dvf-client-js
Version:
<img src="https://avatars1.githubusercontent.com/u/56512535?s=200&v=4" align="right" />
16 lines (14 loc) • 625 B
JavaScript
const DVFError = require('../DVFError')
module.exports = (tokenInfo, chain) => {
const tokenAddress = tokenInfo.tokenAddressPerChain[chain]
// Token unsupported for that chain if not defined
if (!tokenAddress) {
throw new DVFError('UNSUPPORTED_TOKEN_FOR_CHAIN', {tokenInfo, chain})
// ETH for ETHEREUM, MATIC for Polygon/Matic...
// 'native' case kept for retro-compatibility / potential revert cases but means the same thing
} else if (tokenAddress === 'native' || tokenAddress === '0x0000000000000000000000000000000000000000') {
return undefined
}
// Standard ERC20 address
return tokenAddress
}