def view_chain(request):
#查看区块
chain = utils.full_chain()
print(chain)
project_id = request.GET.get('pr')
return render(request, 'jiuchai/blockchains.html', {'blocks': chain})
def count_somebody_mining_time(sender):
chains = utils.full_chain()
count = 0
for block in chains['chain']:
for tran in block['transactions']:
if tran['sender'] == sender and tran['mining_time']:
count += int(tran['mining_time'])
return count
def find_prove_dic(pro_id):
"""
:param pro_id:
:return: 资料字典 {'文件名'：'数据'}
"""
chain = utils.full_chain()
for block in chain['chain']:
if int(pro_id) in block['companyID'] and 'company_prove' in block.keys(
):
return block['company_prove'][0]['company_prove'] #没有考虑资料更新
def count_somebody_amount(sender, cid):
"""
:param sender: 投资人
:param cid: 投资项目ID
:return: 投资人在此项目上投资总额
"""
chains = utils.full_chain()
count = 0
for block in chains['chain']:
if int(cid) in block['companyID']:
for tran in block['transactions']:
if tran['sender'] == sender and tran['companyID'] == cid:
count += int(tran['amount'])
return count
def render_project(cid):
"""
:param cid: 项目ID
:return: TR项目计划和回报
"""
tr = '<tr>'
chains = utils.full_chain()
for block in chains['chain']:
if 'introduction' in block.keys():
if block['introduction'][0]['companyID'] == int(cid):
tr += '<td>' + block['introduction'][0][
'brief'] + '</td><td>' + block['introduction'][0][
'award'] + '</td>'
return mark_safe(tr)
def find_user_project(email, types):
"""
:return: 返回用户所有交易的项目ID和对应的金额
{'companyID':amount,...}
"""
project_dict = {}
chain = utils.full_chain()
for block in chain['chain']:
if 'transactions' in block.keys():
for trans in block['transactions']:
if trans['sender'] == email and trans['status'] == types:
if trans['companyID'] in project_dict.keys():
project_dict[trans['companyID']] += trans['amount']
else:
project_dict[trans['companyID']] = trans['amount']
return project_dict
def count_project_amount(project):
"""
:param project:项目ID
:return: 项目名称筹资总额
"""
count = 0
chains = utils.full_chain()
for block in chains['chain']:
if int(project) in block['companyID']:
if 'transactions' in block.keys():
for tran in block['transactions']:
if 'companyID' in tran.keys() and 'status' in tran.keys():
if tran['companyID'] == int(
project) and tran['status'] == 'promise':
count += int(tran['amount'])
return count
def each_project_trans(cid):
"""
:param cid: 项目ID
:return: TR
"""
trs = []
tr = '<tr>'
chains = utils.full_chain()
for block in chains['chain']:
if int(cid) in block['companyID']:
if 'transactions' in block.keys():
for tran in block['transactions']:
if 'companyID' in tran.keys() and tran['companyID'] == int(
cid):
tr += '<td>'+str(block['index']) + '</td><td>'+tran['sender'] + '</td><td>' + tran['recipient'] +\
'</td><td>' + str(tran['amount']) + '</td><td>' + str(tran['status']) + '</td><td>' + \
str(tran['stage']) + '</td><td>'+render_time(tran['timestamp']) + '</td></tr>'
trs.append(tr)
tr = '<tr>'
final = ' '.join(trs)
return mark_safe(final)
def view_trans(request):
#查看区块交易
index = int(request.GET.get('index')) - 1
chain = utils.full_chain()
return render(request, 'jiuchai/blocktrans.html',
{'trans': chain['chain'][index]['transactions']})