我正在尝试将第一个模块添加到供应链中,因为验证程序不接受批次。
[2019-11-05 17:40:31.594 DEBUG publisher] Batch c14df4b31bd7d52cf033a0eb1436b98be3d9ff6b06affbd73ae55f11a7cc0cc33aa6f160f7712d628e2ac644b4b1804e3156bc8190694cb9c468f4ec70b9eb05 invalid,not added to block.
[2019-11-05 17:40:31.595 DEBUG publisher] Abandoning block (1,S:,P:eb6af88e): no batches added
我在Ubuntu 16.04上安装了Sawtooth和供应链。我正在使用以下Python代码发送事务。我不确定有效载荷。我是从fish客户示例的样本数据中获得的。也许有必要更改密钥吗?
#Creating a Private Key and Signer
from sawtooth_signing import create_context
from sawtooth_signing import CryptoFactory
from hashlib import sha512
context = create_context('secp256k1')
private_key = context.new_random_private_key()
signer = CryptoFactory(context).new_signer(private_key)
public_key = signer.get_public_key()
#Encoding Your Payload
import cbor
payload = {
"username": "ahab","password": "ahab","publicKey": public_key.as_hex(),"name": "Ahab","email": "ahab@pequod.net","privateKey": "063f9ca21d4ef4955f3e120374f7c22272f42106c466a91d01779efba22c2cb6","encryptedKey": "{\"iv\":\"sKGty1gSvZGmCwzkGy0vvg==\",\"v\":1,\"iter\":10000,\"ks\":128,\"ts\":64,\"mode\":\"ccm\",\"adata\":\"\",\"cipher\":\"aes\",\"salt\":\"lYT7rTJpTV0=\",\"ct\":\"taU8UNB5oJrquzEiXBV+rTTnEq9XmaO9BKeLqqWWuyXJdZ6wR9G+FYrKPkYnXc30iS/9amSG272C8qqnPdM4OE0dvjIdWgSd\"}","hashedPassword": "KNYr+guWkg77DbaWofgK72LrNdaQzzJGIkk2rEHqP9Y="
}
payload_bytes = cbor.dumps(payload)
#Create the Transaction Header
from hashlib import sha512
from sawtooth_sdk.protobuf.transaction_pb2 import TransactionHeader
txn_header_bytes = TransactionHeader(
family_name='supply_chain',family_version='1.1',#inputs=[],#outputs=[],signer_public_key=signer.get_public_key().as_hex(),# In this example,we're signing the batch with the same private key,# but the batch can be signed by another party,in which case,the
# public key will need to be associated with that key.
batcher_public_key=signer.get_public_key().as_hex(),there are no dependencies. This list should include
# an previous transaction header signatures that must be applied for
# this transaction to successfully commit.
# For example,# dependencies=['540a6803971d1880ec73a96cb97815a95d374cbad5d865925e5aa0432fcf1931539afe10310c122c5eaae15df61236079abbf4f258889359c4d175516934484a'],dependencies=[],payload_sha512=sha512(payload_bytes).hexdigest()
).SerializeToString()
#Create the Transaction
from sawtooth_sdk.protobuf.transaction_pb2 import Transaction
signature = signer.sign(txn_header_bytes)
txn = Transaction(
header=txn_header_bytes,header_signature=signature,payload= payload_bytes
)
#Create the BatchHeader
from sawtooth_sdk.protobuf.batch_pb2 import BatchHeader
txns = [txn]
batch_header_bytes = BatchHeader(
signer_public_key=signer.get_public_key().as_hex(),transaction_ids=[txn.header_signature for txn in txns],).SerializeToString()
#Create the Batch
from sawtooth_sdk.protobuf.batch_pb2 import Batch
signature = signer.sign(batch_header_bytes)
batch = Batch(
header=batch_header_bytes,transactions=txns
)
#Encode the Batch(es) in a BatchList
from sawtooth_sdk.protobuf.batch_pb2 import BatchList
batch_list_bytes = BatchList(batches=[batch]).SerializeToString()
#Submitting Batches to the Validator
import urllib.request
from urllib.error import HTTPError
try:
request = urllib.request.Request(
'http://localhost:8008/batches',batch_list_bytes,method='POST',headers={'Content-Type': 'application/octet-stream'})
response = urllib.request.urlopen(request)
except HTTPError as e:
response = e.file