Contract

Contract Source Code (Vyper language format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Submit Audit
• Compare

# ERC20 implementation adapted from https://github.com/ethereum/vyper/blob/master/examples/tokens/ERC20.vy

Transfer: event({_from: indexed(address), _to: indexed(address), _value: uint256})
Approval: event({_owner: indexed(address), _spender: indexed(address), _value: uint256})

name: public(string[32])
symbol: public(string[32])
decimals: public(uint256)
totalSupply: public(uint256)
balanceOf: public(map(address, uint256))
allowances: map(address, map(address, uint256))


@public
def __init__():
    _supply: uint256 = 500*10**18
    self.name = 'Unisocks Edition 0'
    self.symbol = 'SOCKS'
    self.decimals = 18
    self.balanceOf[msg.sender] = _supply
    self.totalSupply = _supply
    log.Transfer(ZERO_ADDRESS, msg.sender, _supply)


@public
@constant
def allowance(_owner : address, _spender : address) -> uint256:
    return self.allowances[_owner][_spender]


@public
def transfer(_to : address, _value : uint256) -> bool:
    self.balanceOf[msg.sender] -= _value
    self.balanceOf[_to] += _value
    log.Transfer(msg.sender, _to, _value)
    return True


@public
def transferFrom(_from : address, _to : address, _value : uint256) -> bool:
    self.balanceOf[_from] -= _value
    self.balanceOf[_to] += _value
    if self.allowances[_from][msg.sender] < MAX_UINT256:
        self.allowances[_from][msg.sender] -= _value
    log.Transfer(_from, _to, _value)
    return True


@public
def approve(_spender : address, _value : uint256) -> bool:
    self.allowances[msg.sender][_spender] = _value
    log.Approval(msg.sender, _spender, _value)
    return True


@public
def burn(_value: uint256) -> bool:
    self.totalSupply -= _value
    self.balanceOf[msg.sender] -= _value
    log.Transfer(msg.sender, ZERO_ADDRESS, _value)
    return True


@public
def burnFrom(_from: address, _value: uint256) -> bool:
    if self.allowances[_from][msg.sender] < MAX_UINT256:
        self.allowances[_from][msg.sender] -= _value
    self.totalSupply -= _value
    self.balanceOf[_from] -= _value
    log.Transfer(_from, ZERO_ADDRESS, _value)
    return True

• No Contract Security Audit Submitted- Submit Audit Here

[{"name":"Transfer","inputs":[{"type":"address","name":"_from","indexed":true},{"type":"address","name":"_to","indexed":true},{"type":"uint256","name":"_value","indexed":false}],"anonymous":false,"type":"event"},{"name":"Approval","inputs":[{"type":"address","name":"_owner","indexed":true},{"type":"address","name":"_spender","indexed":true},{"type":"uint256","name":"_value","indexed":false}],"anonymous":false,"type":"event"},{"outputs":[],"inputs":[],"constant":false,"payable":false,"type":"constructor"},{"name":"allowance","outputs":[{"type":"uint256","name":"out"}],"inputs":[{"type":"address","name":"_owner"},{"type":"address","name":"_spender"}],"constant":true,"payable":false,"type":"function","gas":815},{"name":"transfer","outputs":[{"type":"bool","name":"out"}],"inputs":[{"type":"address","name":"_to"},{"type":"uint256","name":"_value"}],"constant":false,"payable":false,"type":"function","gas":74044},{"name":"transferFrom","outputs":[{"type":"bool","name":"out"}],"inputs":[{"type":"address","name":"_from"},{"type":"address","name":"_to"},{"type":"uint256","name":"_value"}],"constant":false,"payable":false,"type":"function","gas":110401},{"name":"approve","outputs":[{"type":"bool","name":"out"}],"inputs":[{"type":"address","name":"_spender"},{"type":"uint256","name":"_value"}],"constant":false,"payable":false,"type":"function","gas":37779},{"name":"burn","outputs":[{"type":"bool","name":"out"}],"inputs":[{"type":"uint256","name":"_value"}],"constant":false,"payable":false,"type":"function","gas":73765},{"name":"burnFrom","outputs":[{"type":"bool","name":"out"}],"inputs":[{"type":"address","name":"_from"},{"type":"uint256","name":"_value"}],"constant":false,"payable":false,"type":"function","gas":110122},{"name":"name","outputs":[{"type":"string","name":"out"}],"inputs":[],"constant":true,"payable":false,"type":"function","gas":6462},{"name":"symbol","outputs":[{"type":"string","name":"out"}],"inputs":[],"constant":true,"payable":false,"type":"function","gas":6492},{"name":"decimals","outputs":[{"type":"uint256","name":"out"}],"inputs":[],"constant":true,"payable":false,"type":"function","gas":723},{"name":"totalSupply","outputs":[{"type":"uint256","name":"out"}],"inputs":[],"constant":true,"payable":false,"type":"function","gas":753},{"name":"balanceOf","outputs":[{"type":"uint256","name":"out"}],"inputs":[{"type":"address","name":"arg0"}],"constant":true,"payable":false,"type":"function","gas":955}]

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