Got Cannot find module `./build/Release/scrypt` when run `npm run test`

I ran npm run test on openzeppelin-solidity itself and got Error: Cannot find module './build/Release/scrypt'. I expected to see test result.

:computer: Environment
OS: Kubuntu 18.04 LTS
Truffle v5.0.24
Web3.js v1.0.0-beta.37
Node v12.6.0
openzeppelin-solidity: commit#c9f328ef66251db7fac7c704dd6c5523fc53b0ab

:memo:Details

  1. I cloned openzeppelin-solidity.
  2. Installed dependencies with npm i
  3. ran npm run test and got
Compiling your contracts...
===========================
> Everything is up to date, there is nothing to compile.

Error: Cannot find module './build/Release/scrypt'
Require stack:
- /home/title/workspace/openzeppelin-solidity/node_modules/scrypt/index.js
- /home/title/workspace/openzeppelin-solidity/node_modules/scrypt.js/node.js
- /home/title/workspace/openzeppelin-solidity/node_modules/web3-eth-accounts/src/index.js
- /home/title/workspace/openzeppelin-solidity/node_modules/web3-eth/src/index.js
- /home/title/workspace/openzeppelin-solidity/node_modules/web3/src/index.js
- /home/title/workspace/openzeppelin-solidity/node_modules/truffle-contract/lib/contract.js
- /home/title/workspace/openzeppelin-solidity/node_modules/truffle-contract/index.js
- /home/title/workspace/openzeppelin-solidity/node_modules/openzeppelin-test-helpers/src/singletons.js
- /home/title/workspace/openzeppelin-solidity/node_modules/openzeppelin-test-helpers/index.js
- /home/title/workspace/openzeppelin-solidity/test/crowdsale/AllowanceCrowdsale.test.js
- /home/title/workspace/openzeppelin-solidity/node_modules/mocha/lib/mocha.js
- /home/title/workspace/openzeppelin-solidity/node_modules/mocha/index.js
- /home/title/workspace/openzeppelin-solidity/node_modules/truffle/build/cli.bundled.js
    at Function.Module._resolveFilename (internal/modules/cjs/loader.js:625:15)
    at Function.Module._load (internal/modules/cjs/loader.js:527:27)
    at Module.require (internal/modules/cjs/loader.js:683:19)
    at require (internal/modules/cjs/helpers.js:16:16)
    at Object.<anonymous> (/home/title/workspace/openzeppelin-solidity/node_modules/scrypt/index.js:3:20)
    at Module._compile (internal/modules/cjs/loader.js:776:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:787:10)
    at Module.load (internal/modules/cjs/loader.js:643:32)
    at Function.Module._load (internal/modules/cjs/loader.js:556:12)
    at Module.require (internal/modules/cjs/loader.js:683:19)
    at require (internal/modules/cjs/helpers.js:16:16)
    at Object.<anonymous> (/home/title/workspace/openzeppelin-solidity/node_modules/scrypt.js/node.js:1:14)
    at Module._compile (internal/modules/cjs/loader.js:776:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:787:10)
    at Module.load (internal/modules/cjs/loader.js:643:32)
    at Function.Module._load (internal/modules/cjs/loader.js:556:12)
    at Module.require (internal/modules/cjs/loader.js:683:19)
    at require (internal/modules/cjs/helpers.js:16:16)
    at Object.<anonymous> (/home/title/workspace/openzeppelin-solidity/node_modules/web3-eth-accounts/src/index.js:35:16)
    at Module._compile (internal/modules/cjs/loader.js:776:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:787:10)
    at Module.load (internal/modules/cjs/loader.js:643:32)
    at Function.Module._load (internal/modules/cjs/loader.js:556:12)
    at Module.require (internal/modules/cjs/loader.js:683:19)
    at require (internal/modules/cjs/helpers.js:16:16)
    at Object.<anonymous> (/home/title/workspace/openzeppelin-solidity/node_modules/web3-eth/src/index.js:37:16)
    at Module._compile (internal/modules/cjs/loader.js:776:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:787:10)

:1234: Code to reproduce
I ran tested on https://github.com/OpenZeppelin/openzeppelin-solidity/commit/c9f328ef66251db7fac7c704dd6c5523fc53b0ab.

1 Like

Hi @varshard welcome to the community.

Unfortunately we can’t currently use node 12 with Truffle so need to use node 11 or node 10.

2 Likes

Housekeeping, marked my reply as the solution. Please ask all the questions that you need @varshard

1 Like

A post was split to a new topic: Error: Cannot find module ‘scrypt-shim’