- package types
-
- import (
- "bytes"
- "errors"
- "fmt"
-
- "github.com/tendermint/tendermint/crypto"
- "github.com/tendermint/tendermint/crypto/ed25519"
- tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
- )
-
- // PrivValidator defines the functionality of a local Tendermint validator
- // that signs votes and proposals, and never double signs.
- type PrivValidator interface {
- GetPubKey() (crypto.PubKey, error)
-
- SignVote(chainID string, vote *tmproto.Vote) error
- SignProposal(chainID string, proposal *tmproto.Proposal) error
- }
-
- type PrivValidatorsByAddress []PrivValidator
-
- func (pvs PrivValidatorsByAddress) Len() int {
- return len(pvs)
- }
-
- func (pvs PrivValidatorsByAddress) Less(i, j int) bool {
- pvi, err := pvs[i].GetPubKey()
- if err != nil {
- panic(err)
- }
- pvj, err := pvs[j].GetPubKey()
- if err != nil {
- panic(err)
- }
-
- return bytes.Compare(pvi.Address(), pvj.Address()) == -1
- }
-
- func (pvs PrivValidatorsByAddress) Swap(i, j int) {
- it := pvs[i]
- pvs[i] = pvs[j]
- pvs[j] = it
- }
-
- //----------------------------------------
- // MockPV
-
- // MockPV implements PrivValidator without any safety or persistence.
- // Only use it for testing.
- type MockPV struct {
- PrivKey crypto.PrivKey
- breakProposalSigning bool
- breakVoteSigning bool
- }
-
- func NewMockPV() MockPV {
- return MockPV{ed25519.GenPrivKey(), false, false}
- }
-
- // NewMockPVWithParams allows one to create a MockPV instance, but with finer
- // grained control over the operation of the mock validator. This is useful for
- // mocking test failures.
- func NewMockPVWithParams(privKey crypto.PrivKey, breakProposalSigning, breakVoteSigning bool) MockPV {
- return MockPV{privKey, breakProposalSigning, breakVoteSigning}
- }
-
- // Implements PrivValidator.
- func (pv MockPV) GetPubKey() (crypto.PubKey, error) {
- return pv.PrivKey.PubKey(), nil
- }
-
- // Implements PrivValidator.
- func (pv MockPV) SignVote(chainID string, vote *tmproto.Vote) error {
- useChainID := chainID
- if pv.breakVoteSigning {
- useChainID = "incorrect-chain-id"
- }
-
- signBytes := VoteSignBytes(useChainID, vote)
- sig, err := pv.PrivKey.Sign(signBytes)
- if err != nil {
- return err
- }
- vote.Signature = sig
- return nil
- }
-
- // Implements PrivValidator.
- func (pv MockPV) SignProposal(chainID string, proposal *tmproto.Proposal) error {
- useChainID := chainID
- if pv.breakProposalSigning {
- useChainID = "incorrect-chain-id"
- }
-
- signBytes := ProposalSignBytes(useChainID, proposal)
- sig, err := pv.PrivKey.Sign(signBytes)
- if err != nil {
- return err
- }
- proposal.Signature = sig
- return nil
- }
-
- func (pv MockPV) ExtractIntoValidator(votingPower int64) *Validator {
- pubKey, _ := pv.GetPubKey()
- return &Validator{
- Address: pubKey.Address(),
- PubKey: pubKey,
- VotingPower: votingPower,
- }
- }
-
- // String returns a string representation of the MockPV.
- func (pv MockPV) String() string {
- mpv, _ := pv.GetPubKey() // mockPV will never return an error, ignored here
- return fmt.Sprintf("MockPV{%v}", mpv.Address())
- }
-
- // XXX: Implement.
- func (pv MockPV) DisableChecks() {
- // Currently this does nothing,
- // as MockPV has no safety checks at all.
- }
-
- type ErroringMockPV struct {
- MockPV
- }
-
- var ErroringMockPVErr = errors.New("erroringMockPV always returns an error")
-
- // Implements PrivValidator.
- func (pv *ErroringMockPV) SignVote(chainID string, vote *tmproto.Vote) error {
- return ErroringMockPVErr
- }
-
- // Implements PrivValidator.
- func (pv *ErroringMockPV) SignProposal(chainID string, proposal *tmproto.Proposal) error {
- return ErroringMockPVErr
- }
-
- // NewErroringMockPV returns a MockPV that fails on each signing request. Again, for testing only.
-
- func NewErroringMockPV() *ErroringMockPV {
- return &ErroringMockPV{MockPV{ed25519.GenPrivKey(), false, false}}
- }
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