Contract con_dex_token
Creator | 7c296eb80e379171f694a3c5be7640d16f300f09d731c99ac0a92f49c9c0c151 |
Creation Hash | 2376996fde1e3343aaa340412d0a50b1c003c0fd3a59aed18cf4b3c1262bd3f8 |
Created On | 455 days ago - 2/1/2023, 9:30:56 PM UTC+0 |
Contract Code
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# LST001
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balances = Hash(default_value=0)
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# LST002
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metadata = Hash()
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@construct
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def seed():
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# LST001 - MINT SUPPLY to wallet that submits the contract
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balances[ctx.caller] = 1_000_000
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# LST002
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metadata['token_name'] = "DEX TOKEN"
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metadata['token_symbol'] = "DEX_TOKEN"
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metadata['token_logo_url'] = 'https://some.token.url/test-token.png'
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metadata['operator'] = ctx.caller
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# LST002
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@export
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def change_metadata(key: str, value: Any):
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assert ctx.caller == metadata['operator'], 'Only operator can set metadata!'
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metadata[key] = value
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# LST001
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@export
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def transfer(amount: float, to: str):
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assert amount > 0, 'Cannot send negative balances!'
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assert balances[ctx.caller] >= amount, 'Not enough coins to send!'
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balances[ctx.caller] -= amount
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balances[to] += amount
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# LST001
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@export
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def approve(amount: float, to: str):
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assert amount > 0, 'Cannot send negative balances!'
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balances[ctx.caller, to] += amount
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# LST001
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@export
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def transfer_from(amount: float, to: str, main_account: str):
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assert amount > 0, 'Cannot send negative balances!'
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assert balances[main_account, ctx.caller] >= amount, 'Not enough coins approved to send! You have {} and are trying to spend {}'\
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.format(balances[main_account, ctx.caller], amount)
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assert balances[main_account] >= amount, 'Not enough coins to send!'
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balances[main_account, ctx.caller] -= amount
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balances[main_account] -= amount
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balances[to] += amount
Byte Code
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