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I am having an issue migrating a contract using Oraclize API to Ganache from Truffle.

However, everything is working fine when running the contract from Remix IDE via MetaMask. As I want to write the frontend of the dapp, how to do that without migrating the contract into Ganache from Truffle?

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In order to use contract you can use web3js only. Create instance of contract

var myContract = new web3.eth.Contract(<ABI>, '0xde0B295669a9FD93d5F28D9Ec85E40f4cb697BAe');

Take a look the documentation https://web3js.readthedocs.io/en/1.0/web3-eth-contract.html

  • Am I understanding it correctly, that I need to first deploy the contract to Ganache from Remix, than copy the ABI from Remix to my a JS file and then import it to the var MyContract? – Ruham Oct 20 '18 at 10:56
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    yes. deploy -> copy ABI and address -> put in dapp -> instantiate contract -> communicate with the contract – Aquila Oct 20 '18 at 11:02
  • Do you know how does this work in React? Do I have to instantiate this once when the component will mount? And is that the address of the contract owner? – Ruham Oct 21 '18 at 11:56
  • You can instantiate in didMount event or globally. That address is contract address. – Aquila Oct 21 '18 at 12:18

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