#!/usr/bin/env?python

#?by?teknohog

#?Python?wrapper?for?Xilinx?Serial?Miner

user?=?“teknohog.spartan“
password?=?“nexys2“
host?=?“api2.bitcoin.cz“
http_port?=?“8332“

serial_port?=?“/dev/ttyS0“

askrate?=?5

###############################################################################

from?jsonrpc?import?ServiceProxy
from?time?import?ctime?sleep?time
from?serial?import?Serial
from?threading?import?Thread?Event
from?Queue?import?Queue

def?stats（count?starttime）:
????#?2**32?hashes?per?share?（difficulty?1）
????mhshare?=?4294.967296

????s?=?sum（count）
????tdelta?=?time（）?-?starttime
????rate?=?s?*?mhshare?/?tdelta

????#?This?is?only?a?rough?estimate?of?the?true?hash?rate
????#?particularly?when?the?number?of?events?is?low.?However?since
????#?the?events?follow?a?Poisson?distribution?we?can?estimate?the
????#?standard?deviation?（sqrt（n）?for?n?events）.?Thus?we?get?some?idea
????#?on?how?rough?an?estimate?this?is.

????#?s?should?always?be?positive?when?this?function?is?called?but
????#?checking?for?robustness?anyway
????if?s?>?0:
????????stddev?=?rate?/?s**0.5
????else:
????????stddev?=?0

????return?“[%i?accepted?%i?failed?%.2f?+/-?%.2f?Mhash/s]“?%?（count[0]?count[1]?rate?stddev）

class?Reader（Thread）:
????def?__init__（self）:
????????Thread.__init__（self）

????????self.daemon?=?True

????????#?flush?the?input?buffer
????????ser.read（1000）

????def?run（self）:
????????while?True:
????????????nonce?=?ser.read（4）

????????????if?len（nonce）?==?4:
????????????????#?Keep?this?order?because?writer.block?will?be
????????????????#?updated?due?to?the?golden?event.
????????????????submitter?=?Submitter（writer.block?nonce）
????????????????submitter.start（）
????????????????golden.set（）


class?Writer（Thread）:
????def?__init__（self）:
????????Thread.__init__（self）

????????#?Keep?something?sensible?available?while?waiting?for?the
????????#?first?getwork
????????self.block?=?“0“?*?256
????????self.midstate?=?“0“?*?64

????????self.daemon?=?True

????def?run（self）:
????????while?True:
????????????try:
????????????????work?=?bitcoin.getwork（）
????????????????self.block?=?work[‘data‘]
????????????????self.midstate?=?work[‘midstate‘]
????????????except:
????????????????print（“RPC?getwork?error“）
????????????????#?In?this?case?keep?crunching?with?the?old?data.?It?will?get?
????????????????#?stale?at?some?point?but?it‘s?better?than?doing?nothing.

????????????#?Just?a?reminder?of?how?Python?slices?work?in?reverse
????????????#rdata?=?self.block.decode（‘hex‘）[::-1]
????????????#rdata2?=?rdata[32:64]
????????????rdata2?=?self.block.decode（‘hex‘）[95:63:-1]

????????????rmid?=?self.midstate.decode（‘hex‘）[::-1]
????????????
????????????payload?=?rmid?+?rdata2
????????????
????????????ser.write（payload）
????????????
????????????result?=?golden.wait（askrate）

????????????if?result:
????????????????golden.clear（）

class?Submitter（Thread）:
????def?__init__（self?block?nonce）:
????????Thread.__init__（self）

????????self.block?=?block
????????self.nonce?=?

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

????.......???????224??2013-07-17?23:10??Open-Source-FPGA-Bitcoin-Miner-master\.gitignore

????.......???????815??2013-07-17?23:10??Open-Source-FPGA-Bitcoin-Miner-master\boards\DE2_115\DE2_115.qsf

????.......???????832??2013-07-17?23:10??Open-Source-FPGA-Bitcoin-Miner-master\boards\DE2_115\DE2_115.sdc

????.......????????25??2013-07-17?23:10??Open-Source-FPGA-Bitcoin-Miner-master\boards\README.md

????.......??????1099??2013-07-17?23:10??Open-Source-FPGA-Bitcoin-Miner-master\cores\crc\crc32.v

????.......???????783??2013-07-17?23:10??Open-Source-FPGA-Bitcoin-Miner-master\cores\crc\crc32_tb.v

????.......????????63??2013-07-17?23:10??Open-Source-FPGA-Bitcoin-Miner-master\cores\crc\simulate.sh

????.......??????3766??2013-07-17?23:10??Open-Source-FPGA-Bitcoin-Miner-master\cores\cyclone_iv_pll\hashing_pll.v

????.......????????33??2013-07-17?23:10??Open-Source-FPGA-Bitcoin-Miner-master\cores\README.md

????.......???????117??2013-07-17?23:10??Open-Source-FPGA-Bitcoin-Miner-master\cores\unoptimized\README.md

????.......??????1666??2013-07-17?23:10??Open-Source-FPGA-Bitcoin-Miner-master\cores\unoptimized\sha-256-functions.v

????.......??????5140??2013-07-17?23:10??Open-Source-FPGA-Bitcoin-Miner-master\cores\unoptimized\sha256_transform.v

????.......??????4855??2013-07-17?23:10??Open-Source-FPGA-Bitcoin-Miner-master\cores\unoptimized_virtual_wire_top.v

????.......??????1856??2013-07-17?23:10??Open-Source-FPGA-Bitcoin-Miner-master\cores\virtual_wire\virtual_wire.v

????.......?????35147??2013-07-17?23:10??Open-Source-FPGA-Bitcoin-Miner-master\LICENSE.txt

????.......??????1292??2013-07-17?23:10??Open-Source-FPGA-Bitcoin-Miner-master\projects\3C120_uart_comm_Test\3C120_uart_comm_Test.qpf

????.......?????11773??2013-07-17?23:10??Open-Source-FPGA-Bitcoin-Miner-master\projects\3C120_uart_comm_Test\3C120_uart_comm_Test.qsf

????.......???????106??2013-07-17?23:10??Open-Source-FPGA-Bitcoin-Miner-master\projects\3C120_uart_comm_Test\constraints\3C120.sdc

????.......???????337??2013-07-17?23:10??Open-Source-FPGA-Bitcoin-Miner-master\projects\3C120_uart_comm_Test\hdl\3C120_uart_comm_Test.v

????.......?????16055??2013-07-17?23:10??Open-Source-FPGA-Bitcoin-Miner-master\projects\3C120_uart_comm_Test\hdl\main_pll.v

????.......????????77??2013-07-17?23:10??Open-Source-FPGA-Bitcoin-Miner-master\projects\3C120_uart_comm_Test\README.md

????.......?????83008??2013-07-17?23:10??Open-Source-FPGA-Bitcoin-Miner-master\projects\3C120_uart_comm_Test\stp1.stp

????.......????????14??2013-07-17?23:10??Open-Source-FPGA-Bitcoin-Miner-master\projects\3C120_uart_comm_Test\working\.gitignore

????.......??????1248??2013-07-17?23:10??Open-Source-FPGA-Bitcoin-Miner-master\projects\BeMicro\fpgaminer.qpf

????.......??????4606??2013-07-17?23:10??Open-Source-FPGA-Bitcoin-Miner-master\projects\BeMicro\fpgaminer.qsf

????.......???????797??2013-07-17?23:10??Open-Source-FPGA-Bitcoin-Miner-master\projects\BeMicro\fpgaminer.sdc

????.......???????235??2013-07-17?23:10??Open-Source-FPGA-Bitcoin-Miner-master\projects\BeMicro\README.md

????.......??????5034??2013-07-17?23:10??Open-Source-FPGA-Bitcoin-Miner-master\projects\BeMicro\src\fpgaminer_top.v

????.......??????1248??2013-07-17?23:10??Open-Source-FPGA-Bitcoin-Miner-master\projects\DE2_115_makomk_mod\fpgaminer.qpf

????.......??????4469??2013-07-17?23:10??Open-Source-FPGA-Bitcoin-Miner-master\projects\DE2_115_makomk_mod\fpgaminer.qsf

............此處省略859個文件信息