gitlab.com/gpdionisio/tendermint@v0.34.19-dev2/rpc/core/status.go (about)

     1  package core
     2  
     3  import (
     4  	"time"
     5  
     6  	tmbytes "github.com/tendermint/tendermint/libs/bytes"
     7  	"github.com/tendermint/tendermint/p2p"
     8  	ctypes "github.com/tendermint/tendermint/rpc/core/types"
     9  	rpctypes "github.com/tendermint/tendermint/rpc/jsonrpc/types"
    10  	"github.com/tendermint/tendermint/types"
    11  )
    12  
    13  // Status returns Tendermint status including node info, pubkey, latest block
    14  // hash, app hash, block height and time.
    15  // More: https://docs.tendermint.com/master/rpc/#/Info/status
    16  func Status(ctx *rpctypes.Context) (*ctypes.ResultStatus, error) {
    17  	var (
    18  		earliestBlockHeight   int64
    19  		earliestBlockHash     tmbytes.HexBytes
    20  		earliestAppHash       tmbytes.HexBytes
    21  		earliestBlockTimeNano int64
    22  	)
    23  
    24  	if earliestBlockMeta := env.BlockStore.LoadBaseMeta(); earliestBlockMeta != nil {
    25  		earliestBlockHeight = earliestBlockMeta.Header.Height
    26  		earliestAppHash = earliestBlockMeta.Header.AppHash
    27  		earliestBlockHash = earliestBlockMeta.BlockID.Hash
    28  		earliestBlockTimeNano = earliestBlockMeta.Header.Time.UnixNano()
    29  	}
    30  
    31  	var (
    32  		latestBlockHash     tmbytes.HexBytes
    33  		latestAppHash       tmbytes.HexBytes
    34  		latestBlockTimeNano int64
    35  
    36  		latestHeight = env.BlockStore.Height()
    37  	)
    38  
    39  	if latestHeight != 0 {
    40  		if latestBlockMeta := env.BlockStore.LoadBlockMeta(latestHeight); latestBlockMeta != nil {
    41  			latestBlockHash = latestBlockMeta.BlockID.Hash
    42  			latestAppHash = latestBlockMeta.Header.AppHash
    43  			latestBlockTimeNano = latestBlockMeta.Header.Time.UnixNano()
    44  		}
    45  	}
    46  
    47  	// Return the very last voting power, not the voting power of this validator
    48  	// during the last block.
    49  	var votingPower int64
    50  	if val := validatorAtHeight(latestUncommittedHeight()); val != nil {
    51  		votingPower = val.VotingPower
    52  	}
    53  
    54  	result := &ctypes.ResultStatus{
    55  		NodeInfo: env.P2PTransport.NodeInfo().(p2p.DefaultNodeInfo),
    56  		SyncInfo: ctypes.SyncInfo{
    57  			LatestBlockHash:     latestBlockHash,
    58  			LatestAppHash:       latestAppHash,
    59  			LatestBlockHeight:   latestHeight,
    60  			LatestBlockTime:     time.Unix(0, latestBlockTimeNano),
    61  			EarliestBlockHash:   earliestBlockHash,
    62  			EarliestAppHash:     earliestAppHash,
    63  			EarliestBlockHeight: earliestBlockHeight,
    64  			EarliestBlockTime:   time.Unix(0, earliestBlockTimeNano),
    65  			CatchingUp:          env.ConsensusReactor.WaitSync(),
    66  		},
    67  		ValidatorInfo: ctypes.ValidatorInfo{
    68  			Address:     env.PubKey.Address(),
    69  			PubKey:      env.PubKey,
    70  			VotingPower: votingPower,
    71  		},
    72  	}
    73  
    74  	return result, nil
    75  }
    76  
    77  func validatorAtHeight(h int64) *types.Validator {
    78  	vals, err := env.StateStore.LoadValidators(h)
    79  	if err != nil {
    80  		return nil
    81  	}
    82  	privValAddress := env.PubKey.Address()
    83  	_, val := vals.GetByAddress(privValAddress)
    84  	return val
    85  }