AAZZ123

> I fixed with bigNumber > > function calculate_gas_price(action, amount){ console.log("amount",amount); if (action==="buy"){ const data=ethers.utils.formatUnits(amount.add(1000000000), 'wei') return ethers.BigNumber.from(data.toString()) > > }else{ > > const data=ethers.utils.formatUnits(amount.sub(1000000000), 'wei') return ethers.BigNumber.from(data.toString()) } }...