The debug API gives you access to several non-standard RPC methods, which will allow you to inspect, debug and set certain debugging flags during runtime.
Returns a list of the last “bad blocks” that the client has seen on the network.
None
Array - List of “bad blocks” seen on the network.Request
curl --data '{"method":"debug_getBadBlocks","params":[],"id":1,"jsonrpc":"2.0"}' -H "Content-Type: application/json" -X POST localhost:8545
Response
{
"id": 1,
"jsonrpc": "2.0",
"result": [{
"author": "0x0000000000000000000000000000000000000000",
"difficulty": "0x0",
"extraData": "0x",
"gasLimit": "0x0",
"gasUsed": "0x0",
"hash": "0x27bfb37e507ce90da141307204b1c6ba24194380613590ac50ca4b1d7198ff65",
"logsBloom": "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
"miner": "0x0000000000000000000000000000000000000000",
"number": "0x0",
"parentHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
"reason": "Invalid block",
"receiptsRoot": "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
"rlp": "0x010203",
"sealFields": [],
"sha3Uncles": "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347",
"size": "0x3",
"stateRoot": "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
"timestamp": "0x0",
"totalDifficulty": null,
"transactions": [],
"transactionsRoot": "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
"uncles": []
}]
}