1JCAugEs1ETUKRXMBpxeCPERS6xPymP3ZM 14zWNsgUMmHhYx4suzc2tZD6HieGbkQi5s 14MDR5y8nHpqN7VtCKoDMMyfbeAD1HP9EW 1E8JPJRav51yGrCYXKtCQr4k9o93MvprdQ
BIP32
bip32_master_key takes entropy seed as hex or mnemonic
mnemonic to master key
bip32_master_key("unique page trust liar alarm vehicle swap time all cloud say later")
BIP39
bip39_check(mnemonic)
bip39_to_entropy(mnemonic)
bip39_to_mn(entropy)
bip39_to_seed(mnemonic)
hdmn = "unique page trust liar alarm vehicle swap time all cloud say later"
check mnemonic is bip39
bip39_check(hdmn) # True
retrieve entropy seed
bip39_to_entropy(hdmn) # ed93dfa6c0605de3f6d71206657effbe
round trip...
bip39_to_mn(bip39_to_entropy(hdmn))
bip44
txin, vout = '97e48d20ef52d12c1d58a0aa865d12b9db5faa52fbefe597e50448e01ee17c92', 0
ins = ["%s:%d" % (txin, vout)]
>>> ins = ['97e48d20ef52d12c1d58a0aa865d12b9db5faa52fbefe597e50448e01ee17c92:0', '97e48d20ef52d12c1d58a0aa865d12b9db5faa52fbefe597e50448e01ee17c92:1']
to_addr, value = 'n1hjyVvYQPQtejJcANd5ZJM5rmxHCCgWL7', 259000000
outs = ["%s:%d" % (to_addr, value)]
>>> ['n1hjyVvYQPQtejJcANd5ZJM5rmxHCCgWL7:259000000']
rawtx = mktx(ins, outs) # [in0, in1], [out0, out1]
signedtx = sign(rawtx, 0, tpriv)
sig1 = multisign(rawtx, 0, mk_pubkey_script(taddr), tpriv)
>>> '304402201f42edd36a24a9d144315d833f149615b8878d17c8cd0941ebcd08d57b4aa140022044e014432d0cf8af82067d5086b8a6daffc6c461d49acff7dba4095519db97c701'
verify_tx_input(signedtx, 0, mk_pubkey_script(taddr), sig1, tpub)
>>> True
# check low s, is_bip66
is_bip66(sig1[:-2])
>>> True
v,r,s = der_decode_sig(sig1)
s > N//2
>>> False