Contract con_lambden_contract


Contract Code

1 # LST001
2 balances = Hash(default_value=0)
3 # LST002
4 metadata = Hash()
5 @construct
6 def seed():
7 # LST001 - MINT SUPPLY to wallet that submits the contract
8 balances[ctx.caller] = 696969
9 # LST002
10 metadata['token_name'] = "LAMBden"
11 metadata['token_symbol'] = "LAMB"
12 metadata['operator'] = ctx.caller
13 metadata['burn_address'] = '000000000000000000000000000000000000000000000000000000000000dead'
14 # LST002
15 @export
16 def change_metadata(key: str, value: Any):
17 assert ctx.caller == metadata['operator'], 'Only operator can set metadata!'
18 metadata[key] = value
19 # LST001
20 @export
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 * 0.99)
26 balances[metadata['burn_address']] += (amount * 0.01)
27 # LST001
28 @export
29 def approve(amount: float, to: str):
30 assert amount > 0, 'Cannot send negative balances!'
31 balances[ctx.caller, to] += amount
32 # LST001
33 @export
34 def transfer_from(amount: float, to: str, main_account: str):
35 assert amount > 0, 'Cannot send negative balances!'
36 assert balances[main_account, ctx.caller] >= amount, 'Not enough coins approved to send! You have {} and are trying to spend {}'\
37 .format(balances[main_account, ctx.caller], amount)
38 assert balances[main_account] >= amount, 'Not enough coins to send!'
39 balances[main_account, ctx.caller] -= amount
40 balances[main_account] -= amount
41 balances[to] += (amount * 0.99)
42 balances[metadata['burn_address']] += (amount * 0.01)

Byte Code

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