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    <title>DEV Community: Hideo Hattori</title>
    <description>The latest articles on DEV Community by Hideo Hattori (@hhatto).</description>
    <link>https://dev.to/hhatto</link>
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      <title>DEV Community: Hideo Hattori</title>
      <link>https://dev.to/hhatto</link>
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    <item>
      <title>Daily Price data from uniswap via subgraph (TheGraph)</title>
      <dc:creator>Hideo Hattori</dc:creator>
      <pubDate>Wed, 23 Sep 2020 15:13:54 +0000</pubDate>
      <link>https://dev.to/hhatto/daily-price-data-from-uniswap-via-subgraph-thegraph-4b56</link>
      <guid>https://dev.to/hhatto/daily-price-data-from-uniswap-via-subgraph-thegraph-4b56</guid>
      <description>&lt;h2&gt;
  
  
  daily data
&lt;/h2&gt;



&lt;div class="highlight"&gt;&lt;pre class="highlight shell"&gt;&lt;code&gt;&lt;span class="c"&gt;# thegraph.sh&lt;/span&gt;
curl &lt;span class="nt"&gt;-v&lt;/span&gt; &lt;span class="se"&gt;\&lt;/span&gt;
  &lt;span class="nt"&gt;-X&lt;/span&gt; POST &lt;span class="s2"&gt;"https://api.thegraph.com/subgraphs/name/uniswap/uniswap-v2"&lt;/span&gt; &lt;span class="se"&gt;\&lt;/span&gt;
  &lt;span class="nt"&gt;-H&lt;/span&gt; &lt;span class="s2"&gt;"Content-Type: application/json"&lt;/span&gt; &lt;span class="se"&gt;\&lt;/span&gt;
  &lt;span class="nt"&gt;-d&lt;/span&gt; &lt;span class="se"&gt;\&lt;/span&gt;
&lt;span class="s1"&gt;'{"query": "{tokenDayDatas(first: 3, orderBy: date, orderDirection: desc, where: { token: \"0x5caf454ba92e6f2c929df14667ee360ed9fd5b26\"}) { id date token { id symbol } priceUSD } }",
  "variables":null
}'&lt;/span&gt;
&lt;/code&gt;&lt;/pre&gt;&lt;/div&gt;





&lt;div class="highlight"&gt;&lt;pre class="highlight plaintext"&gt;&lt;code&gt;$ sh ./thegraph.sh | jq
&lt;/code&gt;&lt;/pre&gt;&lt;/div&gt;





&lt;div class="highlight"&gt;&lt;pre class="highlight json"&gt;&lt;code&gt;&lt;span class="p"&gt;{&lt;/span&gt;&lt;span class="w"&gt;
  &lt;/span&gt;&lt;span class="nl"&gt;"data"&lt;/span&gt;&lt;span class="p"&gt;:&lt;/span&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="p"&gt;{&lt;/span&gt;&lt;span class="w"&gt;
    &lt;/span&gt;&lt;span class="nl"&gt;"tokenDayDatas"&lt;/span&gt;&lt;span class="p"&gt;:&lt;/span&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="p"&gt;[&lt;/span&gt;&lt;span class="w"&gt;
      &lt;/span&gt;&lt;span class="p"&gt;{&lt;/span&gt;&lt;span class="w"&gt;
        &lt;/span&gt;&lt;span class="nl"&gt;"date"&lt;/span&gt;&lt;span class="p"&gt;:&lt;/span&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="mi"&gt;1600819200&lt;/span&gt;&lt;span class="p"&gt;,&lt;/span&gt;&lt;span class="w"&gt;
        &lt;/span&gt;&lt;span class="nl"&gt;"id"&lt;/span&gt;&lt;span class="p"&gt;:&lt;/span&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="s2"&gt;"0x5caf454ba92e6f2c929df14667ee360ed9fd5b26-18528"&lt;/span&gt;&lt;span class="p"&gt;,&lt;/span&gt;&lt;span class="w"&gt;
        &lt;/span&gt;&lt;span class="nl"&gt;"priceUSD"&lt;/span&gt;&lt;span class="p"&gt;:&lt;/span&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="s2"&gt;"2.806800389425393983069918593327176"&lt;/span&gt;&lt;span class="p"&gt;,&lt;/span&gt;&lt;span class="w"&gt;
        &lt;/span&gt;&lt;span class="nl"&gt;"token"&lt;/span&gt;&lt;span class="p"&gt;:&lt;/span&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="p"&gt;{&lt;/span&gt;&lt;span class="w"&gt;
          &lt;/span&gt;&lt;span class="nl"&gt;"id"&lt;/span&gt;&lt;span class="p"&gt;:&lt;/span&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="s2"&gt;"0x5caf454ba92e6f2c929df14667ee360ed9fd5b26"&lt;/span&gt;&lt;span class="p"&gt;,&lt;/span&gt;&lt;span class="w"&gt;
          &lt;/span&gt;&lt;span class="nl"&gt;"symbol"&lt;/span&gt;&lt;span class="p"&gt;:&lt;/span&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="s2"&gt;"DEV"&lt;/span&gt;&lt;span class="w"&gt;
        &lt;/span&gt;&lt;span class="p"&gt;}&lt;/span&gt;&lt;span class="w"&gt;
      &lt;/span&gt;&lt;span class="p"&gt;},&lt;/span&gt;&lt;span class="w"&gt;
      &lt;/span&gt;&lt;span class="p"&gt;{&lt;/span&gt;&lt;span class="w"&gt;
        &lt;/span&gt;&lt;span class="nl"&gt;"date"&lt;/span&gt;&lt;span class="p"&gt;:&lt;/span&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="mi"&gt;1600732800&lt;/span&gt;&lt;span class="p"&gt;,&lt;/span&gt;&lt;span class="w"&gt;
        &lt;/span&gt;&lt;span class="nl"&gt;"id"&lt;/span&gt;&lt;span class="p"&gt;:&lt;/span&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="s2"&gt;"0x5caf454ba92e6f2c929df14667ee360ed9fd5b26-18527"&lt;/span&gt;&lt;span class="p"&gt;,&lt;/span&gt;&lt;span class="w"&gt;
        &lt;/span&gt;&lt;span class="nl"&gt;"priceUSD"&lt;/span&gt;&lt;span class="p"&gt;:&lt;/span&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="s2"&gt;"3.03633060835788742357890476280017"&lt;/span&gt;&lt;span class="p"&gt;,&lt;/span&gt;&lt;span class="w"&gt;
        &lt;/span&gt;&lt;span class="nl"&gt;"token"&lt;/span&gt;&lt;span class="p"&gt;:&lt;/span&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="p"&gt;{&lt;/span&gt;&lt;span class="w"&gt;
          &lt;/span&gt;&lt;span class="nl"&gt;"id"&lt;/span&gt;&lt;span class="p"&gt;:&lt;/span&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="s2"&gt;"0x5caf454ba92e6f2c929df14667ee360ed9fd5b26"&lt;/span&gt;&lt;span class="p"&gt;,&lt;/span&gt;&lt;span class="w"&gt;
          &lt;/span&gt;&lt;span class="nl"&gt;"symbol"&lt;/span&gt;&lt;span class="p"&gt;:&lt;/span&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="s2"&gt;"DEV"&lt;/span&gt;&lt;span class="w"&gt;
        &lt;/span&gt;&lt;span class="p"&gt;}&lt;/span&gt;&lt;span class="w"&gt;
      &lt;/span&gt;&lt;span class="p"&gt;},&lt;/span&gt;&lt;span class="w"&gt;
      &lt;/span&gt;&lt;span class="p"&gt;{&lt;/span&gt;&lt;span class="w"&gt;
        &lt;/span&gt;&lt;span class="nl"&gt;"date"&lt;/span&gt;&lt;span class="p"&gt;:&lt;/span&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="mi"&gt;1600646400&lt;/span&gt;&lt;span class="p"&gt;,&lt;/span&gt;&lt;span class="w"&gt;
        &lt;/span&gt;&lt;span class="nl"&gt;"id"&lt;/span&gt;&lt;span class="p"&gt;:&lt;/span&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="s2"&gt;"0x5caf454ba92e6f2c929df14667ee360ed9fd5b26-18526"&lt;/span&gt;&lt;span class="p"&gt;,&lt;/span&gt;&lt;span class="w"&gt;
        &lt;/span&gt;&lt;span class="nl"&gt;"priceUSD"&lt;/span&gt;&lt;span class="p"&gt;:&lt;/span&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="s2"&gt;"3.233086904554954033846620475375757"&lt;/span&gt;&lt;span class="p"&gt;,&lt;/span&gt;&lt;span class="w"&gt;
        &lt;/span&gt;&lt;span class="nl"&gt;"token"&lt;/span&gt;&lt;span class="p"&gt;:&lt;/span&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="p"&gt;{&lt;/span&gt;&lt;span class="w"&gt;
          &lt;/span&gt;&lt;span class="nl"&gt;"id"&lt;/span&gt;&lt;span class="p"&gt;:&lt;/span&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="s2"&gt;"0x5caf454ba92e6f2c929df14667ee360ed9fd5b26"&lt;/span&gt;&lt;span class="p"&gt;,&lt;/span&gt;&lt;span class="w"&gt;
          &lt;/span&gt;&lt;span class="nl"&gt;"symbol"&lt;/span&gt;&lt;span class="p"&gt;:&lt;/span&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="s2"&gt;"DEV"&lt;/span&gt;&lt;span class="w"&gt;
        &lt;/span&gt;&lt;span class="p"&gt;}&lt;/span&gt;&lt;span class="w"&gt;
      &lt;/span&gt;&lt;span class="p"&gt;}&lt;/span&gt;&lt;span class="w"&gt;
    &lt;/span&gt;&lt;span class="p"&gt;]&lt;/span&gt;&lt;span class="w"&gt;
  &lt;/span&gt;&lt;span class="p"&gt;}&lt;/span&gt;&lt;span class="w"&gt;
&lt;/span&gt;&lt;span class="p"&gt;}&lt;/span&gt;&lt;span class="w"&gt;
&lt;/span&gt;&lt;/code&gt;&lt;/pre&gt;&lt;/div&gt;



&lt;p&gt;&lt;em&gt;update: 2020.09.24&lt;/em&gt;&lt;/p&gt;

&lt;h2&gt;
  
  
  semi-realtime data
&lt;/h2&gt;

&lt;h3&gt;
  
  
  ETH-USD price
&lt;/h3&gt;



&lt;div class="highlight"&gt;&lt;pre class="highlight plaintext"&gt;&lt;code&gt;$ curl -X POST "https://api.thegraph.com/subgraphs/name/uniswap/uniswap-v2" -H "Content-Type: application/json" -d \
'{"query": "{bundle(id: 1) { id ethPrice } }",
  "variables":null
}'
&lt;/code&gt;&lt;/pre&gt;&lt;/div&gt;





&lt;div class="highlight"&gt;&lt;pre class="highlight json"&gt;&lt;code&gt;&lt;span class="p"&gt;{&lt;/span&gt;&lt;span class="nl"&gt;"data"&lt;/span&gt;&lt;span class="p"&gt;:{&lt;/span&gt;&lt;span class="nl"&gt;"bundle"&lt;/span&gt;&lt;span class="p"&gt;:{&lt;/span&gt;&lt;span class="nl"&gt;"ethPrice"&lt;/span&gt;&lt;span class="p"&gt;:&lt;/span&gt;&lt;span class="s2"&gt;"338.9406833562309124607125730378295"&lt;/span&gt;&lt;span class="p"&gt;,&lt;/span&gt;&lt;span class="nl"&gt;"id"&lt;/span&gt;&lt;span class="p"&gt;:&lt;/span&gt;&lt;span class="s2"&gt;"1"&lt;/span&gt;&lt;span class="p"&gt;}}}&lt;/span&gt;&lt;span class="w"&gt;
&lt;/span&gt;&lt;/code&gt;&lt;/pre&gt;&lt;/div&gt;



&lt;h3&gt;
  
  
  DEV-ETH price
&lt;/h3&gt;



&lt;div class="highlight"&gt;&lt;pre class="highlight shell"&gt;&lt;code&gt;&lt;span class="nv"&gt;$ &lt;/span&gt;curl &lt;span class="nt"&gt;-X&lt;/span&gt; POST &lt;span class="s2"&gt;"https://api.thegraph.com/subgraphs/name/uniswap/uniswap-v2"&lt;/span&gt; &lt;span class="nt"&gt;-H&lt;/span&gt; &lt;span class="s2"&gt;"Content-Type: application/json"&lt;/span&gt; &lt;span class="nt"&gt;-d&lt;/span&gt; &lt;span class="se"&gt;\&lt;/span&gt;
&lt;span class="s1"&gt;'{"query": "{token(id: \"0x5caf454ba92e6f2c929df14667ee360ed9fd5b26\") { id derivedETH } }",
  "variables":null
}'&lt;/span&gt;
&lt;/code&gt;&lt;/pre&gt;&lt;/div&gt;





&lt;div class="highlight"&gt;&lt;pre class="highlight json"&gt;&lt;code&gt;&lt;span class="p"&gt;{&lt;/span&gt;&lt;span class="nl"&gt;"data"&lt;/span&gt;&lt;span class="p"&gt;:{&lt;/span&gt;&lt;span class="nl"&gt;"token"&lt;/span&gt;&lt;span class="p"&gt;:{&lt;/span&gt;&lt;span class="nl"&gt;"derivedETH"&lt;/span&gt;&lt;span class="p"&gt;:&lt;/span&gt;&lt;span class="s2"&gt;"0.008128160843209088915463402585521696"&lt;/span&gt;&lt;span class="p"&gt;,&lt;/span&gt;&lt;span class="nl"&gt;"id"&lt;/span&gt;&lt;span class="p"&gt;:&lt;/span&gt;&lt;span class="s2"&gt;"0x5caf454ba92e6f2c929df14667ee360ed9fd5b26"&lt;/span&gt;&lt;span class="p"&gt;}}}&lt;/span&gt;&lt;span class="w"&gt;
&lt;/span&gt;&lt;/code&gt;&lt;/pre&gt;&lt;/div&gt;



</description>
      <category>uniswap</category>
      <category>blockchain</category>
    </item>
  </channel>
</rss>
