SKALE contest - Tomio's results

1. consider using ++i can save gas https://github.com/skalenetwork/ima-c4-audit/blob/main/contracts/MessageProxy.sol#L221 // gas cost 34321

change to:

 for (uint256 i = from; i < to; ++i) {

// gas cost 34271

Tools used: Remix

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2. using multipe require can save gas https://github.com/skalenetwork/ima-c4-audit/blob/main/contracts/MessageProxy.sol#L216 // gas cost 34324

Change to:

require( from < to );
require( to - from <= 10 );
require( to < schainHash,"Range is incorrect");

// gas cost 34305

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