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metamask-extension/shared/constants/tokens.js
Vladimir Saric c82c967c46
Fixing error when user input some letter in token allowance flow (#17117)
* Fixing error when user input some letter in token allowance flow

* Rename the regex variable name and added a brief comment above its definition

Co-authored-by: Pedro Figueiredo <pedro.figueiredo@consensys.net>
2023-01-18 10:53:10 +01:00

51 lines
1.7 KiB
JavaScript

import contractMap from '@metamask/contract-metadata';
import BigNumber from 'bignumber.js';
/**
* A normalized list of addresses exported as part of the contractMap in
* `@metamask/contract-metadata`. Used primarily to validate if manually entered
* contract addresses do not match one of our listed tokens
*/
export const LISTED_CONTRACT_ADDRESSES = Object.keys(contractMap).map(
(address) => address.toLowerCase(),
);
/**
* @typedef {object} TokenDetails
* @property {string} address - The address of the selected 'TOKEN' or
* 'NFT' contract.
* @property {string} [symbol] - The symbol of the token.
* @property {number} [decimals] - The number of decimals of the selected
* 'ERC20' asset.
* @property {number} [tokenId] - The id of the selected 'NFT' asset.
* @property {TokenStandardStrings} [standard] - The standard of the selected
* asset.
* @property {boolean} [isERC721] - True when the asset is a ERC721 token.
*/
export const STATIC_MAINNET_TOKEN_LIST = Object.keys(contractMap).reduce(
(acc, base) => {
const { logo, ...tokenMetadata } = contractMap[base];
return {
...acc,
[base.toLowerCase()]: {
...tokenMetadata,
address: base.toLowerCase(),
iconUrl: `images/contract/${logo}`,
aggregators: [],
},
};
},
{},
);
export const TOKEN_API_METASWAP_CODEFI_URL =
'https://token-api.metaswap.codefi.network/tokens/';
export const MAX_TOKEN_ALLOWANCE_AMOUNT = new BigNumber(2)
.pow(256)
.minus(1)
.toString(10);
// number with optional decimal point using a comma or dot
export const NUM_W_OPT_DECIMAL_COMMA_OR_DOT_REGEX =
/^[0-9]{1,}([,.][0-9]{1,})?$/u;
export const DECIMAL_REGEX = /\.(\d*)/u;