@davidschwartz ah... que estaba totalmente de ella. No estoy seguro de lo que quieres decir con, *"cualquiera que sea la cadena que construir a partir de, si usted encuentra un bloque, el bloque es válido."*. Una de las ramas va a ser dejados de lado, y cualquiera que se extrae en esa rama pierden la minería de recompensa y honorarios. Los bloques en la cadena que pierde en última instancia, de ser válido. Su respuesta no se ajusta a la pregunta, ya que esto es sobre comprobable de juego justas. Añadido un breve ejemplo. por favor, defina la Dirección? ¿tienes algún código de trabajo que puede generar bitcoin dirección de xpub? @Lohoris No, siempre se puede bruteforced. Y usted puede ofc fuerza bruta la contraseña más rápido, si usted sabe partes de él, pero incluso si no lo hace, entonces bruteforcing todavía será posible (muy lento). ¿Cree usted conspiraciones fácilmente? Si sí, no podemos ayudarte. @ScripterRon Así que con MultiBit también voy a tener que descargar algunos datos o ts sólo tiene que instalar el software y la cartera está creado?

Usted está deserializar cada valor como un número entero, sino que es incorrecta. Los valores se serializa como la longitud de la variable de enteros con alta bits de señalización de la longitud de los enteros que son dados de baja por el real valor entero en sí mismo. Por lo que necesita para corregir el código para deserializar los bytes como varints en lugar de sólo enteros con longitudes.

El código siguiente fue capaz de deserializar la entrada correctamente.

#! /usr/bin/env python3

importación binascii

def get_max(largo=False):
 si el largo:
 volver 18446744073709551615
otra cosa:
 volver 4294967295

def read_var_int(s, pos, largo=False):
 n = 0
 mientras que la Verdadera:
 chData = s[pos]
 pos += 1
 si n > (get_max(largo) >> 7):
 raise IOError("ReadVarInt(): tamaño demasiado grande");
 n = (n << 7) | (chData & 0x7F)
 si chData & 0x80:
 si n == get_max(largo):
 raise IOError("ReadVarInt(): tamaño demasiado grande");
 n += 1
otra cosa:
 de retorno n, pos

entrada = binascii.unhexlify(b'86a825befef44588a5a77d0086a87283c9fdd52983ecd3a14e')
pos = 0

nBlocks, pos = read_var_int(entrada, pos)
print('nBlocks: {}'.formato(nBlocks))
nSize, pos = read_var_int(entrada, pos)
print('nSize: {}'.formato(nSize))
nUndoSize, pos = read_var_int(entrada, pos)
print('nUndoSize: {}'.formato(nUndoSize))
nHeightFirst, pos = read_var_int(entrada, pos)
print('nHeightFirst: {}'.formato(nHeightFirst))
nHeightLast, pos = read_var_int(entrada, pos)
print('nHeightLast: {}'.formato(nHeightLast))
nTimeFirst, pos = read_var_int(entrada, pos)
print('nTimeFirst: {}'.formato(nTimeFirst))
nTimeLast, pos = read_var_int(entrada, pos)
print('nTimeLast: {}'.formato(nTimeLast))

El resultado fue:

nBlocks: 119973
nSize: 134216389
nUndoSize: 19502205
nHeightFirst: 0
nHeightLast: 120050
nTimeFirst: 1231006505
nTimeLast: 1303712078

El nBlocks y nHeightLast se espera que debido a que los bloques iniciales fueron muy pequeño, pero el bloque de archivo es bastante grande. Creo que el cálculo de 134 bloques en el archivo de bloque que está mal. Con 134 bloques, los bloques tendría que ser de más de 1 MB de tamaño, que simplemente no es cierto para los primeros bloques.

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