<p>balances只是你合约内部的状态，不是metamask中账户展示的余额。</p>

<p>老哥，我该怎么实现向合约转eth，账户以固定汇率获得相应代币</p>

<p>lz是什么语言转的solidity，相比前后端程序员，智能合约工程师前景如何？</p>

<p>要实现eth以固定汇率2购买代币。我这样写，给合约发0.1eth，最后账户增加的代币却不对劲……我第一天接触这个，很多不懂，求jr们解答！！！</p><div><center class="hupu-img" data-h="193"data-w="561" data-origin="https://i3.hoopchina.com.cn/hupuapp/bbs/700/32637700/thread_32637700_20200630163440_s_8813_w_561_h_193_41741.png?x-oss-process=image/format,png"  data_url="https://i3.hoopchina.com.cn/hupuapp/bbs/700/32637700/thread_32637700_20200630163440_s_8813_w_561_h_193_41741.png?x-oss-process=image/resize,w_1000/format,png"  src="https://i3.hoopchina.com.cn/hupuapp/bbs/700/32637700/thread_32637700_20200630163440_s_8813_w_561_h_193_41741.png?x-oss-process=image/resize,w_600/format,jpg/quality,Q_60" data-imgid="f584fbee2c5bb07022cddf37a61428b4"   ></center></div><div><center class="hupu-img" data-h="503"data-w="431" data-origin="https://i11.hoopchina.com.cn/hupuapp/bbs/700/32637700/thread_32637700_20200630163440_s_18174_w_431_h_503_64636.png?x-oss-process=image/format,png"  data_url="https://i11.hoopchina.com.cn/hupuapp/bbs/700/32637700/thread_32637700_20200630163440_s_18174_w_431_h_503_64636.png?x-oss-process=image/resize,w_1000/format,png"  src="https://i11.hoopchina.com.cn/hupuapp/bbs/700/32637700/thread_32637700_20200630163440_s_18174_w_431_h_503_64636.png?x-oss-process=image/resize,w_600/format,jpg/quality,Q_60" data-imgid="ee7bcde88bf792b7861635a0f1f203c9"   ></center></div><div><center class="hupu-img" data-h="415"data-w="458" data-origin="https://i5.hoopchina.com.cn/hupuapp/bbs/700/32637700/thread_32637700_20200630163803_s_17748_w_458_h_415_17277.png?x-oss-process=image/format,png"  data_url="https://i5.hoopchina.com.cn/hupuapp/bbs/700/32637700/thread_32637700_20200630163803_s_17748_w_458_h_415_17277.png?x-oss-process=image/resize,w_1000/format,png"  src="https://i5.hoopchina.com.cn/hupuapp/bbs/700/32637700/thread_32637700_20200630163803_s_17748_w_458_h_415_17277.png?x-oss-process=image/resize,w_600/format,jpg/quality,Q_60" data-imgid="332975df6ec4be7ae1a98a40d6f6528e"   ></center></div><div><center class="hupu-img" data-h="599"data-w="1241" data-origin="https://i5.hoopchina.com.cn/hupuapp/bbs/700/32637700/thread_32637700_20200630163803_s_34694_w_1241_h_599_2585.png?x-oss-process=image/format,png"  data_url="https://i5.hoopchina.com.cn/hupuapp/bbs/700/32637700/thread_32637700_20200630163803_s_34694_w_1241_h_599_2585.png?x-oss-process=image/resize,w_1000/format,png"  src="https://i5.hoopchina.com.cn/hupuapp/bbs/700/32637700/thread_32637700_20200630163803_s_34694_w_1241_h_599_2585.png?x-oss-process=image/resize,w_600/format,jpg/quality,Q_60" data-imgid="d361afb876703010a53e5d96ccde0f9f"   ></center></div>

要实现eth以固定汇率2购买代币。我这样写，给合约发0.1eth，最后账户增加的

Solidity智能合约小问题求助！！

敦刻尔克没有雪

<p>要实现eth以固定汇率2购买代币。我这样写，给合约发0.1eth，最后账户增加的代币却不对劲……我第一天接触这个，很多不懂，求jr们解答！！！</p><p><img src="https://i3.hoopchina.com.cn/hupuapp/bbs/700/32637700/thread_32637700_20200630163440_s_8813_w_561_h_193_41741.png" data-h="193" data-w="561" data-imgid="f584fbee2c5bb07022cddf37a61428b4"/></p><p><img src="https://i11.hoopchina.com.cn/hupuapp/bbs/700/32637700/thread_32637700_20200630163440_s_18174_w_431_h_503_64636.png" data-h="503" data-w="431" data-imgid="ee7bcde88bf792b7861635a0f1f203c9"/></p><p><img src="https://i5.hoopchina.com.cn/hupuapp/bbs/700/32637700/thread_32637700_20200630163803_s_17748_w_458_h_415_17277.png" data-h="415" data-w="458" data-imgid="332975df6ec4be7ae1a98a40d6f6528e"/></p><p><img src="https://i5.hoopchina.com.cn/hupuapp/bbs/700/32637700/thread_32637700_20200630163803_s_34694_w_1241_h_599_2585.png" data-h="599" data-w="1241" data-imgid="d361afb876703010a53e5d96ccde0f9f"/></p>

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