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package core
import (
"bytes"
"time"
tmbytes "github.com/tendermint/tendermint/libs/bytes"
ctypes "github.com/tendermint/tendermint/rpc/core/types"
rpctypes "github.com/tendermint/tendermint/rpc/jsonrpc/types"
"github.com/tendermint/tendermint/types"
)
// Status returns Tendermint status including node info, pubkey, latest block
// hash, app hash, block height and time.
// More: https://docs.tendermint.com/master/rpc/#/Info/status
func Status(ctx *rpctypes.Context) (*ctypes.ResultStatus, error) {
var (
earliestBlockHeight int64
earliestBlockHash tmbytes.HexBytes
earliestAppHash tmbytes.HexBytes
earliestBlockTimeNano int64
)
if earliestBlockMeta := env.BlockStore.LoadBaseMeta(); earliestBlockMeta != nil {
earliestBlockHeight = earliestBlockMeta.Header.Height
earliestAppHash = earliestBlockMeta.Header.AppHash
earliestBlockHash = earliestBlockMeta.BlockID.Hash
earliestBlockTimeNano = earliestBlockMeta.Header.Time.UnixNano()
}
var (
latestBlockHash tmbytes.HexBytes
latestAppHash tmbytes.HexBytes
latestBlockTimeNano int64
latestHeight = env.BlockStore.Height()
)
if latestHeight != 0 {
if latestBlockMeta := env.BlockStore.LoadBlockMeta(latestHeight); latestBlockMeta != nil {
latestBlockHash = latestBlockMeta.BlockID.Hash
latestAppHash = latestBlockMeta.Header.AppHash
latestBlockTimeNano = latestBlockMeta.Header.Time.UnixNano()
}
}
// Return the very last voting power, not the voting power of this validator
// during the last block.
var votingPower int64
if val := validatorAtHeight(latestUncommittedHeight()); val != nil {
votingPower = val.VotingPower
}
validatorInfo := ctypes.ValidatorInfo{}
if env.PubKey != nil {
validatorInfo = ctypes.ValidatorInfo{
Address: env.PubKey.Address(),
PubKey: env.PubKey,
VotingPower: votingPower,
}
}
result := &ctypes.ResultStatus{
NodeInfo: env.P2PTransport.NodeInfo(),
SyncInfo: ctypes.SyncInfo{
LatestBlockHash: latestBlockHash,
LatestAppHash: latestAppHash,
LatestBlockHeight: latestHeight,
LatestBlockTime: time.Unix(0, latestBlockTimeNano),
EarliestBlockHash: earliestBlockHash,
EarliestAppHash: earliestAppHash,
EarliestBlockHeight: earliestBlockHeight,
EarliestBlockTime: time.Unix(0, earliestBlockTimeNano),
CatchingUp: env.ConsensusReactor.WaitSync(),
},
ValidatorInfo: validatorInfo,
}
return result, nil
}
func validatorAtHeight(h int64) *types.Validator {
valsWithH, err := env.StateStore.LoadValidators(h)
if err != nil {
return nil
}
if env.PubKey == nil {
return nil
}
privValAddress := env.PubKey.Address()
// If we're still at height h, search in the current validator set.
lastBlockHeight, vals := env.ConsensusState.GetValidators()
if lastBlockHeight == h {
for _, val := range vals {
if bytes.Equal(val.Address, privValAddress) {
return val
}
}
}
_, val := valsWithH.GetByAddress(privValAddress)
return val
}