# vqr-python-async-rpc
Lightweight VQR async JSON-RPC Python client.
Serves as a tiny layer between an application and a VQRcoin daemon, its primary usage
is querying the current state of VQRcoin blockchain, network stats, transactions...
If you want complete Bitcoin experience in Python, consult
[python-bitcoinlib](https://github.com/petertodd/python-bitcoinlib).
## Installation
```bash
$ pip install vqrcoinrpc
```
## Supported methods
Here is a list of supported methods, divided by their categories. Should you need
method not implemented, wrap the call in `VqrcoinRPC.acall(<your_method>, ...)` coroutine.
### Blockchain
| Method | Supported? |
|---------------------|:----------:|
| `getbestblockhash` | ✔ |
| `getblock` | ✔ |
| `getblockchaininfo` | ✔ |
| `getblockcount` | ✔ |
| `getblockhash` | ✔ |
| `getblockheader` | ✔ |
| `getblockstats` | ✔ |
| `getchaintips` | ✔ |
| `getdifficulty` | ✔ |
| `getmempoolinfo` | ✔ |
| `getnetworkhashps` | ✔ |
### Mining
| Method | Supported? |
|-----------------|:----------:|
| `getmininginfo` | ✔ |
### Network
| Method | Supported? |
|----------------------|:----------:|
| `getconnectioncount` | ✔ |
| `getnetworkinfo` | ✔ |
### Raw transactions
| Method | Supported? |
|---------------------|:----------:|
| `analyzepsbt` | ✔ |
| `combinepsbt` | ✔ |
| `decodepsbt` | ✔ |
| `finalizepsbt` | ✔ |
| `getrawtransaction` | ✔ |
| `joinpsbts` | ✔ |
| `utxoupdatepsbt` | ✔ |
### Wallet
| Method | Supported? |
|--------------------------------|:----------:|
| `getbalance` | ✔ |
| `getwalletinfo` | ✔ |
| `listaddressgroupings` | ✔ |
| `sendtoaddress` | ✔ |
| `importpubkey` | ✔ |
| `getnewaddress` | ✔ |
| `listreceivedbyaddress` | ✔ |
| `listunspent` | ✔ |
| `signrawtransactionwithwallet` | ✔ |
| `createwallet` | ✔ |
| `walletpassphrase` | ✔ |
| `walletprocesspsbt` | ✔ |
## Usage
Minimal illustration (assuming Python 3.8+, where you can run `async` code in console)
listreceivedbyaddress
```
$ python -m asyncio
>>> import asyncio
>>>
>>> from vqrcoinrpc import VqrcoinRPC
>>> rpc = VqrcoinRPC.from_config("http://localhost:7332", ("rpc_user", "rpc_passwd"))
>>> await rpc.getconnectioncount()
10
>>> await rpc.aclose() # Clean-up resource
```
You can also use the `VqrcoinRPC` as an asynchronous context manager, which does
all the resource clean-up automatically, as the following example shows:
$ cat
vqr_rpc_minimal.py
```python
import asyncio
from vqrcoinrpc import VqrcoinRPC
async def main():
async with VqrcoinRPC.from_config("http://localhost:7332",
("rpc_user", "rpc_password")) as rpc:
print(await rpc.getconnectioncount())
if __name__ == "__main__":
asyncio.run(main())
```
Running this script yields:
```
$ python vqr_rpc_minimal.py
10
```
If you want customize the underlying `httpx.AsyncClient`, you can instantiate the `VqrcoinRPC` with one.
Consider the following script, where the client is configured to log every HTTP request before it is sent
out over the wire:
$ cat
vqr_custom_client.py
```python
import asyncio
import httpx
from vqrcoinrpc import VqrcoinRPC
async def log_request(request: httpx.Request) -> None:
print(request.content)
async def main() -> None:
client = httpx.AsyncClient(auth=("rpc_user", "rpc_password"),
event_hooks={"request": [log_request]})
async with VqrcoinRPC(url="http://localhost:7332", client=client) as rpc:
print(await rpc.getconnectioncount())
if __name__ == "__main__":
asyncio.run(main())
```
Running this script yields:
```
$ python vqr_custom_client.py
b'{"jsonrpc":"2.0","id":1,"method":"getconnectioncount","params":[]}'
0
```
## Testing
A `Containerfile` is provided as a means to build an OCI image of a Bitcoin `regtest` node.
Build the image (`podman` is used, but `docker` should be fine too):
```
$ podman build \
-f Containerfile \
--build-arg BTC_VERSION=v24.1 \
-t bitcoin-regtest:v24.1 \
-t bitcoin-regtest:latest \
.
```
and run it afterwards:
```
$ podman run \
--rm \
-it \
--mount=type=bind,src=./tests/bitcoin-regtest.conf,target=/home/rpc/.bitcoin/bitcoin.conf \
-p 127.0.0.1:18443:18443 \
--name bitcoin-regtest \
localhost/bitcoin-regtest:v24.1
```
which will expose the Bitcoin `regtest` node on port 18443, accesible from localhost only, with RPC user/password `rpc_user/rpc_password`.
After you are done testing, stop the container via:
```
$ podman stop bitcoin-regtest
```
---
If you want to test against a different version of Bitcoin node, pass a different [tag](https://github.com/bitcoin/bitcoin/tags) in the build stage:
```
$ podman build \
-f Containerfile \
--build-arg BTC_VERSION=v25.0 \
-t bitcoin-regtest:v25.0 \
-t bitcoin-regtest:latest \
.
```
---
Different settings of the Bitcoin node may be passed via mounting your custom configuration file, or optionally as "arguments" to `podman run`:
```
$ podman run \
--rm \
-it \
--mount=type=bind,src=<path/to/your/config_file>,target=/home/rpc/.bitcoin/bitcoin.conf \
-p 127.0.0.1:18443:18443 \
--name bitcoin-regtest \
localhost/bitcoin-regtest:v24.1 <your> <args> ...
```
---
Please, keep in mind that Bitcoin node compiled in the image is intended for testing & debugging purposes only! It may serve you as an inspiration for building
your own, production-ready Bitcoin node, but its intended usage is testing!
---
For testing this library, install `tox` (preferably, in a fresh virtual environment).
Afterwards, coding-style is enforced by running:
```
(your-venv-with-tox) $ tox run -e linters
```
and tests corresponding are run (this example uses Python3.11)
```
(your-venv-with-tox) $ tox run -e py311
```
If you do not want to run tests marked as `"integration"`, which denote those requiring the bitcoin regtest node to run, you can filter them out by:
```
(your-venv-with-tox) $ tox run -e py311 -- -m 'not integration'
```
## Changelog
- **2024/01/13 - 0.6.3**: Fix wallet RPC methods
- **2024/01/13 - 0.6.3**: Add wallet RPC methods
- **2024/01/13 - 0.6.2**: Add wallet RPC methods, from *coin fork
- **2023/06/04 - 0.6.1**: Add RPC methods, mainly concerned with PSBTs
- **2023/06/01 - 0.6.0**:
* `VqrcoinRPC` is now instantiated with a `httpx.AsyncClient` directly and an optional `counter` argument, which is a callable that may be used for distinguishing
the JSON-RPC requests. Old-style instantiation, with `url` and optional user/password tuple, is kept within `VqrcoinRPC.from_config` method.
- **2021/12/28 - 0.5.0** change the signature of `VqrcoinRPC` from `host, port, ...` to `url, ...`, delegating the creation of the node url to the caller.
## License
MIT
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"description": "# vqr-python-async-rpc\nLightweight VQR async JSON-RPC Python client.\n\nServes as a tiny layer between an application and a VQRcoin daemon, its primary usage\nis querying the current state of VQRcoin blockchain, network stats, transactions...\n\nIf you want complete Bitcoin experience in Python, consult\n[python-bitcoinlib](https://github.com/petertodd/python-bitcoinlib).\n\n## Installation\n```bash\n$ pip install vqrcoinrpc\n```\n\n## Supported methods\nHere is a list of supported methods, divided by their categories. Should you need\nmethod not implemented, wrap the call in `VqrcoinRPC.acall(<your_method>, ...)` coroutine.\n\n### Blockchain\n\n| Method | Supported? |\n|---------------------|:----------:|\n| `getbestblockhash` | \u2714 |\n| `getblock` | \u2714 |\n| `getblockchaininfo` | \u2714 |\n| `getblockcount` | \u2714 |\n| `getblockhash` | \u2714 |\n| `getblockheader` | \u2714 |\n| `getblockstats` | \u2714 |\n| `getchaintips` | \u2714 |\n| `getdifficulty` | \u2714 |\n| `getmempoolinfo` | \u2714 |\n| `getnetworkhashps` | \u2714 |\n\n### Mining\n\n| Method | Supported? |\n|-----------------|:----------:|\n| `getmininginfo` | \u2714 |\n\n### Network\n\n| Method | Supported? |\n|----------------------|:----------:|\n| `getconnectioncount` | \u2714 |\n| `getnetworkinfo` | \u2714 |\n\n### Raw transactions\n\n| Method | Supported? |\n|---------------------|:----------:|\n| `analyzepsbt` | \u2714 |\n| `combinepsbt` | \u2714 |\n| `decodepsbt` | \u2714 |\n| `finalizepsbt` | \u2714 |\n| `getrawtransaction` | \u2714 |\n| `joinpsbts` | \u2714 |\n| `utxoupdatepsbt` | \u2714 |\n\n### Wallet\n\n| Method | Supported? |\n|--------------------------------|:----------:|\n| `getbalance` | \u2714 |\n| `getwalletinfo` | \u2714 |\n| `listaddressgroupings` | \u2714 |\n| `sendtoaddress` | \u2714 |\n| `importpubkey` | \u2714 |\n| `getnewaddress` | \u2714 |\n| `listreceivedbyaddress` | \u2714 |\n| `listunspent` | \u2714 |\n| `signrawtransactionwithwallet` | \u2714 |\n| `createwallet` | \u2714 |\n| `walletpassphrase` | \u2714 |\n| `walletprocesspsbt` | \u2714 |\n\n## Usage\nMinimal illustration (assuming Python 3.8+, where you can run `async` code in console)\nlistreceivedbyaddress\n```\n$ python -m asyncio\n>>> import asyncio\n>>>\n>>> from vqrcoinrpc import VqrcoinRPC\n>>> rpc = VqrcoinRPC.from_config(\"http://localhost:7332\", (\"rpc_user\", \"rpc_passwd\"))\n>>> await rpc.getconnectioncount()\n10\n>>> await rpc.aclose() # Clean-up resource\n```\n\nYou can also use the `VqrcoinRPC` as an asynchronous context manager, which does\nall the resource clean-up automatically, as the following example shows:\n\n$ cat\nvqr_rpc_minimal.py\n\n```python\n\nimport asyncio\n\nfrom vqrcoinrpc import VqrcoinRPC\n\n\nasync def main():\n async with VqrcoinRPC.from_config(\"http://localhost:7332\",\n (\"rpc_user\", \"rpc_password\")) as rpc:\n print(await rpc.getconnectioncount())\n\n\nif __name__ == \"__main__\":\n asyncio.run(main())\n```\n\nRunning this script yields:\n```\n$ python vqr_rpc_minimal.py\n10\n```\n\nIf you want customize the underlying `httpx.AsyncClient`, you can instantiate the `VqrcoinRPC` with one.\nConsider the following script, where the client is configured to log every HTTP request before it is sent\nout over the wire:\n\n$ cat\nvqr_custom_client.py\n\n```python\n\nimport asyncio\n\nimport httpx\n\nfrom vqrcoinrpc import VqrcoinRPC\n\n\nasync def log_request(request: httpx.Request) -> None:\n print(request.content)\n\n\nasync def main() -> None:\n client = httpx.AsyncClient(auth=(\"rpc_user\", \"rpc_password\"),\n event_hooks={\"request\": [log_request]})\n async with VqrcoinRPC(url=\"http://localhost:7332\", client=client) as rpc:\n print(await rpc.getconnectioncount())\n\n\nif __name__ == \"__main__\":\n asyncio.run(main())\n```\n\nRunning this script yields:\n\n```\n$ python vqr_custom_client.py \nb'{\"jsonrpc\":\"2.0\",\"id\":1,\"method\":\"getconnectioncount\",\"params\":[]}'\n0\n```\n\n## Testing\n\nA `Containerfile` is provided as a means to build an OCI image of a Bitcoin `regtest` node.\nBuild the image (`podman` is used, but `docker` should be fine too):\n\n```\n$ podman build \\\n -f Containerfile \\\n --build-arg BTC_VERSION=v24.1 \\\n -t bitcoin-regtest:v24.1 \\\n -t bitcoin-regtest:latest \\\n .\n```\n\nand run it afterwards:\n\n```\n$ podman run \\\n --rm \\\n -it \\\n --mount=type=bind,src=./tests/bitcoin-regtest.conf,target=/home/rpc/.bitcoin/bitcoin.conf \\\n -p 127.0.0.1:18443:18443 \\\n --name bitcoin-regtest \\\n localhost/bitcoin-regtest:v24.1\n```\n\nwhich will expose the Bitcoin `regtest` node on port 18443, accesible from localhost only, with RPC user/password `rpc_user/rpc_password`.\n\nAfter you are done testing, stop the container via:\n\n```\n$ podman stop bitcoin-regtest\n```\n\n---\n\nIf you want to test against a different version of Bitcoin node, pass a different [tag](https://github.com/bitcoin/bitcoin/tags) in the build stage:\n\n```\n$ podman build \\\n -f Containerfile \\\n --build-arg BTC_VERSION=v25.0 \\\n -t bitcoin-regtest:v25.0 \\\n -t bitcoin-regtest:latest \\\n .\n```\n\n---\n\nDifferent settings of the Bitcoin node may be passed via mounting your custom configuration file, or optionally as \"arguments\" to `podman run`:\n\n\n```\n$ podman run \\\n --rm \\\n -it \\\n --mount=type=bind,src=<path/to/your/config_file>,target=/home/rpc/.bitcoin/bitcoin.conf \\\n -p 127.0.0.1:18443:18443 \\\n --name bitcoin-regtest \\\n localhost/bitcoin-regtest:v24.1 <your> <args> ...\n```\n\n---\n\nPlease, keep in mind that Bitcoin node compiled in the image is intended for testing & debugging purposes only! It may serve you as an inspiration for building\nyour own, production-ready Bitcoin node, but its intended usage is testing!\n\n---\n\nFor testing this library, install `tox` (preferably, in a fresh virtual environment).\n\nAfterwards, coding-style is enforced by running:\n\n```\n(your-venv-with-tox) $ tox run -e linters\n```\n\nand tests corresponding are run (this example uses Python3.11)\n\n```\n(your-venv-with-tox) $ tox run -e py311\n```\n\nIf you do not want to run tests marked as `\"integration\"`, which denote those requiring the bitcoin regtest node to run, you can filter them out by:\n\n```\n(your-venv-with-tox) $ tox run -e py311 -- -m 'not integration'\n```\n\n\n## Changelog\n\n- **2024/01/13 - 0.6.3**: Fix wallet RPC methods\n- **2024/01/13 - 0.6.3**: Add wallet RPC methods\n- **2024/01/13 - 0.6.2**: Add wallet RPC methods, from *coin fork\n- **2023/06/04 - 0.6.1**: Add RPC methods, mainly concerned with PSBTs\n- **2023/06/01 - 0.6.0**:\n * `VqrcoinRPC` is now instantiated with a `httpx.AsyncClient` directly and an optional `counter` argument, which is a callable that may be used for distinguishing\n the JSON-RPC requests. 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