@@ -70,7 +70,7 @@ const stripHexPrefix = hex =>
70const keccak256 = str =>
70const keccak256 = str =>
71 keccak('keccak256').update(str).digest()
71 keccak('keccak256').update(str).digest()
73−const isValidAddress = isAddress
73+const isValidAddress = a => (('0x0' === a) || isAddress(a))
75const toChecksumAddress = (address) => {
75const toChecksumAddress = (address) => {
76 const addr = stripHexPrefix(address).toLowerCase()
76 const addr = stripHexPrefix(address).toLowerCase()