Validators info expansion

[owl352]

Issue

For new design of validator page #232, we need some additional data for validators.
And some tiny improvments

Things done

• Added connection info for validator ports (only for validators by pro_tx_hash).
• Added total and epoch rewards.
• Added current epoch info. (/epoch without param /:index)
• Added identity and identity balance fields.
• Updated readme.md and integration tests for validators and identities.
• Withdrawals info (only for validators by pro_tx_hash).
• Masternode voting decoding & unit test
• Added last withdrawal time
• Added new endpoint for identities withdrawals (/identity/:identifier/withdrawals)
• Added integration tests for identities withdrawals

reponse examples

validator/8ECA4BCBB3A124AB283AFD42DAD3BDB2077B3809659788A0F1DAFFCE5B9F001F

{
  "proTxHash": "8ECA4BCBB3A124AB283AFD42DAD3BDB2077B3809659788A0F1DAFFCE5B9F001F",
  "isActive": false,
  "proposedBlocksAmount": 159,
  "lastProposedBlockHeader": {
    "hash": "8CEED1EFE0B8CBF09F0E39D0937613D24729AE88ED6A52FC3AA9FE8B56CCD8DD",
    "height": 4847,
    "timestamp": "2024-09-03T16:31:57.275Z",
    "blockVersion": 14,
    "appVersion": 1,
    "l1LockedHeight": 1096045,
    "validator": "8ECA4BCBB3A124AB283AFD42DAD3BDB2077B3809659788A0F1DAFFCE5B9F001F"
  },
  "proTxInfo": {
    "type": "Evo",
    "collateralHash": "6ce8545e25d4f03aba1527062d9583ae01827c65b234bd979aca5954c6ae3a59",
    "collateralIndex": 14,
    "collateralAddress": "yU8gE6mYzrkdyYUVZvUqoBNJ2jJbjiDeJt",
    "operatorReward": 0,
    "confirmations": 267820,
    "state": {
      "version": 2,
      "service": "54.68.235.201:19999",
      "registeredHeight": 850334,
      "lastPaidHeight": 1118062,
      "consecutivePayments": 0,
      "PoSePenalty": 0,
      "PoSeRevivedHeight": 1083083,
      "PoSeBanHeight": -1,
      "revocationReason": 0,
      "ownerAddress": "yaCBsm8dFrNuy8hgDQyzV29MZvqQBRkdxv",
      "votingAddress": "yaCBsm8dFrNuy8hgDQyzV29MZvqQBRkdxv",
      "platformNodeID": "c075993a8336f93a13bb7bbb7e0e89928be4aafb",
      "platformP2PPort": 36656,
      "platformHTTPPort": 1443,
      "payoutAddress": "yeRZBWYfeNE4yVUHV4ZLs83Ppn9aMRH57A",
      "pubKeyOperator": "b942e2e50c5cf9d9fe81119cc5379057c05fe15134f85847356b5d1f6a21f29f4a53f61f03338d056edc15a8c63fbbe8",
      "endpoints": {
        "coreP2P": {
          "host": "35.165.50.126:19999",
          "status": "OK"
        },
        "platformP2P": {
          "host": "35.165.50.126:36656",
          "status": "OK"
        },
        "platformGrpc": {
          "host": "35.165.50.126:1443",
          "status": "OK"
        }
      }
    }
  },
  "identity": "AcPogCxrxeas7jrWYG7TnLHKbsA5KLHGfvg6oYgANZ8J",
  "identityBalance": 66271532855718,
  "epochInfo": {
    "number": 1982,
    "firstBlockHeight": 31976,
    "firstCoreBlockHeight": 1118131,
    "startTime": 1728488466559,
    "feeMultiplier": 1,
    "endTime": 1728492066559
  },
  "totalReward": 1694373420,
  "epochReward": 0,
  "withdrawalsCount": 1,
  "lastWithdrawal": "01FE1F00379C66C6E3BFD81A088E57E17613EC36E4FF812458535A8ABCB84047",
  "lastWithdrawalTime": "2024-10-12T03:15:19.257Z"
}

/identity/78nGoakMPbYKFLCgkt2qUXfZmw7ycESxQrx8k4deEBRt/withdrawals

{
    pagination: {
        page: 1,
        limit: 10,
        total: 10
    },
    resultSet: [
    {
      "amount": 10000000,
      "owner": "78nGoakMPbYKFLCgkt2qUXfZmw7ycESxQrx8k4deEBRt",
      "txHash": "47122C74C071288F7F0576DF2084F74A8B470EFFF35DD703F96DCAE7F21484EB",
      "timestamp": "2024-10-09T17:52:24.151Z",
      "blockHash": "B3655E797107BC970188055BBDBBDC785B6386BED7D26AC46468D736386E1042"
    }, ...
    ]
}

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