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#!/usr/bin/env python3
# Copyright (c) 2018-2022 The Bitcoin Core developers
# Distributed under the MIT software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
import os
import sys
import argparse
import json
def perform_pre_checks():
mock_result_path = os.path.join(os.getcwd(), "mock_result")
if os.path.isfile(mock_result_path):
with open(mock_result_path, "r", encoding="utf8") as f:
mock_result = f.read()
if mock_result[0]:
sys.stdout.write(mock_result[2:])
sys.exit(int(mock_result[0]))
def enumerate(args):
sys.stdout.write(json.dumps([{"fingerprint": "00000001", "type": "trezor", "model": "trezor_t"}]))
def getdescriptors(args):
xpub = "tpubD6NzVbkrYhZ4WaWSyoBvQwbpLkojyoTZPRsgXELWz3Popb3qkjcJyJUGLnL4qHHoQvao8ESaAstxYSnhyswJ76uZPStJRJCTKvosUCJZL5B"
sys.stdout.write(json.dumps({
"receive": [
"pkh([00000001/44h/1h/" + args.account + "']" + xpub + "/0/*)#aqllu46s",
"sh(wpkh([00000001/49h/1h/" + args.account + "']" + xpub + "/0/*))#5dh56mgg",
"wpkh([00000001/84h/1h/" + args.account + "']" + xpub + "/0/*)#h62dxaej",
"tr([00000001/86h/1h/" + args.account + "']" + xpub + "/0/*)#pcd5w87f"
],
"internal": [
"pkh([00000001/44h/1h/" + args.account + "']" + xpub + "/1/*)#v567pq2g",
"sh(wpkh([00000001/49h/1h/" + args.account + "']" + xpub + "/1/*))#pvezzyah",
"wpkh([00000001/84h/1h/" + args.account + "']" + xpub + "/1/*)#xw0vmgf2",
"tr([00000001/86h/1h/" + args.account + "']" + xpub + "/1/*)#svg4njw3"
]
}))
def displayaddress(args):
if args.fingerprint != "00000001":
return sys.stdout.write(json.dumps({"error": "Unexpected fingerprint", "fingerprint": args.fingerprint}))
expected_desc = {
"wpkh([00000001/84h/1h/0h/0/0]02c97dc3f4420402e01a113984311bf4a1b8de376cac0bdcfaf1b3ac81f13433c7)#3te6hhy7": "bcrt1qm90ugl4d48jv8n6e5t9ln6t9zlpm5th68x4f8g",
"sh(wpkh([00000001/49h/1h/0h/0/0]02c97dc3f4420402e01a113984311bf4a1b8de376cac0bdcfaf1b3ac81f13433c7))#kz9y5w82": "2N2gQKzjUe47gM8p1JZxaAkTcoHPXV6YyVp",
"pkh([00000001/44h/1h/0h/0/0]02c97dc3f4420402e01a113984311bf4a1b8de376cac0bdcfaf1b3ac81f13433c7)#q3pqd8wh": "n1LKejAadN6hg2FrBXoU1KrwX4uK16mco9",
"tr([00000001/86h/1h/0h/0/0]c97dc3f4420402e01a113984311bf4a1b8de376cac0bdcfaf1b3ac81f13433c7)#puqqa90m": "tb1phw4cgpt6cd30kz9k4wkpwm872cdvhss29jga2xpmftelhqll62mscq0k4g",
}
if args.desc not in expected_desc:
return sys.stdout.write(json.dumps({"error": "Unexpected descriptor", "desc": args.desc}))
return sys.stdout.write(json.dumps({"address": expected_desc[args.desc]}))
def signtx(args):
if args.fingerprint != "00000001":
return sys.stdout.write(json.dumps({"error": "Unexpected fingerprint", "fingerprint": args.fingerprint}))
with open(os.path.join(os.getcwd(), "mock_psbt"), "r", encoding="utf8") as f:
mock_psbt = f.read()
if args.fingerprint == "00000001" :
sys.stdout.write(json.dumps({
"psbt": mock_psbt,
"complete": True
}))
else:
sys.stdout.write(json.dumps({"psbt": args.psbt}))
parser = argparse.ArgumentParser(prog='./signer.py', description='External signer mock')
parser.add_argument('--fingerprint')
parser.add_argument('--chain', default='main')
parser.add_argument('--stdin', action='store_true')
subparsers = parser.add_subparsers(description='Commands', dest='command')
subparsers.required = True
parser_enumerate = subparsers.add_parser('enumerate', help='list available signers')
parser_enumerate.set_defaults(func=enumerate)
parser_getdescriptors = subparsers.add_parser('getdescriptors')
parser_getdescriptors.set_defaults(func=getdescriptors)
parser_getdescriptors.add_argument('--account', metavar='account')
parser_displayaddress = subparsers.add_parser('displayaddress', help='display address on signer')
parser_displayaddress.add_argument('--desc', metavar='desc')
parser_displayaddress.set_defaults(func=displayaddress)
parser_signtx = subparsers.add_parser('signtx')
parser_signtx.add_argument('psbt', metavar='psbt')
parser_signtx.set_defaults(func=signtx)
if not sys.stdin.isatty():
buffer = sys.stdin.read()
if buffer and buffer.rstrip() != "":
sys.argv.extend(buffer.rstrip().split(" "))
args = parser.parse_args()
perform_pre_checks()
args.func(args)
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