Questions tagged [truffle-compile]

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How to re-compile contracts using truffle which are updated?

I deployed something in the test-net(ropsten). Later, realized that one of my contracts needs some amendments. In such cases how to compile specific contracts and deploy only that contract using ...
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0answers
19 views

Compile error. Fallback function error

I use pragma 0.6.2. I am trying copile in truffle code which contain this lines: fallback() external payable{} I an getting error: The payable fallback function is defined here. fallback() external ...
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1answer
38 views

Compilation Error

Hi guys I got this error when I try to compile using truffle develop. truffle(develop)> compile Compiling your contracts... Compiling ./contracts/StarNotary.sol /mnt/d/Blockchain/...
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1answer
113 views

Solidity ^0.6.0 Truffle Compile Error: Cannot read property … of undefined

I initalised a new truffle project by using truffle init. I changed the solc version to ^0.6.0 in the truffle-config.js file. I ran truffle compile and got this error: TypeError: Error parsing C:/init-...
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1answer
58 views

Error compiling OpenZeppelin 3.0 ERC20 using Truffle

I'm trying to compile this code using the Truffle command truffle compile pragma solidity ^0.6.0; import "@openzeppelin/contracts/token/ERC20/ERC20.sol"; contract GLDToken is ERC20 { ...
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1answer
33 views

Error in smart contract solidity [closed]

Hello i have some problem when i compile my smart contract with truffle i use the network of truffle develop Truffle v5.1.14-nodeLTS.0 (core: 5.1.13) Solidity - ^0.4.0 (solc-js) Node v13.1.0 Web3....
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0answers
18 views

How to keep track of deployed versions and implement a CD strategy with truffle?

My original question on SO here didn't had much success... so I copy/paste it here, hoping for more interest. Thanks in advance! I'm working on a dapp project which includes a main smart contract, ...
0
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1answer
22 views

mnemonic.includes in not a function

I've been trying to compile my solidity smart contracts So I'd be able to deploy them on the Ropsten Test network when I run truffle compile I get this error : TypeError: mnemonic.includes is not a ...
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1answer
19 views

looking for a start in solidity [duplicate]

I am totally new to the Solidity Programing. I was working on NodeJS, express and mongoDB. Few days ago I started working on blockchain. I have to write the API'S for contracts. We are using truffle ...
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2answers
222 views

ParserError: Expected '{' but got reserved keyword 'override'

Can someone explain to me about this error? I just tried override feature in Solidity v0.6, but I got error Expected '{' but got reserved keyword 'override' function totalSupply() public override ...
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1answer
37 views

Smart Contract Deployment Failed PowerShell

A beginner smart contract developer here. This is my smart contract: pragma solidity ^0.5.16; contract Ballot { struct Voter { uint weight; bool voted; uint8 vote; ...
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0answers
41 views

TypeError: Operator != not compatible with types string storage ref and int_const 0

Im using blockchain technology for the first time, for a college project. Im trying to run a smart contract from Github (in Powershell windows 10). Im unable to compile the contract due the following ...
0
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1answer
30 views

Im getting the following error: ParserError: Expected primary expression. struct ManagingOrder.Parking memory new_Parking = Parking({

Im using blockchain technology for the first time, for a college project. Im trying to run a smart contract from Github. After debugging the errors shown while compiling the smart contract (in ...
0
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1answer
104 views

Enabling truffle compile optimizer does not change the deployment gas cost

I am trying to deploy my contract by enabling the optimizer to see how much I can save from the gas costs. I am using truffle for the deployment. In truffle I enable the optimizer by the following ...
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0answers
41 views

Truffle - set or disable optimizer only for selected contracts

I have over 40 contracts in my project, for example: admin groups votings registry token In my truffle config I have optimizer enabled with 600 runs. compilers: { solc: { version: "0.5....
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1answer
114 views

truffle compile/migrate gives error: “ParserError: Expected pragma, import directive or contract/interface/library definition.”

The tutorial I'm following created a 2_Migrations.sol with the following: const Token = artifacts.require("Token"); module exports = function(deployer) { deployer deploy(Token); }; "Truffle ...
1
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1answer
176 views

what is 'UnimplementedFeatureError: Not yet implemented - FixedPointType' error?

what is 'UnimplementedFeatureError: Not yet implemented - FixedPointType' error in solidity while compiling through truffle ? How to fix it ? Using solidity compiler version - 0.5.9
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1answer
618 views

Could not find __Truffle__NotFound.sol from any sources

This is the file I'm trying to compile. I've been using truffle for a few years and I remember that we used to be able to compile files with different names than the contracts inside. I'm using ...
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2answers
568 views

ParserError: Expected identifier, got 'LParen' constructor() public {

i don't know why i get this problem, anybody who can helps thanks a lot pragma solidity ^0.4.21; contract MathContract { function mulAtoB(uint a, uint b) pure public returns(uint) { ...
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1answer
85 views

ReferenceError: config is not defined [closed]

require("babel-register"); require("babel-polyfill"); require("dotenv"),config(); module.exports = { networks: { development: { host: "127.0.0.1", port: 7547, network_id: "*" ...
0
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1answer
91 views

ERC721Enumeration: DeclarationError for tokenOfOwnerByIndex(address owner, uint256 index)

I am new to the smart contract and please let me know why I have the error shown below. I compiled with the command, "truffle compile". I did not make any particular edits to the original contract ...
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2answers
2k views

File import callback not supported import “./IERC20.sol”;

when I try to compile my contract I see errors like this : DemirelToken.sol https://eksiup.com/p/4z49413damc3 here's the code : pragma solidity ^0.5.0; import "node_modules/openzeppelin-...
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2answers
383 views

Unused function parameter. Remove or comment out the variable name to silence this warning

I have a smart contact which have 2 owner address and 3 functions. my set functions is set a users with msg.sender and my getUser functions is returns name,surname and age and I want to add a admin ...
1
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1answer
375 views

“Migrations” hit an invalid opcode while deploying on deploy Migrations.sol with Truffle

An error occurs when truffle migrate try to deploy Migrations.sol contract, i don't understand why pragma solidity >=0.4.21 <0.6.0; contract Migrations { address public owner; uint public ...
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0answers
319 views

Truffle.js file is not created with truffle init command

I have run the truffle init command successfully with creating the following directories and files such as contracts, migrations, test, and truffle-config.js but the one file is missing as truffle.js? ...
1
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1answer
385 views

Truffle compile fails: could not find file from any sources

I'm following the steps of this tutorial. I created a simple contract, TodoList.sol pragma solidity ^0.5.0; contract TodoList { uint public taskCount = 0; } Then I run truffle compile and get ...
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2answers
695 views

Truffle: Error: Could not find a compiler version matching 0.5.0

I wonder why I get the error when I have v0.5.0 everywhere and do the following: In my Action.sol: pragma solidity ^0.5.0; In Migrations.sol: pragma solidity >=0.5.0 <0.6.0; When running truffle ...
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0answers
71 views

solc command is generating empty .bin files

Firstly, this is not an inheritance problem like in this post I have the following two files ( ManagedWallet.sol & ManagedWalletLookup.sol ) pragma solidity ^0.4.24; contract ...
7
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2answers
187 views

Is it safe to commit truffle build files to Github (open source)?

Regarding the json build files that Truffle produces based off of my smart contract, is it safe for this information to be treated as public? I just want to be sure it doesn't contain any sensitive ...
1
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1answer
427 views

UnimplementedFeatureError: Encoding type “struct BiddingContract.Bidder memory” not yet implemented

The code is broken with the new upgrade v0.5, using Truffle v5.0.1 (core: 5.0.1) struct Bidder { address bidders_address; uint productId; uint bidValue; } struct Product { uint ...
1
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1answer
406 views

Truffle will not compile contract written in VS code. Pragma error

I'm trying to run example from https://truffleframework.com/tutorials/pet-shop, but when I run truffle compile I get error saying Error parsing C:/WINDOWS/system32/TruffleTest/pet-shop-tutorial/...
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0answers
174 views

Struct Mapping: DeclarationError: Identifier not found or not unique for

Using openzepplin version 2.0.0 and solc version 0.5. I am writing an ERC721 token contract on truffle. Truffle compiles with no error on solc 0.4.23. I had to upgrade to 0.5 due to openzepplin ...
1
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1answer
526 views

truffle: ParserError: Expected identifier but got 'payable' address payable []array; ^-----^ Compilation failed

While compiling in truffle I got an error because of payable modifier. If I remove payable then there's no error. But I want to use payable. Can anyone please help me? error: truffle(develop)> ...
1
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1answer
398 views

ParserError: Expected identifier but got 'payable'

function getWinners() public onlyOwner { require (now > endQuiztime, 'Quiz did not end '); require (isReveal, "You didnt reveal Questions"); // calculate winner for each ques based on ...
0
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0answers
826 views

FATAL ERROR: Rebalance Allocation failed - process out of memory

So while running truffle compile for my contracts on AWS Ubuntu server I got the following error: <--- Last few GCs ---> [17055:0x3985730] 11958 ms: Scavenge 511.7 (553.4) -> 506.9 (553.4) ...
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3answers
873 views

Truffle migrate no error but does not create build directory

I'm trying to develop a simple dapp using ReactJS.I used Charterhouse/truffle-create-react-app box suggested by truffle website. The problem is truffle compile and truffle migrate do not seem to work. ...
-1
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1answer
117 views

Problem with the compilation in the truffle framework

I made a smart contract in Remix-Solidity IDE, when I compiled it I had no errors and I was able to remove the contract but when I tried to use the truffle for my Dapp and compiled it it showed me ...
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1answer
137 views

ParserError compiling Smart Contract, what's wrong?

I'm getting this error when trying to compile a contract using cmd on windows: Error parsing C:/Users/alexa/Desktop/contracts/contracts/ApprovalContract.sol: ParsedContract.sol:6:37: ParserError: ...
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0answers
67 views

Interacting with contracts on Solidity 0.4.* and Solidity 0.5.* in Truffle v5

I have a big contract (A) that is built using Solidity 0.4.25. I also want to build several contracts (B) that will talk to (A), but they will be built using Solidity 0.5.*. As I understand, I will ...
1
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1answer
269 views

Solidity 0.5 Truffle Compile Error

I just upgraded my code to Solidity 0.5 and am trying to use the truffle framework with it. I did update my code in Remix and installed truffle@beta so that it can use v5. The problem I have is that ...
4
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2answers
879 views

Truffle Compile with Solidity 0.5.0

I just upgraded my code to Solidity 0.5 and am trying to use the truffle framework with it. I did update my code in Remix and it does seem to work. The problem I have is that I am unable to compile ...
0
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1answer
501 views

how do i fix Expected primary expression error

Expected primary expression. j* = 10; ^ $ truffle migrate Error parsing C:\Users\Welcome\Downloads\ethereum-dapp\contracts\Integers.sol: ParsedContract.sol:29:16: ...
2
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1answer
2k views

truffle compile with solc 5.0.0 error: solc.compileStandard is not a function [duplicate]

Trying to use Solidity v0.5.0 with Truffle. Starting v5.0.0 Truffle allows setting solc version in truffle.js, as per its docs I tried both native compilers: { solc: { ...
1
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1answer
78 views

Truffle console no compile or init options

While using truffle.cmd console I tried to use the compile option, or even init. These options are not available, so I cannot compile using console. truffle(development)> .help .break Sometimes ...
2
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2answers
76 views

Working of Truffle

The following is my code in solidity pragma solidity ^0.4.2; contract DappToken { //Constructor // set no of Tokens // Read the total number of Tokens uint256 public totalSupply; ...
2
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2answers
1k views

'truffle compile': TypeError: Type uint256 is not implicitly convertible to expected type tuple(uint256,address)

Attempting to test this repo in Ubuntu 18.04: https://github.com/ETH-Pantheon/Aion Truffle v4.1.14 (core: 4.1.14) Solidity v0.4.24 (solc-js) Here is the main contract I've already deployed to my ...
0
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1answer
344 views

Pass parameters into Solidity Constructor from Truffle CONSOLE

How do we pass in constructor parameters to a contract that we want to test? I understand that the initial contract deployment occurs in the migrations file, but if, for testing/debugging purposes, we ...
1
vote
1answer
642 views

Error compiling OpenZeppelin imported contracts

I'm running a truffle project and have imported OpenZeppelin contracts. While running truffle compile I'm facing following error: github.com/OpenZeppelin/openzeppelin-solidity/contracts/crowdsale/...
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0answers
38 views

truffle can not build success

when I fllow this document step by step enter link description here,I have something wrong with my truffle build,and I delete truffle.js ,this is photo, please help thx!!
3
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1answer
471 views

I'm getting an error when i have more than 3 indexed arg for an event

I want to add all the arguments for my event to be indexed event TokenPurchase( address indexed purchaser, address indexed beneficiary, uint256 indexed value, uint256 indexed amount, ...