Add vendor dir (#16) (#4)

* Add vendor dir so builds dont require dep

* Pin specific version go-eth version

vendor/github.com/btcsuite/btcd/params.go

@@ -0,0 +1,74 @@
+// Copyright (c) 2013-2016 The btcsuite developers
+// Use of this source code is governed by an ISC
+// license that can be found in the LICENSE file.
+
+package main
+
+import (
+	"github.com/btcsuite/btcd/chaincfg"
+	"github.com/btcsuite/btcd/wire"
+)
+
+// activeNetParams is a pointer to the parameters specific to the
+// currently active bitcoin network.
+var activeNetParams = &mainNetParams
+
+// params is used to group parameters for various networks such as the main
+// network and test networks.
+type params struct {
+	*chaincfg.Params
+	rpcPort string
+}
+
+// mainNetParams contains parameters specific to the main network
+// (wire.MainNet).  NOTE: The RPC port is intentionally different than the
+// reference implementation because btcd does not handle wallet requests.  The
+// separate wallet process listens on the well-known port and forwards requests
+// it does not handle on to btcd.  This approach allows the wallet process
+// to emulate the full reference implementation RPC API.
+var mainNetParams = params{
+	Params:  &chaincfg.MainNetParams,
+	rpcPort: "8334",
+}
+
+// regressionNetParams contains parameters specific to the regression test
+// network (wire.TestNet).  NOTE: The RPC port is intentionally different
+// than the reference implementation - see the mainNetParams comment for
+// details.
+var regressionNetParams = params{
+	Params:  &chaincfg.RegressionNetParams,
+	rpcPort: "18334",
+}
+
+// testNet3Params contains parameters specific to the test network (version 3)
+// (wire.TestNet3).  NOTE: The RPC port is intentionally different than the
+// reference implementation - see the mainNetParams comment for details.
+var testNet3Params = params{
+	Params:  &chaincfg.TestNet3Params,
+	rpcPort: "18334",
+}
+
+// simNetParams contains parameters specific to the simulation test network
+// (wire.SimNet).
+var simNetParams = params{
+	Params:  &chaincfg.SimNetParams,
+	rpcPort: "18556",
+}
+
+// netName returns the name used when referring to a bitcoin network.  At the
+// time of writing, btcd currently places blocks for testnet version 3 in the
+// data and log directory "testnet", which does not match the Name field of the
+// chaincfg parameters.  This function can be used to override this directory
+// name as "testnet" when the passed active network matches wire.TestNet3.
+//
+// A proper upgrade to move the data and log directories for this network to
+// "testnet3" is planned for the future, at which point this function can be
+// removed and the network parameter's name used instead.
+func netName(chainParams *params) string {
+	switch chainParams.Net {
+	case wire.TestNet3:
+		return "testnet"
+	default:
+		return chainParams.Name
+	}
+}