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128 lines
3.2 KiB
128 lines
3.2 KiB
package core
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import (
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"bytes"
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"time"
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ctypes "github.com/tendermint/tendermint/rpc/core/types"
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sm "github.com/tendermint/tendermint/state"
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"github.com/tendermint/tendermint/types"
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cmn "github.com/tendermint/tmlibs/common"
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)
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// Get Tendermint status including node info, pubkey, latest block
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// hash, app hash, block height and time.
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//
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// ```shell
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// curl 'localhost:46657/status'
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// ```
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//
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// ```go
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// client := client.NewHTTP("tcp://0.0.0.0:46657", "/websocket")
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// result, err := client.Status()
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// ```
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//
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// > The above command returns JSON structured like this:
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//
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// ```json
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// {
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// "result": {
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// "sync_info": {
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// "syncing": false,
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// "latest_block_time": "2017-12-07T18:19:47.617Z",
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// "latest_block_height": 6,
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// "latest_app_hash": "",
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// "latest_block_hash": "A63D0C3307DEDCCFCC82ED411AE9108B70B29E02",
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// }
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// "validator_info": {
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// "pub_key": {
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// "data": "8C9A68070CBE33F9C445862BA1E9D96A75CEB68C0CF6ADD3652D07DCAC5D0380",
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// "type": "ed25519"
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// },
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// "voting_power": 10
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// }
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// "node_info": {
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// "other": [
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// "wire_version=0.7.2",
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// "p2p_version=0.5.0",
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// "consensus_version=v1/0.2.2",
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// "rpc_version=0.7.0/3",
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// "tx_index=on",
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// "rpc_addr=tcp://0.0.0.0:46657"
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// ],
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// "version": "0.13.0-14ccc8b",
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// "listen_addr": "10.0.2.15:46656",
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// "remote_addr": "",
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// "network": "test-chain-qhVCa2",
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// "moniker": "vagrant-ubuntu-trusty-64",
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// "pub_key": "844981FE99ABB19F7816F2D5E94E8A74276AB1153760A7799E925C75401856C6",
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// }
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// },
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// "id": "",
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// "jsonrpc": "2.0"
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// }
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// ```
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func Status() (*ctypes.ResultStatus, error) {
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latestHeight := blockStore.Height()
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var (
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latestBlockMeta *types.BlockMeta
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latestBlockHash cmn.HexBytes
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latestAppHash cmn.HexBytes
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latestBlockTimeNano int64
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)
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if latestHeight != 0 {
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latestBlockMeta = blockStore.LoadBlockMeta(latestHeight)
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latestBlockHash = latestBlockMeta.BlockID.Hash
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latestAppHash = latestBlockMeta.Header.AppHash
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latestBlockTimeNano = latestBlockMeta.Header.Time.UnixNano()
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}
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latestBlockTime := time.Unix(0, latestBlockTimeNano)
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result := &ctypes.ResultStatus{
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NodeInfo: p2pSwitch.NodeInfo(),
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SyncInfo: ctypes.SyncInfo{
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LatestBlockHash: latestBlockHash,
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LatestAppHash: latestAppHash,
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LatestBlockHeight: latestHeight,
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LatestBlockTime: latestBlockTime,
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Syncing: consensusReactor.FastSync(),
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},
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ValidatorInfo: ctypes.ValidatorInfo{PubKey: pubKey},
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}
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// add ValidatorStatus if node is a validator
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if val := validatorAtHeight(latestHeight); val != nil {
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result.ValidatorInfo.VotingPower = val.VotingPower
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}
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return result, nil
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}
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func validatorAtHeight(h int64) *types.Validator {
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lastBlockHeight, vals := consensusState.GetValidators()
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privValAddress := pubKey.Address()
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// if we're still at height h, search in the current validator set
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if lastBlockHeight == h {
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for _, val := range vals {
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if bytes.Equal(val.Address, privValAddress) {
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return val
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}
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}
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}
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// if we've moved to the next height, retrieve the validator set from DB
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if lastBlockHeight > h {
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vals, err := sm.LoadValidators(stateDB, h)
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if err != nil {
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// should not happen
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return nil
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}
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_, val := vals.GetByAddress(privValAddress)
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return val
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}
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return nil
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}
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