138 lines
3.7 KiB
Python
138 lines
3.7 KiB
Python
import json
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import os
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import signal
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import subprocess
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from pathlib import Path
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import web3
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from pystarport import ports
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from web3.middleware import geth_poa_middleware
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from .cosmoscli import CosmosCLI
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from .utils import wait_for_port
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DEFAULT_CHAIN_BINARY = "laconicd"
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class Ethermint:
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def __init__(self, base_dir, chain_binary=DEFAULT_CHAIN_BINARY):
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self._w3 = None
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self.base_dir = base_dir
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self.config = json.loads((base_dir / "config.json").read_text())
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self.enable_auto_deployment = False
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self._use_websockets = False
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self.chain_binary = chain_binary
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def copy(self):
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return Ethermint(self.base_dir)
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@property
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def w3_http_endpoint(self, i=0):
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port = ports.evmrpc_port(self.base_port(i))
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return f"http://localhost:{port}"
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@property
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def w3_ws_endpoint(self, i=0):
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port = ports.evmrpc_ws_port(self.base_port(i))
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return f"ws://localhost:{port}"
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@property
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def w3(self, i=0):
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if self._w3 is None:
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if self._use_websockets:
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self._w3 = web3.Web3(
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web3.providers.WebsocketProvider(self.w3_ws_endpoint)
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)
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else:
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self._w3 = web3.Web3(web3.providers.HTTPProvider(self.w3_http_endpoint))
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return self._w3
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def base_port(self, i):
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return self.config["validators"][i]["base_port"]
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def node_rpc(self, i):
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return "tcp://127.0.0.1:%d" % ports.rpc_port(self.base_port(i))
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def use_websocket(self, use=True):
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self._w3 = None
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self._use_websockets = use
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def cosmos_cli(self, i=0):
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return CosmosCLI(
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self.base_dir / f"node{i}", self.node_rpc(i), self.chain_binary
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)
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class Geth:
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def __init__(self, w3):
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self.w3 = w3
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def setup_ethermint(path, base_port):
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cfg = Path(__file__).parent / "configs/default.jsonnet"
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yield from setup_custom_ethermint(path, base_port, cfg)
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def setup_geth(path, base_port):
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with (path / "geth.log").open("w") as logfile:
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cmd = [
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"start-geth",
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path,
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"--http.port",
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str(base_port),
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"--port",
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str(base_port + 1),
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]
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print(*cmd)
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proc = subprocess.Popen(
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cmd,
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preexec_fn=os.setsid,
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stdout=logfile,
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stderr=subprocess.STDOUT,
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)
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try:
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wait_for_port(base_port)
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w3 = web3.Web3(web3.providers.HTTPProvider(f"http://127.0.0.1:{base_port}"))
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w3.middleware_onion.inject(geth_poa_middleware, layer=0)
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yield Geth(w3)
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finally:
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os.killpg(os.getpgid(proc.pid), signal.SIGTERM)
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# proc.terminate()
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proc.wait()
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def setup_custom_ethermint(
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path, base_port, config, post_init=None, chain_binary=None, wait_port=True
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):
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cmd = [
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"pystarport",
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"init",
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"--config",
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config,
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"--data",
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path,
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"--base_port",
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str(base_port),
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"--no_remove",
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]
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if chain_binary is not None:
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cmd = cmd[:1] + ["--cmd", chain_binary] + cmd[1:]
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print(*cmd)
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subprocess.run(cmd, check=True)
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if post_init is not None:
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post_init(path, base_port, config)
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proc = subprocess.Popen(
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["pystarport", "start", "--data", path, "--quiet"],
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preexec_fn=os.setsid,
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)
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try:
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if wait_port:
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wait_for_port(ports.evmrpc_port(base_port))
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wait_for_port(ports.evmrpc_ws_port(base_port))
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yield Ethermint(
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path / "ethermint_9000-1", chain_binary=chain_binary or DEFAULT_CHAIN_BINARY
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)
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finally:
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os.killpg(os.getpgid(proc.pid), signal.SIGTERM)
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proc.wait()
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