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180 lines
4.6 KiB
180 lines
4.6 KiB
package types
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import (
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"fmt"
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"reflect"
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abci "github.com/tendermint/tendermint/abci/types"
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"github.com/tendermint/tendermint/crypto"
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"github.com/tendermint/tendermint/crypto/ed25519"
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cryptoenc "github.com/tendermint/tendermint/crypto/encoding"
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tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
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)
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//-------------------------------------------------------
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// Use strings to distinguish types in ABCI messages
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const (
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ABCIEvidenceTypeDuplicateVote = "duplicate/vote"
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ABCIEvidenceTypeLunatic = "lunatic"
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ABCIEvidenceTypeAmnesia = "amnesia"
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)
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const (
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ABCIPubKeyTypeEd25519 = "ed25519"
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)
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// TODO: Make non-global by allowing for registration of more pubkey types
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var ABCIPubKeyTypesToNames = map[string]string{
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ABCIPubKeyTypeEd25519: ed25519.PubKeyName,
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}
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//-------------------------------------------------------
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// TM2PB is used for converting Tendermint ABCI to protobuf ABCI.
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// UNSTABLE
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var TM2PB = tm2pb{}
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type tm2pb struct{}
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func (tm2pb) Header(header *Header) tmproto.Header {
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return tmproto.Header{
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Version: header.Version,
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ChainID: header.ChainID,
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Height: header.Height,
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Time: header.Time,
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LastBlockId: header.LastBlockID.ToProto(),
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LastCommitHash: header.LastCommitHash,
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DataHash: header.DataHash,
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ValidatorsHash: header.ValidatorsHash,
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NextValidatorsHash: header.NextValidatorsHash,
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ConsensusHash: header.ConsensusHash,
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AppHash: header.AppHash,
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LastResultsHash: header.LastResultsHash,
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EvidenceHash: header.EvidenceHash,
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ProposerAddress: header.ProposerAddress,
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}
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}
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func (tm2pb) Validator(val *Validator) abci.Validator {
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return abci.Validator{
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Address: val.PubKey.Address(),
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Power: val.VotingPower,
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}
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}
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func (tm2pb) BlockID(blockID BlockID) tmproto.BlockID {
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return tmproto.BlockID{
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Hash: blockID.Hash,
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PartSetHeader: TM2PB.PartSetHeader(blockID.PartSetHeader),
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}
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}
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func (tm2pb) PartSetHeader(header PartSetHeader) tmproto.PartSetHeader {
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return tmproto.PartSetHeader{
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Total: header.Total,
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Hash: header.Hash,
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}
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}
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// XXX: panics on unknown pubkey type
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func (tm2pb) ValidatorUpdate(val *Validator) abci.ValidatorUpdate {
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pk, err := cryptoenc.PubKeyToProto(val.PubKey)
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if err != nil {
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panic(err)
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}
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return abci.ValidatorUpdate{
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PubKey: pk,
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Power: val.VotingPower,
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}
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}
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// XXX: panics on nil or unknown pubkey type
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func (tm2pb) ValidatorUpdates(vals *ValidatorSet) []abci.ValidatorUpdate {
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validators := make([]abci.ValidatorUpdate, vals.Size())
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for i, val := range vals.Validators {
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validators[i] = TM2PB.ValidatorUpdate(val)
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}
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return validators
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}
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func (tm2pb) ConsensusParams(params *tmproto.ConsensusParams) *abci.ConsensusParams {
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return &abci.ConsensusParams{
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Block: &abci.BlockParams{
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MaxBytes: params.Block.MaxBytes,
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MaxGas: params.Block.MaxGas,
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},
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Evidence: ¶ms.Evidence,
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Validator: ¶ms.Validator,
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}
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}
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// ABCI Evidence includes information from the past that's not included in the evidence itself
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// so Evidence types stays compact.
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// XXX: panics on nil or unknown pubkey type
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func (tm2pb) Evidence(ev Evidence, valSet *ValidatorSet) abci.Evidence {
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addr := ev.Address()
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_, val := valSet.GetByAddress(addr)
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if val == nil {
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// should already have checked this
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panic(fmt.Sprintf("validator in evidence is not in val set, val addr: %v", addr))
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}
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// set type
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var evType string
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switch ev.(type) {
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case *DuplicateVoteEvidence:
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evType = ABCIEvidenceTypeDuplicateVote
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case *LunaticValidatorEvidence:
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evType = ABCIEvidenceTypeLunatic
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case *AmnesiaEvidence:
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evType = ABCIEvidenceTypeAmnesia
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default:
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panic(fmt.Sprintf("unknown evidence type: %v %v", ev, reflect.TypeOf(ev)))
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}
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return abci.Evidence{
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Type: evType,
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Validator: TM2PB.Validator(val),
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Height: ev.Height(),
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Time: ev.Time(),
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TotalVotingPower: valSet.TotalVotingPower(),
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}
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}
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// XXX: panics on nil or unknown pubkey type
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func (tm2pb) NewValidatorUpdate(pubkey crypto.PubKey, power int64) abci.ValidatorUpdate {
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pubkeyABCI, err := cryptoenc.PubKeyToProto(pubkey)
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if err != nil {
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panic(err)
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}
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return abci.ValidatorUpdate{
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PubKey: pubkeyABCI,
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Power: power,
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}
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}
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//----------------------------------------------------------------------------
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// PB2TM is used for converting protobuf ABCI to Tendermint ABCI.
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// UNSTABLE
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var PB2TM = pb2tm{}
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type pb2tm struct{}
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func (pb2tm) ValidatorUpdates(vals []abci.ValidatorUpdate) ([]*Validator, error) {
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tmVals := make([]*Validator, len(vals))
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for i, v := range vals {
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pub, err := cryptoenc.PubKeyFromProto(v.PubKey)
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if err != nil {
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return nil, err
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}
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tmVals[i] = NewValidator(pub, v.Power)
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}
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return tmVals, nil
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}
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