How to Connect to Cronos

Learn how easy it is to connect to the Cronos blockchain with Blockdaemon.

It's easy to connect to your Cronos infrastructure.

If you haven’t configured any Cronos infrastructure, visit the Cronos marketplace page to learn more about Blockdaemon’s Cronos options.

Once you have purchased your Blockdaemon Cronos infrastructure, your Blockdaemon Technical Account Manager (TAM) will send you the necessary access credentials.

Note: These are one-time views, so make sure to copy them.

In this guide, you’ll learn the following simple methods of connection to your infrastructure:


Cronos Tendermint REST Connection via cURL

curl -X POST -H 'Content-Type: application/json' 'YOUR_ENDPOINT_URL/tendermint_rest/status?auth=YOUR_AUTH_TOKEN'
  • Replace YOUR_ENDPOINT_URL with the Endpoint URL sent by your Blockdaemon TAM.
  • Replace YOUR_AUTH_TOKEN with the Auth Token sent by your Blockdaemon TAM.

Cronos Tendermint RPC Connection via cURL

curl -X POST -H 'Content-Type: application/json' --data '{"method": "YOUR_RPC_METHOD", "params": YOUR_PARAMS, "id": 1}' 'YOUR_ENDPOINT_URL/tendermint_rpc?auth=YOUR_AUTH_TOKEN'
  • Replace YOUR_RPC_METHOD with your chosen RPC method.
  • Replace YOUR_PARAMS with your chosen RPC parameters.
  • Replace YOUR_ENDPOINT_URL with the Endpoint URL sent by your Blockdaemon TAM.
  • Replace YOUR_AUTH_TOKEN with the Auth Token sent by your Blockdaemon TAM.

Cosmos REST Connection for Cronos

curl -X GET -H 'Content-Type: application/json' 'YOUR_ENDPOINT_URL/cosmos_rest/cosmos/gov/v1beta1/proposals?auth=YOUR_AUTH_TOKEN'
  • Replace YOUR_ENDPOINT_URL with the Endpoint URL sent by your Blockdaemon TAM.
  • Replace YOUR_AUTH_TOKEN with the Auth Token sent by your Blockdaemon TAM.

Cronos Tendermint GRPC Connection

grpcurl -H "X-Auth-Token: YOUR_AUTH_TOKEN" YOUR_ENDPOINT_URL:443 list
  • Replace YOUR_AUTH_TOKEN with the Auth Token sent by your Blockdaemon TAM.
  • Replace YOUR_ENDPOINT_URL with the Endpoint URL sent by your Blockdaemon TAM.

Cronos Connection via WebSocket

Tendermint Websocket

wscat -H "X-Auth-Token: YOUR_AUTH_TOKEN" -c wss://YOUR_ENDPOINT_URL/websocket  
{"method": "status", "params": \[], "id": 1}
  • Replace YOUR_AUTH_TOKEN with the Auth Token sent by your Blockdaemon TAM.
  • Replace YOUR_ENDPOINT_URL with the Endpoint URL sent by your Blockdaemon TAM.

Ethereum Websocket

wscat -H "X-Auth-Token: YOUR_AUTH_TOKEN" -c wss://YOUR_ENDPOINT_URL/eth_websocket  
{"method": "web3_clientVersion", "params": \[], "id": 1, "jsonrpc":"2.0"}
  • Replace YOUR_AUTH_TOKEN with the Auth Token sent by your Blockdaemon TAM.
  • Replace YOUR_ENDPOINT_URL with the Endpoint URL sent by your Blockdaemon TAM.

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Info:

wscat is a tool that can connect over WebSocket(s) and may need to be installed. You can use your preferred tool of choice.


Cronos ETH RPC Connection via cURL

curl -X POST -H "Content-Type: application/json" --data '{"method": "YOUR_RPC_METHOD", "params": YOUR_PARAMS, "id": 1, "jsonrpc":"2.0"}' 'YOUR_ENDPOINT_URL/eth_rpc?auth=YOUR_AUTH_TOKEN'
  • Replace YOUR_RPC_METHOD with your chosen RPC method.
  • Replace YOUR_PARAMS with your chosen RPC parameters.
  • Replace YOUR_ENDPOINT_URL with the Endpoint URL sent by your Blockdaemon TAM.
  • Replace YOUR_AUTH_TOKEN with the Auth Token sent by your Blockdaemon TAM.

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