MATIC Price: $1.00 (-2.43%)
Gas: 102 GWei
 

Overview

MATIC Balance

Polygon PoS Chain LogoPolygon PoS Chain LogoPolygon PoS Chain Logo0 MATIC

MATIC Value

$0.00

Sponsored

Transaction Hash
Method
Block
From
To
Value
0x6104e761255760352022-03-04 15:51:37755 days ago1646409097IN
 Create: IterableMapping
0 MATIC0.0100749631.06729342

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Contract Source Code Verified (Exact Match)

Contract Name:
IterableMapping

Compiler Version
v0.8.7+commit.e28d00a7

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion, MIT license
/**
 *Submitted for verification at polygonscan.com on 2022-03-04
*/

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.7;

library IterableMapping {
    // Iterable mapping from address to uint;
    struct Map {
        address[] keys;
        mapping(address => uint) values;
        mapping(address => uint) indexOf;
        mapping(address => bool) inserted;
    }

    function get(Map storage map, address key) public view returns (uint) {
        return map.values[key];
    }

    function getIndexOfKey(Map storage map, address key) public view returns (int) {
        if(!map.inserted[key]) {
            return -1;
        }
        return int(map.indexOf[key]);
    }

    function getKeyAtIndex(Map storage map, uint index) public view returns (address) {
        return map.keys[index];
    }



    function size(Map storage map) public view returns (uint) {
        return map.keys.length;
    }

    function set(Map storage map, address key, uint val) public {
        if (map.inserted[key]) {
            map.values[key] = val;
        } else {
            map.inserted[key] = true;
            map.values[key] = val;
            map.indexOf[key] = map.keys.length;
            map.keys.push(key);
        }
    }

    function remove(Map storage map, address key) public {
        if (!map.inserted[key]) {
            return;
        }

        delete map.inserted[key];
        delete map.values[key];

        uint index = map.indexOf[key];
        uint lastIndex = map.keys.length - 1;
        address lastKey = map.keys[lastIndex];

        map.indexOf[lastKey] = index;
        delete map.indexOf[key];

        map.keys[index] = lastKey;
        map.keys.pop();
    }
}

Contract Security Audit

Contract ABI

[]

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Deployed Bytecode

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Deployed Bytecode Sourcemap

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Swarm Source

ipfs://dfa72076588132e0785451bb851b1345227aee5a81129918a7bf91a638dcaab2

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