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geth account

格式:

$ geth account <command> [options...] [arguments...]

COMMANDS:
 list    Print summary of existing accounts
 new     Create a new account
 update  Update an existing account
 import  Import a private key into a new account

$ geth account list –help:

list [command options] [arguments...]

Print a short summary of all accounts

OPTIONS:
  --datadir "/home/bas/.ethereum"  Data directory for the databases and keystore
  --keystore                       Directory for the keystore (default = inside the datadir)

警告

DO NOT FORGET YOUR PASSWORD

Keys存储目录:

账号创建在 ~/.ethereum/keystore 目录下
Mac: ~/Library/Ethereum/keystore
Linux: ~/.ethereum/keystore
Windows: %APPDATA%/Ethereum/keystore

创建账号

geth命令(interactive use):

$ geth account new
Your new account is locked with a password. Please give a password. Do not forget this password.
Passphrase:
Repeat Passphrase:
Address: {168bc315a2ee09042d83d7c5811b533620531f67}

指定密码创建(Non-interactive use):

$ echo "abc123" > password
$ geth --password /path/to/password account new

注意:
  this is meant to be used for testing only, it is a bad idea to
      save your password to file or expose in any other way.

On the console:

> personal.NewAccount()
... you will be prompted for a password ...

or

> personal.newAccount("passphrase")

Creating an account by importing a private key

用法:

// interactive mode
$ geth account import <keyfile>

// non-interactive mode
$ geth account import --password <passwordfile> <keyfile>

实例:

// Import private key into a node with a custom datadir
$ geth account import --datadir /someOtherEthDataDir ./key.prv
The new account will be encrypted with a passphrase.
Please enter a passphrase now.
Passphrase:
Repeat Passphrase:
Address: {7f444580bfef4b9bc7e14eb7fb2a029336b07c9d}

首先将私钥存储到文件中，然后导入，导入后需要输入密码:

$ echo "f592b7bf06ca9fd7696ba95d6ed8e357de6a2379b6d5fe1ffd53c6b4b063cd4a" > privatekey
$ geth account import ./privatekey

查看导入文件:

$ ls .ethereum/keystore/*372fda02e8a1eca513f2ee5901dc55b8b5dd7411
$ cat .ethereum/keystore/UTC--2018-04-27T09-25-48.189741023Z--372fda02e8a1eca513f2ee5901dc55b8b5dd7411

Non-interactive use:

$ geth account import  --datadir /someOtherEthDataDir --password /path/to/anotherpassword ./key.prv

查看账号

$ geth account list
$ geth account list --keystore /tmp/mykeystore/
Account #0: {5afdd78bdacb56ab1dad28741ea2a0e47fe41331} keystore:///tmp/mykeystore/UTC--2017-04-28T08-46-27.437847599Z--5afdd78bdacb56ab1dad28741ea2a0e47fe41331
Account #1: {9acb9ff906641a434803efb474c96a837756287f} keystore:///tmp/mykeystore/UTC--2017-04-28T08-46-52.180688336Z--9acb9ff906641a434803efb474c96a837756287f

using the console:

> eth.accounts
["0x5afdd78bdacb56ab1dad28741ea2a0e47fe41331", "0x9acb9ff906641a434803efb474c96a837756287f"]

via RPC:

# Request
$ curl -X POST --data '{"jsonrpc":"2.0","method":"eth_accounts","params":[],"id":1} http://127.0.0.1:8545'

# Result
{
  "id":1,
  "jsonrpc": "2.0",
  "result": ["0x5afdd78bdacb56ab1dad28741ea2a0e47fe41331", "0x9acb9ff906641a434803efb474c96a837756287f"]
}

If you want to use an account non-interactively, you need to unlock it:

$ geth account new --password <(echo this is not secret!)
$ geth --password <(echo this is not secret!) --unlock primary --rpccorsdomain localhost

说明: 部分用accounts地址, 部分用索引(0,5)
$ geth --unlock "0x407d73d8a49eeb85d32cf465507dd71d507100c1,0,5,e470b1a7d2c9c5c6f03bbaa8fa20db6d404a0c32"

On the console(只解锁几秒钟):
> personal.unlockAccount(address, "password", 300)

Checking account balances:

> web3.fromWei(eth.getBalance(eth.coinbase), "ether")
6.5

js版:
function checkAllBalances() {
    var totalBal = 0;
    for (var acctNum in eth.accounts) {
        var acct = eth.accounts[acctNum];
        var acctBal = web3.fromWei(eth.getBalance(acct), "ether");
        totalBal += parseFloat(acctBal);
        console.log("  eth.accounts[" + acctNum + "]: \t" + acct + " \tbalance: " + acctBal + " ether");
    }
    console.log("  Total balance: " + totalBal + " ether");
};
> checkAllBalances();
  eth.accounts[0]: 0xd1ade25ccd3d550a7eb532ac759cac7be09c2719   balance: 63.11848 ether
  eth.accounts[1]: 0xda65665fc30803cb1fb7e6d86691e20b1826dee0   balance: 0 ether
  eth.accounts[2]: 0xe470b1a7d2c9c5c6f03bbaa8fa20db6d404a0c32   balance: 1 ether
  eth.accounts[3]: 0xf4dd5c3794f1fd0cdc0327a83aa472609c806e99   balance: 6 ether
  Total balance: 70.11848 ether

Updating an existing account

Account update:

$ geth account update a94f5374fce5edbc8e2a8697c15331677e6ebf0b
Unlocking account a94f5374fce5edbc8e2a8697c15331677e6ebf0b | Attempt 1/3
Passphrase:                             注1: 输入老密码解锁
0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b
Account 'a94f5374fce5edbc8e2a8697c15331677e6ebf0b' unlocked.
Please give a new password. Do not forget this password.
Passphrase:                             注2: 输入新密码
Repeat Passphrase:
0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b

实例:

$ geth account update 5afdd78bdacb56ab1dad28741ea2a0e47fe41331 9acb9ff906641a434803efb474c96a837756287f
$ geth account update 0 1 2

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