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tendermint/rpc/core/consensus.go

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package core
import (
cm "github.com/tendermint/tendermint/consensus"
ctypes "github.com/tendermint/tendermint/rpc/core/types"
rpctypes "github.com/tendermint/tendermint/rpc/lib/types"
sm "github.com/tendermint/tendermint/state"
"github.com/tendermint/tendermint/types"
)
// Get the validator set at the given block height.
// If no height is provided, it will fetch the current validator set.
// Note the validators are sorted by their address - this is the canonical
// order for the validators in the set as used in computing their Merkle root.
//
// ```shell
// curl 'localhost:26657/validators'
// ```
//
// ```go
// client := client.NewHTTP("tcp://0.0.0.0:26657", "/websocket")
// err := client.Start()
// if err != nil {
// // handle error
// }
// defer client.Stop()
// state, err := client.Validators()
// ```
//
// The above command returns JSON structured like this:
//
// ```json
// {
// "error": "",
// "result": {
// "validators": [
// {
// "proposer_priority": "0",
// "voting_power": "10",
// "pub_key": {
// "data": "68DFDA7E50F82946E7E8546BED37944A422CD1B831E70DF66BA3B8430593944D",
// "type": "ed25519"
// },
// "address": "E89A51D60F68385E09E716D353373B11F8FACD62"
// }
// ],
// "block_height": "5241"
// },
// "id": "",
// "jsonrpc": "2.0"
// }
// ```
func Validators(ctx *rpctypes.Context, heightPtr *int64) (*ctypes.ResultValidators, error) {
// The latest validator that we know is the
// NextValidator of the last block.
height := consensusState.GetState().LastBlockHeight + 1
height, err := getHeight(height, heightPtr)
if err != nil {
return nil, err
}
validators, err := sm.LoadValidators(stateDB, height)
if err != nil {
return nil, err
}
return &ctypes.ResultValidators{
BlockHeight: height,
Validators: validators.Validators}, nil
}
// DumpConsensusState dumps consensus state.
// UNSTABLE
//
// ```shell
// curl 'localhost:26657/dump_consensus_state'
// ```
//
// ```go
// client := client.NewHTTP("tcp://0.0.0.0:26657", "/websocket")
// err := client.Start()
// if err != nil {
// // handle error
// }
// defer client.Stop()
// state, err := client.DumpConsensusState()
// ```
//
// The above command returns JSON structured like this:
//
// ```json
// {
// "jsonrpc": "2.0",
// "id": "",
// "result": {
// "round_state": {
// "height": "7185",
// "round": "0",
// "step": "1",
// "start_time": "2018-05-12T13:57:28.440293621-07:00",
// "commit_time": "2018-05-12T13:57:27.440293621-07:00",
// "validators": {
// "validators": [
// {
// "address": "B5B3D40BE53982AD294EF99FF5A34C0C3E5A3244",
// "pub_key": {
// "type": "tendermint/PubKeyEd25519",
// "value": "SBctdhRBcXtBgdI/8a/alTsUhGXqGs9k5ylV1u5iKHg="
// },
// "voting_power": "10",
// "proposer_priority": "0"
// }
// ],
// "proposer": {
// "address": "B5B3D40BE53982AD294EF99FF5A34C0C3E5A3244",
// "pub_key": {
// "type": "tendermint/PubKeyEd25519",
// "value": "SBctdhRBcXtBgdI/8a/alTsUhGXqGs9k5ylV1u5iKHg="
// },
// "voting_power": "10",
// "proposer_priority": "0"
// }
// },
// "proposal": null,
// "proposal_block": null,
// "proposal_block_parts": null,
// "locked_round": "0",
// "locked_block": null,
// "locked_block_parts": null,
// "valid_round": "0",
// "valid_block": null,
// "valid_block_parts": null,
// "votes": [
// {
// "round": "0",
// "prevotes": "_",
// "precommits": "_"
// }
// ],
// "commit_round": "-1",
// "last_commit": {
// "votes": [
// "Vote{0:B5B3D40BE539 7184/00/2(Precommit) 14F946FA7EF0 /702B1B1A602A.../ @ 2018-05-12T20:57:27.342Z}"
// ],
// "votes_bit_array": "x",
// "peer_maj_23s": {}
// },
// "last_validators": {
// "validators": [
// {
// "address": "B5B3D40BE53982AD294EF99FF5A34C0C3E5A3244",
// "pub_key": {
// "type": "tendermint/PubKeyEd25519",
// "value": "SBctdhRBcXtBgdI/8a/alTsUhGXqGs9k5ylV1u5iKHg="
// },
// "voting_power": "10",
// "proposer_priority": "0"
// }
// ],
// "proposer": {
// "address": "B5B3D40BE53982AD294EF99FF5A34C0C3E5A3244",
// "pub_key": {
// "type": "tendermint/PubKeyEd25519",
// "value": "SBctdhRBcXtBgdI/8a/alTsUhGXqGs9k5ylV1u5iKHg="
// },
// "voting_power": "10",
// "proposer_priority": "0"
// }
// }
// },
// "peers": [
// {
// "node_address": "30ad1854af22506383c3f0e57fb3c7f90984c5e8@172.16.63.221:26656",
// "peer_state": {
// "round_state": {
// "height": "7185",
// "round": "0",
// "step": "1",
// "start_time": "2018-05-12T13:57:27.438039872-07:00",
// "proposal": false,
// "proposal_block_parts_header": {
// "total": "0",
// "hash": ""
// },
// "proposal_block_parts": null,
// "proposal_pol_round": "-1",
// "proposal_pol": "_",
// "prevotes": "_",
// "precommits": "_",
// "last_commit_round": "0",
// "last_commit": "x",
// "catchup_commit_round": "-1",
// "catchup_commit": "_"
// },
// "stats": {
// "last_vote_height": "7184",
// "votes": "255",
// "last_block_part_height": "7184",
// "block_parts": "255"
// }
// }
// }
// ]
// }
// }
// ```
func DumpConsensusState(ctx *rpctypes.Context) (*ctypes.ResultDumpConsensusState, error) {
// Get Peer consensus states.
peers := p2pPeers.Peers().List()
peerStates := make([]ctypes.PeerStateInfo, len(peers))
for i, peer := range peers {
peerState, ok := peer.Get(types.PeerStateKey).(*cm.PeerState)
if !ok { // peer does not have a state yet
continue
}
peerStateJSON, err := peerState.ToJSON()
if err != nil {
return nil, err
}
peerStates[i] = ctypes.PeerStateInfo{
// Peer basic info.
NodeAddress: peer.SocketAddr().String(),
// Peer consensus state.
PeerState: peerStateJSON,
}
}
// Get self round state.
roundState, err := consensusState.GetRoundStateJSON()
if err != nil {
return nil, err
}
return &ctypes.ResultDumpConsensusState{
RoundState: roundState,
Peers: peerStates}, nil
}
// ConsensusState returns a concise summary of the consensus state.
// UNSTABLE
//
// ```shell
// curl 'localhost:26657/consensus_state'
// ```
//
// ```go
// client := client.NewHTTP("tcp://0.0.0.0:26657", "/websocket")
// err := client.Start()
// if err != nil {
// // handle error
// }
// defer client.Stop()
// state, err := client.ConsensusState()
// ```
//
// The above command returns JSON structured like this:
//
// ```json
//{
// "jsonrpc": "2.0",
// "id": "",
// "result": {
// "round_state": {
// "height/round/step": "9336/0/1",
// "start_time": "2018-05-14T10:25:45.72595357-04:00",
// "proposal_block_hash": "",
// "locked_block_hash": "",
// "valid_block_hash": "",
// "height_vote_set": [
// {
// "round": "0",
// "prevotes": [
// "nil-Vote"
// ],
// "prevotes_bit_array": "BA{1:_} 0/10 = 0.00",
// "precommits": [
// "nil-Vote"
// ],
// "precommits_bit_array": "BA{1:_} 0/10 = 0.00"
// }
// ]
// }
// }
//}
//```
func ConsensusState(ctx *rpctypes.Context) (*ctypes.ResultConsensusState, error) {
// Get self round state.
bz, err := consensusState.GetRoundStateSimpleJSON()
return &ctypes.ResultConsensusState{RoundState: bz}, err
}
// Get the consensus parameters at the given block height.
// If no height is provided, it will fetch the current consensus params.
//
// ```shell
// curl 'localhost:26657/consensus_params'
// ```
//
// ```go
// client := client.NewHTTP("tcp://0.0.0.0:26657", "/websocket")
// err := client.Start()
// if err != nil {
// // handle error
// }
// defer client.Stop()
// state, err := client.ConsensusParams()
// ```
//
// The above command returns JSON structured like this:
//
// ```json
// {
// "jsonrpc": "2.0",
// "id": "",
// "result": {
// "block_height": "1",
// "consensus_params": {
// "block_size_params": {
// "max_txs_bytes": "22020096",
// "max_gas": "-1"
// },
// "evidence_params": {
// "max_age": "100000"
// }
// }
// }
// }
// ```
func ConsensusParams(ctx *rpctypes.Context, heightPtr *int64) (*ctypes.ResultConsensusParams, error) {
height := consensusState.GetState().LastBlockHeight + 1
height, err := getHeight(height, heightPtr)
if err != nil {
return nil, err
}
consensusparams, err := sm.LoadConsensusParams(stateDB, height)
if err != nil {
return nil, err
}
return &ctypes.ResultConsensusParams{
BlockHeight: height,
ConsensusParams: consensusparams}, nil
}