使用 jcc-ethereum-tool 实现与以太坊的交互

https://github.com/JCCDex/jcc-<span class='wp_keywordlink_affiliate'><a href="http://www.bwbbw.com/archives/tag/eth" title="View all posts in eth" target="_blank">eth</a></span>ereum-tool<br /> jcc-ethereum-tool is a command tool, which is can be use to transfer, query balance, manipute ERC20, ERC721 by parameters or config file.</p> <p>jcc-ethereum-tool 是一个命令行工具，可以快速的通过参数或者配置文件形式操作 ETH 链，实现转账，查询余额，ERC20，ERC721 等通证操作。</p> <p>#### Installation 安装</p> <p><pre style=”box-sizing: border-box; font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace; font-size: 13.6px; margin-top: 0px; margin-bottom: 0px; overflow-wrap: normal; padding: 16px; overflow: auto; line-height: 1.45; background-color: rgb(246, 248, 250); border-radius: 6px; word-break: normal;”>sudo npm install -g jcc-ethereum-tool –unsafe-perm=true</pre></p> <p>#### wallet and configuration 钱包和配置</p> <p>在用户的目录下存在.jcc-ethereum-tool/config.json 文件，类似配置</p> <p>{<br /> “server” : “http://localhost:8546”,<br /> “network” : 101,<br /> “gasPrice” : 20000000000,<br /> “gasLimit” : 20000<br /> “wallet” : {“address”: “0x1234”, “secret”: “0x1223″}<br /> }</p> <p>***注意：不能确认在安全情况下，不要在配置文件中使用明文保存密钥，尽量使用 keystore 文件***</p> <p>用户可以指定配置文件路径</p> <p>jcc-ethereum-tool –config myconfig.json</p> <p>#### normal operation 常规操作</p> <p>* 创建钱包</p> <p>jcc-ethereum-tool –wallet_create</p> <p>* 创建钱包并保存为 keystore 文件</p> <p>jcc-ethereum-tool –wallet_create –save_wallet</p> <p>* 导入私钥存为 keystore 文件</p> <p>jcc-ethereum-tool –import_private_to_keystore</p> <p>* 获取余额</p> <p>jcc-ethereum-tool –network 99 –balance 0x1111 –server http://localhost:8545</p> <p>* 转账</p> <p><pre style=”box-sizing: border-box; font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace; font-size: 13.6px; margin-top: 0px; margin-bottom: 0px; overflow-wrap: normal; padding: 16px; overflow: auto; line-height: 1.45; background-color: rgb(246, 248, 250); border-radius: 6px; word-break: normal;”># <span class=”pl-en” style=”box-sizing: border-box; color: rgb(111, 66, 193);”>从配置</span> <span class=”pl-kos” style=”box-sizing: border-box;”>(</span><span class=”pl-s1″ style=”box-sizing: border-box;”>config</span><span class=”pl-kos” style=”box-sizing: border-box;”>.</span><span class=”pl-c1″ style=”box-sizing: border-box; color: rgb(0, 92, 197);”>json</span><span class=”pl-kos” style=”box-sizing: border-box;”>)</span> <span class=”pl-s1″ style=”box-sizing: border-box;”>的钱包向目的地址转账</span><br /> <span class=”pl-s1″ style=”box-sizing: border-box;”>jcc</span><span class=”pl-c1″ style=”box-sizing: border-box; color: rgb(0, 92, 197);”>-</span><span class=”pl-s1″ style=”box-sizing: border-box;”>ethereum</span><span class=”pl-c1″ style=”box-sizing: border-box; color: rgb(0, 92, 197);”>-</span><span class=”pl-s1″ style=”box-sizing: border-box;”>tool</span> <span class=”pl-c1″ style=”box-sizing: border-box; color: rgb(0, 92, 197);”>–</span><span class=”pl-s1″ style=”box-sizing: border-box;”>transfer</span> <span class=”pl-c1″ style=”box-sizing: border-box; color: rgb(0, 92, 197);”>0x2222</span> <span class=”pl-c1″ style=”box-sizing: border-box; color: rgb(0, 92, 197);”>–</span><span class=”pl-s1″ style=”box-sizing: border-box;”>amount</span> <span class=”pl-c1″ style=”box-sizing: border-box; color: rgb(0, 92, 197);”>0.000001</span> <span class=”pl-c1″ style=”box-sizing: border-box; color: rgb(0, 92, 197);”>–</span><span class=”pl-s1″ style=”box-sizing: border-box;”>network</span> <span class=”pl-c1″ style=”box-sizing: border-box; color: rgb(0, 92, 197);”>101</span></pre></p> <p>* 查询区块</p> <p>jcc-ethereum-tool –block latest<br /> 或者<br /> jcc-ethereum-tool –block 1234</p> <p>* 查询交易</p> <p>jcc-ethereum-tool –transaction 0xbb15e089f12c9d4fcd82e47c3d3b56940c9ad6e51a9c7b5dfec4337f5fb4f58e</p> <p>* 查询交易收据</p> <p>jcc-ethereum-tool –receipt 0xbb15e089f12c9d4fcd82e47c3d3b56940c9ad6e51a9c7b5dfec4337f5fb4f58e</p> <p>* 发行合约</p> <p>jcc-ethereum-tool –deploy “./MAYAToken.json” –gas_limit 3800000 –gas_limit 800000 –parameters ‘”parameter1″,”parameter2″‘</p> <p>// 合约大小会影响gas limit,所以请自己设置合适的gas limit<br /> // 其次是创建合约可能是有参数的，请按照参数顺序在–parameters中设置</p> <p>* 任意合约的方法调用</p> <p>jcc-ethereum-tool 支持任意合约的调用，一般来说需要以下几个参数</p> <p>* 指定 abi 文件，便于解析各种调用签名和参数，可以指定成自己的 abi 文件<br /> * 对于修改账本的调用，gas 数量需要自己指定，默认是 20000，gasPrice 默认 20G<br /> * 数量尤其是小数位的推算，可以自己使用 chain3 的函数运算<br /> * 为支持 ens，增加了 namehash 函数支持</p> <p>#### ERC20 的操作</p> <p>* 获取基本信息</p> <p>jcc-ethereum-tool –abi erc20abi.json –contractAddr “0x2bbe1b5b974aa75369ec72200c9c7da717faa627” –method “name”<br /> jcc-ethereum-tool –abi erc20abi.json –contractAddr “0x2bbe1b5b974aa75369ec72200c9c7da717faa627” –method “symbol”<br /> jcc-ethereum-tool –abi erc20abi.json –contractAddr “0x2bbe1b5b974aa75369ec72200c9c7da717faa627” –method “decimals”<br /> jcc-ethereum-tool –abi erc20abi.json –contractAddr “0x2bbe1b5b974aa75369ec72200c9c7da717faa627” –method “totalSupply”</p> <p>* 获取钱包余额</p> <p>jcc-ethereum-tool –abi erc20abi.json –contractAddr “0x2bbe1b5b974aa75369ec72200c9c7da717faa627” –method “balanceOf” –parameters ‘”0xaddress……”‘<br /> // 请注意 地址参数分别用单双引号，是为了传递正确的地址</p> <p>* ERC20 的转账</p> <p>jcc-ethereum-tool –abi erc20abi.json –contractAddr “0x2bbe1b5b974aa75369ec72200c9c7da717faa627” –method “transfer” –parameters ‘”0xaddress…..”,chain3.toSha(“23.1”)’<br /> // chain3.toSha(“23.1”) 这个可以利用函数转义方式将ERC20的数量展开，但是ERC20也有不是标准的18位小数的，如果需要自行处理小数位，要书写成下面的样子<br /> jcc-ethereum-tool –abi erc20abi.json –contractAddr “0x2bbe1b5b974aa75369ec72200c9c7da717faa627” –method “transfer” –parameters ‘”0xaddress…..”,BigNumber(23.1*10**18)’</p> <p>* ERC20 的授权转账</p> <p>// 授权0x5d819874014dfc29ec6d56caacc4e95f2dd33352从指定账户转账额度<br /> jcc-ethereum-tool –abi erc20abi.json –contractAddr “0x2bbe1b5b974aa75369ec72200c9c7da717faa627” –keystore keystorefile.json –password yourkeystorepassword –gas_limit 50000 –method “approve” –parameters ‘”0xspender address”, chain3.toSha(“333”)’</p> <p>// 查询授权数量<br /> jcc-ethereum-tool –abi erc20abi.json –contractAddr “0x2bbe1b5b974aa75369ec72200c9c7da717faa627” –method “allowance” –parameters ‘”0xowner address”,”0xspender address”‘</p> <p>// 授权转账<br /> jcc-ethereum-tool –abi erc20abi.json –contractAddr “0x2bbe1b5b974aa75369ec72200c9c7da717faa627” –keystore keystorefile.json –password yourkeystorepassword –gas_limit 50000 –gas_price 1000000000 –method “transferFrom” –parameters ‘”0xowner address”,”0xdestination address”, chain3.toSha(“300”)’

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