package core import ( "bytes" "time" ctypes "github.com/tendermint/tendermint/rpc/core/types" sm "github.com/tendermint/tendermint/state" "github.com/tendermint/tendermint/types" cmn "github.com/tendermint/tendermint/libs/common" ) // Get Tendermint status including node info, pubkey, latest block // hash, app hash, block height and time. // // ```shell // curl 'localhost:26657/status' // ``` // // ```go // client := client.NewHTTP("tcp://0.0.0.0:26657", "/websocket") // result, err := client.Status() // ``` // // > The above command returns JSON structured like this: // // ```json //{ // "jsonrpc": "2.0", // "id": "", // "result": { // "node_info": { // "id": "562dd7f579f0ecee8c94a11a3c1e378c1876f433", // "listen_addr": "192.168.1.2:26656", // "network": "test-chain-I6zScH", // "version": "0.19.0", // "channels": "4020212223303800", // "moniker": "Ethans-MacBook-Pro.local", // "other": [ // "amino_version=0.9.8", // "p2p_version=0.5.0", // "consensus_version=v1/0.2.2", // "rpc_version=0.7.0/3", // "tx_index=on", // "rpc_addr=tcp://0.0.0.0:26657" // ] // }, // "sync_info": { // "latest_block_hash": "2D4D7055BE685E3CB2410603C92AD37AE557AC59", // "latest_app_hash": "0000000000000000", // "latest_block_height": 231, // "latest_block_time": "2018-04-27T23:18:08.459766485-04:00", // "catching_up": false // }, // "validator_info": { // "address": "5875562FF0FFDECC895C20E32FC14988952E99E7", // "pub_key": { // "type": "tendermint/PubKeyEd25519", // "value": "PpDJRUrLG2RgFqYYjawfn/AcAgacSXpLFrmfYYQnuzE=" // }, // "voting_power": 10 // } // } //} // ``` func Status() (*ctypes.ResultStatus, error) { latestHeight := blockStore.Height() var ( latestBlockMeta *types.BlockMeta latestBlockHash cmn.HexBytes latestAppHash cmn.HexBytes latestBlockTimeNano int64 ) if latestHeight != 0 { latestBlockMeta = blockStore.LoadBlockMeta(latestHeight) latestBlockHash = latestBlockMeta.BlockID.Hash latestAppHash = latestBlockMeta.Header.AppHash latestBlockTimeNano = latestBlockMeta.Header.Time.UnixNano() } latestBlockTime := time.Unix(0, latestBlockTimeNano) var votingPower int64 if val := validatorAtHeight(latestHeight); val != nil { votingPower = val.VotingPower } result := &ctypes.ResultStatus{ NodeInfo: p2pSwitch.NodeInfo(), SyncInfo: ctypes.SyncInfo{ LatestBlockHash: latestBlockHash, LatestAppHash: latestAppHash, LatestBlockHeight: latestHeight, LatestBlockTime: latestBlockTime, CatchingUp: consensusReactor.FastSync(), }, ValidatorInfo: ctypes.ValidatorInfo{ Address: pubKey.Address(), PubKey: pubKey, VotingPower: votingPower, }, } return result, nil } func validatorAtHeight(h int64) *types.Validator { lastBlockHeight, vals := consensusState.GetValidators() privValAddress := pubKey.Address() // if we're still at height h, search in the current validator set if lastBlockHeight == h { for _, val := range vals { if bytes.Equal(val.Address, privValAddress) { return val } } } // if we've moved to the next height, retrieve the validator set from DB if lastBlockHeight > h { vals, err := sm.LoadValidators(stateDB, h) if err != nil { // should not happen return nil } _, val := vals.GetByAddress(privValAddress) return val } return nil }