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136 lines
3.5 KiB
136 lines
3.5 KiB
package core
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import (
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"bytes"
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"time"
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cmn "github.com/tendermint/tendermint/libs/common"
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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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)
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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:26657/status'
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// ```
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//
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// ```go
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// client := client.NewHTTP("tcp://0.0.0.0:26657", "/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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// "jsonrpc": "2.0",
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// "id": "",
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// "result": {
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// "node_info": {
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// "id": "53729852020041b956e86685e24394e0bee4373f",
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// "listen_addr": "10.0.2.15:26656",
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// "network": "test-chain-Y1OHx6",
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// "version": "0.24.0-2ce1abc2",
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// "channels": "4020212223303800",
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// "moniker": "ubuntu-xenial",
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// "other": {
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// "amino_version": "0.12.0",
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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://0.0.0.0:26657"
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// }
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// },
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// "sync_info": {
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// "latest_block_hash": "F51538DA498299F4C57AC8162AAFA0254CE08286",
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// "latest_app_hash": "0000000000000000",
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// "latest_block_height": "18",
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// "latest_block_time": "2018-09-17T11:42:19.149920551Z",
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// "catching_up": false
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// },
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// "validator_info": {
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// "address": "D9F56456D7C5793815D0E9AF07C3A355D0FC64FD",
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// "pub_key": {
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// "type": "tendermint/PubKeyEd25519",
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// "value": "wVxKNtEsJmR4vvh651LrVoRguPs+6yJJ9Bz174gw9DM="
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// },
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// "voting_power": "10"
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// }
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// }
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// }
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// ```
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func Status() (*ctypes.ResultStatus, error) {
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var latestHeight int64 = -1
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if consensusReactor.FastSync() {
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latestHeight = blockStore.Height()
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} else {
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latestHeight = consensusState.GetLastHeight()
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}
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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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var votingPower int64
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if val := validatorAtHeight(latestHeight); val != nil {
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votingPower = val.VotingPower
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}
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result := &ctypes.ResultStatus{
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NodeInfo: p2pTransport.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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CatchingUp: consensusReactor.FastSync(),
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},
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ValidatorInfo: ctypes.ValidatorInfo{
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Address: pubKey.Address(),
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PubKey: pubKey,
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VotingPower: votingPower,
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},
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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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privValAddress := pubKey.Address()
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// If we're still at height h, search in the current validator set.
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lastBlockHeight, vals := consensusState.GetValidators()
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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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return nil // should not happen
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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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