fix tests by importing SafeMath as lib from openZepplin.

TrueBitFoundation / incentive-layer

[DEPRECATED] Incentive layer contracts and deployment information.

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Closed johannbarbie closed 6 years ago

johannbarbie commented 6 years ago

imported SafeMath from openZepplin
fixed warnings in Migrations.sol
fixed all but 1 warning in TBIncentiveLayer.sol (should be fixed with issue #15 )