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:
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",
