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@ -1,6 +1,10 @@
TEZOS TEZOS
===== =====
Tezos is a distributed consensus platform with meta-consensus capability. Tezos
not only comes to consensus about state, like BTC or ETH. It also comes to
consensus about how the protocol and the nodes should adapt and upgrade.
See https://www.tezos.com/ for more information about the project. See https://www.tezos.com/ for more information about the project.
@ -8,16 +12,33 @@ Build instructions
------------------ ------------------
To compile Tezos, you need an OCaml compiler (version 4.03.0) and all the To compile Tezos, you need an OCaml compiler (version 4.03.0) and all the
libraries listed in `src/tezos-deps.opam`. To install all the required libraries listed in `src/tezos-deps.opam`.
dependencies, we strongly recommand to install
[OPAM](https://opam.ocaml.org/), the OCaml package manager, and then to The best way to install all dependencies is by first installing
run the following command: [OPAM](https://opam.ocaml.org/), the OCaml package manager.
Create a new switch alias for Tezos. A switch is your own version of the OPAM
configuration, including the OCaml compiler, all packages, and package manager
configuration related to your project. This is necessary so that the project
doesn't conflict with other OCaml projects or other versions of Tezos.
```
opam switch tezos --alias-of 4.03.0
```
Activate the new switch:
```
eval `opam config env`
```
Install Tezos dependencies:
``` ```
make build-deps make build-deps
``` ```
Then, to compile the project, simply run: Compile the project:
``` ```
make make
@ -29,113 +50,112 @@ This should produce three binaries:
* `tezos-client`: a minimal command-line client; * `tezos-client`: a minimal command-line client;
* `tezos-protocol-compiler`: a protocol compiler used for developing new version of the economical protocol. * `tezos-protocol-compiler`: a protocol compiler used for developing new version of the economical protocol.
Currently Tezos is developped/tested under Linux only. Currently Tezos is being developed for Linux only. It should work on mac OS,
It should work on mac OS, but this has not been tested recently. but it has not been tested recently. A Windows port is in progress.
The Windows port is in progress.
Running the node in a sandbox Running the node in a sandbox
----------------------------- -----------------------------
To run a single instance of a Tezos node in a sandbox mode: To run a single instance of a Tezos node in sandbox mode:
``` ```
./tezos-node -sandbox /path/to/a/custom/data/dir -rpc-port 8732 ./tezos-node -sandbox /path/to/a/custom/data/dir -rpc-port 8732
``` ```
This "sandboxed" node will not participate to the P2P network, but This "sandboxed" node will not participate in the P2P network, but will accept
it accepts RPC from the local host on port 8732. See below from more RPC from localhost on port 8732. See below from more details on the RPC
details on the RPC interface. interface.
Running the node Running the node
---------------- ----------------
There is not an official running Tezos network yet. But you might run So far there is no official Tezos network being run, but you might run a local
a local test network. To run a node that accept incoming connections, test network. Use the following command to run a node that will accept incoming
simply run: connections:
``` ```
./tezos-node ./tezos-node
``` ```
It will listen to incoming connection on `0.0.0.0:9732` (and `[::]:9732`). The node will listen to connections coming in on `0.0.0.0:9732` (and
All useful data are stored into `${HOME}/.tezos-node/`, e.g. a default `[::]:9732`). All used data is stored at `${HOME}/.tezos-node/`. For example,
configuration file was generated: `${HOME}/.tezos-node/config`. the default configuration file is at `${HOME}/.tezos-node/config`.
To create multiple nodes on the same machine, it is possible to To run multiple nodes on the same machine, you can duplicate and edit
duplicate and edit `${HOME}/.tezos-node/config` while taking care not to `${HOME}/.tezos-node/config` while making sure they don't share paths to the
share paths for accessing the database or any other data file database or any other data file (cf. options `db.store` ; `db.context` ;
(cf. options `db.store` ; `db.context` ; `net.peers` and `protocol.dir`). `net.peers` and `protocol.dir`).
Another possibility is to let Tezos generate a config file by specifying You could also let Tezos generate a config file by specifying options on the
options on the command line. For instance, if `${DIR}/config` does not command line. For instance, if `$dir/config` does not exist, the following
exist, the following command will generate it and replace the default values command will generate it and replace the default values with the values from
with the values from the command line arguments: the command line:
``` ```
./tezos-node -base-dir ${DIR} -net-port 9733 -net-addr 127.0.0.1 ./tezos-node -base-dir "$dir" -net-port 9733 -net-addr 127.0.0.1
``` ```
The Tezos server has a built-in mechanism to discover peers on the local net The Tezos server has a built-in mechanism to discover peers on the local
(using UDP packets broadcasted on port 7732). network (using UDP packets broadcasted on port 7732).
If this mechanism is not sufficient, one can provide Tezos with a list of If this mechanism is not sufficient, one can provide Tezos with a list of
initial peers, either by editing the option `net.bootstrap.peers` in the initial peers, either by editing the option `net.bootstrap.peers` in the
`config` file, or by specifying a command line parameter: `config` file, or by specifying a command line parameter:
``` ```
./tezos-node -base-dir ${DIR} -net-port 2023 -net-addr 127.0.0.1 \ ./tezos-node -base-dir "$dir" -net-port 2023 -net-addr 127.0.0.1 \
-net-bootstrap-peers '[("127.0.0.1", 2021);("127.0.0.1", 2022)]' -net-bootstrap-peers '[("127.0.0.1", 2021);("127.0.0.1", 2022)]'
``` ```
If `${DIR}/config` exists, the command line options override those read If `"$dir"/config` exists, the command line options override those read in the
in the config file. Tezos never modifies the content of an existing config file. Tezos won't modify the content of an existing `"$dir"/config`
`${DIR}/config` file. file.
``` ```
./tezos-node -config-file ${DIR}/config ./tezos-node -config-file "$dir"/config
``` ```
JSON/RPC interface JSON/RPC interface
------------------ ------------------
The tezos node provides a JSON/RPC interface. Note that it is an RPC, The Tezos node provides a JSON/RPC interface. Note that it is an RPC, and it is
and it is JSON based, but it does not follow the "JSON-RPC" protocol. JSON based, but it does not follow the "JSON-RPC" protocol. It is not active by
It is not active by default and it should be explicitely activated with default and it must be explicitely activated with the `-rpc-port` option.
the `rpc-port` option. Typically, if you are not trying to run a local Typically, if you are not trying to run a local network and just want to
network and just want to explore the RPC, you should run: explore the RPC, you would run:
``` ```
./tezos-node -sandbox /path/to/a/custom/data/dir -rpc-port 8732 ./tezos-node -sandbox /path/to/a/custom/data/dir -rpc-port 8732
``` ```
The RPC interface is self-documented and the `tezos-client` The RPC interface is self-documented and the `tezos-client` executable is able
is able to pretty-print the list of available RPCs. For instance, for to pretty-print the RPC API. For instance, to see the API provided by the Tezos
the list of RPC provided by the Shell: Shell:
``` ```
./tezos-client rpc list ./tezos-client rpc list
``` ```
And, for the list of RPC attached to the "genesis" bloc, To get API attached to the "genesis" block, including the remote procedures
including the RPC provided by the associated economical-protocol version: provided by the associated economical protocol version:
``` ```
./tezos-client rpc list /blocks/genesis/ ./tezos-client rpc list /blocks/genesis/
``` ```
You might also get the JSON schema describing the expected input and output You might also want the JSON schema describing the expected input and output of
of a RPC. For instance: a RPC. For instance:
``` ```
./tezos-client rpc schema /block/genesis/hash ./tezos-client rpc schema /block/genesis/hash
``` ```
Note: you might get the same information, but as a raw JSON object, Note: you can get the same information, but as a raw JSON object, with a simple
with a simple HTTP request: HTTP request:
``` ```
wget --post-data '{ "recursive": true }' -O - http://127.0.0.1:8732/describe wget --post-data '{ "recursive": true }' -O - http://127.0.0.1:8732/describe
@ -150,4 +170,4 @@ The minimal CLI client
Work in progress. Work in progress.
See `./tezos-client -help` for the current list of available commands. See `./tezos-client -help` for available commands.