C++ SBE Sample Application

This sample application is designed to decode responses from multiple endpoints, when using Binance Spot API Simple Binary Encoding (SBE):

REST GET /api/v3/exchangeInfo
REST GET /api/v3/account
REST POST /api/v3/order
REST GET /api/v3/order
WebSocket exchangeInfo method

It decodes a payload from STDIN and prints it as JSON to STDOUT. This sample application is currently supported on Linux and macOS.

Getting Started

Clone the source code:

git clone git@github.com:binance/binance-sbe-cpp-sample-app.git

Navigate to the directory where the main.cpp file is located and use the following command to generate sbe-sample-app:

c++ -std=c++20 -Wextra -Wall -o sbe-sample-app ./main.cpp

Usage

Pipe REST ExchangeInfo SBE response into sbe-sample-app

The following command fetches the exchangeInfo SBE response from the REST API and has sbe-sample-app decode it and output it as JSON to STDOUT:

curl -X GET -H 'Accept: application/sbe' -H 'X-MBX-SBE: 1:0' \
    'https://api.binance.com/api/v3/exchangeInfo' \
    | ./sbe-sample-app

Pipe REST Account SBE response into sbe-sample-app

The following commands fetch the account SBE response from the REST API and have sbe-sample-app decode it and output it as JSON to STDOUT:

HMAC keys

hmac_api_key="<your_api_key>"; \
    hmac_secret_key="<your_secret_key>"; \
    url_sans_query="https://api.binance.com/api/v3/account"; \
    query="timestamp=$(date +%s000)"; \
    signature=$(echo -n "${query}" | openssl dgst -sha256 -hmac "${hmac_secret_key}"); \
    signature=${signature#*= }; \
    curl -X GET -H "X-MBX-APIKEY: ${hmac_api_key}" -H "Accept: application/sbe" -H "X-MBX-SBE: 1:0" \
    "${url_sans_query}?${query}&signature=${signature}" \
    | ./sbe-sample-app

RSA keys

rsa_api_key="<your_api_key>"; \
    rsa_secret_path="<pem_file_path>"; \
    url_sans_query="https://api.binance.com/api/v3/account"; \
    query="timestamp=$(date +%s000)"; \
    signature=$(echo -n "${query}" | openssl dgst -sha256 -sign "${rsa_secret_path}" | openssl enc -base64 -A); \
    signature=${signature#*= }; \
    curl -X GET -H "X-MBX-APIKEY: ${rsa_api_key}" -H "Accept: application/sbe" -H "X-MBX-SBE: 1:0" \
    "${url_sans_query}?${query}&signature=${signature}" \
    | ./sbe-sample-app

ED25519 keys

ed25519_api_key="<your_api_key>"; \
    ed25519_secret_path="<pem_file_path>"; \
    url_sans_query="https://api.binance.com/api/v3/account"; \
    query="timestamp=$(date +%s000)"; \
    echo -n "${query}" > to_be_signed.txt; \
    signature=$(openssl pkeyutl -sign -inkey "${ed25519_secret_path}" -rawin -in to_be_signed.txt | openssl enc -base64 -A); \
    signature=${signature#*= }; \
    curl -X GET -H "X-MBX-APIKEY: ${ed25519_api_key}" -H "Accept: application/sbe" -H "X-MBX-SBE: 1:0" \
    "${url_sans_query}?${query}&signature=${signature}" \
    | ./sbe-sample-app

Pipe REST New Order SBE response into sbe-sample-app

The following commands fetch the new order SBE response from the REST API when the newOrderRespType parameter is set to RESULT and have sbe-sample-app decode it and output it as JSON to STDOUT:

HMAC keys

hmac_api_key="<your_api_key>"; \
    hmac_secret_key="<your_secret_key>"; \
    url_sans_query="https://api.binance.com/api/v3/order"; \
    query="symbol=BNBUSDT&side=BUY&type=LIMIT&timeInForce=GTC&quantity=1&price=250&newOrderRespType=RESULT&timestamp=$(date +%s000)"; \
    signature=$(echo -n "${query}" | openssl dgst -sha256 -hmac "${hmac_secret_key}"); \
    signature=${signature#*= }; \
    curl -X POST -H "X-MBX-APIKEY: ${hmac_api_key}" -H "Accept: application/sbe" -H "X-MBX-SBE: 1:0" \
    "${url_sans_query}?${query}&signature=${signature}" \
    | ./sbe-sample-app

RSA keys

rsa_api_key="<your_api_key>"; \
    rsa_secret_path="<pem_file_path>"; \
    url_sans_query="https://api.binance.com/api/v3/order"; \
    query="symbol=BNBUSDT&side=BUY&type=LIMIT&timeInForce=GTC&quantity=1&price=250&newOrderRespType=RESULT&timestamp=$(date +%s000)"; \
    signature=$(echo -n "${query}" | openssl dgst -sha256 -sign "${rsa_secret_path}" | openssl enc -base64 -A); \
    signature=${signature#*= }; \
    curl -X POST -H "X-MBX-APIKEY: ${rsa_api_key}" -H "Accept: application/sbe" -H "X-MBX-SBE: 1:0" \
    "${url_sans_query}?${query}&signature=${signature}" \
    | ./sbe-sample-app

ED25519 keys

ed25519_api_key="<your_api_key>"; \
    ed25519_secret_path="<pem_file_path>"; \
    url_sans_query="https://api.binance.com/api/v3/order"; \
    query="symbol=BNBUSDT&side=BUY&type=LIMIT&timeInForce=GTC&quantity=1&price=250&newOrderRespType=RESULT&timestamp=$(date +%s000)"; \
    echo -n "${query}" > to_be_signed.txt; \
    signature=$(openssl pkeyutl -sign -inkey "${ed25519_secret_path}" -rawin -in to_be_signed.txt | openssl enc -base64 -A); \
    signature=${signature#*= }; \
    curl -X POST -H "X-MBX-APIKEY: ${ed25519_api_key}" -H "Accept: application/sbe" -H "X-MBX-SBE: 1:0" \
    "${url_sans_query}?${query}&signature=${signature}" \
    | ./sbe-sample-app

Pipe REST Query Order info SBE response into sbe-sample-app

The following commands fetch the order info SBE response from the REST API and have sbe-sample-app decode it and output it as JSON to STDOUT:

HMAC keys

hmac_api_key="<your_api_key>"; \
    hmac_secret_key="<your_secret_key>"; \
    order_id="<your order ID>"; \
    url_sans_query="https://api.binance.com/api/v3/order"; \
    query="symbol=BNBUSDT&orderId=${order_id}&timestamp=$(date +%s000)"; \
    signature=$(echo -n "${query}" | openssl dgst -sha256 -hmac "${hmac_secret_key}"); \
    signature=${signature#*= }; \
    curl -X GET -H "X-MBX-APIKEY: ${hmac_api_key}" -H "Accept: application/sbe" -H "X-MBX-SBE: 1:0" \
    "${url_sans_query}?${query}&signature=${signature}" \
    | ./sbe-sample-app

RSA keys

rsa_api_key="<your_api_key>"; \
    rsa_secret_path="<pem_file_path>"; \
    order_id="<your order ID>"; \
    url_sans_query="https://api.binance.com/api/v3/order"; \
    query="symbol=BNBUSDT&orderId=${order_id}&timestamp=$(date +%s000)"; \
    signature=$(echo -n "${query}" | openssl dgst -sha256 -sign "${rsa_secret_path}" | openssl enc -base64 -A); \
    signature=${signature#*= }; \
    curl -X GET -H "X-MBX-APIKEY: ${rsa_api_key}" -H "Accept: application/sbe" -H "X-MBX-SBE: 1:0" \
    "${url_sans_query}?${query}&signature=${signature}" \
    | ./sbe-sample-app

ED25519 keys

ed25519_api_key="<your_api_key>"; \
    ed25519_secret_path="<pem_file_path>"; \
    order_id="<your order ID>"; \
    url_sans_query="https://api.binance.com/api/v3/order"; \
    query="symbol=BNBUSDT&orderId=${order_id}&timestamp=$(date +%s000)"; \
    echo -n "${query}" > to_be_signed.txt; \
    signature=$(openssl pkeyutl -sign -inkey "${ed25519_secret_path}" -rawin -in to_be_signed.txt | openssl enc -base64 -A); \
    signature=${signature#*= }; \
    curl -X GET -H "X-MBX-APIKEY: ${ed25519_api_key}" -H "Accept: application/sbe" -H "X-MBX-SBE: 1:0" \
    "${url_sans_query}?${query}&signature=${signature}" \
    | ./sbe-sample-app

Pipe WebSocket ExchangeInfo SBE response into sbe-sample-app

The following command fetches the exchangeInfo SBE response from the WebSocket API and has sbe-sample-app decode it and output it as JSON to STDOUT:

echo '{"id":"93fb61ef-89f8-4d6e-b022-4f035a3fadad","method":"exchangeInfo","params":{"symbol":"BTCUSDT"}}' \
    | ./tools/websocket_send.py  'wss://ws-api.binance.com:443/ws-api/v3?responseFormat=sbe&sbeSchemaId=1&sbeSchemaVersion=0' \
    | ./sbe-sample-app

Notes

The code in the main.cpp file, along with the accompanying header files, is designed specifically for decoding the responses from the exchangeInfo, account, and order endpoints.
There are additional decoder classes in the spot_sbe folder that can be useful for decoding SBE responses from other endpoints in the Binance Spot API.

Testnet

To use the Spot Testnet API, you only need to replace:

api.binance.com with testnet.binance.vision for the REST API
ws-api.binance.com with testnet.binance.vision for the WebSocket API

Code formatting

The C++ code in this repository was formatted by running:

clang-format-15 -i --style '{BasedOnStyle: chromium, IndentWidth: 4, ColumnLimit: 100}' *.h *.cpp

Updates

C++ decoders

The spot_sbe directory contains code generated by simple-binary-encoding, which you will likely want to reuse verbatim. However, if you would like to update it, please navigate to the root of this project and follow these steps:

Download the schema file (spot_prod_latest.xml):

curl -o spot_latest.xml https://raw.githubusercontent.com/binance/binance-spot-api-docs/master/sbe/schemas/$(curl -s https://raw.githubusercontent.com/binance/binance-spot-api-docs/master/sbe/schemas/spot_prod_latest.xml)

Note: If you are using the Spot Testnet API, replace spot_prod_latest.xml with spot_testnet_latest.xml in the above curl command.

Clone & build simple-binary-encoding:

git clone https://github.com/real-logic/simple-binary-encoding.git --branch 1.30.0 \
    && cd simple-binary-encoding \
    && ./gradlew \
    && cd ..

Run the SBE tool code generator built in the previous step:

java \
    -Dsbe.output.dir=. \
    -Dsbe.target.language=Cpp \
    -jar simple-binary-encoding/sbe-all/build/libs/sbe-all-1.30.0.jar \
    spot_latest.xml

Name		Name	Last commit message	Last commit date
Latest commit History 13 Commits
spot_sbe		spot_sbe
tools		tools
.gitignore		.gitignore
LICENSE.md		LICENSE.md
README.md		README.md
account.h		account.h
decimal.h		decimal.h
error.h		error.h
exchange_info.h		exchange_info.h
get_order.h		get_order.h
json.h		json.h
main.cpp		main.cpp
post_order.h		post_order.h
self_trade_prevention_modes.h		self_trade_prevention_modes.h
util.h		util.h
web_socket_metadata.h		web_socket_metadata.h

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Repository files navigation

C++ SBE Sample Application

Getting Started

Usage

Pipe REST ExchangeInfo SBE response into sbe-sample-app

Pipe REST Account SBE response into sbe-sample-app

HMAC keys

RSA keys

ED25519 keys

Pipe REST New Order SBE response into sbe-sample-app

HMAC keys

RSA keys

ED25519 keys

Pipe REST Query Order info SBE response into sbe-sample-app

HMAC keys

RSA keys

ED25519 keys

Pipe WebSocket ExchangeInfo SBE response into sbe-sample-app

Notes

Testnet

Code formatting

Updates

C++ decoders

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binance/binance-sbe-cpp-sample-app

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Repository files navigation

C++ SBE Sample Application

Getting Started

Usage

Pipe REST ExchangeInfo SBE response into sbe-sample-app

Pipe REST Account SBE response into sbe-sample-app

HMAC keys

RSA keys

ED25519 keys

Pipe REST New Order SBE response into sbe-sample-app

HMAC keys

RSA keys

ED25519 keys

Pipe REST Query Order info SBE response into sbe-sample-app

HMAC keys

RSA keys

ED25519 keys

Pipe WebSocket ExchangeInfo SBE response into sbe-sample-app

Notes

Testnet

Code formatting

Updates

C++ decoders

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