funga

Signer and keystore daemon and library for cryptocurrency software development
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commit 1af7bdaacd3cefef372acb05b2988dd70e765021
parent 2a8782ad0473c6bb28fdea26c31f3b1afeb10025
Author: nolash <dev@holbrook.no>
Date:   Sun,  7 Feb 2021 11:55:40 +0100

Remove leading 0x00 from signature elements, add tx generation script

Diffstat:
MCHANGELOG | 1+
Mcrypto_dev_signer/eth/signer/defaultsigner.py | 4++++
Ascripts/generate.py | 152+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Msetup.py | 2+-
4 files changed, 158 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG b/CHANGELOG @@ -4,6 +4,7 @@ - Add transaction executor helper, with adapter helper for eth - Fix bitlength of integers in all tx fields before rlp encoding - Add tcp server + - Fix RLP encoding bug on signature elements with 0x00 in first position * 0.4.12 - Enforce hex strings in signer backend for sign message * 0.4.11 diff --git a/crypto_dev_signer/eth/signer/defaultsigner.py b/crypto_dev_signer/eth/signer/defaultsigner.py @@ -40,6 +40,10 @@ class ReferenceSigner(Signer): tx.v = v.to_bytes(int(byts), 'big') tx.r = z[:32] tx.s = z[32:64] + if tx.r[0] == 0: + tx.r = tx.r[1:] + if tx.s[0] == 0: + tx.r = tx.s[1:] return z diff --git a/scripts/generate.py b/scripts/generate.py @@ -0,0 +1,152 @@ +import uuid +import random +import json +import os +import logging +import time +import sha3 +import sys +from urllib.request import Request, urlopen + +from crypto_dev_signer.keystore import keyapi +from crypto_dev_signer.eth.transaction import EIP155Transaction +from crypto_dev_signer.eth.signer.defaultsigner import ReferenceSigner + +logging.basicConfig(level=logging.DEBUG) +logg = logging.getLogger() + +pk_input = sys.argv[1] + + +class pkGetter: + + def __init__(self, pk): + self.pk = pk + + def get(self, address, password=None): + return self.pk + + +def init(pk_hex): + pk_bytes = bytes.fromhex(pk_hex) + pk = keyapi.PrivateKey(pk_bytes) + + pubk = keyapi.private_key_to_public_key(pk) + address_hex = pubk.to_checksum_address() + + pk_getter = pkGetter(pk_bytes) + + signer = ReferenceSigner(pk_getter) + + return (signer, address_hex,) + + +def main(): + random.seed() + + (signer, address) = init(pk_input) + + req = Request('http://localhost:63545') + req.add_header('Content-Type', 'application/json') + o = { + 'jsonrpc': '2.0', + 'method': 'eth_getTransactionCount', + 'id': str(uuid.uuid4()), + 'params': [ + address, + 'pending', + ], + } + res = urlopen(req, json.dumps(o).encode('utf-8')) + o = json.loads(res.read().decode('utf-8')) + hx = o['result'][2:] + if len(hx) % 2 != 0: + hx = '0' + hx + nonce = int.from_bytes(bytes.fromhex(hx), 'big') + logg.debug('using nonce {} for {}'.format(nonce, address)) + + i = 0 + offset = nonce + while True: + gas_price = random.randint(1, 20) * 1000000000 + gas_limit = random.randint(21000, 8000000) + to = '0x' + os.urandom(20).hex() + value = random.randint(0, 2) * 100 + data = '0x' + if value > 0: + data += os.urandom(128).hex() + + tx = { + 'nonce': nonce, + 'from': "0xEB014f8c8B418Db6b45774c326A0E64C78914dC0", + 'gasPrice': gas_price, + 'gas': gas_limit, + 'to': to, + 'value': value, + 'data': data, + 'chainId': 8996, + } + + txe = EIP155Transaction(tx, nonce, 8996) + + sign_and_send(signer, txe) + + nonce += 1 + i += 1 + + logg.debug('tx {} ({}) ok'.format(nonce - offset + 1, nonce)) + + if i == 100: + logg.info('waiting a bit for node to catch up') + time.sleep(7) + i = 0 + + +def sign_and_send(signer, txe, save=True): + + signer.signTransaction(txe) + tx_raw = txe.rlp_serialize() + + h = sha3.keccak_256() + h.update(tx_raw) + tx_hash = h.digest().hex() + + if save: + f = open(os.path.join('tmp', tx_hash), 'w') + f.write(str(txe.serialize()) + '\n') + f.write(tx_raw.hex()) + f.close() + logg.info('sending tx {}'.format(tx_hash)) + + req = Request('http://localhost:63545') + req.add_header('Content-Type', 'application/json') + o = { + 'jsonrpc': '2.0', + 'method': 'eth_sendRawTransaction', + 'id': str(uuid.uuid4()), + 'params': [ + '0x' + tx_raw.hex(), + ], + } + res = urlopen(req, json.dumps(o).encode('utf-8')) + o = json.loads(res.read().decode('utf-8')) + logg.debug('response: {}'.format(o)) + if o.get('error') != None: + logg.error('error: {}'.format(o.get('error'))) + sys.exit(1) + + +def redo(): + + (signer, address) = init(pk_input) + + tx = {'nonce': 510, 'from': '0xEB014f8c8B418Db6b45774c326A0E64C78914dC0', 'gasPrice': 5000000000, 'gas': 6608539, 'to': '0x7fe37d3341b6044a3d9d84607b885db2a8ffda17', 'value': 100, 'data': '0xc2d9656585afddb615816c254fc99810e2b9bce6a27b7366f22c5e929960d7a8ce2d8a87d46826e6cee955d3594c772584712f6e11da929005b3b77bc0168f54ba6d38fbf3f9e9c5bf04abc799af46c34068998e14508135a3e9e6dda73bde0f306bf07c6e6558525f5d2744dc7c5ccc6161c2e7aad39214779a9dfb2ffdd466', 'chainId': 8996} + + txe = EIP155Transaction(tx, tx['nonce'], tx['chainId']) + + sign_and_send(signer, txe, save=False) + + +if __name__ == '__main__': + main() + #redo() diff --git a/setup.py b/setup.py @@ -24,7 +24,7 @@ f.close() setup( name="crypto-dev-signer", - version="0.4.13b12", + version="0.4.13rc1", description="A signer and keystore daemon and library for cryptocurrency software development", author="Louis Holbrook", author_email="dev@holbrook.no",