Web3.js: TypeError: BigNumber is not a constructor

[isaacsultan]

Usage

const BigNumber = web3.BigNumber;

module.exports = {
  ZERO_ADDRESS: '0x0000000000000000000000000000000000000000',
  MAX_UINT256: new BigNumber(2).pow(256).minus(1),
};

Details

• Truffle v5.0.0-next.20 (core: 5.0.0-beta.2)
• Solidity v0.5.0 (solc-js)
• Node v8.9.3
• [email protected]

[mswezey23]

BigNumber is no longer bundled in Web3 since the 1.X.X release.

https://ethereum.stackexchange.com/questions/50294/typeerror-web3-is-not-a-constructor-when-trying-to-use-node-js-with-truffle-con

Use web3.utils.BN

[joshstevens19]

Hey thanks for the issue as @mswezey23 has stated you need to use web3.utils.BN -https://web3js.readthedocs.io/en/1.0/web3-utils.html#bn

Will close it now
Thanks