Just run:
yarn
yarn start
and go to etherscan and notice failing txs: https://kovan.etherscan.io/address/0x420a60B7A1347605DafAa1C158e7B403397b8402
Just run:
yarn
yarn start
and go to etherscan and notice failing txs: https://kovan.etherscan.io/address/0x420a60B7A1347605DafAa1C158e7B403397b8402