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150 lines
4.4 KiB
150 lines
4.4 KiB
package core
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import (
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"errors"
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"github.com/tendermint/tendermint/internal/consensus"
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tmmath "github.com/tendermint/tendermint/libs/math"
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"github.com/tendermint/tendermint/rpc/coretypes"
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rpctypes "github.com/tendermint/tendermint/rpc/jsonrpc/types"
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"github.com/tendermint/tendermint/types"
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)
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// Validators gets the validator set at the given block height.
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//
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// If no height is provided, it will fetch the latest validator set. Note the
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// validators are sorted by their voting power - this is the canonical order
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// for the validators in the set as used in computing their Merkle root.
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//
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// More: https://docs.tendermint.com/master/rpc/#/Info/validators
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func (env *Environment) Validators(
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ctx *rpctypes.Context,
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heightPtr *int64,
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pagePtr, perPagePtr *int) (*coretypes.ResultValidators, error) {
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// The latest validator that we know is the NextValidator of the last block.
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height, err := env.getHeight(env.latestUncommittedHeight(), heightPtr)
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if err != nil {
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return nil, err
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}
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validators, err := env.StateStore.LoadValidators(height)
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if err != nil {
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return nil, err
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}
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totalCount := len(validators.Validators)
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perPage := env.validatePerPage(perPagePtr)
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page, err := validatePage(pagePtr, perPage, totalCount)
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if err != nil {
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return nil, err
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}
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skipCount := validateSkipCount(page, perPage)
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v := validators.Validators[skipCount : skipCount+tmmath.MinInt(perPage, totalCount-skipCount)]
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return &coretypes.ResultValidators{
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BlockHeight: height,
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Validators: v,
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Count: len(v),
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Total: totalCount}, nil
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}
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// DumpConsensusState dumps consensus state.
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// UNSTABLE
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// More: https://docs.tendermint.com/master/rpc/#/Info/dump_consensus_state
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func (env *Environment) DumpConsensusState(ctx *rpctypes.Context) (*coretypes.ResultDumpConsensusState, error) {
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// Get Peer consensus states.
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var peerStates []coretypes.PeerStateInfo
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switch {
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case env.P2PPeers != nil:
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peers := env.P2PPeers.Peers().List()
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peerStates = make([]coretypes.PeerStateInfo, 0, len(peers))
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for _, peer := range peers {
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peerState, ok := peer.Get(types.PeerStateKey).(*consensus.PeerState)
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if !ok { // peer does not have a state yet
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continue
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}
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peerStateJSON, err := peerState.ToJSON()
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if err != nil {
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return nil, err
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}
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peerStates = append(peerStates, coretypes.PeerStateInfo{
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// Peer basic info.
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NodeAddress: peer.SocketAddr().String(),
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// Peer consensus state.
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PeerState: peerStateJSON,
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})
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}
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case env.PeerManager != nil:
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peers := env.PeerManager.Peers()
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peerStates = make([]coretypes.PeerStateInfo, 0, len(peers))
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for _, pid := range peers {
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peerState, ok := env.ConsensusReactor.GetPeerState(pid)
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if !ok {
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continue
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}
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peerStateJSON, err := peerState.ToJSON()
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if err != nil {
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return nil, err
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}
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addr := env.PeerManager.Addresses(pid)
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if len(addr) >= 1 {
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peerStates = append(peerStates, coretypes.PeerStateInfo{
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// Peer basic info.
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NodeAddress: addr[0].String(),
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// Peer consensus state.
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PeerState: peerStateJSON,
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})
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}
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}
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default:
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return nil, errors.New("no peer system configured")
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}
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// Get self round state.
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roundState, err := env.ConsensusState.GetRoundStateJSON()
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if err != nil {
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return nil, err
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}
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return &coretypes.ResultDumpConsensusState{
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RoundState: roundState,
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Peers: peerStates}, nil
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}
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// ConsensusState returns a concise summary of the consensus state.
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// UNSTABLE
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// More: https://docs.tendermint.com/master/rpc/#/Info/consensus_state
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func (env *Environment) GetConsensusState(ctx *rpctypes.Context) (*coretypes.ResultConsensusState, error) {
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// Get self round state.
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bz, err := env.ConsensusState.GetRoundStateSimpleJSON()
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return &coretypes.ResultConsensusState{RoundState: bz}, err
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}
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// ConsensusParams gets the consensus parameters at the given block height.
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// If no height is provided, it will fetch the latest consensus params.
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// More: https://docs.tendermint.com/master/rpc/#/Info/consensus_params
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func (env *Environment) ConsensusParams(
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ctx *rpctypes.Context,
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heightPtr *int64) (*coretypes.ResultConsensusParams, error) {
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// The latest consensus params that we know is the consensus params after the
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// last block.
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height, err := env.getHeight(env.latestUncommittedHeight(), heightPtr)
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if err != nil {
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return nil, err
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}
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consensusParams, err := env.StateStore.LoadConsensusParams(height)
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if err != nil {
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return nil, err
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}
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return &coretypes.ResultConsensusParams{
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BlockHeight: height,
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ConsensusParams: consensusParams}, nil
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}
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