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I have access to a private chain Ethereum node that is accessible via http https://sustainability-chain.info (e.g. i can access it with metamask using special RPC and networkid 20030117

Based on https://github.com/ethereum/wiki/wiki/JSON-RPC#eth_blocknumber I would like to change

curl -X POST --data '{"jsonrpc":"2.0","method":"eth_blockNumber","params":[],"id":1}' sustainability-chain.info 

which actually works better using:

curl -H "Content-Type: application/json" --data '{"jsonrpc":"2.0","method":"eth_blockNumber","params":[],"id":1}' sustainability-chain.info

into something like:

https://sustainability-chain.info/?method=eth_blockNumber&params=[]&id=1

but that does not work

Any idea what I am doing wrong?

closed as off-topic by Eli Drion, Ismael, shane, flygoing, Achala Dissanayake Apr 24 at 14:03

This question appears to be off-topic. The users who voted to close gave this specific reason:

  • "This question does not appear to be about Ethereum, the decentralized application platform and smart contract enabled blockchain, within the scope defined in the help center." – Eli Drion, Ismael, shane, flygoing, Achala Dissanayake
If this question can be reworded to fit the rules in the help center, please edit the question.

  • 1
    You need a server that accepts input in your desired syntax and make a translation to the RPC syntax accepted by geth, and to return the result. I don't know a product that does that automatically. – Ismael Apr 22 at 17:37
  • thank you. I installed web3 and access the information with java-scripts now – Hans-Ueli M. Apr 22 at 20:48
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This worked for me:

curl -X POST -H 'Content-Type: application/json' -d '{"jsonrpc":"2.0","method":"eth_blockNumber","id":1}' https://sustainability-chain.info

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