def new_work(cls, header: str, block_num: int, boundary: str,
pub_key="", signature="", timeout=120):
start_time = datetime.utcnow()
expire_time = start_time + timedelta(seconds=timeout)
seed = ethash.block_num_to_seed(block_num)
seed = crypto.bytes_to_hex_str_0x(seed)
return cls(header=header, seed=seed, boundary=boundary,
pub_key=pub_key, signature=signature, block_num=block_num,
start_time=start_time, expire_time=expire_time)
def add_new_work(block_num, difficulty, timeout, node=0):
print(f"Generate a work for block {block_num}, difficulty {difficulty}")
header = crypto.rand_hex_str_0x(64)
seed = crypto.bytes_to_hex_str_0x(ethash.block_num_to_seed(block_num))
boundary = crypto.bytes_to_hex_str_0x(ethash.difficulty_to_boundary_divided(difficulty))
print(f" header : {header}")
print(f" seed : {seed}")
print(f" boundary : {boundary}")
pub_key = debug_data.nodes[node][0]
print(f"save work, timeout = {timeout}, pub_key = {pub_key}")
work = pow.PowWork.new_work(header, seed, boundary,
pub_key=pub_key, signature="",
timeout=timeout)
work = work.save()
if work:
print(f"success, {work}")
else:
print(f"failed")