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Contract Template for BEP20

This template is a example for "how to create token BEP20"

For create this contract inject into constructor parameters:

field type description
input_name string Name of coin
input_symbol string Symbol of coin
input_decimals uint8 Decimals of coin
input_valueTax uint256 Value tax for all transfer
input_totalSupply uint256 Total supply of coins

Important: Total supply needs consider decimals

eg: input_totalSupply = ({total} * 10 ** {decimals})

Interfaces:

  • IContract.sol
  • IOwner.sol
  • ITax.sol

Libraries:

  • Integer.sol
  • SafeMath.sol

Contract:

  • OOF1OO.sol

Contracts Internal:

  • CoinManager.sol
  • Ownable.sol
  • Tax.sol

Features:

  • Owner for contract
  • Change owner contract
  • Configure tax for transfers
  • Configure value and address to receive transfer tax
  • Configure allowance beetwen addresses
  • Create new coins of contract
  • Burn coins on transfer write contract
  • Burn coins by allowance
  • Burn coins by address
  • Safe math for add, sub, mul, div and mod operations

Read contract:

  • getOwner() - Returns owner of contract
  • decimals() - Returns decimals of contract
  • symbol() - Returns symbol of contract
  • name() - Returns name of contract
  • totalSupply() - Returns total supply of contract
  • balanceOf(address account) - Returns balance of address into contract
  • balanceOfOwner() - Returns balance of owner into contract
  • valueTax() - Returns tax value for transfers
  • taxAddress() - Returns address to receive tax value
  • allowance(address owner, address spender) - Returns allowance beetwen addresses

Write contract:

  • setTaxAddress(address tax) - Configure address to receive tax value
  • setTaxAddress() - Configure address zero for receive tax value (auto burn)
  • increaseAllowance(address spender, uint256 addedValue) - Increase amount allowance beetwen addresses
  • decreaseAllowance(address spender, uint256 subtractedValue) - Decrease amount allowance beetwen addresses
  • approve(address spender, uint256 amount) - Configure custom amount to allowance beetwen addresses
  • transfer(address recipient, uint256 amount) - Transfer amount beetwen addresses
  • transferFrom(address sender, address recipient, uint256 amount) - Transfer amount from allowance beetwen addresses
  • mint(uint256 amount) - Create coins and send to wallet owner
  • burn(uint256 amount) - Send amount from wallet owner to address zero

Events:

  • event Transfer(address indexed from, address indexed to, uint256 value);
  • event Approval(address indexed owner, address indexed spender, uint256 value);
  • event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

Modifiers:

  • onlyOwner - Require owner on try write contract

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Contract Template for BEP20

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