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: 6,984,616 Transactions

Transfers: 0 Transfers

Gas Used: 831,270,254,384

Last Balance Update: 29769467

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

// 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);
            }
        }
        else {
            activeDays[msg.sender][newCall.timestamp / 1 days].push(callHistory[msg.sender].length - 1);
        }

        emit CallLogged(msg.sender, newCall.timestamp, metadata);
    }

    function getCurrentDay() public view returns (uint256){
        return block.timestamp / 1 days;
    }

    function getCallCount(address caller, uint256 day) public view returns (uint256) {
        return activeDays[caller][day].length;
    }

    function getTotalCalls(address caller) public view returns (uint256) {
        return callHistory[caller].length;
    }

    function getActiveDays(address caller) public view returns (uint256) {
        uint256 count = 0;
        for (uint256 day = firstCallDay[caller]; day <= block.timestamp / 1 days; day++) {
            if (callExists[caller][day]) {
                count++;
            }
        }
        return count;
    }

    function getFirstCallDay(address caller) public view returns (uint256) {
        return firstCallDay[caller];
    }

    function getCallMetadata(address caller, uint256 index) public view returns (string memory) {
        require(index < callHistory[caller].length, "Invalid index");
        return callHistory[caller][index].metadata;
    }

    function getCallsforday(address caller, uint256 day) public view returns (uint256[] memory){
        return activeDays[caller][day];
    }

    function getNodesCount() public view returns (uint256){
        return nodeAddresses.length;
    }

    function getNodeAddress(uint256 index) public view returns (address){
        return nodeAddresses[index];
    }

    function getCallHistoryCount(address nodeAddress) public view returns (uint256){
        return callHistory[nodeAddress].length;
    }

    function getCallHistoryLog(address nodeAddress, uint256 index) public view returns (Call memory){
        return callHistory[nodeAddress][index];
    }

    function changeOwner(address newOwner) public onlyOwner {
        require(newOwner != address(0), "Invalid address");
        emit OwnerChanged(owner, newOwner);
        owner = newOwner;
    }
}

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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