Keccak-256
  PASS  keccak("")
  PASS  keccak("abc")

BIP-32 test vector 1 (seed 000102..0f)
  PASS  master key
  PASS  master chaincode
  PASS  m/0' key
  PASS  m/0' chaincode
  PASS  m/0'/1 key
  PASS  m/0'/1 chaincode

BIP-39 -> BIP-44 Ethereum (well-known example)
  PASS  bip39 validate
  PASS  ETH addr m/44'/60'/0'/0/0

Address + signature sanity (priv=1)
  PASS  eth address(priv=1)
  PASS  rfc6979 r
  PASS  rfc6979 s
  PASS  verify

Mnemonic round-trip
  PASS  generated validates
  PASS  generated words

RFC6979 sign msg \'hello\' (priv=1) stable across calls
  PASS  deterministic

RLP sanity
  PASS  rlp empty string
  PASS  rlp 0 byte
  PASS  rlp [dog]
  PASS  rlp [cat,dog]
  PASS  rlp empty list
  PASS  rlp 15
  PASS  rlp 1024

EIP-1559 tx shape
  PASS  has 0x02 prefix
  PASS  hash len 66

--------- 26 passed, 0 failed ---------