I am trying to deploy the contract using web3.js@1.2.6
i have mentioned the error and code that i have typed i m stuck in line 10
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1Gee, you couldn't think of a better way than taking a photo of your screen with a camera??? I can see the background of your room there. A screenshot is just one simpler option, which is also not reccommended here, since users cannot copy/paste parts of your code into their answers. A copy/paste of your code into the question is the preferred way for posting questions here. Please do so.– goodvibrationFeb 28, 2020 at 10:21
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var Web3 = require('web3') var web3 = new Web3(new Web3.providers.HttpProvider("localhost:8545")); web3.eth.accounts code = fs.readFileSync('blockchain/voting.sol').toString() solc = require('solc') compiledCode = solc.compile(code) abiDefinition = JSON.parse(compiledCode.contracts[':Voting'].interface) VotingContract = web3.eth.contract(abiDefinition)– Kaarthiga AyyappanFeb 28, 2020 at 10:56
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This is d code i m trying and it gives error– Kaarthiga AyyappanFeb 28, 2020 at 10:57
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Downvoted, pictures are not searchable, please add code.– DRPFeb 28, 2020 at 14:03
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github.com/amand1996/Votechain– Kaarthiga AyyappanFeb 28, 2020 at 14:21
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2 Answers
Obviously, I didn't replicate the code. You should try to upload code blocks that would allow us to replicate your code fast.
Nevertheless, my guess is that the error on you line 10 is caused because of web3.eth.Contract(...) expecting 2 arguments, ABI and Address of Contract, and you just gave it the ABI. Check the documentation and the following example they have here. Also, the function Contract is with a capital 'C'. Hope that helps
answered Feb 28, 2020 at 9:38
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2Check this web3js.readthedocs.io/en/v1.2.0/web3-eth-contract.html#deploy Feb 28, 2020 at 11:26
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1I don't think you're supposed to know the address of the contract you're deploying. You only need the address along with the ABI if you're trying to interact with an already deployed contract with web3. Feb 29, 2020 at 1:21
In web3.js v0.x, use web3.eth.contract.
In web3.js v1.x, use new web3.eth.Contract.
answered Feb 28, 2020 at 10:22
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I have used it still it gives as web3.eth.contract is not a function Feb 28, 2020 at 10:48
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@KaarthigaAyyappan: Good. So you can use the second option, as suggested in my answer. Feb 28, 2020 at 12:26