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An alternative full node implementation of LBRY's blockchain written in Go (golang)
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Owain G. Ainsworth d3a7f15a87 Alter the way peers queue outbound messages somewhat. 
Instead of one thread that queues and writes, we move to a two queue
model. The queueHandler muxes all the sources of outgoung packets and
drips them to the actual sender. This is done so that a large send
doesnt' allow the channels to fillup and cause blockmanager and server
to block, which delays other peers.

Most messages we handle as is. However, for getdata we do some manual
limiting and pipelining, we queue up three and then we load the next
into memory, not sending it until the otherp ackets have been sent. We
may want to change this later to queue the packet *then* wait so that we
don't completely drain the pipe.

A few misc tweaks to avoid deadlocking by ensuring the all channels will
always drain. mostly this relates to ensuring that we know no more data
will be coming before we drain the channel, and not queueing after we
are marked to disconnect.

Discussed heavily with drahn@ and davec@.
2013-12-23 23:51:52 +00:00
release Add version to btcctl. 2013-11-19 20:07:31 -06:00
util fix getrawtransaction verbose to be bool. 2013-12-16 18:14:51 +00:00
.gitignore Convert .gitignore line endings to unix. 2013-08-07 15:00:20 -05:00
.travis.yml Have TravisCI build against both latest release and tip 2013-12-08 22:11:54 -05:00
addrmanager.go handle .onion addresses in deserialising addrmanager. 2013-12-10 19:39:48 +00:00
addrmanager_test.go add tests for RFC*, Local, Valid, and Routable. 2013-10-02 17:34:25 -04:00
blockmanager.go Don't use headers first when checkpoints disabled. 2013-12-20 14:01:25 -06:00
btcd.go Shutdown server fully on ctrl-c 2013-12-10 22:40:17 +00:00
CHANGES Prepare for release 0.4.0. 2013-12-12 13:27:06 -06:00
config.go Add basic support for UPnP. 2013-12-10 22:39:54 +00:00
deps.txt Prepare for release 0.4.0. 2013-12-12 13:27:06 -06:00
discovery.go Convert btcd to use new btclog package. 2013-11-21 17:41:21 -06:00
doc.go Update doc.go with new debug level usage. 2013-11-21 20:01:11 -06:00
LICENSE Initial import. 2013-08-06 19:17:05 -05:00
limits_plan9.go add setLimits stub for plan 9 2013-10-16 15:19:21 -05:00
limits_unix.go add setLimits stub for plan 9 2013-10-16 15:19:21 -05:00
limits_windows.go Up some limits on !windows. 2013-10-07 16:44:46 -05:00
log.go Add rolling log file. 2013-11-25 13:40:53 -06:00
mempool.go gofmt 2013-12-17 14:02:35 +00:00
mruinvmap.go Minor cleanup of some documentation and comments. 2013-11-18 10:38:24 -06:00
mruinvmap_test.go Add simple benchmark for MruInventoryMap handling. 2013-10-26 01:57:00 -05:00
params.go Change default RPC port to 8334 (18334 testnet). 2013-10-16 15:01:43 -05:00
peer.go Alter the way peers queue outbound messages somewhat. 2013-12-23 23:51:52 +00:00
README.md Add TravisCI build status badge to README.md. 2013-12-08 20:44:06 -06:00
rpcserver.go gofmt 2013-12-17 14:02:35 +00:00
sample-btcd.conf Make RPC section of sample-btcd.conf consistent. 2013-11-19 11:01:23 -06:00
server.go Parse out ports from externalip strings if present. 2013-12-16 20:48:23 +00:00
service_windows.go Ensure Win service bits only compile on Windows. 2013-11-25 20:58:18 -06:00
signal.go go fmt. 2013-12-11 00:41:03 +00:00
upgrade.go Convert btcd to use new btclog package. 2013-11-21 17:41:21 -06:00
upnp.go Add basic support for UPnP. 2013-12-10 22:39:54 +00:00
version.go Prepare for release 0.4.0. 2013-12-12 13:27:06 -06:00

README.md

btcd

[Build Status] (https://travis-ci.org/conformal/btcd)

btcd is an alternative full node bitcoin implementation written in Go (golang).

This project is currently under active development and is in an Alpha state.

It currently properly downloads, validates, and serves the block chain using the exact rules (including bugs) for block acceptance as the reference implementation (bitcoind). We have taken great care to avoid btcd causing a fork to the block chain. It passes all of the 'official' block acceptance tests (https://github.com/TheBlueMatt/test-scripts).

It also properly relays newly mined blocks, maintains a transaction pool, and relays individual transactions that have not yet made it into a block. It ensures all individual transactions admitted to the pool follow the rules required into the block chain and also includes the vast majority of the more strict checks which filter transactions based on miner requirements ("standard" transactions).

One key difference between btcd and bitcoind is that btcd does NOT include wallet functionality and this was a very intentional design decision. See the blog entry here for more details. This means you can't actually make or receive payments directly with btcd. That functionality will be provided by the forthcoming btcwallet and btcgui.

Installation

Windows - MSI Available

https://github.com/conformal/btcd/releases

Linux/BSD/POSIX - Build from Source

  • Install Go according to the installation instructions here: http://golang.org/doc/install btcd requires features only available in go1.2 or later.

  • Run the following command to obtain btcd, all dependencies, and install it: $ go get github.com/conformal/btcd

  • btcd will now be installed in either $GOROOT/bin or $GOPATH/bin depending on your configuration. If you did not already add to your system path during the installation, we recommend you do so now.

Updating

Windows

Install a newer MSI

Linux/BSD/POSIX - Build from Source

  • Run the following command to update btcd, all dependencies, and install it: $ go get -u -v github.com/conformal/btcd/...

Getting Started

btcd has several configuration options avilable to tweak how it runs, but all of the basic operations described in the intro section work with zero configuration.

Windows (Installed from MSI)

Launch btcd from your Start menu.

Linux/BSD/POSIX/Source

$ ./btcd

Mailing lists

  • btcd: discussion of btcd and its packages.
  • btcd-commits: readonly mail-out of source code changes.

To subscribe to a given list, send email to list+subscribe@opensource.conformal.com

TODO

The following is a brief overview of the next things we have planned to work on for btcd. Note this does not include the separate btcwallet and btcgui which are currently under heavy development:

  • Documentation
  • Code cleanup
  • Add remaining missing RPC calls
  • Complete several TODO items in the code
  • Offer cross-compiled binaries for popular OSes (Fedora, Ubuntu, FreeBSD, OpenBSD)

GPG Verification Key

All official release tags are signed by Conformal so users can ensure the code has not been tampered with and is coming from Conformal. To verify the signature perform the following:

  • Download the public key from the Conformal website at https://opensource.conformal.com/GIT-GPG-KEY-conformal.txt

  • Import the public key into your GPG keyring:

    gpg --import GIT-GPG-KEY-conformal.txt

  • Verify the release tag with the following command where TAG_NAME is a placeholder for the specific tag:

    git tag -v TAG_NAME

License

btcd is licensed under the liberal ISC License.