cryptogalaxy
Protobuf
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cryptogalaxy | Protobuf | |
---|---|---|
22 | 171 | |
111 | 63,657 | |
- | 1.1% | |
0.0 | 10.0 | |
over 2 years ago | 1 day ago | |
Go | C++ | |
MIT License | GNU General Public License v3.0 or later |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
cryptogalaxy
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Cryptocurrencies ticker and trade data in real time from multiple exchanges
Hey All,
I am the original author of the app. This is an update to the project.
Cryptogalaxy [0] is an app which will get any cryptocurrencies ticker and trade data in real time from multiple exchanges and then saves it in multiple storage systems.
Currently supported exchanges : FTX, Coinbase Pro, Binance, Bitfinex, BHEX, Huobi, Gateio, Kucoin, Bitstamp, Bybit, Probit, Gemini, Bitmart, Digifinex, AscendEX, Kraken, Binance US, OKEx, FTX US, HitBTC. Total 20.
Currently supported storages : Terminal Output, MySQL, Elasticsearch, InfluxDB, NATS, ClickHouse, S3. Total 7.
All feedback is welcome.
P.S Created fun twitter bot [1] using the app.
[0] : https://github.com/milkywaybrain/cryptogalaxy
- My £4 a month server can handle 4.2M requests a day
- Hey all, update about Cryptogalaxy app.
- Hey all, update about Cryptogalaxy, open source app built using Go.
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Show HN: Crypto data from multiple exchanges to multiple storage systems-Updated
Hey all, update about Cryptogalaxy app.
Cryptogalaxy is an open source app which will get any cryptocurrencies ticker and trade data in real time from multiple exchanges and then saves it in multiple storage systems.
Currently supported exchanges : FTX, Coinbase Pro, Binance, Bitfinex, HBTC, Huobi, Gateio, Kucoin, Bitstamp, Bybit, Probit, Gemini, Bitmart, Digifinex, AscendEX (total 15).
Currently supported storages : Terminal Output, MySQL, Elasticsearch, InfluxDB (total 4).
GitHub link : https://github.com/milkywaybrain/cryptogalaxy
Please use it for your purpose (price dashboard, metrics calculations, algo trading etc anything) and let me know both positive and negative feedback!
P.S I just created a fun twitter bot using the app. Please check it out.
- I created an app for getting cryptocurrencies ticker and trade data in real time from multiple exchanges
Protobuf
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Reverse Engineering Protobuf Definitions from Compiled Binaries
For at least 4 years protobuf has had decent support for self-describing messages (very similar to avro) as well as reflection
https://github.com/protocolbuffers/protobuf/blob/main/src/go...
Xgooglers trying to make do on the cheap will just create a Union of all their messages and include the message def in a self-describing message pattern. Super-sensitive network I/O can elide the message def (empty buffer) and any for RecordIO clone well file compression takes care of the definition.
Definitely useful to be able to dig out old defs but protobuf maintainers have surprisingly added useful features so you don’t have to.
Bonus points tho for extracting the protobuf defs that e.g. Apple bakes into their binaries.
- Show HN: AuthWin – Authenticator App for Windows
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Create Production-Ready SDKs With gRPC Gateway
gRPC Gateway is a protoc plugin that reads gRPC service definitions and generates a reverse proxy server that translates a RESTful JSON API into gRPC.
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Create Production-Ready SDKs with Goa
To use more recent versions of protoc in future applications, you can download them from the Protobuf repository.
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Roll your own auth with Rust and Protobuf
Use the Protobuf CLI protoc and the plugin protoc-gen-tonic.
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Add extra stuff to a “standard” encoding? Sure, why not
> didn’t find any standard for separating protobuf messages
The fact that protobufs are not self-delimiting is an endless source of frustration, but I know of 2 standards:
- SerializeDelimited* is part of the protobuf library: https://github.com/protocolbuffers/protobuf/blob/main/src/go...
- Riegeli is "a file format for storing a sequence of string records, typically serialized protocol buffers. It supports dense compression, fast decoding, seeking, detection and optional skipping of data corruption, filtering of proto message fields for even faster decoding, and parallel encoding": https://github.com/google/riegeli
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Block YouTube Ads on AppleTV by Decrypting and Stripping Ads from Profobuf
It looks like it is in fact universal. Just glancing at the code here, it looks like the tool searches any arbitrary file for bytes that look like encoded protobuf descriptors, specifically looking for bytes that are plausibly the beginning of a FileDescriptorProto message defined here:
https://github.com/protocolbuffers/protobuf/blob/main/src/go...
This takes advantage of the fact that such descriptors are commonly compiled into programs that use protobuf. The descriptors are usually embedded as constant byte arrays. That said, not all protobuf implementations embed the descriptors and those that do often have an option to inhibit such embedding (at the expense of losing some dynamic introspection features).
- How to learn to use protoc in 21 easily infuriating steps
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What's involved in protobuf encoding?
Not much. You can check the source code in https://github.com/protocolbuffers/protobuf. For example, for serializing a boolean in C#: https://github.com/protocolbuffers/protobuf/blob/main/csharp/src/Google.Protobuf/WritingPrimitives.cs#L165. Strings and objects are a bit more complicated, but it is all about turning the data into its byte representation.
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Trying To Solve The Confusion of Choice Between gRPC vs REST🕵
One of the key feature of gRPC is protobuf .proto file(nothing but just a contract for me between two communicator code components) This file and protobuff compiler is so mature, then it generates a direct client implementation using protoccompiler. ref
What are some alternatives?
azure-docs - Open source documentation of Microsoft Azure
FlatBuffers - FlatBuffers: Memory Efficient Serialization Library
binance-proxy - A websocket proxy written in GoLang, that caches the endpoints: klines, depth, ticker/24hr, and exchangeInfo. It resembles the Binance API behaviour. And has a primary usecase to eliminate ratelimits when querying the Binance API from a single IP.
SBE - Simple Binary Encoding (SBE) - High Performance Message Codec
bathyscaphe - Fast, highly configurable, cloud native dark web crawler.
MessagePack - MessagePack implementation for C and C++ / msgpack.org[C/C++]
django-query-profiler - Django query profiler - one profiler to rule them all. Shows queries, detects N+1 and gives recommendations on how to resolve them
cereal - A C++11 library for serialization
django-query-profil
Apache Parquet - Apache Parquet
tstream - Live streaming from your terminal
Bond - Bond is a cross-platform framework for working with schematized data. It supports cross-language de/serialization and powerful generic mechanisms for efficiently manipulating data. Bond is broadly used at Microsoft in high scale services.