[MEV Boost\Builder] check MEV rewards

[tbenr]

Logged MEV rewards seems too high.

We should check if we are getting it right from the builder apis. (endianness issue?)

{"@timestamp":"2022-06-08T14:16:24,105","level":"INFO","thread":"OkHttp https://builder-relay-kiln.flashbots.net/...","class":"ExecutionLayerManagerImpl","message":"Received Builder Bid (Block Number = 611390, Block Hash = 0xd0c094cb36353b8437ad3786bbf6f3ae20f922ca6fd64c60bb7c0eee4f259674
, MEV Reward (wei) = 25368405923983682615519490057163250960554327957110539795117296244532686356480, Gas Limit = 30029295, Gas Used = 1231504)","throwable":""}

[StefanBratanov]

Closing this. There was an issue with the builder relay on kiln which is fixed now and we are getting adequate rewards value. Also we are correctly deserializing the value coming from the builder.

Builder Response:

{
   "version":"bellatrix",
   "data":{
      "message":{
         "header":{
            "parent_hash":"0x30d1b08219ea6d4784289df60c1901b9d18325d6766d72326848d81cfdf83bf3",
            "fee_recipient":"0x0000000000000000000000000000000000000001",
            "state_root":"0xf9444403af46fa85654685e2004cde481405121d15fa55edee7287be4674a22b",
            "receipts_root":"0xc5cac51a5002bc330aef76a95f73938bfa50f4c846269da2a0b672d229d619b2",
            "logs_bloom":"0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000800000000000000000008000000000000000000008000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000110000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002000001000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000040008000000000000",
            "prev_randao":"0x6b86bb90af9785ba1cfdca300bdec97603a4afefc5fc3330ef9e6c87e6ed4a08",
            "block_number":"623514",
            "gas_limit":"29999972",
            "gas_used":"143661",
            "timestamp":"1654868868",
            "extra_data":"0x",
            "base_fee_per_gas":"7",
            "block_hash":"0x66794039f166503e70206c483266bbd12c26f3d2f247a4f3f8ac9d58b8260eaa",
            "transactions_root":"0xfe83a85f4277f92351c1c7e688229763007dd25eac75e6125110f0f45e63925f"
         },
         "value":"485097604181000",
         "pubkey":"0xb5246e299aeb782fbc7c91b41b3284245b1ed5206134b0028b81dfb974e5900616c67847c2354479934fc4bb75519ee1"
      },
      "signature":"0xa87af4cca2793ac606f63be1c7cfa2da7a8e7391c0373224b8fafba7bf8b3919ec00a20fb5327ffbe63360c12f5972a515711804d35831004d19c8bba0b88ff992e1798058b45310a08444e52079d5192998c9c93c71ec1ba14a2bb2373280e5"
   }
}

Log:
{"@timestamp":"2022-06-10T13:47:48,083","level":"INFO","thread":"OkHttp https://builder-relay-kiln.flashbots.net/...","class":"ExecutionLayerManagerImpl","message":"Received Builder Bid (Block Number = 623514, Block Hash = 0x66794039f166503e70206c483266bbd12c26f3d2f247a4f3f8ac9d58b8260eaa, MEV Reward (wei) = 485097604181000, Gas Limit = 29999972, Gas Used = 143661)","throwable":""}