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71 lines
1.6 KiB
71 lines
1.6 KiB
6 years ago
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#!/usr/bin/env python3
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"""Simple plugin to show how to build new plugins for c-lightning
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It demonstrates how a plugin communicates with c-lightning, how it registers
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command line arguments that should be passed through and how it can register
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JSON-RPC commands. We communicate with the main daemon through STDIN and STDOUT,
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reading and writing JSON-RPC requests.
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"""
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import json
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import sys
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greeting = "World"
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def json_hello(request):
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greeting = "Hello {}".format(request['params']['name'])
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return greeting
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def json_getmanifest(request):
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global greeting
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return {
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"options": [
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{"name": "greeting",
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"type": "string",
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"default": greeting,
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"description": "What name should I call you?"},
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],
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"rpcmethods": [
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{
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"name": "hello",
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"description": "Returns a personalized greeting for {name}",
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},
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]
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}
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def json_init(request):
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"""The main daemon is telling us the relevant cli options
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"""
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global greeting
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greeting = request['params']['options']['greeting']
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return "ok"
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methods = {
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'hello': json_hello,
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'getmanifest': json_getmanifest,
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'init': json_init,
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}
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partial = ""
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for l in sys.stdin:
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partial += l
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try:
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request = json.loads(partial)
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result = {
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"jsonrpc": "2.0",
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"result": methods[request['method']](request),
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"id": request['id']
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}
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json.dump(result, fp=sys.stdout)
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sys.stdout.write('\n')
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sys.stdout.flush()
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partial = ""
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except Exception:
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pass
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