The latest articles on Developers Forum for XinFin XDC Network by Eduardo Robles (@eoaks). https://www.xdc.dev/eoaks https://www.xdc.dev/images/hatTiK7oAsmm8uYNucWwitx2rhkCcIYk0htkUOk8Na8/rs:fill:90:90/mb:500000/ar:1/aHR0cHM6Ly93d3cu/eGRjLmRldi91cGxv/YWRzL3VzZXIvcHJv/ZmlsZV9pbWFnZS8y/MTMvODlhN2NlYmEt/MzNlOC00MzRjLWIw/OWEtYWE0NjI0YTQy/M2FjLnBuZw https://www.xdc.dev/eoaks en Eduardo Robles Mon, 29 Aug 2022 23:31:36 +0000 https://www.xdc.dev/eoaks/how-do-i-implement-a-subgraph-4hpb https://www.xdc.dev/eoaks/how-do-i-implement-a-subgraph-4hpb <p>I've been trying to implement a subgraph using graph-protocol's <a href="https://github.com/graphprotocol/graph-node">graph-node</a> by changing <a href="https://github.com/graphprotocol/graph-node/blob/master/docker/docker-compose.yml">this file </a> to have <code>ethereum: 'mainnet:https://rpc.apothem.network'</code>.</p> <p>But running <code>docker-compose up</code> with this gives the following error.<br> <code>Aug 29 20:46:40.700 WARN Trying again after eth_getBlockByNumber(0, false) RPC call failed (attempt #11) with result Err(Decoder error: Error("invalid length 43, expected a (both 0x-prefixed or not) hex string with length of 40", line: 0, column: 0)), provider: mainnet-rpc-0</code></p> <p>I was kindly pointed to t<a href="https://www.xdc.dev/xu_zhaolin_fcf881856ae0b5/graphnode-xinfin-compatibility-project-done-44mp">his post</a> which does say that it is possible to have a subgraph, but haven't been able to tell the difference from my code to the one in the examples. </p> <p>Can someone point me in the right direction here? What am i missing?</p> subgraph thegraph graphnode testnet