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

This commit is contained in:
nolash 2021-02-07 11:55:40 +01:00
parent 2a8782ad04
commit 1af7bdaacd
Signed by: lash
GPG Key ID: 21D2E7BB88C2A746
4 changed files with 158 additions and 1 deletions

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@ -4,6 +4,7 @@
- Add transaction executor helper, with adapter helper for eth - Add transaction executor helper, with adapter helper for eth
- Fix bitlength of integers in all tx fields before rlp encoding - Fix bitlength of integers in all tx fields before rlp encoding
- Add tcp server - Add tcp server
- Fix RLP encoding bug on signature elements with 0x00 in first position
* 0.4.12 * 0.4.12
- Enforce hex strings in signer backend for sign message - Enforce hex strings in signer backend for sign message
* 0.4.11 * 0.4.11

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@ -40,6 +40,10 @@ class ReferenceSigner(Signer):
tx.v = v.to_bytes(int(byts), 'big') tx.v = v.to_bytes(int(byts), 'big')
tx.r = z[:32] tx.r = z[:32]
tx.s = z[32:64] 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 return z

152
scripts/generate.py Normal file
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@ -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()

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@ -24,7 +24,7 @@ f.close()
setup( setup(
name="crypto-dev-signer", name="crypto-dev-signer",
version="0.4.13b12", version="0.4.13rc1",
description="A signer and keystore daemon and library for cryptocurrency software development", description="A signer and keystore daemon and library for cryptocurrency software development",
author="Louis Holbrook", author="Louis Holbrook",
author_email="dev@holbrook.no", author_email="dev@holbrook.no",