Questions tagged [contract-deployment]
The act of pushing a compiled smart contract in byte code to the Ethereum blockchain.
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Is it okay to define the following smart contract that a accepts funds from two parties?
I want to deploy a smart contract that receive funds from two parties. The contract is initialized with some ethers from person (call it revealer), and another Recipient (name it fineRecipient) who ...
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Why I can't use two functions with same name, but different parameters
I have a function which returns address but it gives me error if I try to read it.
I'll explain by a quick example:
Solidity:
contract TestOneReturn
{
mapping(uint => uint) m_Data;
...
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web3.eth.getAccounts() : Cannot read property 'map' of undefined
const HDWalletProvider = require('truffle-hdwallet-provider');
const Web3 = require('web3');
const provider = new HDWalletProvider( 'passphrase', 'rinkeby.infura.io/v3/mytoken' );
const web3 = new ...
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1answer
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Condition for changing a smart contract
I'm developing an application using smart contracts. I wonder if it is possible to establish different states for a contract, for example:
User 1 determines a condition X, but also determines that ...
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Contract deployed address
Is there a way to save the deployed contract address into a variable. Something related to a constructor that save the deployed address into the variable?
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1answer
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What is the difference between these 2 smart contracts?
I noticed some smart contracts have there name,symbol, and supply set up like this example #1 and setup a defined constructor. Notice, they did not fill in the "string public symbol", "string public ...
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2answers
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What is the difference?
I noticed some smart contracts have the wallet address of the creator in the smart contract to send the tokens to the wallet like example #1:
Example #1:
constructor() public {
symbol = "...
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Contract deployment not working anymore
So I have this following code that was working a couple of weeks ago and today I decided to run a few tests and it just doesn't do its job anymore.
function approve(rid, guest_wallet, ctr_key, dti, ...
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1answer
27 views
DeployError: Provided address is invalid,the capitalization checksum test failed,or its an indrect IBAN address which can't be converted
I have the following code:
var account = web3.utils.toChecksumAddress("0x249eb..")
const accounts = await web3.eth.getAccounts();
let Contr = new web3.eth.Contract(abi, {from: account, gas: 47000, ...
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1answer
56 views
Why do truffle compile or migrate commands fail silently?
Truffle v5.0.3 config:
truffle-config.js
module.exports = {
// See <http://truffleframework.com/docs/advanced/configuration>
networks: {
development: {
host: "127.0.0.1", //also ...
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1answer
25 views
ERC223 Token doesn't transfer while working with data field in transfer() function
Instead of showing tokens the output shows Internal transactions or just contract interactions. what changes are needed to transfer tokens to any other ERC223 receiver contract?
function transfer(...
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How to map one to many
I am working on rent agreement and I have a situation here
One landlord can have multiple properties
every property have different details (property details, values)
now I want to link property ...
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1answer
39 views
Cannot deploy contract on private network with truffle: gas required exceeds allowance or always failing transaction
I'm writing a contract based on the ring mixer contract from here https://ropsten.etherscan.io/address/0x5e10d764314040b04ac7d96610b9851c8bc02815
I've tested it with ganache. Everything worked fine ...
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0answers
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Passing constructor arguments in the NewContractCreation in go-ethereum
I am trying to create a transaction to deploy a contract using the types.NewContractCreation() method in the core folder of go-ethereum. However I don’t understand how to pass the parameters of the ...
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0answers
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All gas consumed when deploying contract
When deploying a contract, my transaction fails (flag status set to 0) and all gas is marked as used. What could be the possible reasons?
Any help appreciated
Edit with the solidity code in ...
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2answers
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Call to smartcontract without address
Lately I had a conversation with someone who says that it is possible to make a call to the smart contract without giving the address. He said it's possible to send certain parameters and by them the ...
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1answer
15 views
Import a contract hosted on a testnet from it's address
I have a smart contract that imports another, and I'm wondering how to deploy them to a testnet.
Right now, one contract imports the other locally;
import "./firstContract.sol"
contract ...
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0answers
24 views
getting error solidity-member-transfer-not-found-or-not-visible-after-argument-dependent
I am trying to create one contract for Lottary app however I am getting error as
" browser/test.sol:103:9: TypeError: Member "transfer" not found or not visible after argument-dependent lookup in ...
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1answer
22 views
Getting error : Error encoding arguments: SyntaxError: Unexpected number in JSON at position 47
While developing a Smart Contract with Solidity on Remix, after creating the contract I'm trying to calling function setGrantAddress:
mapping (address => uint256) public balanceOf;
but when I call ...
0
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1answer
32 views
Unable to input address[] parameter in remix
I need help for deploy below smart contract on remix IDE. I have facing a problem as I need to input to 'setgrantaddress' as address[], How to input data in it?
There is two file name owned.sol and ...
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1answer
23 views
Calling a contract's function with input parameters and passing ether from Geth/Web3
I have deployed a smart contract which basically splits the incoming funds to the specified addresses based on the entered ratio parameter.
Please find the code below:
pragma solidity ^0.4.23;
...
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1answer
55 views
Remix - Contract creation initialization returns data with length of more than 24576 bytes. The deployment will likely fails). What can be done?
I get the following error when deploying my contract in Remix:
Contract creation initialization returns data with length of more than 24576 bytes. The deployment will likely fails.
More info: eip-...
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1answer
44 views
Error: Returned error: VM Exception while processing transaction: revert
pragma solidity ^0.5.0;
contract MultiSignatureWallet {
uint constant public MAX_OWNER_COUNT = 2;
event Confirmation(address indexed sender, uint indexed transactionId);
event Revocation(...
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1answer
28 views
Zero knowledge contingent payment on etherum?
I know that bitcoin supports Zero knowledge contingent payment (ZKCP) , can etherum support such ZKCP Payment ?
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1answer
53 views
Importing in SOLC to deploy smart contract
I don't run an Ethereum framework like Truffle and I want to deploy a smart contract using infura node.
The smart contract is very simple:
pragma solidity ^0.5.2;
import "http://github.com/...
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1answer
78 views
TypeError: Return argument type bytes32 is not implicitly convertible to expected type (type of first return variable)
I have one issue while deploying the below contract.could anyone help me to find the issue as unable to find issue.
pragma solidity >=0.4.22 <0.6.0;
contract Lottery {
address payable[] ...
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1answer
65 views
Contract deployment using web3.eth.contract(abi) with constructor arguments
I'm trying to deploy the following smart contract:
pragma solidity ^0.5.00;
contract TestContract {
address public owner;
string public word;
constructor(string memory _word) public{
...
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2answers
16 views
Optimization Exception Remix Editor
I am trying to compile my solidity code in remix editor. I keep getting this error "Optimization exception during compilation". I was using solidity version 0.5.2 till day before yesterday. Now, It is ...
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2answers
35 views
How truffle selects the address with which it deploys a smart contract with and where does it gets it's private keys?
I am reading truffle tutorials for deployment smart contract to gauche, I've never deployed any smart contract to real network.
Now when migrate (deploy) a smart contract I get these info:
...
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2answers
30 views
Can smart contract send tokens/eth if it doesn't have a send function?
Let's assume you just created 1,000 tokens at address 0x012345.
You, the owner of 0x012345 sent by mistake all tokens and 1ETH to a smart contract with address 0x987654.
This smart contract doesn't ...
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1answer
33 views
What does etherscan mean by “Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)”?
I'm inspecting a contract on etherscan, at the following URL:
https://etherscan.io/address/0x5cb5f46a655c02889172323760d12d0e5d83cdaf#code
At the bottom of the web-page, I see two sections:
...
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1answer
29 views
How can I retrieve the constructor arguments used during contract deployment
I know how to extract the constructor arguments out of the transaction object returned from a contract-deployment operation.
It is explain in web3.js official documentation here.
But this is not an ...
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0answers
28 views
`etherlime deploy` fails with Error: invalid sender
I am trying to deploy a contract with etherlime to a private permissioned Quorum network:
etherlime init --> OK
etherlime compile --> OK
etherlime deploy --> Error
Error:
Compilation ...
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0answers
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I want to use Ledger Nano S to deploy the contract, but not working
I wanted to deploy the contract with the Ledger Nano S wallet, but not working on truffle. I installed npm package 'truffle-ledger-provider' and followed the practice. But I got an error ...
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0answers
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state channel between smart contracts
In my scenario, there are data sellers and data buyers which might be persons or organizations.
I would like to create a smart contract for data seller and another smart contract for data buyer where ...
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1answer
62 views
Error that contract is not convertible to expected type address
In older solidity compilers this code snippet works. In newer compilers, I get an error. Can someone what I need to change so it works again? I get the following error message: "Type contract ...
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1answer
24 views
When does a Smart contract get executed/called
I'm fairly new to Ethereum and Smart Contracts.
After i publish a Smart Contract on the Chain, on what ways or how will it be executed? Who can call my Smart Contract? And under what conditions?
I'm ...
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1answer
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General question about totalSupply: fixed since first moment (aka Bitcoin) or indefinite (aka Ethereum)?
In an answer to a general question about totalSupply, I gave some rough indication about the aim of token deployer vs totalSupply: Why is the totalSupply of this token statically initialized to ...
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2answers
24 views
What is the main use of approveAndCall() function and _extraData?
function approveAndCall(address _spender, uint256 _value, bytes _extraData) returns (bool success) {
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
if(!...
0
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1answer
56 views
Why is the totalSupply of this token statically initialized to 5500000000?
contract UnixERC20 is StandardToken {
function() {
throw;
}
string public name;
uint8 public decimals;
string public symbol;
string public version = 'H1.0';
...
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3answers
53 views
Contract methods calls return empty array
I'm quite stuck with this issue. It seems like it must work, but it doesn't :D
Have a contract on rinkeby network which is working perfectly through remix(load by address) and truffle console. ...
0
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1answer
32 views
Error while deploying smart contract- This contract does not implement all functions and thus cannot be created
I have written and complied a smart contract written in Solidity for token and crowdsale. Compilation was successful with no errors in Remix IDE. Here is my smart contract
pragma solidity ^0.4.25;
...
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1answer
52 views
Infura not broadcasting contract deployment transaction
I am attempting to deploy a contract via an Infura node, and I am the point where a txhash is generated from the sendSignedTransaction() web3 function. However, after the txhash is generated nothing ...
0
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1answer
41 views
ethers.js ContractFactory not deploying
After following the ethersjs 4.0 documentation I am not able to deploy a contract. When running browserify I get an "Unexpected Token" error message at the line
let contract = await factory.deploy("...
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2answers
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Understand a smart contract semantics
I am writing to understand a smart contract which seems quite "meaningless" to me.
The contract is at (https://etherscan.io/address/0xd4fa166d5ffe8f78230fc05e6850881dc08b2da2#code) but indeed over ...
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0answers
39 views
contract does not gets deploy to rinkeby via Infura
I am trying to deploy my contract to Rinkeby network via Infura. But it actually does not get deploy to network when i run node deploy.js terminal does not spit out the address at which it is deployed....
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1answer
41 views
Truffle Deploy gas limit exhausted
I kept on getting this error. 9/10 of my deployment will fail. But out of the sudden it will be success without any reason.
I have checked the transaction receipt and indeed it had reaches the gas ...
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0answers
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Is there a way for a smart contract to manage a codebase?
For example, could one set up a smart contract with governance protocols which could merge PR’s in a github repository? How might one govern open source via a smart contract?
In a related vein, is ...
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1answer
26 views
Recover Deployed Contract on Remix
I am working on the text, Mastering Ethereum and I deployed a contract and sent it test ether. However, for unrelated reasons I had to restart my browser, upon returning the only way I could continue ...
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1answer
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What about calls you can do safely in constructor?
As a matter of fact, there is more than one discussion about what are the call you can safely do in the constructor.
Someone thinks “avoid all external call”, some other says “avoid to use ‘this’ or ...
