Transaction eras (#758)

* Initial groundwork

* A mess.

* Integrate

* Fix tests

* Unit tests

* Tests for unchecked_extrisnic

* fix tab

* Improve binary format.

* fix tests

* Rename extrinsic-pool -> transaction-pool

Closes #770

* Implement unimplemented.

* typo

substrate/core/rpc/src/author/error.rs

@@ -17,14 +17,14 @@
 //! Authoring RPC module errors.
 
 use client;
-use extrinsic_pool;
+use transaction_pool;
 use rpc;
 
 use errors;
 
 error_chain! {
 	links {
-		Pool(extrinsic_pool::Error, extrinsic_pool::ErrorKind) #[doc = "Pool error"];
+		Pool(transaction_pool::Error, transaction_pool::ErrorKind) #[doc = "Pool error"];
 		Client(client::error::Error, client::error::ErrorKind) #[doc = "Client error"];
 	}
 	errors {

substrate/core/rpc/src/author/mod.rs

@@ -20,7 +20,7 @@ use std::sync::Arc;
 
 use client::{self, Client};
 use codec::Decode;
-use extrinsic_pool::{
+use transaction_pool::{
 	Pool,
 	IntoPoolError,
 	ChainApi as PoolChainApi,

substrate/core/rpc/src/author/tests.rs

@@ -18,7 +18,7 @@ use super::*;
 
 use std::{sync::Arc, result::Result};
 use codec::Encode;
-use extrinsic_pool::{VerifiedTransaction, scoring, Transaction, ChainApi, Error as PoolError,
+use transaction_pool::{VerifiedTransaction, scoring, Transaction, ChainApi, Error as PoolError,
 	Readiness, ExtrinsicFor, VerifiedFor};
 use test_client::runtime::{Block, Extrinsic, Transfer};
 use test_client;

substrate/core/rpc/src/lib.rs

@@ -25,7 +25,7 @@ extern crate jsonrpc_pubsub;
 extern crate parking_lot;
 extern crate parity_codec as codec;
 extern crate substrate_client as client;
-extern crate substrate_extrinsic_pool as extrinsic_pool;
+extern crate substrate_transaction_pool as transaction_pool;
 extern crate substrate_primitives as primitives;
 extern crate sr_primitives as runtime_primitives;
 extern crate substrate_state_machine as state_machine;