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Validate Address

  • This function will return true if the address is a legitamate Polkadot address and false if it is not

  • Works both with Ed25519 and Sr25519 key types

const { decodeAddress, encodeAddress } = require('@polkadot/keyring');
const { hexToU8a, isHex } = require('@polkadot/util');

const address = '5GrpknVvGGrGH3EFuURXeMrWHvbpj3VfER1oX5jFtuGbfzCE';

const isValidAddressPolkadotAddress = () => {
try {
encodeAddress(
isHex(address)
? hexToU8a(address)
: decodeAddress(address)
);

return true;
} catch (error) {
return false;
}
};

const isValid = isValidAddressPolkadotAddress();

console.log(isValid);