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Go Node and SDK for the NEO blockchain
1606 commits 40 branches 136 tags 43 MiB
Go 99.8%
Makefile 0.1%
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Roman Khimov 9ac8001c7d core: protect (*Blockchain).keyCache with a lock 
Avoid failures like this:
fatal error: concurrent map writes

goroutine 103 [running]:
runtime.throw(0xca6fe3, 0x15)
        /usr/lib64/go/1.12/src/runtime/panic.go:617 +0x72 fp=0xc000687988 sp=0xc000687958 pc=0x42d8d2
runtime.mapassign(0xb9d4a0, 0xc0000b1f80, 0xc000687a6c, 0x13bd940)
        /usr/lib64/go/1.12/src/runtime/map.go:590 +0x5e3 fp=0xc000687a10 sp=0xc000687988 pc=0x40e2a3
github.com/nspcc-dev/neo-go/pkg/core.(*Blockchain).verifyHashAgainstScript(0xc0000f8000, 0x1300d1f5a3d348be, 0x78607089e4fe9fab, 0xc0a21e4f71, 0xc000d16070, 0x1e2b8881f8178e92, 0xd589cfa965287bb8, 0x24a4e4f292ebc797, 0xb90d3120d878e619, 0xc0001d01e0, ...)
        /home/rik/dev/neo-go/pkg/core/blockchain.go:1866 +0x371 fp=0xc000687ad8 sp=0xc000687a10 pc=0x984ed1
github.com/nspcc-dev/neo-go/pkg/core.(*Blockchain).verifyHeaderWitnesses(0xc0000f8000, 0xc000d16000, 0xc00042d950, 0x1, 0xc00008a6c0)
        /home/rik/dev/neo-go/pkg/core/blockchain.go:1914 +0x209 fp=0xc000687c90 sp=0xc000687ad8 pc=0x985999
github.com/nspcc-dev/neo-go/pkg/core.(*Blockchain).verifyHeader(0xc0000f8000, 0xc000d16000, 0xc00042d950, 0xf0ee0049d611101f, 0xf8967398a8f9351b)
        /home/rik/dev/neo-go/pkg/core/blockchain.go:1254 +0x235 fp=0xc000687d70 sp=0xc000687c90 pc=0x97e4e5
github.com/nspcc-dev/neo-go/pkg/core.(*Blockchain).addHeaders(0xc0000f8000, 0x1, 0xc000d12000, 0x7d0, 0x7d0, 0x0, 0x1)
        /home/rik/dev/neo-go/pkg/core/blockchain.go:369 +0x266 fp=0xc000687e68 sp=0xc000687d70 pc=0x973f46
github.com/nspcc-dev/neo-go/pkg/core.(*Blockchain).AddHeaders(0xc0000f8000, 0xc000d12000, 0x7d0, 0x7d0, 0x0, 0xc0003640c0)
        /home/rik/dev/neo-go/pkg/core/blockchain.go:338 +0x51 fp=0xc000687eb0 sp=0xc000687e68 pc=0x973cb1
github.com/nspcc-dev/neo-go/pkg/network.(*Server).handleHeadersCmd(0xc00022c140, 0xdd0ca0, 0xc000374000, 0xc00000c020)
        /home/rik/dev/neo-go/pkg/network/server.go:431 +0x74 fp=0xc000687fc0 sp=0xc000687eb0 pc=0x9ce5e4
runtime.goexit()
        /usr/lib64/go/1.12/src/runtime/asm_amd64.s:1337 +0x1 fp=0xc000687fc8 sp=0xc000687fc0 pc=0x45ca51
created by github.com/nspcc-dev/neo-go/pkg/network.(*Server).handleMessage
        /home/rik/dev/neo-go/pkg/network/server.go:705 +0xa4a
...
2020-03-04 20:26:18 +03:00
.circleci *: move all packages from CityOfZion to nspcc-dev 2020-03-03 17:21:42 +03:00
.docker Add possibility to import different dump of chains 2020-01-28 13:29:13 +03:00
.github add new neo logo with gopher 2019-10-22 19:48:22 +03:00
cli *: move all packages from CityOfZion to nspcc-dev 2020-03-03 17:21:42 +03:00
config *: move all packages from CityOfZion to nspcc-dev 2020-03-03 17:21:42 +03:00
docs docs: update RPC server documentation, add missing methods 2020-03-03 18:18:56 +03:00
examples *: move all packages from CityOfZion to nspcc-dev 2020-03-03 17:21:42 +03:00
integration *: move all packages from CityOfZion to nspcc-dev 2020-03-03 17:21:42 +03:00
pkg core: protect (*Blockchain).keyCache with a lock 2020-03-04 20:26:18 +03:00
scripts cli: add script for comparing storage dumps 2020-02-12 12:16:31 +03:00
.dockerignore Fix build node and docker-image 2019-08-26 19:32:09 +03:00
.gitignore compiler: move it up from vm 2019-12-03 18:23:46 +03:00
.gitmodules vm: implement json tests from neoVM 2019-11-06 16:22:56 +03:00
.travis.yml update minimum supported version of Go to 1.12 2019-09-10 20:30:54 +03:00
CHANGELOG.md CHANGELOG: fix typo 2020-02-19 17:26:10 +03:00
CONTRIBUTING.md *: move all packages from CityOfZion to nspcc-dev 2020-03-03 17:21:42 +03:00
Dockerfile Add single node chain dump to image 2020-01-28 13:04:13 +03:00
go.mod go.mod: fix dbft version, previous commit was wiped during "merge" 2020-03-04 19:32:15 +03:00
go.sum go.mod: fix dbft version, previous commit was wiped during "merge" 2020-03-04 19:32:15 +03:00
LICENSE.md LICENSE.md: rename from LICENCE.md 2019-08-20 18:47:08 +03:00
Makefile Update command to build and publish images 2020-01-28 13:03:18 +03:00
neo-go.service.template service file templating 2019-11-13 15:05:13 +03:00
README.md README: update contacts 2020-02-11 19:06:19 +03:00
ROADMAP.md update CHANGELOG and ROADMAP, release 0.72.0 2020-02-06 21:35:43 +03:00

README.md

logo

Go Node and SDK for the NEO blockchain.

codecov CircleCI Report GoDoc GitHub release (latest SemVer) License

Overview

This project aims to be a full port of the original C# NEO project. A complete toolkit for the NEO blockchain, including:

Getting started

Installation

Go: 1.12+

Install dependencies.

neo-go uses GoModules as dependency manager:

make deps

How to setup a node

Docker

Each tagged build is built to docker hub and the :latest tag pointing at the latest tagged build.

By default the CMD is set to run a node on testnet, so to do this simply run:

 docker run -d --name neo-go -p 20332:20332 -p 20333:20333 cityofzion/neo-go

Which will start a node on testnet and expose the nodes port 20333 and 20332 for the JSON-RPC server.

Building

Build the neo-go CLI:

make build

Quick start a NEO node on the private network. This requires the neo-privatenet Docker image running on your machine.

make run

To run the binary directly:

./bin/neo-go node

By default the node will run on the private network, to change his:

./bin/neo-go node --mainnet

Available network flags:

  • --mainnet, -m
  • --privnet, -p
  • --testnet, -t

#Developer notes Nodes have such features as Prometheus and Pprof in order to have additional information about them for debugging.

How to configure Prometheus or Pprof: In config/protocol.*.yml there is

  Prometheus:
    Enabled: true
    Port: 2112

where you can switch on/off and define port. Prometheus is enabled and Pprof is disabled by default.

Contributing

Feel free to contribute to this project after reading the contributing guidelines.

Before starting to work on a certain topic, create an new issue first, describing the feature/topic you are going to implement.

Contact

License

  • Open-source MIT