-
Notifications
You must be signed in to change notification settings - Fork 14
/
Copy pathmpc_fund_collection.py
170 lines (143 loc) · 8.23 KB
/
mpc_fund_collection.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
from cobo_custody.client.mpc_client import MPCClient
from cobo_custody.config import DEVELOP_ENV
from cobo_custody.config import DEVELOP_TEST_DATA
from cobo_custody.signer.local_signer import LocalSigner
import time
class MPCFundCollection:
mpc_api_secret = ""
ENV = DEVELOP_ENV
TEST_DATA = DEVELOP_TEST_DATA
def __init__(self):
self.mpc_client = MPCClient(signer=LocalSigner(self.mpc_api_secret),
env=self.ENV,
debug=False)
def fund_collection(self, coin: str, to_addr: str, to_amount: int, fee_from_addr: str) -> bool:
if to_amount < 0:
return False
resp = self.mpc_client.is_valid_address(coin=coin, address=to_addr)
if not resp or not resp.success or not resp.result:
return False
fee_resp = self.mpc_client.estimate_fee(coin=coin, amount=to_amount, address=to_addr)
if not resp:
return False
page_index = 0
page_length = 50
# 获取余额总数
balance_resp = self.mpc_client.list_balances(coin=coin, page_index=page_index, page_length=page_length)
if not balance_resp or not balance_resp.success or int(balance_resp.result.get('total')) <= 0:
return False
balance_total = int(balance_resp.result.get('total'))
# 获取所有余额数据
all_balances = []
while page_index * page_length < balance_total:
balance_resp = self.mpc_client.list_balances(coin=coin, page_index=page_index, page_length=page_length)
all_balances.extend(balance_resp.result.get('coin_data'))
page_index += page_length
# 钱包下所有余额总额汇总。若余额地址和toAddr相同，则余额不作为归集金额。
all_balance_amount = 0
for balance in all_balances:
if balance.get('address') == to_addr:
continue
all_balance_amount += balance.get('balance')
if all_balance_amount > to_amount:
transfer_all_amount = 0
for balance in all_balances:
if balance.get('address') == to_addr:
continue
if fee_resp.result.get('fee_coin') == coin:
# 归集币种和手续费币种一致
transfer_all_amount += self.transfer(coin=coin, from_addr=balance.get('address'), to_addr=to_addr, to_amount=to_amount - transfer_all_amount)
else:
transfer_all_amount += self.token_transfer(coin=coin, from_addr=balance.get('address'), to_addr=to_addr, fee_addr=fee_from_addr, to_amount=to_amount - transfer_all_amount)
if transfer_all_amount > to_amount:
return True
# 归集币种和手续费币种一致时，若由于交易费用缺少导致总转账金额小于需要转账金额，直接从其他地址提取到toAddr
return transfer_all_amount > to_amount
else:
return False
"""
代币转账
具体实现逻辑如下：
1. 校验fromAddr是否属于apikey对应的custody钱包，是否有余额。如果余额不存在或者余额为0，则直接返回，归集金额为0。
2. 根据地址余额、待归集金额计算出实际可以归集的余额。
3. 预估手续费，校验该地址是否有足够的手续费，手续费不够，则需要从feeAddr向fromAddr转账，以保证资金归集时，fromAddr有足够的手续费。
4. fromAddr向toAddr转账，转账受理成功后，即可认为归集受理成功，最终金额以custody回调为准。
"""
def token_transfer(self, coin: str, from_addr: str, to_addr: str, fee_addr: str, to_amount: int) -> int:
mpc_balance = self.mpc_client.get_balance(address=from_addr, coin=coin)
if not mpc_balance or not mpc_balance.success or not mpc_balance.result.get('coin_data', []):
return 0
balance = int(mpc_balance.result.get('coin_data', [])[0].get('balance', 0))
if balance <= 0:
return 0
real_to_amount = to_amount
if balance < to_amount:
real_to_amount = balance
# 预估手续费
estimate_fee_resp = self.mpc_client.estimate_fee(coin=coin, amount=real_to_amount, from_address=from_addr, address=to_addr)
if not estimate_fee_resp or not estimate_fee_resp.success or not estimate_fee_resp.result:
return 0
gas_limit = estimate_fee_resp.result.get('average', {}).get('gas_limit', 0)
gas_price = estimate_fee_resp.result.get('average', {}).get('gas_price', 0)
gas_fee = gas_limit * gas_price
fee_coin = estimate_fee_resp.result.get('fee_coin')
# 校验feeAddr有充足的手续费
fee_addr_balance_resp = self.mpc_client.get_balance(address=fee_addr, coin=fee_coin)
if not fee_addr_balance_resp or not fee_addr_balance_resp.success or not fee_addr_balance_resp.result.get('coin_data', []):
return 0
if fee_addr_balance_resp.result.get('coin_data', [])[0].get('balance') < gas_fee:
return 0
# fromAddr 交易手续费用不足时，补充交易手续费
from_addr_fee_balancer_resp = self.mpc_client.get_balance(address=from_addr, coin=fee_coin)
if not from_addr_fee_balancer_resp or not from_addr_fee_balancer_resp.success:
return 0
from_addr_fee_balance = 0
if from_addr_fee_balancer_resp.result.get('coin_data', []):
from_addr_fee_balance = from_addr_fee_balancer_resp.result.get('coin_data', [])[0].get('balance')
if from_addr_fee_balance < gas_fee:
request_id = str(int(time.time() * 1000))
transfer_fee_resp = self.mpc_client.create_transaction(coin=fee_coin, request_id=request_id, from_addr=fee_addr, to_addr=from_addr, amount=gas_fee - from_addr_fee_balance)
if not transfer_fee_resp or not transfer_fee_resp.success:
return 0
# 注意：如果需要补充手续费，需要check手续费到账后，再进行转账操作。
# fromAddr转账toAddr
request_id = str(int(time.time() * 1000))
transfer_resp = self.mpc_client.create_transaction(coin=coin, request_id=request_id, from_addr=from_addr, to_addr=to_addr, amount=real_to_amount)
if not transfer_resp or not transfer_resp.success:
return 0
else:
return real_to_amount
"""
主币转账
具体实现逻辑如下：
1. 校验fromAddr是否属于apikey对应的custody钱包，是否有余额。如果余额不存在或者余额为0，则直接返回，归集金额为0。
2. 根据地址余额、待归集金额、交易手续费计算出实际可以归集的余额。
3. fromAddr向toAddr转账，转账受理成功后，即可认为归集受理成功，最终金额以custody回调为准。
"""
def transfer(self, coin: str, from_addr: str, to_addr: str, to_amount: int) -> int:
request_id = str(int(time.time() * 1000))
mpc_balance = self.mpc_client.get_balance(address=from_addr, coin=coin)
if not mpc_balance or not mpc_balance.success or not mpc_balance.result.get('coin_data', []):
return 0
balance = int(mpc_balance.result.get('coin_data', [])[0].get('balance', 0))
if balance <= 0:
return 0
# 预估手续费
estimate_fee_resp = self.mpc_client.estimate_fee(coin=coin, from_address=from_addr, address=to_addr)
if not estimate_fee_resp or not estimate_fee_resp.success or not estimate_fee_resp.result:
return 0
gas_limit = estimate_fee_resp.result.get('average', {}).get('gas_limit', 0)
gas_price = estimate_fee_resp.result.get('average', {}).get('gas_price', 0)
gas_fee = gas_limit * gas_price
# 如果余额小于或等于手续费，则不再归集
if balance < gas_fee:
return 0
real_to_amount = to_amount
if to_amount > balance - gas_fee:
real_to_amount = balance - gas_fee
# 可以指定交易费用
resp = self.mpc_client.create_transaction(coin=coin, request_id=request_id, from_addr=from_addr, to_addr=to_addr, amount=real_to_amount)
if resp.success:
return real_to_amount
else:
return 0