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gs++ | SLP Graph Search Server

WIP

In-memory SLP Graph Search server.

Install

Install Third Party Libs

Install recent version of Boost

Install SWIG 3

Follow this guide to install gRPC and Protobuf for your system if it is not already installed.

Condensed install for Debian 10 (Buster)

Install Boost, SWIG, GRPC C++ & Protobuf from Debian repositories
sudo apt install libboost-all-dev swig libgrpc++-dev protobuf-compiler-grpc
Install compilation essentials, including libgmp and libzmq libraries.
sudo apt install apt-transport-https curl gnupg build-essential autoconf libtool pkg-config cmake libgmp-dev libgmp3-dev libzmq3-dev
Git Clone This Repo

git clone https://github.com/blockparty-sh/cpp_slp_graph_search.git

cd cpp_slp_graph_search

Continue to build.

Build

The initial build might take a long time to download and build required dependencies, so grab some coffee.

From root directory build like normal CMake program.

mkdir build
cd build
cmake ..
make -j

You can use -DCMAKE_BUILD_TYPE=Debug for debug build.

Troubleshooting during building

  • If you have issues compiling successfully but can't find the error...

Run make without the -j switch. ex. make Since -j switch builds parallelized the true error for the build failure gets lost. Disabling the parallel compile will let you zero in on the failure.

  • Compilation with -j requires at least 8gb of ram.

If you receive errors such as c++: fatal error: Killed signal terminated program cc1plus you are running out of ram. Again, build without -j or get more ram.

Running

Executables are deposited into the /build/bin subdir after a successful build.

Make sure you have bitcoind running and the following options enabled:

txindex=1
server=1
rpcuser=bitcoin
rpcpassword=password
rpcport=8332
rpcworkqueue=10000
rpcthreads=8
zmqpubhashtx=tcp://*:28332
zmqpubrawtx=tcp://*:28332
zmqpubhashblock=tcp://*:28332
zmqpubrawblock=tcp://*:28332

gs++

This is the server portion. You will pass a config file to it as the only argument.

./bin/gs++ ../config.toml

REST

There is also a simple JSON server in ./server/proxy as an alternative to connecting via gRPC.

gs++-cli

You can query the server using the cli program to test.

./bin/gs++-cli --validate 508e543ff30ffe670e30ebd281ab25ebe6767071e87decbb958230a7760936ae

txdecoder

This is a small utility to debug SLP transactions. Just pass the txdata as hex as the only argument.

./bin/txdecoder 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

blockdecoder

This is a small utility to debug cached blocks. Just pass the blockdata as hex as the only argument.

./bin/blockdecoder `xxd -c10000000000 -p ../cache/slp/610/610104`

unit tests

We have a few unit tests, please help add to these. Many of the tests come from the slp-unit-test-data repository.

./bin/unit-test

Fuzzing

Please read the README which will describe how to set this up.

Integration

You can use any grpc client to connect to a running server. It is recommended you disable max message size. Use the definitions in the ./pb directory.

TODO

gs++: look into sending txs and early exit based on that

add grpc queries for look up slp utxos by scriptpubkey look up slp utxos for a specific token by scriptpubkey look up all utxos for a specific token by scriptpubkey look up slp utxo look up slp token (stats/details + minting baton)

rollback using transactions instead of input/output rollback slp as well

track block headers so we know when to automatically rollback

rest: add broadcast endpoint add gettxproof endpoint

look up slp utxos by scriptpubkey
look up slp utxos for a specific token by scriptpubkey
look up all utxos for a specific token by scriptpubkey
look up slp utxo
look up slp token (stats/details + minting baton)

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