Smart contracts regarding staking, delegation and validator reward distribution

Confusing function name

Inefficient Greater-Than Comparison w/ Zero

Jailed validator can appear twice in the unsigned validator list

Confusing variable name

Function visibility

Gas optimization in element insertion

Incompatible array resize with newer Solidity version

Incorrect data allocation

Unnecessary computation

Repeated exit 

Replay attack between child chain and root chain

Non unique uint encoding

Incorrect encoding of value “false”

Multiple lookups from storage

Unlocked compiler version

Depositor role

Interface structure

Redundant return statement

Integer underflow

`require` error message

`isList()` verification 

Unnecessary if clause

Inefficient comparison

Exclusion of empty bytes input

Matic

test

ProxyTestImpl.sol

ProxyTestImplStorageLayoutChange.sol

root

RootToken

DummyMintableERC721.sol

DummyERC20.sol

DummyERC721.sol

IMintableERC721.sol

DummyERC1155.sol

ICheckpointManager.sol

TokenPredicates

ERC20Predicate.sol

MintableERC721PredicateProxy.sol

ERC20PredicateProxy.sol

EtherPredicateProxy.sol

ERC1155Predicate.sol

EtherPredicate.sol

ERC721Predicate.sol

ITokenPredicate.sol

ERC721PredicateProxy.sol

MintableERC721Predicate.sol

ERC1155PredicateProxy.sol

RootChainManager

IRootChainManager.sol

RootChainManagerProxy.sol

RootChainManager.sol

StateSender

IStateSender.sol

DummyStateSender.sol

MockCheckpointManager.sol

common

AccessControlMixin.sol

EIP712Base.sol

Initializable.sol

Proxy

UpgradableProxy.sol

Proxy.sol

IERCProxy.sol

ContextMixin.sol

NetworkAgnostic.sol

child

ChildChainManager

ChildChainManagerProxy.sol

IChildChainManager.sol

ChildChainManager.sol

ChildToken

ChildERC20.sol

MaticWETH.sol

ChildMintableERC721.sol

ChildERC721.sol

IChildToken.sol

ChildERC1155.sol

Migrations.sol

RLPReader.sol

Merkle.sol

MerklePatriciaProof.sol

ChainConstants.sol.template

CertiK Skynet

Top 10% Watchlisted

Top 10% Security Score

Top 10% Code Security Score

Top 10% Governance Score

Top 10% Market Score

Top 10% Operation Score

Top 10% Fundamental Score

https://images.ctfassets.net/jqfm0se0f03r/2bleIIr8mAoblqRuax7VSw/17c42fa3f0b274a288bb32b79750703d/2wIojcdX_400x400.jpeg

Polygon is a decentralized, Ethereum scaling platform that aims to provide Ethereum-based projects with increased flexibility and scalability while still affording the security, interoperability, and structural benefits of the Ethereum blockchain.

Matic MaticToken

Matic MultiSigWallet

Polygon

Polygon

Audit History

Security Audit

Solidity, Yul

2021/01/06

2021/01/20

Skynet

Insights

Performance Summary

On-chain Data Charts