Questions tagged [truffle-compile]

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votes
2answers
604 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 ...
0
votes
1answer
23 views

When I run truffle compile I get a ParserError: syntax error

Error i'm getting back when I run truffle compile ParserError: Expected ';' but got 'contract' How my contract looks: pragma solidity ^0.6.0; import "@openzeppelin/contracts/token/ERC721/...
0
votes
1answer
302 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/...
0
votes
1answer
110 views

truffle solc specific compiler fail

,/C/Users/juhne/ipfs-image-dapp/contracts/Migrations.sol:1:1: ParserError: Source file requires different compiler version (current compiler is 0.5.16+commit.9c3226ce.Emscripten.clang - note that ...
0
votes
1answer
100 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 ...
1
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0answers
41 views

Is it possible to create a button “connect to wallet”?

I'm learning web3 and blockchain in general. I'd like to create a button that says "connect to wallet " in order to connect with metamask wallet, but I do not know if 1- I need to connect ...
1
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0answers
18 views

Running Truffle Compiler, Babel-register missing

I fixed my truffle config file so it's working properly require('babel-polyfill'); require('dotenv'); config(); module.exports = { networks: { development : { host : "127.0.0.1"...
1
vote
1answer
615 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
vote
1answer
397 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
1
vote
1answer
85 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 ...
0
votes
0answers
16 views

Received DeclarationError when calling other contracts file name and its function

So I created 2 contracts where the first one will be the app logic contract and the other one is the database contract. So I tried to "truffle compile" my contract but receive ...
0
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0answers
22 views

Truffle Mainnet - “No contracts deployed.”

I really need help! I created an ERC721 smart contract and deployed into the rinkeby test network. All was nice, after that I deployed into mainnet. I set the gas price to 65 Gwei. Now the contract is ...
0
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2answers
21 views

Compile error on address.call

My syntax seems to be ok, so I do not understand this CompileError
0
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1answer
222 views

Truffle artifacts are not being generated when compiling

I am new to smart contract development and I am trying to deploy my first contract. When running the truffle compile for the first time I can see that a build folder was generated on my project ...
1
vote
1answer
137 views

Can an ABI file be made from separate json files by stripping out information?

I am looking at the CryptoKitties KittyCore contract. What I notice is that there are multiple contracts within the file. (https://etherscan.io/address/0x06012c8cf97bead5deae237070f9587f8e7a266d#code)....
0
votes
2answers
169 views

Problem with smart contract deployment

I have compiled test crowdsale smart contract with inheriting from other contracts( like TestToken is MintableToken). The main smart contract consists only of one file, where I described all ...
0
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0answers
50 views

Slither not working with Truffle imports

Currently I have a project that needs slither run against it so I pulled down the docker image for slither as specified in the docs here https://hub.docker.com/r/trailofbits/slither/, then I shared ...
4
votes
2answers
985 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 ...
1
vote
1answer
23 views

Error: “Expected ',' but got 'memory'” in Nodejs/truffle console when trying to compile

CompileError: /C/Users/Asusupernova/Downloads/TrufflePart2/contracts/Hello.sol:8:30: ParserError: Expected ',' but got 'memory' constructor(string _name memory) public { ...
2
votes
3answers
2k views

ParserError: Expected identifier, got 'LParen'

I am following the truffle tutorial for creating a token. I get this error when trying to compile the contract. ParserError: Expected identifier, got 'LParen' constructor () public { ...
1
vote
1answer
42 views

CompilerError: Stack too deep, try removing local variables [duplicate]

While trying to fetch more than 6 variables I am having an issue. /** * Get data based on report id */ function getData(uint256 id) public view returns ( ...
0
votes
0answers
266 views

TypeError: Cannot read property '0' of undefined AND TypeError: eventAdded.watch is not a function

I'm currently trying to test run source code from GitHub based on a 2018 tutorial where solidity was using version 0.5.16. I'm currently using truffle v4.1.14. Appreciate any help. Thanks! In the ...
1
vote
1answer
340 views

TypeError: “send” and “transfer” are only available for objects of type “address payable”, not “address”

I'm currently trying to test run source code from GitHub based on a 2018 tutorial where solidity was using version 0.5.16. I'm currently using truffle v4.1.14. I understand that there was an update ...
0
votes
1answer
298 views

TypeError: Operator >= not compatible with types bytes1 and int_const 37

pragma solidity ^0.5.16; library EmailRegex { struct State { bool accepts; function (byte) internal pure returns (uint) func; } function state(uint id) internal pure returns (State ...
2
votes
1answer
1k 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-...
0
votes
1answer
235 views

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 ...
0
votes
0answers
34 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 ...
0
votes
1answer
407 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 { ...
0
votes
1answer
74 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....
1
vote
2answers
488 views

Getting async/await to work in truffle JS tests

I see many examples are happily using async/await in their JS tests, but it looks like mine doesn't seem to be using ES8? I'm not sure how to check. I installed truffle using "npm install truffle" ...
0
votes
0answers
74 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, ...
1
vote
2answers
1k 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 ...
0
votes
1answer
119 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 ...
0
votes
1answer
22 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 ...
0
votes
1answer
60 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; ...
0
votes
0answers
234 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 ...
1
vote
1answer
873 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/...
0
votes
2answers
888 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) { ...
0
votes
1answer
490 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 ...
1
vote
3answers
1k 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. ...
0
votes
1answer
270 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 ...
2
votes
1answer
1k 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 ...
0
votes
2answers
1k 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 ...
0
votes
2answers
4k 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-...
0
votes
1answer
230 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 ...
0
votes
1answer
330 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
votes
2answers
939 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 ...
0
votes
1answer
922 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
votes
1answer
483 views

Truffle “TypeError: Cannot read property 'legacyAST' of undefined”

I had just finished editing what seems like the last of my error in my contracts because truffle will get to the last contract I have to compile, hangs for a second and the does this: Compiling ./...
0
votes
0answers
432 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? ...