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221 lines
5.7 KiB
221 lines
5.7 KiB
package types
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import (
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"bytes"
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"fmt"
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"reflect"
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"time"
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abci "github.com/tendermint/abci/types"
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crypto "github.com/tendermint/go-crypto"
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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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ABCIEvidenceTypeMockGood = "mock/good"
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)
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const (
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ABCIPubKeyTypeEd25519 = "ed25519"
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ABCIPubKeyTypeSecp256k1 = "secp256k1"
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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) abci.Header {
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return abci.Header{
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ChainID: header.ChainID,
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Height: header.Height,
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Time: header.Time.Unix(),
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NumTxs: int32(header.NumTxs), // XXX: overflow
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TotalTxs: header.TotalTxs,
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LastBlockHash: header.LastBlockID.Hash,
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ValidatorsHash: header.ValidatorsHash,
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AppHash: header.AppHash,
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// Proposer: TODO
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}
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}
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// XXX: panics on unknown pubkey type
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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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PubKey: TM2PB.PubKey(val.PubKey),
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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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// TODO: add cases when new pubkey types are added to go-crypto
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func (tm2pb) PubKey(pubKey crypto.PubKey) abci.PubKey {
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switch pk := pubKey.(type) {
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case crypto.PubKeyEd25519:
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return abci.PubKey{
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Type: ABCIPubKeyTypeEd25519,
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Data: pk[:],
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}
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case crypto.PubKeySecp256k1:
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return abci.PubKey{
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Type: ABCIPubKeyTypeSecp256k1,
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Data: pk[:],
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}
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default:
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panic(fmt.Sprintf("unknown pubkey type: %v %v", pubKey, reflect.TypeOf(pubKey)))
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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) Validators(vals *ValidatorSet) []abci.Validator {
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validators := make([]abci.Validator, len(vals.Validators))
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for i, val := range vals.Validators {
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validators[i] = TM2PB.Validator(val)
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}
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return validators
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}
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func (tm2pb) ConsensusParams(params *ConsensusParams) *abci.ConsensusParams {
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return &abci.ConsensusParams{
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BlockSize: &abci.BlockSize{
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MaxBytes: int32(params.BlockSize.MaxBytes),
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MaxTxs: int32(params.BlockSize.MaxTxs),
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MaxGas: params.BlockSize.MaxGas,
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},
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TxSize: &abci.TxSize{
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MaxBytes: int32(params.TxSize.MaxBytes),
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MaxGas: params.TxSize.MaxGas,
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},
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BlockGossip: &abci.BlockGossip{
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BlockPartSizeBytes: int32(params.BlockGossip.BlockPartSizeBytes),
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},
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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, evTime time.Time) abci.Evidence {
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_, val := valSet.GetByAddress(ev.Address())
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if val == nil {
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// should already have checked this
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panic(val)
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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 MockGoodEvidence:
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// XXX: not great to have test types in production paths ...
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evType = ABCIEvidenceTypeMockGood
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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: evTime.Unix(),
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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) ValidatorFromPubKeyAndPower(pubkey crypto.PubKey, power int64) abci.Validator {
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pubkeyABCI := TM2PB.PubKey(pubkey)
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return abci.Validator{
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Address: pubkey.Address(),
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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) PubKey(pubKey abci.PubKey) (crypto.PubKey, error) {
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// TODO: define these in go-crypto and use them
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sizeEd := 32
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sizeSecp := 33
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switch pubKey.Type {
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case ABCIPubKeyTypeEd25519:
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if len(pubKey.Data) != sizeEd {
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return nil, fmt.Errorf("Invalid size for PubKeyEd25519. Got %d, expected %d", len(pubKey.Data), sizeEd)
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}
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var pk crypto.PubKeyEd25519
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copy(pk[:], pubKey.Data)
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return pk, nil
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case ABCIPubKeyTypeSecp256k1:
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if len(pubKey.Data) != sizeSecp {
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return nil, fmt.Errorf("Invalid size for PubKeyEd25519. Got %d, expected %d", len(pubKey.Data), sizeSecp)
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}
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var pk crypto.PubKeySecp256k1
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copy(pk[:], pubKey.Data)
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return pk, nil
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default:
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return nil, fmt.Errorf("Unknown pubkey type %v", pubKey.Type)
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}
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}
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func (pb2tm) Validators(vals []abci.Validator) ([]*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 := PB2TM.PubKey(v.PubKey)
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if err != nil {
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return nil, err
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}
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// If the app provided an address too, it must match.
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// This is just a sanity check.
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if len(v.Address) > 0 {
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if !bytes.Equal(pub.Address(), v.Address) {
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return nil, fmt.Errorf("Validator.Address (%X) does not match PubKey.Address (%X)",
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v.Address, pub.Address())
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}
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}
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tmVals[i] = &Validator{
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Address: pub.Address(),
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PubKey: pub,
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VotingPower: v.Power,
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}
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}
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return tmVals, nil
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}
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func (pb2tm) ConsensusParams(csp *abci.ConsensusParams) ConsensusParams {
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return ConsensusParams{
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BlockSize: BlockSize{
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MaxBytes: int(csp.BlockSize.MaxBytes), // XXX
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MaxTxs: int(csp.BlockSize.MaxTxs), // XXX
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MaxGas: csp.BlockSize.MaxGas,
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},
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TxSize: TxSize{
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MaxBytes: int(csp.TxSize.MaxBytes), // XXX
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MaxGas: csp.TxSize.MaxGas,
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},
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BlockGossip: BlockGossip{
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BlockPartSizeBytes: int(csp.BlockGossip.BlockPartSizeBytes), // XXX
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},
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// TODO: EvidenceParams: EvidenceParams{
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// MaxAge: int(csp.Evidence.MaxAge), // XXX
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// },
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}
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}
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