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An alternative full node implementation of LBRY's blockchain written in Go (golang)
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Josh Rickmar 0c6d7bbeae Improve websocket transaction notifications. 
This change improves the mechanism by which btcd notifies a websocket
client of transaction relating to watched address and unspent outputs
in the following ways:

1. The old processedtx notification has been replaced with the new
   recvtx notification.  This notification, rather than parsing out
   details used by wallet clients, sends the serialized transaction
   (as hexadecimal) and any block details (if mined) if any transaction
   output sends to one of the websocket client's watched addresses.

2. The old txspent notification has been replaced with the new
   redeemingtx notification.  This notification, rather than parsing
   out details used by wallet clients, sends the serialized transaction
   (as hexadecimal) and any block details (if mined) if any transaction
   input spends a watched output.

3. When processing notifications for transaction outputs, if any output
   spends to a client's watched address, a corresponding spent request
   is automatically registered.

4. Transaction notifications originating from mempool now include both
   transaction inputs and outputs, rather than only processing

5. When processing notifications for transaction inputs, a client's
   output spent request is only removed if the transaction being
   processed has also been mined into a block.  In combination with the
   4th change, this results in two redeemingtx notifications for
   transactions which first appear in mempool and are subsequently mined
   into a block.
2014-02-24 13:17:57 -05:00
limits Make limits into a pkg. 2014-01-07 16:06:12 -06:00
release Add version to btcctl. 2013-11-19 20:07:31 -06:00
util Prepare for release 0.7.0. 2014-02-20 15:51:40 -06:00
.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 Copy netaddresses in AddressCache instead of referencing them. 2014-02-12 15:33:52 +00:00
addrmanager_test.go Add 2014 to copyright dates. 2014-01-01 10:16:15 -06:00
blockmanager.go Rework and improve websocket notification system. 2014-02-19 00:53:05 -06:00
btcd.go Add --logdir option to specify logging directory. 2014-02-12 15:56:05 -06:00
CHANGES Prepare for release 0.7.0. 2014-02-20 15:51:40 -06:00
config.go Rate limit free-to-relay transactions. 2014-02-19 22:39:02 +00:00
deps.txt Prepare for release 0.7.0. 2014-02-20 15:51:40 -06:00
discovery.go Unexport and comment btcDial and btcLookup func. 2014-01-10 01:31:20 -06:00
doc.go Rate limit free-to-relay transactions. 2014-02-19 22:39:02 +00:00
LICENSE Add 2014 to copyright dates. 2014-01-01 10:16:15 -06:00
log.go Add --logdir option to specify logging directory. 2014-02-12 15:56:05 -06:00
mempool.go Improve websocket transaction notifications. 2014-02-24 13:17:57 -05:00
mruinvmap.go Add 2014 to copyright dates. 2014-01-01 10:16:15 -06:00
mruinvmap_test.go Add 2014 to copyright dates. 2014-01-01 10:16:15 -06:00
params.go Add new DNS seed seed.bitcoinstats.com 2014-01-04 23:20:06 -05:00
peer.go Remove duplicate PEER prefix from peer logging. 2014-02-14 12:45:33 -06:00
README.md Add a requirements section to the README 2014-02-13 12:39:17 -05:00
rpcserver.go Return errors for any sendrawtransaction rejection. 2014-02-21 09:03:04 -05:00
rpcwebsocket.go Improve websocket transaction notifications. 2014-02-24 13:17:57 -05:00
sample-btcd.conf Add --rpcmaxwebsockets option with default of 25. 2014-02-19 00:53:14 -06:00
server.go Switch over to new btcjson.GetPeerInfoResult. 2014-02-16 13:45:48 -06:00
service_windows.go Add 2014 to copyright dates. 2014-01-01 10:16:15 -06:00
signal.go Add 2014 to copyright dates. 2014-01-01 10:16:15 -06:00
upgrade.go Add 2014 to copyright dates. 2014-01-01 10:16:15 -06:00
upnp.go Add basic support for UPnP. 2013-12-10 22:39:54 +00:00
version.go Prepare for release 0.7.0. 2014-02-20 15:51:40 -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 is provided by the btcwallet and btcgui projects which are both under active development.

Requirements

Go 1.2 or newer.

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

  • 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

Issue Tracker

The integrated github issue tracker is used for this project.

Documentation

The documentation is a work-in-progress. It uses the github wiki facility.

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 copyfree ISC License.