- Private blockchain
- PoA validation algorithm
Using geth attach MY-GETH-CLIENT
, I want to check the sealer of a block as well as its reward.
Using eth.getBlock(BLOCK-NUMBER)
, the miner field is sometimes equal to 0x00...0:
> eth.getBlock('216567')
{
difficulty: 2,
extraData: "0xd883010907846765746888676f312e31332e34856c696e757800000000000000a5d63126675c1b8f9811e995dd8cb5276486a64b06ad590a542c74aea142b68a64abc2f5bbd1ba3b10adfa8200ce678961b22c724f4eca81ba1bb770942c7d6e01",
gasLimit: 8000000,
gasUsed: 0,
hash: "0xed19228537c738101308a08811c4232ca72176efa55a498f7286ef915be854f0",
logsBloom: "0x000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
miner: "0x9a9ee44782accc4b5e893c0e7d16473ce19b79d6",
mixHash: "0x0000000000000000000000000000000000000000000000000000000000000000",
nonce: "0xffffffffffffffff",
number: 216567,
parentHash: "0x1f80f98bfa571053745d99146f2665a2a69004e8134cc750ba94b17bd2fd5639",
receiptsRoot: "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
sha3Uncles: "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347",
size: 609,
stateRoot: "0xe2236887f5f873fd7e4a12ba8e6bbf10ab6b2c70adcba3488bb6e9c9e89b1151",
timestamp: 1577436727,
totalDifficulty: 433020,
transactions: [],
transactionsRoot: "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
uncles: []
}
> eth.getBlock('216568')
{
properties,
miner: "0x0000000000000000000000000000000000000000",
Some more properties
}
Checking the balance of the address 0x9a9ee44782accc4b5e893c0e7d16473ce19b79d6
returns 0:
> eth.getBalance('0x9a9ee44782accc4b5e893c0e7d16473ce19b79d6')
0
I've read here that the sealer address should be in the extra data, but which part is it in the following extradata (from block 216567 above) ?
extraData: "0xd883010907846765746888676f312e31332e34856c696e757800000000000000a5d63126675c1b8f9811e995dd8cb5276486a64b06ad590a542c74aea142b68a64abc2f5bbd1ba3b10adfa8200ce678961b22c724f4eca81ba1bb770942c7d6e01",
How can I get, in PoA, the sealer of a block and how can I know the block reward ?
PS: I have access to the following modules in geth: admin:1.0 clique:1.0 eth:1.0 miner:1.0 net:1.0 personal:1.0 rpc:1.0 txpool:1.0 web3:1.0