Contract con_sneaky_lst001


Contract Code


  
1 __balances = Hash(default_value=0, contract='con_sneaky_lst001', name=
2 'balances')
3 __metadata = Hash(contract='con_sneaky_lst001', name='metadata')
4
5
6 def ____():
7 __balances[ctx.caller] = 1000000
8 __metadata['token_name'] = 'SNEAKY COIN'
9 __metadata['token_symbol'] = 'SHHH'
10 __metadata['operator'] = ctx.caller
11
12
13 @__export('con_sneaky_lst001')
14 def change_metadata(key: str, value: Any):
15 assert ctx.caller == __metadata['operator'
16 ], 'Only operator can set metadata!'
17 __metadata[key] = value
18
19
20 @__export('con_sneaky_lst001')
21 def transfer(amount: float, to: str):
22 assert amount > 0, 'Cannot send negative balances!'
23 assert __balances[ctx.caller] >= amount, 'Not enough coins to send!'
24 __balances[ctx.caller] -= amount
25 __balances[to] += amount
26
27
28 @__export('con_sneaky_lst001')
29 def approve(amount: float, to: str):
30 assert amount > 0, 'Cannot send negative balances!'
31 __balances[ctx.caller, to] += amount
32
33
34 @__export('con_sneaky_lst001')
35 def transfer_from(amount: float, to: str, main_account: str):
36 assert amount > 0, 'Cannot send negative balances!'
37 assert __balances[main_account, ctx.caller
38 ] >= amount, 'Not enough coins approved to send! You have {} and are trying to spend {}'.format(
39 __balances[main_account, ctx.caller], amount)
40 assert __balances[main_account] >= amount, 'Not enough coins to send!'
41 __balances[main_account, ctx.caller] -= amount
42 __balances[main_account] -= amount
43 __balances[to] += amount
44

Byte Code

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