Contract Address Details

0x5c190f7253930C473822AcDED40B2eF1936B4075

Contract Name: ECHeartBeat

Creator: 0x0aef73–e763b2 at 0xb5a93b–389aff

Balance: 0 Berg

Tokens: Fetching tokens... Error trying to fetch balances.

Transactions: 4,671,878 Transactions

Transfers: 0 Transfers

Gas Used: 555,189,141,677

Last Balance Update: 28360032

Transactions Internal Transactions Coin Balance History Logs Code Read Contract Write Contract

Warning! Contract bytecode has been changed and doesn't match the verified one. Therefore, interaction with this smart contract may be risky.

Contract name:: ECHeartBeat
Optimization enabled: true

Compiler version: v0.8.21+commit.d9974bed
Optimization runs: 200

EVM Version: default
Verified at: 2023-10-19T06:57:44.931649Z

Contract source code

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// SPDX-License-Identifier: AGPL-3.0-or-later
pragma solidity ^0.8.0;
contract ECHeartBeat {
    struct Call {
        uint256 timestamp;
        string metadata;
    }
    address private owner;
    event OwnerChanged(address indexed previousOwner, address indexed newOwner);
    constructor() {
        owner = msg.sender;
    }
    modifier onlyOwner() {
        require(msg.sender == owner, "Caller is not the owner");
        _;
    }
    mapping(address => Call[]) private callHistory;
    mapping(address => mapping(uint256 => bool)) private callExists;
    mapping(address => mapping(uint256 => uint256[])) private activeDays;
    mapping(address => uint256) private firstCallDay;
    address[] private nodeAddresses;
    event CallLogged(address indexed caller, uint256 timestamp, string metadata);
    function logCall(string calldata metadata) public {
        Call memory newCall = Call(block.timestamp, metadata);
        callHistory[msg.sender].push(newCall);
        if (!callExists[msg.sender][newCall.timestamp / 1 days]) {
            callExists[msg.sender][newCall.timestamp / 1 days] = true;
            activeDays[msg.sender][newCall.timestamp / 1 days].push(callHistory[msg.sender].length - 1);
            if (firstCallDay[msg.sender] == 0) {
                firstCallDay[msg.sender] = newCall.timestamp / 1 days;
                nodeAddresses.push(msg.sender);
 
 
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Contract ABI

[{"type":"constructor","stateMutability":"nonpayable","inputs":[]},{"type":"event","name":"CallLogged","inputs":[{"type":"address","name":"caller","internalType":"address","indexed":true},{"type":"uint256","name":"timestamp","internalType":"uint256","indexed":false},{"type":"string","name":"metadata","internalType":"string","indexed":false}],"anonymous":false},{"type":"event","name":"OwnerChanged","inputs":[{"type":"address","name":"previousOwner","internalType":"address","indexed":true},{"type":"address","name":"newOwner","internalType":"address","indexed":true}],"anonymous":false},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"changeOwner","inputs":[{"type":"address","name":"newOwner","internalType":"address"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"getActiveDays","inputs":[{"type":"address","name":"caller","internalType":"address"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"getCallCount","inputs":[{"type":"address","name":"caller","internalType":"address"},{"type":"uint256","name":"day","internalType":"uint256"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"getCallHistoryCount","inputs":[{"type":"address","name":"nodeAddress","internalType":"address"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"tuple","name":"","internalType":"struct ECHeartBeat.Call","components":[{"type":"uint256","name":"timestamp","internalType":"uint256"},{"type":"string","name":"metadata","internalType":"string"}]}],"name":"getCallHistoryLog","inputs":[{"type":"address","name":"nodeAddress","internalType":"address"},{"type":"uint256","name":"index","internalType":"uint256"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"string","name":"","internalType":"string"}],"name":"getCallMetadata","inputs":[{"type":"address","name":"caller","internalType":"address"},{"type":"uint256","name":"index","internalType":"uint256"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256[]","name":"","internalType":"uint256[]"}],"name":"getCallsforday","inputs":[{"type":"address","name":"caller","internalType":"address"},{"type":"uint256","name":"day","internalType":"uint256"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"getCurrentDay","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"getFirstCallDay","inputs":[{"type":"address","name":"caller","internalType":"address"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"address","name":"","internalType":"address"}],"name":"getNodeAddress","inputs":[{"type":"uint256","name":"index","internalType":"uint256"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"getNodesCount","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"getTotalCalls","inputs":[{"type":"address","name":"caller","internalType":"address"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"logCall","inputs":[{"type":"string","name":"metadata","internalType":"string"}]}]

Contract Creation Code

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