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Deploy new contract through another contract function in Truffle

1

I have a function in my contract minter.sol that creates another contract etnX.sol:

function createNewContract(string memory name, string memory symbol, uint256 _maxSupply) 

public onlyOwner {

    etnX c = new etnX(name, symbol, _maxSupply, address(store));

}

I want to call this function in truffle and get new contract address.
I'm trying to do so:

const minter = artifacts.require('../contracts/minter.sol')

const etnX = artifacts.require('etnX')

const etnXs = [100,200,500,1000,10000,100000,1000000,10000000]

module.exports = async function(deployer) {

    deployer.deploy(minter).then(async() => {

       var minterInstance = await minter.deployed();

       for (var i=0; i<etnXs.length;i++)

           await minterInstance.createNewContract("x","x", etnXs[i]);

           var x = await etnX.deployed();

           console.log(x.address);

    })

};

However, it doesn't deploy. Can someone explain me how to do this?

truffle dapp-development testing truffle-migration truffle-deployment

share|improve this question

asked 18 hours ago

AleksandrAleksandr

509

add a comment | 

1

I have a function in my contract minter.sol that creates another contract etnX.sol:

function createNewContract(string memory name, string memory symbol, uint256 _maxSupply) 

public onlyOwner {

    etnX c = new etnX(name, symbol, _maxSupply, address(store));

}

I want to call this function in truffle and get new contract address.
I'm trying to do so:

const minter = artifacts.require('../contracts/minter.sol')

const etnX = artifacts.require('etnX')

const etnXs = [100,200,500,1000,10000,100000,1000000,10000000]

module.exports = async function(deployer) {

    deployer.deploy(minter).then(async() => {

       var minterInstance = await minter.deployed();

       for (var i=0; i<etnXs.length;i++)

           await minterInstance.createNewContract("x","x", etnXs[i]);

           var x = await etnX.deployed();

           console.log(x.address);

    })

};

However, it doesn't deploy. Can someone explain me how to do this?

truffle dapp-development testing truffle-migration truffle-deployment

share|improve this question

asked 18 hours ago

AleksandrAleksandr

509

add a comment | 

I have a function in my contract minter.sol that creates another contract etnX.sol:

function createNewContract(string memory name, string memory symbol, uint256 _maxSupply) 

public onlyOwner {

    etnX c = new etnX(name, symbol, _maxSupply, address(store));

}

I want to call this function in truffle and get new contract address.
I'm trying to do so:

const minter = artifacts.require('../contracts/minter.sol')

const etnX = artifacts.require('etnX')

const etnXs = [100,200,500,1000,10000,100000,1000000,10000000]

module.exports = async function(deployer) {

    deployer.deploy(minter).then(async() => {

       var minterInstance = await minter.deployed();

       for (var i=0; i<etnXs.length;i++)

           await minterInstance.createNewContract("x","x", etnXs[i]);

           var x = await etnX.deployed();

           console.log(x.address);

    })

};

However, it doesn't deploy. Can someone explain me how to do this?

truffle dapp-development testing truffle-migration truffle-deployment

share|improve this question

asked 18 hours ago

AleksandrAleksandr

509

function createNewContract(string memory name, string memory symbol, uint256 _maxSupply) 

public onlyOwner {

    etnX c = new etnX(name, symbol, _maxSupply, address(store));

}

const minter = artifacts.require('../contracts/minter.sol')

const etnX = artifacts.require('etnX')

const etnXs = [100,200,500,1000,10000,100000,1000000,10000000]

module.exports = async function(deployer) {

    deployer.deploy(minter).then(async() => {

       var minterInstance = await minter.deployed();

       for (var i=0; i<etnXs.length;i++)

           await minterInstance.createNewContract("x","x", etnXs[i]);

           var x = await etnX.deployed();

           console.log(x.address);

    })

};

share|improve this question

asked 18 hours ago

AleksandrAleksandr

509

share|improve this question

asked 18 hours ago

AleksandrAleksandr

509

asked 18 hours ago

AleksandrAleksandr

509

asked 18 hours ago

AleksandrAleksandr

509

2 Answers
2

active

oldest

votes

3

1.) You can make the function emit an event that broadcasts the new address and then check the logs of the transaction receipt. Receipt

// Solidity

function createNewContract(string memory name, string memory symbol, uint256 _maxSupply) 

public onlyOwner {

    etnX c = new etnX(name, symbol, _maxSupply, address(store));

    emit NewContract(address(c));

}



// Javascript

let tx = await minterInstance.createNewContract("x", "x", 300); 

// Look through tx.logs for event results

2.) You can return the contract address in the solidity function and then instead of initiating a transaction make a call() to get the address. (Then make the transaction....it will be deployed at the same address as returned by the call())

// Solidity

function createNewContract(string memory name, string memory symbol, uint256 _maxSupply) 

public onlyOwner 

returns (address) {

    etnX c = new etnX(name, symbol, _maxSupply, address(store));

    return address(c)

}



// Javascript

let addr = await minterInstance.createNewContract.call("x", "x", 300); 

3.) Manually calculate it

share|improve this answer

edited 14 hours ago

answered 16 hours ago

Kyle DewhurstKyle Dewhurst

513

add a comment | 

0

The Cryptocurenncy Very Special When Her Open : Mining Pool / Trading / Hot Wallet With : Ethereum Revolutions : We Target Last Price On The Decemner $120

share|improve this answer

answered 1 hour ago

BIGCRYPTO001BIGCRYPTO001

11

New contributor

BIGCRYPTO001 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

add a comment | 

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3

1.) You can make the function emit an event that broadcasts the new address and then check the logs of the transaction receipt. Receipt

// Solidity

function createNewContract(string memory name, string memory symbol, uint256 _maxSupply) 

public onlyOwner {

    etnX c = new etnX(name, symbol, _maxSupply, address(store));

    emit NewContract(address(c));

}



// Javascript

let tx = await minterInstance.createNewContract("x", "x", 300); 

// Look through tx.logs for event results

2.) You can return the contract address in the solidity function and then instead of initiating a transaction make a call() to get the address. (Then make the transaction....it will be deployed at the same address as returned by the call())

// Solidity

function createNewContract(string memory name, string memory symbol, uint256 _maxSupply) 

public onlyOwner 

returns (address) {

    etnX c = new etnX(name, symbol, _maxSupply, address(store));

    return address(c)

}



// Javascript

let addr = await minterInstance.createNewContract.call("x", "x", 300); 

3.) Manually calculate it

share|improve this answer

edited 14 hours ago

answered 16 hours ago

Kyle DewhurstKyle Dewhurst

513

add a comment | 

3

1.) You can make the function emit an event that broadcasts the new address and then check the logs of the transaction receipt. Receipt

// Solidity

function createNewContract(string memory name, string memory symbol, uint256 _maxSupply) 

public onlyOwner {

    etnX c = new etnX(name, symbol, _maxSupply, address(store));

    emit NewContract(address(c));

}



// Javascript

let tx = await minterInstance.createNewContract("x", "x", 300); 

// Look through tx.logs for event results

2.) You can return the contract address in the solidity function and then instead of initiating a transaction make a call() to get the address. (Then make the transaction....it will be deployed at the same address as returned by the call())

// Solidity

function createNewContract(string memory name, string memory symbol, uint256 _maxSupply) 

public onlyOwner 

returns (address) {

    etnX c = new etnX(name, symbol, _maxSupply, address(store));

    return address(c)

}



// Javascript

let addr = await minterInstance.createNewContract.call("x", "x", 300); 

3.) Manually calculate it

share|improve this answer

edited 14 hours ago

answered 16 hours ago

Kyle DewhurstKyle Dewhurst

513

add a comment | 

1.) You can make the function emit an event that broadcasts the new address and then check the logs of the transaction receipt. Receipt

// Solidity

function createNewContract(string memory name, string memory symbol, uint256 _maxSupply) 

public onlyOwner {

    etnX c = new etnX(name, symbol, _maxSupply, address(store));

    emit NewContract(address(c));

}



// Javascript

let tx = await minterInstance.createNewContract("x", "x", 300); 

// Look through tx.logs for event results

2.) You can return the contract address in the solidity function and then instead of initiating a transaction make a call() to get the address. (Then make the transaction....it will be deployed at the same address as returned by the call())

// Solidity

function createNewContract(string memory name, string memory symbol, uint256 _maxSupply) 

public onlyOwner 

returns (address) {

    etnX c = new etnX(name, symbol, _maxSupply, address(store));

    return address(c)

}



// Javascript

let addr = await minterInstance.createNewContract.call("x", "x", 300); 

3.) Manually calculate it

share|improve this answer

edited 14 hours ago

answered 16 hours ago

Kyle DewhurstKyle Dewhurst

513

// Solidity

function createNewContract(string memory name, string memory symbol, uint256 _maxSupply) 

public onlyOwner {

    etnX c = new etnX(name, symbol, _maxSupply, address(store));

    emit NewContract(address(c));

}



// Javascript

let tx = await minterInstance.createNewContract("x", "x", 300); 

// Look through tx.logs for event results

// Solidity

function createNewContract(string memory name, string memory symbol, uint256 _maxSupply) 

public onlyOwner 

returns (address) {

    etnX c = new etnX(name, symbol, _maxSupply, address(store));

    return address(c)

}



// Javascript

let addr = await minterInstance.createNewContract.call("x", "x", 300); 

share|improve this answer

edited 14 hours ago

answered 16 hours ago

Kyle DewhurstKyle Dewhurst

513

answered 16 hours ago

Kyle DewhurstKyle Dewhurst

513

answered 16 hours ago

Kyle DewhurstKyle Dewhurst

513

0

The Cryptocurenncy Very Special When Her Open : Mining Pool / Trading / Hot Wallet With : Ethereum Revolutions : We Target Last Price On The Decemner $120

share|improve this answer

answered 1 hour ago

BIGCRYPTO001BIGCRYPTO001

11

New contributor

BIGCRYPTO001 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

add a comment | 

0

The Cryptocurenncy Very Special When Her Open : Mining Pool / Trading / Hot Wallet With : Ethereum Revolutions : We Target Last Price On The Decemner $120

share|improve this answer

answered 1 hour ago

BIGCRYPTO001BIGCRYPTO001

11

New contributor

BIGCRYPTO001 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

add a comment | 

The Cryptocurenncy Very Special When Her Open : Mining Pool / Trading / Hot Wallet With : Ethereum Revolutions : We Target Last Price On The Decemner $120

share|improve this answer

answered 1 hour ago

BIGCRYPTO001BIGCRYPTO001

11

New contributor

BIGCRYPTO001 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

share|improve this answer

answered 1 hour ago

BIGCRYPTO001BIGCRYPTO001

11

New contributor

BIGCRYPTO001 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

answered 1 hour ago

BIGCRYPTO001BIGCRYPTO001

11

New contributor

BIGCRYPTO001 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

answered 1 hour ago

BIGCRYPTO001BIGCRYPTO001

11