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https://github.com/varun-r-mallya/py-libp2p.git
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50 lines
1.3 KiB
Python
50 lines
1.3 KiB
Python
import secrets
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import trio
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from libp2p import (
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new_host,
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)
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from libp2p.crypto.secp256k1 import (
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create_new_key_pair,
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)
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from libp2p.utils.address_validation import (
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get_available_interfaces,
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get_optimal_binding_address,
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)
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async def main():
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# Create a key pair for the host
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secret = secrets.token_bytes(32)
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key_pair = create_new_key_pair(secret)
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# Create a host with the key pair
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host = new_host(key_pair=key_pair, enable_quic=True)
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# Configure the listening address using the new paradigm
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port = 8000
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listen_addrs = get_available_interfaces(port, protocol="udp")
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# Convert TCP addresses to QUIC-v1 addresses
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quic_addrs = []
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for addr in listen_addrs:
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addr_str = str(addr).replace("/tcp/", "/udp/") + "/quic-v1"
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from multiaddr import Multiaddr
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quic_addrs.append(Multiaddr(addr_str))
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optimal_addr = get_optimal_binding_address(port, protocol="udp")
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optimal_quic_str = str(optimal_addr).replace("/tcp/", "/udp/") + "/quic-v1"
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# Start the host
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async with host.run(listen_addrs=quic_addrs):
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print("libp2p has started with QUIC transport")
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print("libp2p is listening on:", host.get_addrs())
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print(f"Optimal address: {optimal_quic_str}")
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# Keep the host running
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await trio.sleep_forever()
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# Run the async function
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trio.run(main)
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