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const decimals = 18
def storage:
balanceOf is mapping of uint256 at storage 0
allowance is mapping of uint256 at storage 1
totalSupply is uint256 at storage 2
stor3 is array of struct at storage 3
stor4 is array of struct at storage 4
def totalSupply() payable:
return totalSupply
def balanceOf(address _owner) payable:
require calldata.size - 4 >=′ 32
require _owner == _owner
return balanceOf[addr(_owner)]
def allowance(address _owner, address _spender) payable:
require calldata.size - 4 >=′ 64
require _owner == _owner
require _spender == _spender
return allowance[addr(_owner)][addr(_spender)]
#
# Regular functions
#
def _fallback() payable: # default function
revert
def approve(address _spender, uint256 _value) payable:
require calldata.size - 4 >=′ 64
require _spender == _spender
require _value == _value
if not caller:
revert with 0x8c379a000000000000000000000000000000000000000000000000000000000, 'ERC20: approve from the zero address'
if not _spender:
revert with 0x8c379a000000000000000000000000000000000000000000000000000000000, 'ERC20: approve to the zero address'
allowance[caller][addr(_spender)] = _value
log Approval(
address tokenOwner=_value,
address spender=caller,
uint256 tokens=_spender)
return 1
def transfer(address _to, uint256 _value) payable:
require calldata.size - 4 >=′ 64
require _to == _to
require _value == _value
if not caller:
revert with 0x8c379a000000000000000000000000000000000000000000000000000000000, 'ERC20: transfer from the zero address'
if not _to:
revert with 0x8c379a000000000000000000000000000000000000000000000000000000000, 'ERC20: transfer to the zero address'
if balanceOf[caller] < _value:
revert with 0x8c379a000000000000000000000000000000000000000000000000000000000, 'ERC20: transfer amount exceeds balance'
balanceOf[caller] -= _value
balanceOf[addr(_to)] += _value
log Transfer(
address from=_value,
addre
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