How to use keccak - 2 common examples
To help you get started, we’ve selected a few keccak examples, based on popular ways it is used in public projects.
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elevenyellow / coinfy / src / api / coins / ETH.js View on Github 
function toChecksumAddress(address) {
address = address.toLowerCase().replace('0x', '')
let hash = createKeccakHash('keccak256')
.update(address)
.digest('hex')
let ret = '0x'
for (let i = 0; i < address.length; i++) {
if (parseInt(hash[i], 16) >= 8) {
ret += address[i].toUpperCase()
} else {
ret += address[i]
}
}
return ret
}export const keccak256 = str =>
keccak('keccak256')
.update(str)
.digest();
