https://eosfans.io/topics/372

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關于2.0權限問題請移步https://eosfans.io/topics/28

目錄

• 查看權限
• 改變權限
• 增加權限
• 刪除權限

查看權限

有人說查看權限非常簡單，不就是看看用戶信息嘛！
其實不然，EOS用戶的權限是與key相關聯的，所以確定你有沒有全縣的其實是要看你有沒有這些公匙對應的私匙：

查看自己帳戶的詳細信息：

cleos get account lome

{"account_name": "lome","permissions": [{"perm_name": "active","parent": "owner","required_auth": {"threshold": 1,"keys": [{"key": "EOS8FbfG31mJELxUS4Jj9Xv3tsNRzFMg2uP2h9b5hCkvHomsatVYw","weight": 1}],"accounts": []}},{"perm_name": "owner","parent": "","required_auth": {"threshold": 1,"keys": [{"key": "EOS5wMFMPiD6qbKSZQpJFdEpzvY2yC2o6XLsg97gPPrYHbW4KovjV","weight": 1}],"accounts": []}}] }

更改授權

更改權限的key

初始化的帳戶是有兩種權限的，這一步我們來給帳戶加一個權限(群組)。
1.這里我就拿我在測試的公網上的一個帳戶，
初始化的帳戶是這樣的：

下面講解一下命令：

cleos set account permission ${account_name} ${permission} ${JSON} ${permission}

cleos set account permission lome active '{"threshold": 1, "keys": [{"key": "EOS6ePVMSdSkGn4wDMqcCSTSN3GnRgEPxDPEioQQXUkfYxT8jrudg", "weight": 1}], "accounts": []}' owner

更改以后的賬號如下：

{"account_name": "lome","permissions": [{"perm_name": "active","parent": "owner","required_auth": {"threshold": 1,"keys": [{"key": "EOS6ePVMSdSkGn4wDMqcCSTSN3GnRgEPxDPEioQQXUkfYxT8jrudg","weight": 1}],"accounts": []}},{"perm_name": "owner","parent": "","required_auth": {"threshold": 1,"keys": [{"key": "EOS5wMFMPiD6qbKSZQpJFdEpzvY2yC2o6XLsg97gPPrYHbW4KovjV","weight": 1}],"accounts": []}}] }

參數說明：

threshold權限閥值，權限等于閥值才能獲取該權限，否則授權失敗

keys 是該權限已授權的密匙 ： keys中的key為授權的密匙對的公匙，weight 為授權密匙對的權重 ps： 若閥值是2，權重是1，是不能夠完成授權的，操作將失敗.

accounts 是該權限已授權的帳戶： permission是被授權用戶的權限這里指的就是lome的active權限，weight指的也是權重。

ps：重要：授權用戶權限其實跟授權key是一個道理，其實授權帳戶權限，實質上就是授權該權限的密匙對權限。

最后owner是權限，只有owner權限才能改變用戶的權限

值得一提的是：EOS3.0對權限及權重做了校驗。如果我的命令是這樣的：

cleos set account permission lome active '{"threshold":2,"keys":[{"key":"EOS6ePVMSdSkGn4wDMqcCSTSN3GnRgEPxDPEioQQXUkfYxT8jrudg","weight":1}],"accounts":[]}' owner

該操作將會失敗，因為這個權限根本就達不到伐值，2.0在這里是沒有校驗的，錯誤提示如下:

Error 3040000: message validation exception Error Details: Invalid authority: {"threshold":2,"keys":[{"key":"EOS6ePVMSdSkGn4wDMqcCSTSN3GnRgEPxDPEioQQXUkfYxT8jrudg","weight":1}],"accounts":[]}

增加權限的授權賬戶

cleos set account permission lome active '{"threshold":2,"keys":[{"key":"EOS6ePVMSdSkGn4wDMqcCSTSN3GnRgEPxDPEioQQXUkfYxT8jrudg","weight":1}],"accounts":[{"permission":{"actor":"eosio","permission":"active"},"weight":1}]}' owner

這里更改的是lome賬戶權限的accounts權限,下面看一下更改完成后我的賬戶：

{"account_name": "lome","permissions": [{"perm_name": "active","parent": "owner","required_auth": {"threshold": 2,"keys": [{"key": "EOS6ePVMSdSkGn4wDMqcCSTSN3GnRgEPxDPEioQQXUkfYxT8jrudg","weight": 1}],"accounts": [{"permission": {"actor": "eosio","permission": "active"},"weight": 1}]}},{"perm_name": "owner","parent": "","required_auth": {"threshold": 1,"keys": [{"key": "EOS5wMFMPiD6qbKSZQpJFdEpzvY2yC2o6XLsg97gPPrYHbW4KovjV","weight": 1}],"accounts": []}}] }

在這里我的權重伐值為2，key的權重為1，eosio@active的權重為1.那么要使用lome@active權限就需要key和eosio@active所對應的key的權限。

增加多個授權key

增加授權的命令如下：

cleos set account permission lome active '{"threshold":1,"keys":[{"key":"EOS6ePVMSdSkGn4wDMqcCSTSN3GnRgEPxDPEioQQXUkfYxT8jrudg","weight":1},{"key":"EOS5wMFMPiD6qbKSZQpJFdEpzvY2yC2o6XLsg97gPPrYHbW4KovjV","weight":1}],"accounts":[]}' owner

結果如下：

{"account_name": "lome","permissions": [{"perm_name": "active","parent": "owner","required_auth": {"threshold": 1,"keys": [{"key": "EOS6ePVMSdSkGn4wDMqcCSTSN3GnRgEPxDPEioQQXUkfYxT8jrudg","weight": 1},{"key": "EOS5wMFMPiD6qbKSZQpJFdEpzvY2yC2o6XLsg97gPPrYHbW4KovjV","weight": 1}],"accounts": []}},{"perm_name": "owner","parent": "","required_auth": {"threshold": 1,"keys": [{"key": "EOS5hepJxGjP3X93wVmXZeBSNavGWeJvwWtev5ak8oARqwrXjehXd","weight": 1}],"accounts": []}}] }

增加權限多個授權賬戶

增加授權的命令如下：

cleos set account permission lome active '{"threshold":1,"keys":[],"accounts":[{"permission":{"actor":"test","permission":"active"},"weight":1},{"permission":{"actor":"eosio","permission":"active"},"weight":1}]}' owner

結果如下：

{"account_name": "lome","permissions": [{"perm_name": "active","parent": "owner","required_auth": {"threshold": 1,"keys": [],"accounts": [{"permission": {"actor": "test","permission": "active"},"weight": 1},{"permission": {"actor": "eosio","permission": "active"},"weight": 1}]}},{"perm_name": "owner","parent": "","required_auth": {"threshold": 1,"keys": [{"key": "EOS5hepJxGjP3X93wVmXZeBSNavGWeJvwWtev5ak8oARqwrXjehXd","weight": 1}],"accounts": []}}] }

增加多個授權key && 增加權限多個授權賬戶

增加授權的命令如下：

cleos set account permission lome active '{"threshold":1,"keys":[{"key":"EOS6ePVMSdSkGn4wDMqcCSTSN3GnRgEPxDPEioQQXUkfYxT8jrudg","weight":1},{"key":"EOS5wMFMPiD6qbKSZQpJFdEpzvY2yC2o6XLsg97gPPrYHbW4KovjV","weight":1}],"accounts":[{"permission":{"actor":"test","permission":"active"},"weight":1},{"permission":{"actor":"eosio","permission":"active"},"weight":1}]}' owner

結果如下：

{"account_name": "lome","permissions": [{"perm_name": "active","parent": "owner","required_auth": {"threshold": 1,"keys": [{"key": "EOS6ePVMSdSkGn4wDMqcCSTSN3GnRgEPxDPEioQQXUkfYxT8jrudg","weight": 1},{"key": "EOS5wMFMPiD6qbKSZQpJFdEpzvY2yC2o6XLsg97gPPrYHbW4KovjV","weight": 1}],"accounts": [{"permission": {"actor": "test","permission": "active"},"weight": 1},{"permission": {"actor": "eosio","permission": "active"},"weight": 1}]}},{"perm_name": "owner","parent": "","required_auth": {"threshold": 1,"keys": [{"key": "EOS5hepJxGjP3X93wVmXZeBSNavGWeJvwWtev5ak8oARqwrXjehXd","weight": 1}],"accounts": []}}] }

增加權限

代碼如下：

cleos set account permission lome test '{"threshold":1,"keys":[{"key":"EOS6ePVMSdSkGn4wDMqcCSTSN3GnRgEPxDPEioQQXUkfYxT8jrudg","weight":1}],"accounts":[]}' active

結果如下：

{"account_name": "lome","permissions": [{"perm_name": "active","parent": "owner","required_auth": {"threshold": 1,"keys": [{"key": "EOS6ePVMSdSkGn4wDMqcCSTSN3GnRgEPxDPEioQQXUkfYxT8jrudg","weight": 1},{"key": "EOS5wMFMPiD6qbKSZQpJFdEpzvY2yC2o6XLsg97gPPrYHbW4KovjV","weight": 1}],"accounts": [{"permission": {"actor": "test","permission": "active"},"weight": 1},{"permission": {"actor": "eosio","permission": "active"},"weight": 1}]}},{"perm_name": "owner","parent": "","required_auth": {"threshold": 1,"keys": [{"key": "EOS5hepJxGjP3X93wVmXZeBSNavGWeJvwWtev5ak8oARqwrXjehXd","weight": 1}],"accounts": []}},{"perm_name": "test","parent": "active","required_auth": {"threshold": 1,"keys": [{"key": "EOS6ePVMSdSkGn4wDMqcCSTSN3GnRgEPxDPEioQQXUkfYxT8jrudg","weight": 1}],"accounts": []}}] }

刪除權限

終于來到了最后一節，恭喜你！
有人會說這個權限或者群組沒用了怎么辦？這節我就來教你，我們來刪除它：
執行代碼如下

cleos set account permission lome test 'NULL' active

命令就不再多贅述什么意思。這個命令中只有NULL前面沒見過，這里是用來專門刪除權限或者群組用的。執行結果如下：

{"account_name": "lome","permissions": [{"perm_name": "active","parent": "owner","required_auth": {"threshold": 1,"keys": [{"key": "EOS6ePVMSdSkGn4wDMqcCSTSN3GnRgEPxDPEioQQXUkfYxT8jrudg","weight": 1},{"key": "EOS5wMFMPiD6qbKSZQpJFdEpzvY2yC2o6XLsg97gPPrYHbW4KovjV","weight": 1}],"accounts": [{"permission": {"actor": "test","permission": "active"},"weight": 1},{"permission": {"actor": "eosio","permission": "active"},"weight": 1}]}},{"perm_name": "owner","parent": "","required_auth": {"threshold": 1,"keys": [{"key": "EOS5hepJxGjP3X93wVmXZeBSNavGWeJvwWtev5ak8oARqwrXjehXd","weight": 1}],"accounts": []}}] }

總結

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