Function sigencode_strings_canonize

python/ccxt/static_dependencies/ecdsa/util.py:213–218

(r, s, order, v=None)

# these enforce low S values, by negating the value (modulo the order) if above order/2
# see CECKey::Sign() https://github.com/bitcoin/bitcoin/blob/master/src/key.cpp#L214
def sigencode_strings_canonize(r, s, order, v=None):
    if s > order / 2:
        s = order - s
        if v is not None:
            v ^= 1
    return sigencode_strings(r, s, order, v)


def sigencode_string_canonize(r, s, order, v=None):