Contract con_ssssd


Contract Code

1 balances = Hash(default_value=0)
2
3 metadata = Hash()
4
5 @construct
6 def seed():
7 balances[ctx.caller] = 111
8
9 metadata["token_name"] = "asdasd"
10 metadata["token_symbol"] = "dsa"
11 metadata["token_logo_base64_png"] = ""
12 metadata["operator"] = "ff61544ea94eaaeb5df08ed863c4a938e9129aba6ceee5f31b6681bdede11b89"
13
14 @export
15 def change_metadata(key: str, value: Any):
16 assert ctx.caller == metadata["operator"], "Only operator can set metadata!"
17 metadata[key] = value
18
19 @export
20 def transfer(amount: float, to: str):
21 assert amount > 0, "Cannot send negative balances!"
22 assert balances[ctx.caller] >= amount, "Not enough coins to send!"
23
24 balances[ctx.caller] -= amount
25 balances[to] += amount
26
27 @export
28 def approve(amount: float, to: str):
29 assert amount > 0, "Cannot send negative balances!"
30 balances[ctx.caller, to] += amount
31
32 @export
33 def transfer_from(amount: float, to: str, main_account: str):
34 assert amount > 0, "Cannot send negative balances!"
35 assert balances[main_account, ctx.caller] >= amount, "Not enough coins approved to send! You have {} and are trying to spend {}".format(balances[main_account, ctx.caller], amount)
36 assert balances[main_account] >= amount, "Not enough coins to send!"
37
38 balances[main_account, ctx.caller] -= amount
39 balances[main_account] -= amount
40 balances[to] += amount
41
42 @export
43 def mint(amount: float):
44 assert ctx.caller == metadata["operator"], "Only operator can mint!"
45 assert amount > 0, "Cannot mint negative amount!"
46 balances[ctx.caller] += amount
47
48
49 @export
50 def burn(amount: float):
51 assert amount > 0, "Cannot burn negative amount!"
52 assert balances[ctx.caller] >= amount, "Not enough coins to burn!"
53 balances["BURNED"] += amount
54 balances[ctx.caller] -= amount
55

Byte Code

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