爬取白鲸nft排名前25项目，持有nft大户地址数据。

https://moby.gg/rankings?tab=Market

SELECT
address '钱包地址',
COUNT (1) '持有nft项目数',
SUM (balance) '持有nft个数',
MAX (ct) '爬取时间'
FROM
`nft_analytics`
WHERE time_type = '1d'
AND ct = '2022-06-09'
GROUP BY address,
ct
ORDER BY COUNT (1) DESC,
SUM (balance) DESC
LIMIT 100;

　　

#coding=utf-8
import requests
import time
import json
import math
import datetime
from requests.packages.urllib3 import disable_warnings

data_12h = ''
from  selenium_chrome.MySqlUtils import getMysql
disable_warnings()
def spider_nft(time_type):
    '''
    12h 1d 3d
    :param time_type:
    :return:
    '''
    time_12h = f'https://moby-api.onrender.com/market/rank/{time_type}'
    time_12h_resp = requests.get(time_12h,timeout=600,verify=False)
    mysql = getMysql()
    if(time_12h_resp.status_code == 200 and time_12h_resp.reason == 'OK'):
        nft_address_list = json.loads(time_12h_resp.text)['data']
        for nft_obj in nft_address_list:
            try:
                nft_address = nft_obj['contract']['address']
                holder_url = f'https://ethplorer.io/service/service.php?data={nft_address}&page=tab=tab-holders%26pageSize=500%26holders=1&showTx=all'
                holder_resp = requests.get(holder_url,timeout=60,verify=False)
                if(holder_resp.status_code == 200):
                    time.sleep(5)
                    resp_data = json.loads(holder_resp.text)
                    total =  resp_data['pager']['holders']['total']
                    holder1 = resp_data['holders']
                    '''
                    id                bigint(20)    (NULL)           NO      PRI     (NULL)   auto_increment  select,insert,update,references
                    name              varchar(500)  utf8_general_ci  YES             (NULL)                   select,insert,update,references
                    address           varchar(500)  utf8_general_ci  YES             (NULL)                   select,insert,update,references
                    balance           varchar(500)  utf8_general_ci  YES             (NULL)                   select,insert,update,references
                    contract_address  varchar(500)  utf8_general_ci  YES             (NULL)                   select,insert,update,references
                    owner             varchar(500)  utf8_general_ci  YES             (NULL)                   select,insert,update,references
                    time_type         varchar(100)  utf8_general_ci  YES             (NULL)                   select,insert,update,references
                    ct                datetime      (NULL)           YES             (NULL)                   select,insert,update,references
                    '''
                    name = resp_data['token']['name']
                    contract_address = resp_data['token']['address']
                    owner = resp_data['token']['owner']
                    time_type = time_type
                    ct = datetime.datetime.now().strftime('%Y-%m-%d')
                    num = math.ceil(total/500)
                    for n in range(2,num+1):
                        holder_url = f'https://ethplorer.io/service/service.php?data={nft_address}&page=tab=tab-holders%26pageSize=500%26holders={n}&showTx=all'
                        holder_resp = requests.get(holder_url,timeout=60,verify=False)
                        if (holder_resp.status_code == 200):
                            holder1 +=  json.loads(holder_resp.text)['holders']
                        time.sleep(5)
                    for h in holder1:
                        address = h['address']
                        balance = h['balance']
                        insert_sql = f'insert into nft_analytics (name,address,balance,contract_address,owner,time_type,ct)  values ("'+name+'","'+address+'",'+str(balance)+',"'+contract_address+'","'+owner+'","'+time_type+'","'+ct+'")'
                        print(insert_sql)
                        mysql.execute_db(insert_sql)
            except BaseException as e:
                print(e)
if __name__ == '__main__':
    spider_nft('1d')

　　

import pymysql

class MysqlDb():

    def __init__(self, host, port, user, passwd, db):
        # 建立数据库连接
        self.conn = pymysql.connect(
            host=host,
            port=port,
            user=user,
            passwd=passwd,
            db=db
        )
        # 通过 cursor() 创建游标对象，并让查询结果以字典格式输出
        self.cur = self.conn.cursor(cursor=pymysql.cursors.DictCursor)

    def __del__(self): # 对象资源被释放时触发，在对象即将被删除时的最后操作
        # 关闭游标
        self.cur.close()
        # 关闭数据库连接
        self.conn.close()

    def select_db(self, sql):
        """查询"""
        # 使用 execute() 执行sql
        self.cur.execute(sql)
        # 使用 fetchall() 获取查询结果
        data = self.cur.fetchall()
        return data

    def execute_db(self, sql):
        """更新/插入/删除"""
        try:
            # 使用 execute() 执行sql
            self.cur.execute(sql)
            # 提交事务
            self.conn.commit()
        except Exception as e:
            print("操作出现错误：{}".format(e))
            # 回滚所有更改
            self.conn.rollback()

def getMysql():
    try:
        db = MysqlDb("127.0.0.1", 3306, "root", "root", "coin_project")
    except BaseException as e:
        print('初始化mysql失败:'+e)
    return db


if __name__ == '__main__':
    db = getMysql()

/*表： nft_analytics*/----------------------

/*列信息*/-----------
自增id id
nft名称 name
地址 address
持有nft数量 balance
nft合约地址 contract_address
nft合约创建地址 owner
时间类型 time_type
创建时间 ct

Field             Type          Collation        Null    Key     Default  Extra           Privileges                       Comment
----------------  ------------  ---------------  ------  ------  -------  --------------  -------------------------------  ---------
id                bigint(20)    (NULL)           NO      PRI     (NULL)   auto_increment  select,insert,update,references
name              varchar(500)  utf8_general_ci  YES             (NULL)                   select,insert,update,references
address           varchar(500)  utf8_general_ci  YES             (NULL)                   select,insert,update,references
balance           int(255)      (NULL)           YES             (NULL)                   select,insert,update,references
contract_address  varchar(500)  utf8_general_ci  YES             (NULL)                   select,insert,update,references
owner             varchar(500)  utf8_general_ci  YES             (NULL)                   select,insert,update,references
time_type         varchar(100)  utf8_general_ci  YES             (NULL)                   select,insert,update,references
ct                datetime      (NULL)           YES             (NULL)                   select,insert,update,references           

/*索引信息*/--------------

Table          Non_unique  Key_name  Seq_in_index  Column_name  Collation  Cardinality  Sub_part  Packed  Null    Index_type  Comment  Index_comment
-------------  ----------  --------  ------------  -----------  ---------  -----------  --------  ------  ------  ----------  -------  ---------------
nft_analytics           0  PRIMARY              1  id           A               230789    (NULL)  (NULL)          BTREE                               

/*DDL 信息*/------------

CREATE TABLE `nft_analytics` (
  `id` bigint(20) NOT NULL AUTO_INCREMENT,
  `name` varchar(500) DEFAULT NULL,
  `address` varchar(500) DEFAULT NULL,
  `balance` int(255) DEFAULT NULL,
  `contract_address` varchar(500) DEFAULT NULL,
  `owner` varchar(500) DEFAULT NULL,
  `time_type` varchar(100) DEFAULT NULL,
  `ct` datetime DEFAULT NULL,
  PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=241992 DEFAULT CHARSET=utf8