Files
darkfi/bin/explorer/python/explorer.py

115 lines
3.3 KiB
Python
Executable File

#!/usr/bin/env python3
from datetime import datetime, timezone
from quart import Quart, render_template, abort, g
from rpc_client import JsonRpcPool, JsonRpcError
app = Quart(__name__)
app.config.update(
RPC_HOST="127.0.0.1",
RPC_PORT="22222",
RPC_MIN_CONNECTIONS=5,
RPC_MAX_CONNECTIONS=50,
NETWORK="testnet",
)
# Global pool
rpc: JsonRpcPool = None
@app.before_serving
async def startup():
global rpc
rpc = JsonRpcPool(
host=app.config["RPC_HOST"],
port=app.config["RPC_PORT"],
min_connections=app.config["RPC_MIN_CONNECTIONS"],
max_connections=app.config["RPC_MAX_CONNECTIONS"],
)
await rpc.start()
app.logger.info(f"RPC pool started: {app.config['RPC_HOST']}:{app.config['RPC_PORT']}")
@app.after_serving
async def shutdown():
await rpc.close()
app.logger.info("RPC pool closed")
@app.errorhandler(JsonRpcError)
async def handle_rpc_error(error: JsonRpcError):
app.logger.error(f"RPC Error: {error.code} - {error.message}")
if error.code == -32600:
abort(404)
return await render_template("error.html", error=error.message), 500
@app.errorhandler(ConnectionError)
async def handle_connection_error(error):
app.logger.error(f"RPC Connection Error: {error}")
return await render_template("error.html", error="Service temporarily unavailable"), 503
@app.route("/")
async def index():
current_difficulty = await rpc.call("current_difficulty", params=[])
current_height = await rpc.call("current_height", params=[])
latest_blocks = await rpc.call("latest_blocks", params=[20])
# TODO: hashrate
# TODO: emission
# TODO: mempool_txs = await rpc.call("mempool", params=[])
for block in latest_blocks:
dt = datetime.fromtimestamp(block["timestamp"], tz=timezone.utc)
block["timestamp"] = dt.strftime("%B %d, %Y at %I:%M %p UTC")
return await render_template(
"index.html",
network=app.config["NETWORK"],
current_difficulty=current_difficulty[0],
current_height=current_height,
#mempool_txs=mempool_txs,
#mempool_txs_len=len(mempool_txs),
latest_blocks=latest_blocks,
)
@app.route("/block/<int:block_height>")
async def get_block_by_height(block_height: int):
current_difficulty = await rpc.call("current_difficulty", params=[])
current_height = await rpc.call("current_height", params=[])
block = await rpc.call("get_block", params=[block_height])
dt = datetime.fromtimestamp(block["timestamp"], tz=timezone.utc)
block["timestamp"] = dt.strftime("%B %d, %Y at %I:%M %p UTC")
block["n_txs"] = len(block["txs"])
return await render_template(
"block.html",
network=app.config["NETWORK"],
current_difficulty=current_difficulty[0],
current_height=current_height,
block=block,
)
@app.route("/tx/<tx_hash>")
async def get_tx_by_hash(tx_hash: str):
current_difficulty = await rpc.call("current_difficulty", params=[])
current_height = await rpc.call("current_height", params=[])
tx = await rpc.call("get_tx", params=[tx_hash])
return await render_template(
"tx.html",
network=app.config["NETWORK"],
current_difficulty=current_difficulty[0],
current_height=current_height,
tx=tx,
)
if __name__ == "__main__":
app.run(host="127.0.0.1", port=5000, debug=True)