.

Trait Implementations

impl<S> Debug for RawClient<S>

where S: Read + Write + Debug,

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<T: Read + Write> ElectrumApi for RawClient<T>

fn raw_call( &self, method_name: &str, params: impl IntoIterator<Item = Param>, ) -> Result<Value, Error>

Executes the requested API call returning the raw answer.

fn batch_call(&self, batch: &Batch) -> Result<Vec<Value>, Error>

Execute a queue of calls stored in a Batch struct. Returns Ok() only if all of the calls are successful. The order of the JSON Values returned reflects the order in which the calls were made on the Batch struct.

fn block_headers_subscribe_raw(&self) -> Result<RawHeaderNotification, Error>

Subscribes to notifications for new block headers, by sending a blockchain.headers.subscribe call and returns the current tip as raw bytes instead of deserializing them.

fn block_headers_pop_raw(&self) -> Result<Option<RawHeaderNotification>, Error>

Tries to pop one queued notification for a new block header that we might have received. Returns a the header in raw bytes if a notification is found in the queue, None otherwise.

fn block_header_raw(&self, height: usize) -> Result<Vec<u8>, Error>

Gets the raw bytes of block header for height height.

fn block_headers( &self, start_height: usize, count: usize, ) -> Result<GetHeadersRes, Error>

Tries to fetch count block headers starting from start_height.

fn estimate_fee(&self, number: usize) -> Result<f64, Error>

Estimates the fee required in Bitcoin per kilobyte to confirm a transaction in number blocks.

fn relay_fee(&self) -> Result<f64, Error>

Returns the minimum accepted fee by the server’s node in Bitcoin, not Satoshi.

fn script_subscribe( &self, script: &Script, ) -> Result<Option<ScriptStatus>, Error>

Subscribes to notifications for activity on a specific scriptPubKey.

fn batch_script_subscribe<'s, I>( &self, scripts: I, ) -> Result<Vec<Option<ScriptStatus>>, Error>

where I: IntoIterator + Clone, I::Item: Borrow<&'s Script>,

Batch version of script_subscribe.

fn script_unsubscribe(&self, script: &Script) -> Result<bool, Error>

Subscribes to notifications for activity on a specific scriptPubKey.

fn script_pop(&self, script: &Script) -> Result<Option<ScriptStatus>, Error>

Tries to pop one queued notification for a the requested script. Returns None if there are no items in the queue.

fn script_get_balance(&self, script: &Script) -> Result<GetBalanceRes, Error>

Returns the balance for a scriptPubKey.

fn batch_script_get_balance<'s, I>( &self, scripts: I, ) -> Result<Vec<GetBalanceRes>, Error>

where I: IntoIterator + Clone, I::Item: Borrow<&'s Script>,

Batch version of script_get_balance.

fn script_get_history( &self, script: &Script, ) -> Result<Vec<GetHistoryRes>, Error>

Returns the history for a scriptPubKey

fn batch_script_get_history<'s, I>( &self, scripts: I, ) -> Result<Vec<Vec<GetHistoryRes>>, Error>

where I: IntoIterator + Clone, I::Item: Borrow<&'s Script>,

Batch version of script_get_history.

fn script_list_unspent( &self, script: &Script, ) -> Result<Vec<ListUnspentRes>, Error>

Returns the list of unspent outputs for a scriptPubKey

fn batch_script_list_unspent<'s, I>( &self, scripts: I, ) -> Result<Vec<Vec<ListUnspentRes>>, Error>

where I: IntoIterator + Clone, I::Item: Borrow<&'s Script>,

Batch version of script_list_unspent.

fn transaction_get_raw(&self, txid: &Txid) -> Result<Vec<u8>, Error>

Gets the raw bytes of a transaction with txid. Returns an error if not found.

fn batch_transaction_get_raw<'t, I>( &self, txids: I, ) -> Result<Vec<Vec<u8>>, Error>

where I: IntoIterator + Clone, I::Item: Borrow<&'t Txid>,

Batch version of transaction_get_raw.

fn batch_block_header_raw<'s, I>( &self, heights: I, ) -> Result<Vec<Vec<u8>>, Error>

where I: IntoIterator + Clone, I::Item: Borrow<u32>,

Batch version of block_header_raw.

fn batch_estimate_fee<'s, I>(&self, numbers: I) -> Result<Vec<f64>, Error>

where I: IntoIterator + Clone, I::Item: Borrow<usize>,

Batch version of estimate_fee.

fn transaction_broadcast_raw(&self, raw_tx: &[u8]) -> Result<Txid, Error>

Broadcasts the raw bytes of a transaction to the network.

fn transaction_get_merkle( &self, txid: &Txid, height: usize, ) -> Result<GetMerkleRes, Error>

Returns the merkle path for the transaction txid confirmed in the block at height.

fn batch_transaction_get_merkle<I>( &self, txids_and_heights: I, ) -> Result<Vec<GetMerkleRes>, Error>

where I: IntoIterator + Clone, I::Item: Borrow<(Txid, usize)>,

Batch version of transaction_get_merkle.

fn txid_from_pos(&self, height: usize, tx_pos: usize) -> Result<Txid, Error>

Returns a transaction hash, given a block height and a tx_pos in the block.

fn txid_from_pos_with_merkle( &self, height: usize, tx_pos: usize, ) -> Result<TxidFromPosRes, Error>

Returns a transaction hash and a merkle path, given a block height and a tx_pos in the block.

fn server_features(&self) -> Result<ServerFeaturesRes, Error>

Returns the capabilities of the server.

fn ping(&self) -> Result<(), Error>

Pings the server. This method can also be used as a “dummy” call to trigger the processing of incoming block header or script notifications.

fn block_header(&self, height: usize) -> Result<Header, Error>

Gets the block header for height height.

fn block_headers_subscribe(&self) -> Result<HeaderNotification, Error>

Subscribes to notifications for new block headers, by sending a blockchain.headers.subscribe call.

fn block_headers_pop(&self) -> Result<Option<HeaderNotification>, Error>

Tries to pop one queued notification for a new block header that we might have received. Returns None if there are no items in the queue.

fn transaction_get(&self, txid: &Txid) -> Result<Transaction, Error>

Gets the transaction with txid. Returns an error if not found.

fn batch_transaction_get<'t, I>( &self, txids: I, ) -> Result<Vec<Transaction>, Error>

where I: IntoIterator + Clone, I::Item: Borrow<&'t Txid>,

Batch version of transaction_get.

fn batch_block_header<I>(&self, heights: I) -> Result<Vec<Header>, Error>

where I: IntoIterator + Clone, I::Item: Borrow<u32>,

Batch version of block_header.

fn transaction_broadcast(&self, tx: &Transaction) -> Result<Txid, Error>

Broadcasts a transaction to the network.

impl<S> From<S> for RawClient<S>

where S: Read + Write,

fn from(stream: S) -> Self

Converts to this type from the input type.