Merge #645: bitcoind: use the node client to make node requests

9255b5e bitcoind: use the node client to make node requests (Antoine Poinsot)

Pull request description:

  Props to Kevin for finding this rather significant bug. We should really be catching this type of bugs with code review..

ACKs for top commit:
  darosior:
    Ironical self-ACK 9255b5e

Tree-SHA512: da7b54e73201ce7f6003b7c939a576a33f6b3ea7234370b976dc9a6525cb3a18a10d160d60932b44e445fbb6057d07efde283fcfad1974c6734b5b4d2d0868de

src/bitcoin/d/mod.rs

@@ -429,7 +429,7 @@ impl BitcoinD {
  }
 
  fn make_node_request(&self, method: &str, params: &[Box<serde_json::value::RawValue>]) -> Json {
- self.make_request(&self.sendonly_client, method, params)
+ self.make_request(&self.node_client, method, params)
  .expect("We must not fail to make a request for more than a minute")
  }