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License: MIT License

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go-tezos's Introduction

go-tezos

go-tezos is a Go client library that is used to interact with a Tezos' nodes RPC methods.

Work in progress, contributions welcome.

This client RPC library is in development and should be considered alpha. Contributors are welcome. We will start to tag releases of this library in November 2018.

The library will be useful to anyone wanting to build tools, products or services on top of the Tezos RPC API in go.

The library will be:

Well tested
Nightly Integration tests against official Tezos docker images
Written in Idiomatic Go
Aim to have complete coverage of the Tezos API and stay up to date with new RPCs or changes to existing RPCs

Documentation

Library documentation lives in the code as godoc comments. Readers can view up-to-date documentation here: https://godoc.org/github.com/ecadlabs/go-tezos

Contributions

Reporting issues/feature requests

Please use the GitHub issue tracker to report bugs or request features.

Contribution

To contribute, please check the issue tracker to see if an existing issue exists for your planned contribution. If there's no Issue, please create one first, and then submit a pull request with your contribution.

For a contribution to be merged, it must be well documented, come with unit tests, and integration tests where appropriate. Submitting a "Work in progress" pull request is welcome!

Reporting Security Issues

If a security vulnerabiltiy in this project is discovered, please report the issue to [email protected] or to jevonearth on keybase.io

Reports may be encrypted using keys published on keybase.io

Tezos RPC API documentation

The best known RPC API docs are available here: http://tezos.gitlab.io/mainnet/

Users of `go-tezos`

A prometheus metrics exporter for a Tezos node https://github.com/ecadlabs/tezos_exporter

Development

Running a tezos RPC node using docker-compose

To run a local tezos RPC node using docker, run the following command:

docker-compose up

The node will generate an identity and then, it will the chain from other nodes on the network. The process of synchronizing or downloading the chain can take some time, but most of the RPC will work while this process completes.

The alphanet image tag means you are not interacting with the live mainnet. You can connect to mainnet with the tezos/tezos:mainnet image, but it takes longer to sync.

The docker-compose.yml file uses volumes, so when you restart the node, it won't have to regenerate an identity, or sync the entire chain.

Running a tezos RPC node using docker

If you want to run a tezos node quickly, without using docker-compose try:

docker run -it --rm --name tezos_node -p 8732:8732 tezos/tezos:alphanet tezos-node

Interacting with tezos RPC

With the tezos-node docker image, you can test that the RPC interface is working:

curl localhost:8732/network/stat

The tezos-client cli is available in the docker image, and can be run as follows:

docker exec -it tezos_node tezos-client -A 0.0.0.0 man

docker exec -it tezos_node tezos-client -A 0.0.0.0 rpc list

Create a shell alias that you can run from your docker host for convenience;

alias tezos-client='sudo docker exec -it -e TEZOS_CLIENT_UNSAFE_DISABLE_DISCLAIMER=Y tezos_node tezos-client -A 0.0.0.0'

go-tezos's People

Contributors

Stargazers

Watchers

go-tezos's Issues

Add support for fetching `/network/connections`

Add support for fetching active connections from the tezos node.

To fetch data from a node running locally, one can use curl;
curl -s localhost:8732/network/connections |jq .

Implement GetConnections method
[/] ~~Add integration test~~
ensure godoc comments are readable and useful

Set up integration tests to test library against the tezos alphanet

Don't use strings to represent balances

GetDelegateBalance and GetContractBalance represents the balance as a string.

Add method for `/network/points`

A method to return all points from the node.

http://tezos.gitlab.io/mainnet/api/rpc.html#get-network-points

Unit test coverage
GoDoc comments are complete, passes linter, and links to upstream API docs

Sample JSON output;

curl localhost:8732/network/points | jq .

[
  [
    "195.113.242.140:9732",
    {
      "trusted": false,
      "greylisted_until": "2018-10-11T14:12:23Z",
      "state": {
        "event_kind": "disconnected"
      },
      "last_failed_connection": "2018-10-11T13:21:36Z",
      "last_miss": "2018-10-11T13:21:36Z"
    }
  ],
  [
    "208.69.41.98:9732",
    {
      "trusted": false,
      "greylisted_until": "2018-10-11T14:12:23Z",
      "state": {
        "event_kind": "disconnected"
      },
      "last_failed_connection": "2018-10-11T13:21:36Z",
      "last_miss": "2018-10-11T13:21:36Z"
    }
  ],
  [
    "81.38.255.8:9732",
    {
      "trusted": false,
      "greylisted_until": "2018-10-11T14:12:23Z",
      "state": {
        "event_kind": "disconnected"
      },
      "last_failed_connection": "2018-10-11T13:21:36Z",
      "last_miss": "2018-10-11T13:21:36Z"
    }
  ],
  [
    "[2a01:e35:2fd5:2af0:858e:74a5:f493:c07b]:9732",
    {
      "trusted": false,
      "greylisted_until": "2018-10-11T14:04:31Z",
      "state": {
        "event_kind": "disconnected"
      },
      "last_failed_connection": "2018-10-11T13:13:44Z",
      "last_miss": "2018-10-11T13:13:44Z"
    }
  ],
  [
    "35.166.214.116:9732",
    {
      "trusted": false,
      "greylisted_until": "2018-10-11T14:12:23Z",
      "state": {
        "event_kind": "disconnected"
      },
      "last_failed_connection": "2018-10-11T13:21:36Z",
      "last_miss": "2018-10-11T13:21:36Z"
    }
  ],
  [
    "96.239.24.223:8192",
    {
      "trusted": false,
      "greylisted_until": "2018-10-11T14:12:23Z",
      "state": {
        "event_kind": "disconnected"
      },
      "last_failed_connection": "2018-10-11T13:21:36Z",
      "last_miss": "2018-10-11T13:21:36Z"
    }
  ],
  [
    "35.231.152.106:9732",
    {
      "trusted": false,
      "greylisted_until": "2018-10-11T14:12:23Z",
      "state": {
        "event_kind": "disconnected"
      },
      "last_failed_connection": "2018-10-11T13:21:36Z",
      "last_miss": "2018-10-11T13:21:36Z"
    }
  ],
  [
    "[2001:718:2:2905:842d:b64e:391e:882c]:9732",
    {
      "trusted": false,
      "greylisted_until": "2018-10-11T14:03:54Z",
      "state": {
        "event_kind": "disconnected"
      },
      "last_failed_connection": "2018-10-11T13:13:07Z",
      "last_miss": "2018-10-11T13:13:07Z"
    }
  ],
  [
    "178.243.49.170:9732",
    {
      "trusted": false,
      "greylisted_until": "2018-10-11T14:12:23Z",
      "state": {
        "event_kind": "disconnected"
      },
      "last_failed_connection": "2018-10-11T13:21:36Z",
      "last_miss": "2018-10-11T13:21:36Z"
    }
  ],
  [
    "77.177.30.38:9732",
    {
      "trusted": false,
      "greylisted_until": "2018-10-11T14:12:23Z",
      "state": {
        "event_kind": "disconnected"
      },
      "last_failed_connection": "2018-10-11T13:21:36Z",
      "last_miss": "2018-10-11T13:21:36Z"
    }
  ],
  [
    "[2a05:d018:791:4602:b5c6:8740:2662:e3bd]:9732",
    {
      "trusted": true,
      "greylisted_until": "2018-10-11T14:00:32Z",
      "state": {
        "event_kind": "disconnected"
      },
      "last_failed_connection": "2018-10-11T13:09:45Z",
      "last_miss": "2018-10-11T13:09:45Z"
    }
  ],
  [
    "100.38.91.219:9732",
    {
      "trusted": false,
      "greylisted_until": "2018-10-11T14:12:23Z",
      "state": {
        "event_kind": "disconnected"
      },
      "last_failed_connection": "2018-10-11T13:21:36Z",
      "last_miss": "2018-10-11T13:21:36Z"
    }
  ],
  [
    "216.232.49.35:9732",
    {
      "trusted": false,
      "greylisted_until": "2018-10-11T14:12:23Z",
      "state": {
        "event_kind": "disconnected"
      },
      "last_failed_connection": "2018-10-11T13:21:36Z",
      "last_miss": "2018-10-11T13:21:36Z"
    }
  ],
  [
    "66.166.238.179:9732",
    {
      "trusted": false,
      "greylisted_until": "2018-10-11T14:12:23Z",
      "state": {
        "event_kind": "disconnected"
      },
      "last_failed_connection": "2018-10-11T13:21:36Z",
      "last_miss": "2018-10-11T13:21:36Z"
    }
  ],
  [
    "147.32.151.224:9732",
    {
      "trusted": false,
      "greylisted_until": "2018-10-11T14:12:23Z",
      "state": {
        "event_kind": "disconnected"
      },
      "last_failed_connection": "2018-10-11T13:21:36Z",
      "last_miss": "2018-10-11T13:21:36Z"
    }
  ],
  [
    "34.230.42.251:19732",
    {
      "trusted": false,
      "greylisted_until": "2018-10-11T14:12:23Z",
      "state": {
        "event_kind": "disconnected"
      },
      "last_failed_connection": "2018-10-11T13:21:36Z",
      "last_miss": "2018-10-11T13:21:36Z"
    }
  ],
  [
    "119.137.52.251:9732",
    {
      "trusted": false,
      "greylisted_until": "2018-10-11T14:12:23Z",
      "state": {
        "event_kind": "disconnected"
      },
      "last_failed_connection": "2018-10-11T13:21:36Z",
      "last_miss": "2018-10-11T13:21:36Z"
    }
  ],
  [
    "162.243.168.138:9732",
    {
      "trusted": false,
      "greylisted_until": "2018-10-11T14:12:23Z",
      "state": {
        "event_kind": "disconnected"
      },
      "last_failed_connection": "2018-10-11T13:21:36Z",
      "last_miss": "2018-10-11T13:21:36Z"
    }
  ],
  [
    "117.111.13.129:9732",
    {
      "trusted": false,
      "greylisted_until": "2018-10-11T14:12:23Z",
      "state": {
        "event_kind": "disconnected"
      },
      "last_failed_connection": "2018-10-11T13:21:36Z",
      "last_miss": "2018-10-11T13:21:36Z"
    }
  ],
  [
    "216.165.95.150:9732",
    {
      "trusted": false,
      "greylisted_until": "2018-10-11T14:12:23Z",
      "state": {
        "event_kind": "disconnected"
      },
      "last_failed_connection": "2018-10-11T13:21:36Z",
      "last_miss": "2018-10-11T13:21:36Z"
    }
  ],
  [
    "77.225.99.178:9732",
    {
      "trusted": false,
      "greylisted_until": "2018-10-11T14:12:23Z",
      "state": {
        "event_kind": "disconnected"
      },
      "last_failed_connection": "2018-10-11T13:21:36Z",
      "last_miss": "2018-10-11T13:21:36Z"
    }
  ],
  [
    "[2a05:d018:791:4603:3938:ca03:a3a:1a7e]:9732",
    {
      "trusted": true,
      "greylisted_until": "2018-10-11T14:00:32Z",
      "state": {
        "event_kind": "disconnected"
      },
      "last_failed_connection": "2018-10-11T13:09:45Z",
      "last_miss": "2018-10-11T13:09:45Z"
    }
  ],
  [
    "95.91.244.233:9732",
    {
      "trusted": false,
      "greylisted_until": "2018-10-11T14:04:53Z",
      "state": {
        "event_kind": "disconnected"
      },
      "last_failed_connection": "2018-10-11T13:14:06Z",
      "last_miss": "2018-10-11T13:14:06Z"
    }
  ],
  [
    "158.195.144.77:9732",
    {
      "trusted": false,
      "greylisted_until": "2018-10-11T14:03:44Z",
      "state": {
        "event_kind": "disconnected"
      },
      "last_failed_connection": "2018-10-11T13:12:57Z",
      "last_miss": "2018-10-11T13:12:57Z"
    }
  ],
  [
    "88.10.236.75:9732",
    {
      "trusted": false,
      "greylisted_until": "2018-10-11T14:12:23Z",
      "state": {
        "event_kind": "disconnected"
      },
      "last_failed_connection": "2018-10-11T13:21:36Z",
      "last_miss": "2018-10-11T13:21:36Z"
    }
  ],
  [
    "35.196.153.188:9732",
    {
      "trusted": false,
      "greylisted_until": "2018-10-11T14:12:23Z",
      "state": {
        "event_kind": "disconnected"
      },
      "last_failed_connection": "2018-10-11T13:21:36Z",
      "last_miss": "2018-10-11T13:21:36Z"
    }
  ],
  [
    "77.178.251.173:9732",
    {
      "trusted": false,
      "greylisted_until": "2018-10-11T14:12:23Z",
      "state": {
        "event_kind": "disconnected"
      },
      "last_failed_connection": "2018-10-11T13:21:36Z",
      "last_miss": "2018-10-11T13:21:36Z"
    }
  ],
  [
    "95.179.141.14:9732",
    {
      "trusted": false,
      "greylisted_until": "2018-10-11T14:12:23Z",
      "state": {
        "event_kind": "disconnected"
      },
      "last_failed_connection": "2018-10-11T13:21:36Z",
      "last_miss": "2018-10-11T13:21:36Z"
    }
  ],
  [
    "68.46.114.126:9732",
    {
      "trusted": false,
      "greylisted_until": "2018-10-11T14:12:23Z",
      "state": {
        "event_kind": "disconnected"
      },
      "last_failed_connection": "2018-10-11T13:21:36Z",
      "last_miss": "2018-10-11T13:21:36Z"
    }
  ],
  [
    "35.180.92.97:9732",
    {
      "trusted": false,
      "greylisted_until": "2018-10-11T14:12:23Z",
      "state": {
        "event_kind": "disconnected"
      },
      "last_failed_connection": "2018-10-11T13:21:36Z",
      "last_miss": "2018-10-11T13:21:36Z"
    }
  ],
  [
    "147.32.79.109:9732",
    {
      "trusted": false,
      "greylisted_until": "2018-10-11T14:08:10Z",
      "state": {
        "event_kind": "disconnected"
      },
      "last_failed_connection": "2018-10-11T13:17:23Z",
      "last_miss": "2018-10-11T13:17:23Z"
    }
  ],
  [
    "95.216.22.218:9732",
    {
      "trusted": false,
      "greylisted_until": "2018-10-11T13:28:34Z",
      "state": {
        "event_kind": "disconnected"
      },
      "last_failed_connection": "2018-10-11T13:27:48Z",
      "last_established_connection": [
        "idreJhptM63bo94MG2wZcbMtqSPJfv",
        "2018-10-11T13:21:21Z"
      ],
      "last_disconnection": [
        "idreJhptM63bo94MG2wZcbMtqSPJfv",
        "2018-10-11T13:21:44Z"
      ],
      "last_seen": [
        "idreJhptM63bo94MG2wZcbMtqSPJfv",
        "2018-10-11T13:21:44Z"
      ],
      "last_miss": "2018-10-11T13:27:48Z"
    }
  ],
  [
    "103.47.46.65:9732",
    {
      "trusted": false,
      "greylisted_until": "2018-10-11T14:12:23Z",
      "state": {
        "event_kind": "disconnected"
      },
      "last_failed_connection": "2018-10-11T13:21:36Z",
      "last_miss": "2018-10-11T13:21:36Z"
    }
  ]
]

Method for `bootstrapped` RPC

The RPC localhost:8732/monitor/bootstrapped indicates if the node is "bootstrapped", or in other terms, it has syned the entire chain. Implement a method for callers to access this data.

The return payload looks like:

{"block":"BLZPJiiCBRyCEaZpwXYKsBBne98YBJRLpo5B5pfWYKKZVtTvLuG","timestamp":"2018-10-13T13:29:42Z"}

Unit test coverage
GoDoc comments are complete, passes linter, and links to upstream API docs

Key generation

This is a placeholder issue related to key generation.

As part of the CII Best Practices which this project is enrolled in, it provides the following requirements around key generation. I have set this to "N/A" in our projects checklist, but this should be updated after this issue has been implemented.

The security mechanisms within the software produced by the project MUST generate all cryptographic keys and nonces using a cryptographically secure random number generator, and MUST NOT do so using generators that are cryptographically insecure. [crypto_random]
A cryptographically secure random number generator may be a hardware random number generator, or it may be a cryptographically secure pseudo-random number generator (CSPRNG) using an algorithm such as Hash_DRBG, HMAC_DRBG, CTR_DRBG, Yarrow, or Fortuna. Examples of calls to secure random number generators include Java's java.security.SecureRandom and JavaScript's window.crypto.getRandomValues. Examples of calls to insecure random number generators include Java's java.util.Random and JavaScript's Math.random.

Get balance for contract address

Implement a method to fetch the balance for a "contract" or "pkh".

Pay attention to data encoding, and use the appropriate decimal data type in go. Looking at http://tezos.gitlab.io/mainnet/tutorials/data_encoding.html might be helpful.

RPC documentation:

http://tezos.gitlab.io/mainnet/api/rpc.html#get-block-id-context-contracts-contract-id-balance

curl RPC examples;

curl localhost:8732/chains/{chain_id}/blocks/{block_id}/context/delegates/{pkh}/balance

chain_id is a symbolic chain identifier, e.g. main or test, or their equivalent Base58-encoded hash, e. g. NetXzGDuYoAawjv.
block_id is a symbolic block identifier, e.g. head of genesis, or any Base58-encoded block hash, e.g.

curl -v localhost:8732/chains/main/blocks/head/context/delegates/tz3WXYtyDUNL91qfiCJtVUX746QpNv5i5ve5/balance

Error for querying a non existent address returns http status 500 with a json payload as follows.

[{"kind":"permanent","id":"proto.002-PsYLVpVv.context.storage_error","missing_key":["contracts","index","ed25519","8f","b5","ce","a6","2d","147c696afd9a93dbce962f4c8a9c91","balance"],"function":"get"}]

Get method for mempool

Get method to get contents of mempool

/chains/<chain_id>/mempool

<chain_id> is typically main or test

{
  "applied": [
    {
      "hash": "op2sxKn5meBKEwfQFbojM3yyx9QLpV1dxYsRho6Fu4NKmQ3DSPs",
      "branch": "BL1wRomo8YyD4HjFda6yrov3MJkMEkrmuKLdpQ8SfVps22LRbnt",
      "contents": [
        {
          "kind": "endorsement",
          "level": 161114
        }
      ],
      "signature": "sigwGfK8A5idjVtMrVFG4kif2EZnmPyLTsdffKYAm9Ud2tyea8pPcRF94fkokiVtWChpKkqR9NDJ95T3w6DeXAFUxs2PwskX"
    }
  ],
  "refused": [],
  "branch_refused": [],
  "branch_delayed": [
    [
      "opHj5btdc344e8sD2dnWN25jtTkWKvPkUFFaiXSbCKuHMmiWeBg",
      {
        "protocol": "PsYLVpVvgbLhAhoqAkMFUo6gudkJ9weNXhUYCiLDzcUpFpkk8Wt",
        "branch": "BLeNzM78QYTyt1UDHzi5AMFA6YMsTiSQakoB2cdrg9hB5qZbrj9",
        "contents": [
          {
            "kind": "endorsement",
            "level": 161076
          }
        ],
        "signature": "sigpqTRHDhcfy4Q5D52CqTGY6PSt4bYRQPRZs5A67PuQqsoDvdFbv5Kh59yrmAHwg254yR9VijwCQaxmPTp9cZCGyPfVCF8G",
        "error": [
          {
            "kind": "temporary",
            "id": "proto.002-PsYLVpVv.operation.wrong_endorsement_predecessor",
            "expected": "BL1wRomo8YyD4HjFda6yrov3MJkMEkrmuKLdpQ8SfVps22LRbnt",
            "provided": "BLeNzM78QYTyt1UDHzi5AMFA6YMsTiSQakoB2cdrg9hB5qZbrj9"
          }
        ]
      }
    ],
    [
      "opZmp7ogsWuVtjDEK7yHkqyCA3AxfyLoB7qUjKMjwAapVJEbbFs",
      {
        "protocol": "PsYLVpVvgbLhAhoqAkMFUo6gudkJ9weNXhUYCiLDzcUpFpkk8Wt",
        "branch": "BMepDQZmPfhywCWGDz3sVjeAgComVGiU6ePEkFWjAyLgfdw2p1u",
        "contents": [
          {
            "kind": "endorsement",
            "level": 161071
          }
        ],
        "signature": "sighfnzzfJFTMV2S6bxsSXz3ozFqDPuEY8fKE2EChxAyEQFsuCzatzDF9gnfytk27GYfUgVLA65jwELjEAPRyibdZ1iTrFFi",
        "error": [
          {
            "kind": "temporary",
            "id": "proto.002-PsYLVpVv.operation.wrong_endorsement_predecessor",
            "expected": "BL1wRomo8YyD4HjFda6yrov3MJkMEkrmuKLdpQ8SfVps22LRbnt",
            "provided": "BMepDQZmPfhywCWGDz3sVjeAgComVGiU6ePEkFWjAyLgfdw2p1u"
          }
        ]
      }
    ]
  ],
  "unprocessed": []
}

Enroll project in CII Best Practices program

Project setup is started; https://bestpractices.coreinfrastructure.org/en/projects/2349

Add method for `/network/peers`

RPC method: http://tezos.gitlab.io/mainnet/api/rpc.html#get-network-peers

Unit test coverage
GoDoc comments are complete, passes linter, and links to upstream API docs

Example json taken from alphanet;

curl -s localhost:8732/network/peers | jq .

[
  [
    "idsXeq1zboupwXXDdDDiWhBjimeJe3",
    {
      "score": 0,
      "trusted": false,
      "state": "disconnected",
      "stat": {
        "total_sent": "0",
        "total_recv": "0",
        "current_inflow": 0,
        "current_outflow": 0
      },
      "last_established_connection": [
        {
          "addr": "::ffff:104.155.17.238",
          "port": 9732
        },
        "2018-10-11T13:03:12Z"
      ],
      "last_disconnection": [
        {
          "addr": "::ffff:104.155.17.238",
          "port": 9732
        },
        "2018-10-11T13:05:06Z"
      ],
      "last_seen": [
        {
          "addr": "::ffff:104.155.17.238",
          "port": 9732
        },
        "2018-10-11T13:05:06Z"
      ],
      "last_miss": [
        {
          "addr": "::ffff:104.155.17.238",
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        "2018-10-11T08:21:00Z"
      ]
    }
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    {
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      "state": "running",
      "reachable_at": {
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      },
      "stat": {
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        "total_recv": "973473",
        "current_inflow": 328,
        "current_outflow": 18
      },
      "last_established_connection": [
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          "port": 9732
        },
        "2018-10-11T12:03:17Z"
      ],
      "last_disconnection": [
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        },
        "2018-10-11T12:02:13Z"
      ],
      "last_seen": [
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          "port": 9732
        },
        "2018-10-11T12:03:17Z"
      ],
      "last_miss": [
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          "port": 9732
        },
        "2018-10-11T12:02:13Z"
      ]
    }
  ]
]