func bigIntMarshalledSize(i *big.Int) uint64 {
intd, err := i.GobEncode()
if err != nil {
return 0
}
return uint64(1 + len(intd))
}
func bigIntMarshalBinary(i *big.Int) (data []byte, err error) {
intd, err := i.GobEncode()
if err != nil {
return
}
size := len(intd)
if size > 255 {
return nil, errors.New("Big int is too big")
}
data = make([]byte, size+1)
data[0] = byte(size)
copy(data[1:], intd)
return
}