<!doctype html> <html lang="en"> <head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1" /> <meta name="generator" content="pdoc 0.6.3" /> <title>onionr.onionrproofs API documentation</title> <meta name="description" content="Onionr - Private P2P Communication …" /> <link href='https://cdnjs.cloudflare.com/ajax/libs/normalize/8.0.0/normalize.min.css' rel='stylesheet'> <link href='https://cdnjs.cloudflare.com/ajax/libs/10up-sanitize.css/8.0.0/sanitize.min.css' rel='stylesheet'> <link href="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/9.12.0/styles/github.min.css" rel="stylesheet"> <style>.flex{display:flex !important}body{line-height:1.5em}#content{padding:20px}#sidebar{padding:30px;overflow:hidden}.http-server-breadcrumbs{font-size:130%;margin:0 0 15px 0}#footer{font-size:.75em;padding:5px 30px;border-top:1px solid #ddd;text-align:right}#footer p{margin:0 0 0 1em;display:inline-block}#footer p:last-child{margin-right:30px}h1,h2,h3,h4,h5{font-weight:300}h1{font-size:2.5em;line-height:1.1em}h2{font-size:1.75em;margin:1em 0 .50em 0}h3{font-size:1.4em;margin:25px 0 10px 0}h4{margin:0;font-size:105%}a{color:#058;text-decoration:none;transition:color .3s ease-in-out}a:hover{color:#e82}.title code{font-weight:bold}h2[id^="header-"]{margin-top:2em}.ident{color:#900}pre code{background:#f8f8f8;font-size:.8em;line-height:1.4em}code{background:#f2f2f1;padding:1px 4px;overflow-wrap:break-word}h1 code{background:transparent}pre{background:#f8f8f8;border:0;border-top:1px solid #ccc;border-bottom:1px solid #ccc;margin:1em 0;padding:1ex}#http-server-module-list{display:flex;flex-flow:column}#http-server-module-list div{display:flex}#http-server-module-list dt{min-width:10%}#http-server-module-list p{margin-top:0}.toc ul,#index{list-style-type:none;margin:0;padding:0}#index code{background:transparent}#index h3{border-bottom:1px solid #ddd}#index ul{padding:0}#index h4{font-weight:bold}#index h4 + ul{margin-bottom:.6em}@media (min-width:200ex){#index .two-column{column-count:2}}@media (min-width:300ex){#index .two-column{column-count:3}}dl{margin-bottom:2em}dl dl:last-child{margin-bottom:4em}dd{margin:0 0 1em 3em}#header-classes + dl > dd{margin-bottom:3em}dd dd{margin-left:2em}dd p{margin:10px 0}.name{background:#eee;font-weight:bold;font-size:.85em;padding:5px 10px;display:inline-block;min-width:40%}.name:hover{background:#e0e0e0}.name > span:first-child{white-space:nowrap}.name.class > span:nth-child(2){margin-left:.4em}.inherited{color:#999;border-left:5px solid #eee;padding-left:1em}.inheritance em{font-style:normal;font-weight:bold}.desc h2{font-weight:400;font-size:1.25em}.desc h3{font-size:1em}.desc dt code{background:inherit}.source summary{color:#666;text-align:right;font-weight:400;font-size:.8em;text-transform:uppercase;cursor:pointer}.source pre{max-height:500px;overflow:auto;margin:0}.source pre code{font-size:12px;overflow:visible}.hlist{list-style:none}.hlist li{display:inline}.hlist li:after{content:',\2002'}.hlist li:last-child:after{content:none}.hlist .hlist{display:inline;padding-left:1em}img{max-width:100%}.admonition{padding:.1em .5em;margin-bottom:1em}.admonition-title{font-weight:bold}.admonition.note,.admonition.info,.admonition.important{background:#aef}.admonition.todo,.admonition.versionadded,.admonition.tip,.admonition.hint{background:#dfd}.admonition.warning,.admonition.versionchanged,.admonition.deprecated{background:#fd4}.admonition.error,.admonition.danger,.admonition.caution{background:lightpink}</style> <style media="screen and (min-width: 700px)">@media screen and (min-width:700px){#sidebar{width:30%}#content{width:70%;max-width:100ch;padding:3em 4em;border-left:1px solid #ddd}pre code{font-size:1em}.item .name{font-size:1em}main{display:flex;flex-direction:row-reverse;justify-content:flex-end}.toc ul ul,#index ul{padding-left:1.5em}.toc > ul > li{margin-top:.5em}}</style> <style media="print">@media print{#sidebar h1{page-break-before:always}.source{display:none}}@media print{*{background:transparent !important;color:#000 !important;box-shadow:none !important;text-shadow:none !important}a[href]:after{content:" (" attr(href) ")";font-size:90%}a[href][title]:after{content:none}abbr[title]:after{content:" (" attr(title) ")"}.ir a:after,a[href^="javascript:"]:after,a[href^="#"]:after{content:""}pre,blockquote{border:1px solid #999;page-break-inside:avoid}thead{display:table-header-group}tr,img{page-break-inside:avoid}img{max-width:100% !important}@page{margin:0.5cm}p,h2,h3{orphans:3;widows:3}h1,h2,h3,h4,h5,h6{page-break-after:avoid}}</style> </head> <body> <main> <article id="content"> <header> <h1 class="title">Module <code>onionr.onionrproofs</code></h1> </header> <section id="section-intro"> <p>Onionr - Private P2P Communication</p> <p>Proof of work module</p> <details class="source"> <summary>Source code</summary> <pre><code class="python">''' Onionr - Private P2P Communication Proof of work module ''' ''' This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <https://www.gnu.org/licenses/>. ''' import multiprocessing, time, math, threading, binascii, sys, json import nacl.encoding, nacl.hash, nacl.utils import config, logger from onionrblocks import onionrblockapi, storagecounter from onionrutils import bytesconverter from onionrcrypto import hashers config.reload() def getDifficultyModifier(): '''returns the difficulty modifier for block storage based on a variety of factors, currently only disk use. ''' percentUse = storagecounter.StorageCounter().get_percent() difficultyIncrease = math.floor(4 * percentUse) # difficulty increase is a step function return difficultyIncrease def getDifficultyForNewBlock(data): ''' Get difficulty for block. Accepts size in integer, Block instance, or str/bytes full block contents ''' if isinstance(data, onionrblockapi.Block): dataSizeInBytes = len(bytesconverter.str_to_bytes(data.getRaw())) else: dataSizeInBytes = len(bytesconverter.str_to_bytes(data)) minDifficulty = config.get('general.minimum_send_pow', 4) totalDifficulty = max(minDifficulty, math.floor(dataSizeInBytes / 1000000.0)) + getDifficultyModifier() return totalDifficulty return retData def getHashDifficulty(h: str): ''' Return the amount of leading zeroes in a hex hash string (hexHash) ''' return len(h) - len(h.lstrip('0')) def hashMeetsDifficulty(hexHash): ''' Return bool for a hash string to see if it meets pow difficulty defined in config ''' hashDifficulty = getHashDifficulty(hexHash) try: expected = int(config.get('general.minimum_block_pow')) except TypeError: raise ValueError('Missing general.minimum_block_pow config') return hashDifficulty >= expected class DataPOW: def __init__(self, data, minDifficulty = 0, threadCount = 1): self.data = data self.threadCount = threadCount self.difficulty = max(minDifficulty, getDifficultyForNewBlock(data)) self.rounds = 0 self.hashing = False self.foundHash = False try: self.data = self.data.encode() except AttributeError: pass self.data = nacl.hash.blake2b(self.data) logger.info('Computing POW (difficulty: %s)...' % self.difficulty) self.mainHash = '0' * 70 self.puzzle = self.mainHash[0:min(self.difficulty, len(self.mainHash))] for i in range(max(1, threadCount)): t = threading.Thread(name = 'thread%s' % i, target = self.pow, args = (True,)) t.start() def pow(self, reporting = False): startTime = math.floor(time.time()) self.hashing = True self.reporting = reporting iFound = False # if current thread is the one that found the answer while self.hashing: rand = nacl.utils.random() token = nacl.hash.blake2b(rand + self.data).decode() self.rounds += 1 #print(token) if self.puzzle == token[0:self.difficulty]: self.hashing = False iFound = True break if iFound: endTime = math.floor(time.time()) if self.reporting: logger.debug('Found token after %s seconds: %s' % (endTime - startTime, token), timestamp=True) logger.debug('Round count: %s' % (self.rounds,)) self.result = (token, rand) def shutdown(self): self.hashing = False self.puzzle = '' def changeDifficulty(self, newDiff): self.difficulty = newDiff def getResult(self): ''' Returns the result then sets to false, useful to automatically clear the result ''' try: retVal = self.result except AttributeError: retVal = False self.result = False return retVal def waitForResult(self): ''' Returns the result only when it has been found, False if not running and not found ''' result = False try: while True: result = self.getResult() if not self.hashing: break else: time.sleep(1) except KeyboardInterrupt: self.shutdown() logger.warn('Got keyboard interrupt while waiting for POW result, stopping') return result class POW: def __init__(self, metadata, data, threadCount = 1, minDifficulty=0): self.foundHash = False self.difficulty = 0 self.data = data self.metadata = metadata self.threadCount = threadCount self.hashing = False json_metadata = json.dumps(metadata).encode() try: self.data = self.data.encode() except AttributeError: pass if minDifficulty > 0: self.difficulty = minDifficulty else: # Calculate difficulty. Dumb for now, may use good algorithm in the future. self.difficulty = getDifficultyForNewBlock(bytes(json_metadata + b'\n' + self.data)) logger.info('Computing POW (difficulty: %s)...' % (self.difficulty,)) self.mainHash = '0' * 64 self.puzzle = self.mainHash[0:min(self.difficulty, len(self.mainHash))] for i in range(max(1, threadCount)): t = threading.Thread(name = 'thread%s' % i, target = self.pow, args = (True,)) t.start() def pow(self, reporting = False): startTime = math.floor(time.time()) self.hashing = True self.reporting = reporting iFound = False # if current thread is the one that found the answer nonce = int(binascii.hexlify(nacl.utils.random(64)), 16) while self.hashing: #token = nacl.hash.blake2b(rand + self.data).decode() self.metadata['pow'] = nonce payload = json.dumps(self.metadata).encode() + b'\n' + self.data token = hashers.sha3_hash(payload) try: # on some versions, token is bytes token = token.decode() except AttributeError: pass if self.puzzle == token[0:self.difficulty]: self.hashing = False iFound = True self.result = payload break nonce += 1 if iFound: endTime = math.floor(time.time()) if self.reporting: logger.debug('Found token after %s seconds: %s' % (endTime - startTime, token), timestamp=True) def shutdown(self): self.hashing = False self.puzzle = '' def changeDifficulty(self, newDiff): self.difficulty = newDiff def getResult(self): ''' Returns the result then sets to false, useful to automatically clear the result ''' try: retVal = self.result except AttributeError: retVal = False self.result = False return retVal def waitForResult(self): ''' Returns the result only when it has been found, False if not running and not found ''' result = False try: while True: result = self.getResult() if not self.hashing: break else: time.sleep(1) except KeyboardInterrupt: self.shutdown() logger.warn('Got keyboard interrupt while waiting for POW result, stopping') return result</code></pre> </details> </section> <section> <h2 class="section-title" id="header-submodules">Sub-modules</h2> <dl> <dt><code class="name"><a title="onionr.onionrproofs.subprocesspow" href="subprocesspow.html">onionr.onionrproofs.subprocesspow</a></code></dt> <dd> <section class="desc"><p>Onionr - Private P2P Communication …</p></section> </dd> </dl> </section> <section> </section> <section> <h2 class="section-title" id="header-functions">Functions</h2> <dl> <dt id="onionr.onionrproofs.getDifficultyForNewBlock"><code class="name flex"> <span>def <span class="ident">getDifficultyForNewBlock</span></span>(<span>data)</span> </code></dt> <dd> <section class="desc"><p>Get difficulty for block. Accepts size in integer, Block instance, or str/bytes full block contents</p></section> <details class="source"> <summary>Source code</summary> <pre><code class="python">def getDifficultyForNewBlock(data): ''' Get difficulty for block. Accepts size in integer, Block instance, or str/bytes full block contents ''' if isinstance(data, onionrblockapi.Block): dataSizeInBytes = len(bytesconverter.str_to_bytes(data.getRaw())) else: dataSizeInBytes = len(bytesconverter.str_to_bytes(data)) minDifficulty = config.get('general.minimum_send_pow', 4) totalDifficulty = max(minDifficulty, math.floor(dataSizeInBytes / 1000000.0)) + getDifficultyModifier() return totalDifficulty return retData</code></pre> </details> </dd> <dt id="onionr.onionrproofs.getDifficultyModifier"><code class="name flex"> <span>def <span class="ident">getDifficultyModifier</span></span>(<span>)</span> </code></dt> <dd> <section class="desc"><p>returns the difficulty modifier for block storage based on a variety of factors, currently only disk use.</p></section> <details class="source"> <summary>Source code</summary> <pre><code class="python">def getDifficultyModifier(): '''returns the difficulty modifier for block storage based on a variety of factors, currently only disk use. ''' percentUse = storagecounter.StorageCounter().get_percent() difficultyIncrease = math.floor(4 * percentUse) # difficulty increase is a step function return difficultyIncrease</code></pre> </details> </dd> <dt id="onionr.onionrproofs.getHashDifficulty"><code class="name flex"> <span>def <span class="ident">getHashDifficulty</span></span>(<span>h)</span> </code></dt> <dd> <section class="desc"><p>Return the amount of leading zeroes in a hex hash string (hexHash)</p></section> <details class="source"> <summary>Source code</summary> <pre><code class="python">def getHashDifficulty(h: str): ''' Return the amount of leading zeroes in a hex hash string (hexHash) ''' return len(h) - len(h.lstrip('0'))</code></pre> </details> </dd> <dt id="onionr.onionrproofs.hashMeetsDifficulty"><code class="name flex"> <span>def <span class="ident">hashMeetsDifficulty</span></span>(<span>hexHash)</span> </code></dt> <dd> <section class="desc"><p>Return bool for a hash string to see if it meets pow difficulty defined in config</p></section> <details class="source"> <summary>Source code</summary> <pre><code class="python">def hashMeetsDifficulty(hexHash): ''' Return bool for a hash string to see if it meets pow difficulty defined in config ''' hashDifficulty = getHashDifficulty(hexHash) try: expected = int(config.get('general.minimum_block_pow')) except TypeError: raise ValueError('Missing general.minimum_block_pow config') return hashDifficulty >= expected</code></pre> </details> </dd> </dl> </section> <section> <h2 class="section-title" id="header-classes">Classes</h2> <dl> <dt id="onionr.onionrproofs.DataPOW"><code class="flex name class"> <span>class <span class="ident">DataPOW</span></span> <span>(</span><span>data, minDifficulty=0, threadCount=1)</span> </code></dt> <dd> <section class="desc"></section> <details class="source"> <summary>Source code</summary> <pre><code class="python">class DataPOW: def __init__(self, data, minDifficulty = 0, threadCount = 1): self.data = data self.threadCount = threadCount self.difficulty = max(minDifficulty, getDifficultyForNewBlock(data)) self.rounds = 0 self.hashing = False self.foundHash = False try: self.data = self.data.encode() except AttributeError: pass self.data = nacl.hash.blake2b(self.data) logger.info('Computing POW (difficulty: %s)...' % self.difficulty) self.mainHash = '0' * 70 self.puzzle = self.mainHash[0:min(self.difficulty, len(self.mainHash))] for i in range(max(1, threadCount)): t = threading.Thread(name = 'thread%s' % i, target = self.pow, args = (True,)) t.start() def pow(self, reporting = False): startTime = math.floor(time.time()) self.hashing = True self.reporting = reporting iFound = False # if current thread is the one that found the answer while self.hashing: rand = nacl.utils.random() token = nacl.hash.blake2b(rand + self.data).decode() self.rounds += 1 #print(token) if self.puzzle == token[0:self.difficulty]: self.hashing = False iFound = True break if iFound: endTime = math.floor(time.time()) if self.reporting: logger.debug('Found token after %s seconds: %s' % (endTime - startTime, token), timestamp=True) logger.debug('Round count: %s' % (self.rounds,)) self.result = (token, rand) def shutdown(self): self.hashing = False self.puzzle = '' def changeDifficulty(self, newDiff): self.difficulty = newDiff def getResult(self): ''' Returns the result then sets to false, useful to automatically clear the result ''' try: retVal = self.result except AttributeError: retVal = False self.result = False return retVal def waitForResult(self): ''' Returns the result only when it has been found, False if not running and not found ''' result = False try: while True: result = self.getResult() if not self.hashing: break else: time.sleep(1) except KeyboardInterrupt: self.shutdown() logger.warn('Got keyboard interrupt while waiting for POW result, stopping') return result</code></pre> </details> <h3>Methods</h3> <dl> <dt id="onionr.onionrproofs.DataPOW.changeDifficulty"><code class="name flex"> <span>def <span class="ident">changeDifficulty</span></span>(<span>self, newDiff)</span> </code></dt> <dd> <section class="desc"></section> <details class="source"> <summary>Source code</summary> <pre><code class="python">def changeDifficulty(self, newDiff): self.difficulty = newDiff</code></pre> </details> </dd> <dt id="onionr.onionrproofs.DataPOW.getResult"><code class="name flex"> <span>def <span class="ident">getResult</span></span>(<span>self)</span> </code></dt> <dd> <section class="desc"><p>Returns the result then sets to false, useful to automatically clear the result</p></section> <details class="source"> <summary>Source code</summary> <pre><code class="python">def getResult(self): ''' Returns the result then sets to false, useful to automatically clear the result ''' try: retVal = self.result except AttributeError: retVal = False self.result = False return retVal</code></pre> </details> </dd> <dt id="onionr.onionrproofs.DataPOW.pow"><code class="name flex"> <span>def <span class="ident">pow</span></span>(<span>self, reporting=False)</span> </code></dt> <dd> <section class="desc"></section> <details class="source"> <summary>Source code</summary> <pre><code class="python">def pow(self, reporting = False): startTime = math.floor(time.time()) self.hashing = True self.reporting = reporting iFound = False # if current thread is the one that found the answer while self.hashing: rand = nacl.utils.random() token = nacl.hash.blake2b(rand + self.data).decode() self.rounds += 1 #print(token) if self.puzzle == token[0:self.difficulty]: self.hashing = False iFound = True break if iFound: endTime = math.floor(time.time()) if self.reporting: logger.debug('Found token after %s seconds: %s' % (endTime - startTime, token), timestamp=True) logger.debug('Round count: %s' % (self.rounds,)) self.result = (token, rand)</code></pre> </details> </dd> <dt id="onionr.onionrproofs.DataPOW.shutdown"><code class="name flex"> <span>def <span class="ident">shutdown</span></span>(<span>self)</span> </code></dt> <dd> <section class="desc"></section> <details class="source"> <summary>Source code</summary> <pre><code class="python">def shutdown(self): self.hashing = False self.puzzle = ''</code></pre> </details> </dd> <dt id="onionr.onionrproofs.DataPOW.waitForResult"><code class="name flex"> <span>def <span class="ident">waitForResult</span></span>(<span>self)</span> </code></dt> <dd> <section class="desc"><p>Returns the result only when it has been found, False if not running and not found</p></section> <details class="source"> <summary>Source code</summary> <pre><code class="python">def waitForResult(self): ''' Returns the result only when it has been found, False if not running and not found ''' result = False try: while True: result = self.getResult() if not self.hashing: break else: time.sleep(1) except KeyboardInterrupt: self.shutdown() logger.warn('Got keyboard interrupt while waiting for POW result, stopping') return result</code></pre> </details> </dd> </dl> </dd> <dt id="onionr.onionrproofs.POW"><code class="flex name class"> <span>class <span class="ident">POW</span></span> <span>(</span><span>metadata, data, threadCount=1, minDifficulty=0)</span> </code></dt> <dd> <section class="desc"></section> <details class="source"> <summary>Source code</summary> <pre><code class="python">class POW: def __init__(self, metadata, data, threadCount = 1, minDifficulty=0): self.foundHash = False self.difficulty = 0 self.data = data self.metadata = metadata self.threadCount = threadCount self.hashing = False json_metadata = json.dumps(metadata).encode() try: self.data = self.data.encode() except AttributeError: pass if minDifficulty > 0: self.difficulty = minDifficulty else: # Calculate difficulty. Dumb for now, may use good algorithm in the future. self.difficulty = getDifficultyForNewBlock(bytes(json_metadata + b'\n' + self.data)) logger.info('Computing POW (difficulty: %s)...' % (self.difficulty,)) self.mainHash = '0' * 64 self.puzzle = self.mainHash[0:min(self.difficulty, len(self.mainHash))] for i in range(max(1, threadCount)): t = threading.Thread(name = 'thread%s' % i, target = self.pow, args = (True,)) t.start() def pow(self, reporting = False): startTime = math.floor(time.time()) self.hashing = True self.reporting = reporting iFound = False # if current thread is the one that found the answer nonce = int(binascii.hexlify(nacl.utils.random(64)), 16) while self.hashing: #token = nacl.hash.blake2b(rand + self.data).decode() self.metadata['pow'] = nonce payload = json.dumps(self.metadata).encode() + b'\n' + self.data token = hashers.sha3_hash(payload) try: # on some versions, token is bytes token = token.decode() except AttributeError: pass if self.puzzle == token[0:self.difficulty]: self.hashing = False iFound = True self.result = payload break nonce += 1 if iFound: endTime = math.floor(time.time()) if self.reporting: logger.debug('Found token after %s seconds: %s' % (endTime - startTime, token), timestamp=True) def shutdown(self): self.hashing = False self.puzzle = '' def changeDifficulty(self, newDiff): self.difficulty = newDiff def getResult(self): ''' Returns the result then sets to false, useful to automatically clear the result ''' try: retVal = self.result except AttributeError: retVal = False self.result = False return retVal def waitForResult(self): ''' Returns the result only when it has been found, False if not running and not found ''' result = False try: while True: result = self.getResult() if not self.hashing: break else: time.sleep(1) except KeyboardInterrupt: self.shutdown() logger.warn('Got keyboard interrupt while waiting for POW result, stopping') return result</code></pre> </details> <h3>Methods</h3> <dl> <dt id="onionr.onionrproofs.POW.changeDifficulty"><code class="name flex"> <span>def <span class="ident">changeDifficulty</span></span>(<span>self, newDiff)</span> </code></dt> <dd> <section class="desc"></section> <details class="source"> <summary>Source code</summary> <pre><code class="python">def changeDifficulty(self, newDiff): self.difficulty = newDiff</code></pre> </details> </dd> <dt id="onionr.onionrproofs.POW.getResult"><code class="name flex"> <span>def <span class="ident">getResult</span></span>(<span>self)</span> </code></dt> <dd> <section class="desc"><p>Returns the result then sets to false, useful to automatically clear the result</p></section> <details class="source"> <summary>Source code</summary> <pre><code class="python">def getResult(self): ''' Returns the result then sets to false, useful to automatically clear the result ''' try: retVal = self.result except AttributeError: retVal = False self.result = False return retVal</code></pre> </details> </dd> <dt id="onionr.onionrproofs.POW.pow"><code class="name flex"> <span>def <span class="ident">pow</span></span>(<span>self, reporting=False)</span> </code></dt> <dd> <section class="desc"></section> <details class="source"> <summary>Source code</summary> <pre><code class="python">def pow(self, reporting = False): startTime = math.floor(time.time()) self.hashing = True self.reporting = reporting iFound = False # if current thread is the one that found the answer nonce = int(binascii.hexlify(nacl.utils.random(64)), 16) while self.hashing: #token = nacl.hash.blake2b(rand + self.data).decode() self.metadata['pow'] = nonce payload = json.dumps(self.metadata).encode() + b'\n' + self.data token = hashers.sha3_hash(payload) try: # on some versions, token is bytes token = token.decode() except AttributeError: pass if self.puzzle == token[0:self.difficulty]: self.hashing = False iFound = True self.result = payload break nonce += 1 if iFound: endTime = math.floor(time.time()) if self.reporting: logger.debug('Found token after %s seconds: %s' % (endTime - startTime, token), timestamp=True)</code></pre> </details> </dd> <dt id="onionr.onionrproofs.POW.shutdown"><code class="name flex"> <span>def <span class="ident">shutdown</span></span>(<span>self)</span> </code></dt> <dd> <section class="desc"></section> <details class="source"> <summary>Source code</summary> <pre><code class="python">def shutdown(self): self.hashing = False self.puzzle = ''</code></pre> </details> </dd> <dt id="onionr.onionrproofs.POW.waitForResult"><code class="name flex"> <span>def <span class="ident">waitForResult</span></span>(<span>self)</span> </code></dt> <dd> <section class="desc"><p>Returns the result only when it has been found, False if not running and not found</p></section> <details class="source"> <summary>Source code</summary> <pre><code class="python">def waitForResult(self): ''' Returns the result only when it has been found, False if not running and not found ''' result = False try: while True: result = self.getResult() if not self.hashing: break else: time.sleep(1) except KeyboardInterrupt: self.shutdown() logger.warn('Got keyboard interrupt while waiting for POW result, stopping') return result</code></pre> </details> </dd> </dl> </dd> </dl> </section> </article> <nav id="sidebar"> <h1>Index</h1> <div class="toc"> <ul></ul> </div> <ul id="index"> <li><h3>Super-module</h3> <ul> <li><code><a title="onionr" href="../index.html">onionr</a></code></li> </ul> </li> <li><h3><a href="#header-submodules">Sub-modules</a></h3> <ul> <li><code><a title="onionr.onionrproofs.subprocesspow" href="subprocesspow.html">onionr.onionrproofs.subprocesspow</a></code></li> </ul> </li> <li><h3><a href="#header-functions">Functions</a></h3> <ul class=""> <li><code><a title="onionr.onionrproofs.getDifficultyForNewBlock" href="#onionr.onionrproofs.getDifficultyForNewBlock">getDifficultyForNewBlock</a></code></li> <li><code><a title="onionr.onionrproofs.getDifficultyModifier" href="#onionr.onionrproofs.getDifficultyModifier">getDifficultyModifier</a></code></li> <li><code><a title="onionr.onionrproofs.getHashDifficulty" href="#onionr.onionrproofs.getHashDifficulty">getHashDifficulty</a></code></li> <li><code><a title="onionr.onionrproofs.hashMeetsDifficulty" href="#onionr.onionrproofs.hashMeetsDifficulty">hashMeetsDifficulty</a></code></li> </ul> </li> <li><h3><a href="#header-classes">Classes</a></h3> <ul> <li> <h4><code><a title="onionr.onionrproofs.DataPOW" href="#onionr.onionrproofs.DataPOW">DataPOW</a></code></h4> <ul class=""> <li><code><a title="onionr.onionrproofs.DataPOW.changeDifficulty" href="#onionr.onionrproofs.DataPOW.changeDifficulty">changeDifficulty</a></code></li> <li><code><a title="onionr.onionrproofs.DataPOW.getResult" href="#onionr.onionrproofs.DataPOW.getResult">getResult</a></code></li> <li><code><a title="onionr.onionrproofs.DataPOW.pow" href="#onionr.onionrproofs.DataPOW.pow">pow</a></code></li> <li><code><a title="onionr.onionrproofs.DataPOW.shutdown" href="#onionr.onionrproofs.DataPOW.shutdown">shutdown</a></code></li> <li><code><a title="onionr.onionrproofs.DataPOW.waitForResult" href="#onionr.onionrproofs.DataPOW.waitForResult">waitForResult</a></code></li> </ul> </li> <li> <h4><code><a title="onionr.onionrproofs.POW" href="#onionr.onionrproofs.POW">POW</a></code></h4> <ul class=""> <li><code><a title="onionr.onionrproofs.POW.changeDifficulty" href="#onionr.onionrproofs.POW.changeDifficulty">changeDifficulty</a></code></li> <li><code><a title="onionr.onionrproofs.POW.getResult" href="#onionr.onionrproofs.POW.getResult">getResult</a></code></li> <li><code><a title="onionr.onionrproofs.POW.pow" href="#onionr.onionrproofs.POW.pow">pow</a></code></li> <li><code><a title="onionr.onionrproofs.POW.shutdown" href="#onionr.onionrproofs.POW.shutdown">shutdown</a></code></li> <li><code><a title="onionr.onionrproofs.POW.waitForResult" href="#onionr.onionrproofs.POW.waitForResult">waitForResult</a></code></li> </ul> </li> </ul> </li> </ul> </nav> </main> <footer id="footer"> <p>Generated by <a href="https://pdoc3.github.io/pdoc"><cite>pdoc</cite> 0.6.3</a>.</p> </footer> <script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/9.12.0/highlight.min.js"></script> <script>hljs.initHighlightingOnLoad()</script> </body> </html>