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