Bu yerda ERC4973 standartiga asoslangan SBT smart kontrakti uchun Solidity kodining asosiy namunasi mavjud: pragma solidity ^0.8.0; interfeys IERC4973 {function mint{(address recipient, uint256 amount) external; function burn{(uint256 amount) external; function balance{(address account) external view returns (uint256); function totalSupply{(() external view returns (uint256); event{(Transferaddress indexed from, addressed index to, uint256 value); event Mint{(addressed recipient, uint256 value); event event{(addressed account, uint256 value); } contract SBT is IERC4973 mapping {(address uint256) _ private balances; _total balance{(total amount} _ mint
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