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Tendermint in Golang

Tendermint is a completely decentralized byzantine consensus protocol suitable for use in cryptocurrencies.

This project is a reference implementation of the protocol.

## Submodules

* **[consensus](https://github.com/tendermint/tendermint/blob/master/consensus):** core consensus algorithm
* **[state](https://github.com/tendermint/tendermint/blob/master/state):** application state; mutated by transactions
* **[blocks](https://github.com/tendermint/tendermint/blob/master/blocks):** structures of the blockchain
* **[mempool](https://github.com/tendermint/tendermint/blob/master/mempool):** gossip of new transactions
* **[merkle](https://github.com/tendermint/tendermint/blob/master/merkle):** merkle hash trees
* **[p2p](https://github.com/tendermint/tendermint/blob/master/p2p):**  extensible P2P networking

## Requirements

[Go](http://golang.org) 1.2 or newer.

OpenSSL header files. `sudo apt-get install libssl-dev` on Debian/Ubuntu

//TODO OpenSSL header files for other platforms


###Setting up Golang

[Install Go for your platform](https://golang.org/doc/install)

Set up environment variables. Go requires certain environment variables to compile code. Set these in your terminal, .profile or .zshrc as appropiate.

```
export GOROOT=$HOME/go
export PATH=$PATH:$GOROOT/bin
export GOPATH=$HOME/gopkg
```

## Build

[![Build Status](https://drone.io/github.com/tendermint/tendermint/status.png)](https://drone.io/github.com/tendermint/tendermint/latest)

```
make get_deps
make
```

## Run

`./tendermint daemon --help`

### Editing your config file

When `./tendermint daemon` is first run, a file will be create in ~/.tendermint/config.toml

//TODO Explanation of other config.toml fields

```toml
# This is a TOML config file.
# For more information, see https://github.com/toml-lang/toml

Network =         "tendermint_testnet0"
ListenAddr =      "0.0.0.0:0"
# First node to connect to.  Command-line overridable.
SeedNode =        "23.239.22.253:8080"

[DB]
# The only other available backend is "memdb"
Backend =         "leveldb"
# The leveldb data directory.
# Dir =           "<YOUR_HOME_DIRECTORY>/.tendermint/data"

[RPC]
# For the RPC API HTTP server.  Port required.
HTTP.ListenAddr = "0.0.0.0:8081"

[Alert]
# TODO: Document options

[SMTP]
# TODO: Document options
```

You will also to need to have a genesis.json in ~/.tendermint/. This must be the common genesis.json as the network you are joining from the Seed Node

```
{
  "Accounts": [
    {
      "Address": "553722287BF1230C081C270908C1F453E7D1C397",
      "Amount":  200000000
    },
    {
      "Address": "AC89A6DDF4C309A89A2C4078CE409A5A7B282270",
      "Amount":  200000000
    }
  ],
  "Validators": [
    {
      "PubKey": [1, "932A857D334BA5A38DD8E0D9CDE9C84687C21D0E5BEE64A1EDAB9C6C32344F1A"],
      "Amount": 100000000,
      "UnbondTo": [
        {
          "Address": "553722287BF1230C081C270908C1F453E7D1C397",
          "Amount":  100000000
        }
      ]
    }
  ]
}
```

## Resources

IRC Channel: #tendermint on freenode