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I am getting this error, when I deploy contract by using web3.

TypeError: Cannot create property 'from' on string '0xf901b08083022591808080b90160608060405234801561001057600080fd5b506040516020806101408339810180604052602081101561003057600080fd5b8101908080519060200190929190505050806000819055505060e9806100576000396000f3fe6080604052348015600f57600080fd5b5060043610603c5760003560e01c8063822a634a146041578063c412eaba14606c578063ca6158cb146088575b600080fd5b606a60048036036020811015605557600080fd5b810190808035906020019092919050505060a4565b005b607260ae565b6040518082815260200191505060405180910390f35b608e60b7565b6040518082815260200191505060405180910390f35b8060008190555050565b60008054905090565b6000548156fea165627a7a723058207942a879e753640985945a1fc5ac2fb685daaae7c7dec98582b4a34a960ab0b200290000000000000000000000000000000000000000000000000000000000000001820bfaa037ab41699c31e6408133701bf0890d8c50ece7f811572150d21baba78d99ce79a049c7e9372c52625b39736e01448754474debaef93150fb555339bace9c9099d5'

This is my code


await web3.eth.accounts.wallet.add({
      privateKey: privateKey,
      address: address 
    });
    defaultAccount = await address;

    const gasPrice = await web3.eth.getGasPrice();
    console.log(gasPrice)
    const gasEstimate = await itemContract.deploy({ data: bytecode, arguments:[1] }).estimateGas();

      await itemContract.deploy({
        data: bytecode,
        arguments:[1]
      })
      .send({
        from: decryptEtherAccount.address,
        gas: gasPrice,
        gasPrice: gasEstimate,
      }).on('error', (error) => {
          console.log("Error: ", error);
      }).on('transactionHash', (transactionHash) => {
          console.log("TxHash: ", transactionHash);
      }).on('receipt', (receipt) => {
        console.log("Address: ", receipt.contractAddress)
      }).then((newContractInstance) => {
          console.log(newContractInstance);   
      }).catch(function(error) {
          console.log(error);
      });

Are there any problem in my code ?

  • 2
    Please console.log(decryptEtherAccount.address) and tell us what you get. – goodvibration Oct 28 '19 at 5:12
0

Look carefully at what you are writing:

gas: gasPrice,
gasPrice: gasEstimate,

It should be:

gas: gasEstimate,
gasPrice: gasPrice,
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