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Ethan Buchman 9293ae76bf p2p: introduce peerConn to simplify peer creation (#1226) 
* expose AuthEnc in the P2P config

if AuthEnc is true, dialed peers must have a node ID in the address and
it must match the persistent pubkey from the secret handshake.

Refs #1157

* fixes after my own review

* fix docs

* fix build failure

```
p2p/pex/pex_reactor_test.go:288:88: cannot use seed.NodeInfo().NetAddress() (type *p2p.NetAddress) as type string in array or slice literal
```

* p2p: introduce peerConn to simplify peer creation

* Introduce `peerConn` containing the known fields of `peer`
* `peer` only created in `sw.addPeer` once handshake is complete and NodeInfo is checked
* Eliminates some mutable variables and makes the code flow better
* Simplifies the `newXxxPeer` funcs
* Use ID instead of PubKey where possible.
        * SetPubKeyFilter -> SetIDFilter
        * nodeInfo.Validate takes ID
        * remove peer.PubKey()

* persistent node ids

* fixes from review

* test: use ip_plus_id.sh more

* fix invalid memory panic during fast_sync test

```
2018-02-21T06:30:05Z box887.localdomain docker/local_testnet_4[14907]: panic: runtime error: invalid memory address or nil pointer dereference
2018-02-21T06:30:05Z box887.localdomain docker/local_testnet_4[14907]: [signal SIGSEGV: segmentation violation code=0x1 addr=0x20 pc=0x98dd3e]
2018-02-21T06:30:05Z box887.localdomain docker/local_testnet_4[14907]:
2018-02-21T06:30:05Z box887.localdomain docker/local_testnet_4[14907]: goroutine 3432 [running]:
2018-02-21T06:30:05Z box887.localdomain docker/local_testnet_4[14907]: github.com/tendermint/tendermint/p2p.newOutboundPeerConn(0xc423fd1380, 0xc420933e00, 0x1, 0x1239a60, 0
xc420128c40, 0x2, 0x42caf6, 0xc42001f300, 0xc422831d98, 0xc4227951c0, ...)
2018-02-21T06:30:05Z box887.localdomain docker/local_testnet_4[14907]: #011/go/src/github.com/tendermint/tendermint/p2p/peer.go:123 +0x31e
2018-02-21T06:30:05Z box887.localdomain docker/local_testnet_4[14907]: github.com/tendermint/tendermint/p2p.(*Switch).addOutboundPeerWithConfig(0xc4200ad040, 0xc423fd1380, 0
xc420933e00, 0xc423f48801, 0x28, 0x2)
2018-02-21T06:30:05Z box887.localdomain docker/local_testnet_4[14907]: #011/go/src/github.com/tendermint/tendermint/p2p/switch.go:455 +0x12b
2018-02-21T06:30:05Z box887.localdomain docker/local_testnet_4[14907]: github.com/tendermint/tendermint/p2p.(*Switch).DialPeerWithAddress(0xc4200ad040, 0xc423fd1380, 0x1, 0x
0, 0x0)
2018-02-21T06:30:05Z box887.localdomain docker/local_testnet_4[14907]: #011/go/src/github.com/tendermint/tendermint/p2p/switch.go:371 +0xdc
2018-02-21T06:30:05Z box887.localdomain docker/local_testnet_4[14907]: github.com/tendermint/tendermint/p2p.(*Switch).reconnectToPeer(0xc4200ad040, 0x123e000, 0xc42007bb00)
2018-02-21T06:30:05Z box887.localdomain docker/local_testnet_4[14907]: #011/go/src/github.com/tendermint/tendermint/p2p/switch.go:290 +0x25f
2018-02-21T06:30:05Z box887.localdomain docker/local_testnet_4[14907]: created by github.com/tendermint/tendermint/p2p.(*Switch).StopPeerForError
2018-02-21T06:30:05Z box887.localdomain docker/local_testnet_4[14907]: #011/go/src/github.com/tendermint/tendermint/p2p/switch.go:256 +0x1b7
```
 		2018-02-27 15:54:40 +04:00
.github Create PULL_REQUEST_TEMPLATE.md 2018-01-18 13:53:18 -05:00
DOCKER update docker readme 2018-01-09 11:05:15 -06:00
benchmarks fix tests 2018-01-14 01:19:07 -05:00
blockchain fixes from Jae's review 2018-02-12 14:32:09 +04:00
cmd/tendermint p2p: introduce peerConn to simplify peer creation (#1226) 2018-02-27 15:54:40 +04:00
config p2p: introduce peerConn to simplify peer creation (#1226) 2018-02-27 15:54:40 +04:00
consensus RequestInitChain needs genesisBytes 2018-02-21 03:43:47 +00:00
docs p2p: introduce peerConn to simplify peer creation (#1226) 2018-02-27 15:54:40 +04:00
evidence fixes from Jae's review 2018-02-12 14:32:09 +04:00
lite it compiles 2018-02-03 03:52:17 -05:00
mempool restore mempool memory leak tests 2018-02-19 15:34:33 -05:00
node p2p: introduce peerConn to simplify peer creation (#1226) 2018-02-27 15:54:40 +04:00
p2p p2p: introduce peerConn to simplify peer creation (#1226) 2018-02-27 15:54:40 +04:00
proxy fixes from my own review 2017-11-29 14:24:18 -06:00
rpc fixes from Jae's review 2018-02-12 14:32:09 +04:00
scripts deterministic tooling for releases 2018-02-06 12:46:13 +04:00
state fix appHash log. closes #1207 2018-02-19 15:32:09 -05:00
test p2p: introduce peerConn to simplify peer creation (#1226) 2018-02-27 15:54:40 +04:00
types p2p: introduce peerConn to simplify peer creation (#1226) 2018-02-27 15:54:40 +04:00
version changelog date and version 2018-02-19 17:35:46 -05:00
.codecov.yml Update .codecov.yml 2017-11-30 19:01:50 +00:00
.editorconfig merge 2 rules in .editorconfig 2017-12-04 15:01:28 -06:00
.gitignore Fix vagrantfile 2018-01-26 01:16:07 -05:00
CHANGELOG.md p2p: introduce peerConn to simplify peer creation (#1226) 2018-02-27 15:54:40 +04:00
CODE_OF_CONDUCT.md Add Code of Conduct 2017-06-19 15:46:15 +02:00
CONTRIBUTING.md update contributing.md 2018-01-26 01:18:33 -05:00
LICENSE GPLv3 -> Apache2.0 2016-07-18 11:51:37 -04:00
Makefile deterministic tooling for releases 2018-02-06 12:46:13 +04:00
README.md README: document the minimum Go version 2017-12-28 23:26:45 -07:00
Vagrantfile deterministic tooling for releases 2018-02-06 12:46:13 +04:00
appveyor.yml appveyor: use make 2017-12-10 20:07:44 -05:00
circle.yml mercy for developers with slow Internet 2018-01-23 20:37:38 +04:00
glide.lock glide update 2018-02-21 03:32:02 +00:00
glide.yaml glide update 2018-02-21 03:32:02 +00:00

README.md

Tendermint

Byzantine-Fault Tolerant State Machine Replication. Or Blockchain for short.

version API Reference Go version Rocket.Chat license

Branch Tests Coverage
master CircleCI codecov
develop CircleCI codecov

NOTE: This is alpha software. Please contact us if you intend to run it in production.

Tendermint Core is Byzantine Fault Tolerant (BFT) middleware that takes a state transition machine - written in any programming language - and securely replicates it on many machines.

For more information, from introduction to install to application development, Read The Docs.

Minimum requirements

Requirement Notes
Go version Go1.9 or higher

Install

To download pre-built binaries, see our downloads page.

To install from source, you should be able to:

go get -u github.com/tendermint/tendermint/cmd/tendermint

For more details (or if it fails), read the docs.

Resources

Tendermint Core

All resources involving the use of, building application on, or developing for, tendermint, can be found at Read The Docs. Additional information about some - and eventually all - of the sub-projects below, can be found at Read The Docs.

Sub-projects

  • ABCI, the Application Blockchain Interface
  • Go-Wire, a deterministic serialization library
  • Go-Crypto, an elliptic curve cryptography library
  • TmLibs, an assortment of Go libraries used internally
  • IAVL, Merkleized IAVL+ Tree implementation

Tools

Applications

More

Contributing

Yay open source! Please see our contributing guidelines.

Versioning

SemVer

Tendermint uses SemVer to determine when and how the version changes. According to SemVer, anything in the public API can change at any time before version 1.0.0

To provide some stability to Tendermint users in these 0.X.X days, the MINOR version is used to signal breaking changes across a subset of the total public API. This subset includes all interfaces exposed to other processes (cli, rpc, p2p, etc.), as well as parts of the following packages:

  • types
  • rpc/client
  • config
  • node

Exported objects in these packages that are not covered by the versioning scheme are explicitly marked by // UNSTABLE in their go doc comment and may change at any time. Functions, types, and values in any other package may also change at any time.

Upgrades

In an effort to avoid accumulating technical debt prior to 1.0.0, we do not guarantee that breaking changes (ie. bumps in the MINOR version) will work with existing tendermint blockchains. In these cases you will have to start a new blockchain, or write something custom to get the old data into the new chain.

However, any bump in the PATCH version should be compatible with existing histories (if not please open an issue).

Code of Conduct

Please read, understand and adhere to our code of conduct.