SuperCipher/curl-eth-json-rpc.md

## curl-eth-json-rpc.md

      
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              curl-eth-json-rpc.md
            
          
    Get current block:

curl '172.21.0.3:8545' -X POST -H 'Content-Type: application/json' --data '{"jsonrpc":"2.0","method":"eth_blockNumber","params":[],"id":83}'
result
 { "id":83, "jsonrpc": "2.0", "result": "0x4b7"  }
or

curl '172.21.0.3:8545' -X POST -H 'Content-Type: application/json' --data '{"jsonrpc":"2.0","method":"eth_syncing","params":[],"id":1}'
Result
{ "id":1, "jsonrpc": "2.0", "result": { startingBlock: '0x384', currentBlock: '0x386', highestBlock: '0x454' } }
Or when not syncing
{ "id":1, "jsonrpc": "2.0", "result": false }
Get number of txs in mempool:

curl --data '{"method":"txpool_status","id":1,"jsonrpc":"2.0"}' -H "Content-Type: application/json" -X POST '172.21.0.3:8545'
result
{"jsonrpc":"2.0","id":1,"result":{"pending":"0x0","queued":"0x0"}}
Balance galance of a known good account

curl --location --request POST 'https://main-light.eth.linkpool.io' \
--header 'Content-Type: application/json' \
--data-raw '{
        "jsonrpc":"2.0",
        "method":"eth_getBalance",
        "params":[
                "0x62168f743A1eA7eD583eB7F5Fb35e2409f409361",
                "latest"
        ],
        "id":1
}'
{"jsonrpc":"2.0","id":1,"result":"0x382c0adc13151b0"}
result
{"jsonrpc":"2.0","id":1,"result":"0x382c0adc13151b0"}