Query The Latest Block Information

GET /v1/block/latest

Return example:

json
{
    "hash": "H44ZPPWLRIXI3TJ64UZSHKKSJ4XRJMWIGU6FHFQXWFTRY3QHW3426MWP3IA44KJHZHBEHSOYYEWNO",//hash of the current block 
    "previousBlockHash": "BF4BVNISMRNALPYXZAPPK4LKLVGTUDVWGNA5BQYJVHPDRZXTVGQG3LA4FB6RPHSYX5IEA44BGD3DE",//hash of the preceding block 
    "seed": "HSIWSUEVTY4VRJCZMJ4VE7MFTDBA6SGIM7LY6YOWJ624ON7LFOINBIT6A3STY4GV52D5IIMNZDVNO",//VRF seed for draw
    "proposer": "gt11ynwpc98gkh9uxxnkld7gjp5knu5ht75f0223uf298ap6ug6vtx5ank5vfde0pylmu09wzh",//consensus account that make a  proposal in the block
    "height": "959",//block height
    "period": "0",//block phase
    "txnRoot": "LHHTNT65QQOXUV6MQM4LIZ5PRGGY32XQRFTHIO4WXY4BPVBCWEXQFZ2NZU37AYKWOOUFSL4YTX2A4",// hash of the transaction collection in a block
    "txnps": {//transaction collection
        "proxyTransactions": null
    },
    "timestamp": "1591788058",//time the block is generated at
    "UpgradeState": { //consensus protocol version status
        "currentProtocol": "v1", //current version number
        "nextProtocol": "", //target version number to upgrade to 
        "nextProtocolApprovals": "0", //votes already received by target version
        "nextProtocolVoteBefore": "0",//deadline height  to vote to  target version
        "nextProtocolSwitchOn": "0" // height to upgrade to target version
    },
    "UpgradeVote": { //voting status of consensus protocol upgrade 
        "upgradePropose": "", //target version number to upgrade to 
        "upgradeApprove": false //voting results of upgrading to target version
    },
    "CertCommitteeInfo": [ //block committee information(in locall certificate)(potential reward winners of next round)
       "gt117h3k4uaftcql9zaqll5vg2x3gn67576qyklnvmzh9xldczryqpzpdj69xygrm0hvklufun",
       "singleCommitteePower": "90000341" // consensus account power of this round
    ],
    "BlockCommitteeInfo": [ //block committee information(in block head)(reward winners of this round)
       "gt117h3k4uaftcql9zaqll5vg2x3gn67576qyklnvmzh9xldczryqpzpdj69xygrm0hvklufun",
       "singleCommitteePower": "90000323" //consensus account power of preceding round 
    ],
    "autoOfflineAccounts": [] //consensus accounts auto-offline at specified round
}

Query A Specific BLock Information command line

GET /v1/block/{height}

Parameters:

Parameter Description
height block height(>=1)

Return example:

json
{
    "hash": "H44ZPPWLRIXI3TJ64UZSHKKSJ4XRJMWIGU6FHFQXWFTRY3QHW3426MWP3IA44KJHZHBEHSOYYEWNO",//hash of current block 
    "previousBlockHash": "BF4BVNISMRNALPYXZAPPK4LKLVGTUDVWGNA5BQYJVHPDRZXTVGQG3LA4FB6RPHSYX5IEA44BGD3DE",//hash of preceding block 
    "seed": "HSIWSUEVTY4VRJCZMJ4VE7MFTDBA6SGIM7LY6YOWJ624ON7LFOINBIT6A3STY4GV52D5IIMNZDVNO",//VRF seed for draw
    "proposer": "gt11ynwpc98gkh9uxxnkld7gjp5knu5ht75f0223uf298ap6ug6vtx5ank5vfde0pylmu09wzh",//consensus account to propose in a block
    "height": "959",//block height
    "period": "0",//block phase
    "txnRoot": "LHHTNT65QQOXUV6MQM4LIZ5PRGGY32XQRFTHIO4WXY4BPVBCWEXQFZ2NZU37AYKWOOUFSL4YTX2A4",// hash of the transaction collection in a block
    "txnps": {//transaction collection
        "proxyTransactions": null
    },
    "timestamp": "1591788058",//time the block is generated at
    "UpgradeState": { //consensus protocol version status
        "currentProtocol": "v1", //current version number
        "nextProtocol": "", //target version number to upgrade to 
        "nextProtocolApprovals": "0", //votes already received by target version
        "nextProtocolVoteBefore": "0",//deadline height  to vote to  target version
        "nextProtocolSwitchOn": "0" // height to upgrade to target version
    },
    "UpgradeVote": { //consensus protocol upgrade voting status
        "upgradePropose": "", //target version number to upgrade to 
        "upgradeApprove": false //voting results of upgrading to target version
    },
    "CertCommitteeInfo": [ //block committee information (in localcertificate)(potential reward winners of next round)
       "gt117h3k4uaftcql9zaqll5vg2x3gn67576qyklnvmzh9xldczryqpzpdj69xygrm0hvklufun",
       "singleCommitteePower": "90000341" //consensus account power of this round 
    ],
    "BlockCommitteeInfo": [ //block committee information(in block head)(reward winners of this round)
       "gt117h3k4uaftcql9zaqll5vg2x3gn67576qyklnvmzh9xldczryqpzpdj69xygrm0hvklufun",
       "singleCommitteePower": "90000323" //consensus account power of preceding round 
    ],
    "autoOfflineAccounts": [] //consensus accounts auto-offline  at specified round
}

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