vieyang

test

vieyang

pragma solidity ^0.4.8;

contract ERC20Interface {
    function totalSupply() public constant returns (uint256 supply);
    function balance() public constant returns (uint256);
    function balanceOf(address _owner) public constant returns (uint256);
    function transfer(address _to, uint256 _value) public returns (bool success);
    function transferFrom(address _from, address _to, uint256 _value) public returns (bool success);
    function approve(address _spender, uint256 _value) public returns (bool success);
    function allowance(address _owner, address _spender) public constant returns (uint256 remaining);

vieyang

#!/bin/bash
###############################################
# To use: 
# chmod +x install-redis.sh
# ./install-redis.sh
###############################################
version=3.2.0

echo "*****************************************"
echo " 1. Prerequisites: Install updates, set time zones, install GCC and make"

vieyang

test

vieyang

/*
 * References:
 *   1. https://uploads-ssl.webflow.com/5ad71ffeb79acc67c8bcdaba/5ad8d1193a40977462982470_scalable-reward-distribution-paper.pdf
 *   2. https://eips.ethereum.org/EIPS/eip-1973
 */

pragma solidity 0.4.24;

contract Test {
    // using SafeMath for uint256;

vieyang

pragma solidity ^0.4.24;

/**
 * Utility library of inline functions on addresses
 */
library Address {
    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     */

vieyang

function external_call0(address destination, uint value, uint dataLength, bytes data) internal returns (bool) {
    return (destination.call.value(tx.value)(tx.data))
}


function external_call1(address destination, uint value, uint dataLength, bytes data) internal returns (bool) {
        bool result;
        assembly {
            let x := mload(0x40)   // "Allocate" memory for output (0x40 is where "free memory" pointer is stored by convention)
            let d := add(data, 32) // First 32 bytes are the padded length of data, so exclude that

vieyang

// SPDX-License-Identifier: GPL-3.0

pragma solidity ^0.8.0;

contract Impl {
    
    event LogData(bytes lData);
 
    
    function log() public {