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use util::{Arc, Mutex, RwLock, H256, Address};
use ethkey::Signature;
use account_provider::{self, AccountProvider};
pub struct EngineSigner {
account_provider: Mutex<Arc<AccountProvider>>,
address: RwLock<Address>,
password: RwLock<Option<String>>,
}
impl Default for EngineSigner {
fn default() -> Self {
EngineSigner {
account_provider: Mutex::new(Arc::new(AccountProvider::transient_provider())),
address: Default::default(),
password: Default::default(),
}
}
}
impl EngineSigner {
pub fn set(&self, ap: Arc<AccountProvider>, address: Address, password: String) {
*self.account_provider.lock() = ap;
*self.address.write() = address;
*self.password.write() = Some(password);
debug!(target: "poa", "Setting Engine signer to {}", address);
}
pub fn sign(&self, hash: H256) -> Result<Signature, account_provider::SignError> {
self.account_provider.lock().sign(*self.address.read(), self.password.read().clone(), hash)
}
pub fn address(&self) -> Address {
self.address.read().clone()
}
pub fn is_address(&self, address: &Address) -> bool {
*self.address.read() == *address
}
}