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Latest 25 from a total of 623 transactions
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Claim | 19830531 | 124 days ago | IN | 0 ETH | 0.00033139 | ||||
Claim | 19070216 | 231 days ago | IN | 0 ETH | 0.00163714 | ||||
Claim | 18935661 | 250 days ago | IN | 0 ETH | 0.00210586 | ||||
Claim | 18881486 | 257 days ago | IN | 0 ETH | 0.00159915 | ||||
Claim | 17592322 | 438 days ago | IN | 0 ETH | 0.00283672 | ||||
Claim | 17120544 | 504 days ago | IN | 0 ETH | 0.00252742 | ||||
Claim | 16993712 | 522 days ago | IN | 0 ETH | 0.00216638 | ||||
Claim | 16991799 | 523 days ago | IN | 0 ETH | 0.00316359 | ||||
Claim | 16319279 | 617 days ago | IN | 0 ETH | 0.00119869 | ||||
Claim | 16118568 | 645 days ago | IN | 0 ETH | 0.00107233 | ||||
Claim | 15409228 | 747 days ago | IN | 0 ETH | 0.0009716 | ||||
Claim | 14715380 | 859 days ago | IN | 0 ETH | 0.00314182 | ||||
Claim | 14591933 | 879 days ago | IN | 0 ETH | 0.00693463 | ||||
Claim | 13974140 | 974 days ago | IN | 0 ETH | 0.00958093 | ||||
Claim | 13967158 | 975 days ago | IN | 0 ETH | 0.01358409 | ||||
Claim | 13959195 | 977 days ago | IN | 0 ETH | 0.01349367 | ||||
Claim | 13929193 | 981 days ago | IN | 0 ETH | 0.00849853 | ||||
Claim | 13880896 | 989 days ago | IN | 0 ETH | 0.00256697 | ||||
Claim | 13879254 | 989 days ago | IN | 0 ETH | 0.00347178 | ||||
Claim | 13835793 | 996 days ago | IN | 0 ETH | 0.00282575 | ||||
Claim | 13817443 | 999 days ago | IN | 0 ETH | 0.01183307 | ||||
Claim | 13814865 | 999 days ago | IN | 0 ETH | 0.00386458 | ||||
Claim | 13810998 | 1000 days ago | IN | 0 ETH | 0.01099345 | ||||
Claim | 13763243 | 1007 days ago | IN | 0 ETH | 0.00554675 | ||||
Claim | 13715575 | 1015 days ago | IN | 0 ETH | 0.007964 |
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Contract Name:
MerkleDistributor
Compiler Version
v0.6.10+commit.00c0fcaf
Contract Source Code (Solidity)
/** *Submitted for verification at Etherscan.io on 2020-10-06 */ // Dependency file: contracts/interfaces/IMerkleDistributor.sol // pragma solidity ^0.6.10; // Allows anyone to claim a token if they exist in a merkle root. interface IMerkleDistributor { // Returns the address of the token distributed by this contract. function token() external view returns (address); // Returns the merkle root of the merkle tree containing account balances available to claim. function merkleRoot() external view returns (bytes32); // Returns true if the index has been marked claimed. function isClaimed(uint256 index) external view returns (bool); // Claim the given amount of the token to the given address. Reverts if the inputs are invalid. function claim(uint256 index, address account, uint256 amount, bytes32[] calldata merkleProof) external; // This event is triggered whenever a call to #claim succeeds. event Claimed(uint256 index, address account, uint256 amount); } // Dependency file: @openzeppelin/contracts/cryptography/MerkleProof.sol // pragma solidity ^0.6.0; /** * @dev These functions deal with verification of Merkle trees (hash trees), */ library MerkleProof { /** * @dev Returns true if a `leaf` can be proved to be a part of a Merkle tree * defined by `root`. For this, a `proof` must be provided, containing * sibling hashes on the branch from the leaf to the root of the tree. Each * pair of leaves and each pair of pre-images are assumed to be sorted. */ function verify(bytes32[] memory proof, bytes32 root, bytes32 leaf) internal pure returns (bool) { bytes32 computedHash = leaf; for (uint256 i = 0; i < proof.length; i++) { bytes32 proofElement = proof[i]; if (computedHash <= proofElement) { // Hash(current computed hash + current element of the proof) computedHash = keccak256(abi.encodePacked(computedHash, proofElement)); } else { // Hash(current element of the proof + current computed hash) computedHash = keccak256(abi.encodePacked(proofElement, computedHash)); } } // Check if the computed hash (root) is equal to the provided root return computedHash == root; } } // Dependency file: @openzeppelin/contracts/token/ERC20/IERC20.sol // pragma solidity ^0.6.0; /** * @dev Interface of the ERC20 standard as defined in the EIP. */ interface IERC20 { /** * @dev Returns the amount of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the amount of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves `amount` tokens from the caller's account to `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address recipient, uint256 amount) external returns (bool); /** * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. */ function allowance(address owner, address spender) external view returns (uint256); /** * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * // importANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. */ function approve(address spender, uint256 amount) external returns (bool); /** * @dev Moves `amount` tokens from `sender` to `recipient` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); } pragma solidity ^0.6.10; // import { IERC20 } from "@openzeppelin/contracts/token/ERC20/IERC20.sol"; // import { MerkleProof } from "@openzeppelin/contracts/cryptography/MerkleProof.sol"; // import { IMerkleDistributor } from "../interfaces/IMerkleDistributor.sol"; contract MerkleDistributor is IMerkleDistributor { address public immutable override token; bytes32 public immutable override merkleRoot; // This is a packed array of booleans. mapping(uint256 => uint256) private claimedBitMap; constructor(address token_, bytes32 merkleRoot_) public { token = token_; merkleRoot = merkleRoot_; } function isClaimed(uint256 index) public view override returns (bool) { uint256 claimedWordIndex = index / 256; uint256 claimedBitIndex = index % 256; uint256 claimedWord = claimedBitMap[claimedWordIndex]; uint256 mask = (1 << claimedBitIndex); return claimedWord & mask == mask; } function _setClaimed(uint256 index) private { uint256 claimedWordIndex = index / 256; uint256 claimedBitIndex = index % 256; claimedBitMap[claimedWordIndex] = claimedBitMap[claimedWordIndex] | (1 << claimedBitIndex); } function claim(uint256 index, address account, uint256 amount, bytes32[] calldata merkleProof) external override { require(!isClaimed(index), "MerkleDistributor: Drop already claimed."); // Verify the merkle proof. bytes32 node = keccak256(abi.encodePacked(index, account, amount)); require(MerkleProof.verify(merkleProof, merkleRoot, node), "MerkleDistributor: Invalid proof."); // Mark it claimed and send the token. _setClaimed(index); require(IERC20(token).transfer(account, amount), "MerkleDistributor: Transfer failed."); emit Claimed(index, account, amount); } }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
[{"inputs":[{"internalType":"address","name":"token_","type":"address"},{"internalType":"bytes32","name":"merkleRoot_","type":"bytes32"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"index","type":"uint256"},{"indexed":false,"internalType":"address","name":"account","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Claimed","type":"event"},{"inputs":[{"internalType":"uint256","name":"index","type":"uint256"},{"internalType":"address","name":"account","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"bytes32[]","name":"merkleProof","type":"bytes32[]"}],"name":"claim","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"index","type":"uint256"}],"name":"isClaimed","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"merkleRoot","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"token","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"}]
Contract Creation Code
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Deployed Bytecode
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
Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
0000000000000000000000000954906da0bf32d5479e25f46056d22f08464cab0f2cabbe50fc2d5d46f34ead7924313782cfc6c19a6ae31aa5883628a523f5db
-----Decoded View---------------
Arg [0] : token_ (address): 0x0954906da0Bf32d5479e25f46056d22f08464cab
Arg [1] : merkleRoot_ (bytes32): 0x0f2cabbe50fc2d5d46f34ead7924313782cfc6c19a6ae31aa5883628a523f5db
-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 0000000000000000000000000954906da0bf32d5479e25f46056d22f08464cab
Arg [1] : 0f2cabbe50fc2d5d46f34ead7924313782cfc6c19a6ae31aa5883628a523f5db
Deployed Bytecode Sourcemap
5424:1639:0:-:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;6410:650;;;;;;;;;;;;;;;;;;;-1:-1:-1;;;;;6410:650:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;6410:650:0;;-1:-1:-1;6410:650:0;-1:-1:-1;6410:650:0;:::i;:::-;;5526:44;;;:::i;:::-;;;;;;;;;;;;;;;;5813:331;;;;;;;;;;;;;;;;-1:-1:-1;5813:331:0;;:::i;:::-;;;;;;;;;;;;;;;;;;5480:39;;;:::i;:::-;;;;-1:-1:-1;;;;;5480:39:0;;;;;;;;;;;;;;6410:650;6543:16;6553:5;6543:9;:16::i;:::-;6542:17;6534:70;;;;-1:-1:-1;;;6534:70:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;6679:40;;;;;;;;;;-1:-1:-1;;6679:40:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;6669:51;;;;;;;;;6739:49;;;;;;;;;;;;;;;6669:51;6739:49;;6679:40;;6758:11;;;;;;6739:49;;;;6758:11;;6739:49;6758:11;6739:49;;;;;;;;;-1:-1:-1;6771:10:0;;-1:-1:-1;6783:4:0;;-1:-1:-1;6739:18:0;;-1:-1:-1;6739:49:0:i;:::-;6731:95;;;;-1:-1:-1;;;6731:95:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;6887:18;6899:5;6887:11;:18::i;:::-;6931:5;-1:-1:-1;;;;;6924:22:0;;6947:7;6956:6;6924:39;;;;;;;;;;;;;-1:-1:-1;;;;;6924:39:0;-1:-1:-1;;;;;6924:39:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;6924:39:0;6916:87;;;;-1:-1:-1;;;6916:87:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;7021:31;;;;;;-1:-1:-1;;;;;7021:31:0;;;;;;;;;;;;;;;;;;;;;;;6410:650;;;;;;:::o;5526:44::-;;;:::o;5813:331::-;5929:3;5921:11;;5877:4;6013:31;;;;;;;;;;;6071:1;5969:11;;;;6071:20;;;;6110:18;;;:26;;5813:331::o;5480:39::-;;;:::o;1525:796::-;1616:4;1656;1616;1673:525;1697:5;:12;1693:1;:16;1673:525;;;1731:20;1754:5;1760:1;1754:8;;;;;;;;;;;;;;1731:31;;1799:12;1783;:28;1779:408;;1953:12;1967;1936:44;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;1926:55;;;;;;1911:70;;1779:408;;;2143:12;2157;2126:44;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;2116:55;;;;;;2101:70;;1779:408;-1:-1:-1;1711:3:0;;1673:525;;;-1:-1:-1;2293:20:0;;;;1525:796;-1:-1:-1;;;1525:796:0:o;6152:250::-;6242:3;6234:11;;6207:24;6338:31;;;;;;;;;;;;6373:1;6282:11;;;;6373:20;;;;6338:56;;;6304:90;;6152:250::o
Swarm Source
ipfs://6435ab0784c767a848d5273cdea01f0c3f168db5ae601706dd2f3f077d2a5218
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Multichain Portfolio | 26 Chains
Chain | Token | Portfolio % | Price | Amount | Value |
---|---|---|---|---|---|
ETH | 100.00% | $3.7 | 36,800 | $136,160 |
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