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105 lines
2.4 KiB
105 lines
2.4 KiB
package types
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import (
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"bytes"
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"fmt"
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"github.com/tendermint/tendermint/crypto"
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"github.com/tendermint/tendermint/crypto/ed25519"
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)
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// PrivValidator defines the functionality of a local Tendermint validator
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// that signs votes, proposals, and heartbeats, and never double signs.
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type PrivValidator interface {
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GetAddress() Address // redundant since .PubKey().Address()
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GetPubKey() crypto.PubKey
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SignVote(chainID string, vote *Vote) error
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SignProposal(chainID string, proposal *Proposal) error
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SignHeartbeat(chainID string, heartbeat *Heartbeat) error
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}
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//----------------------------------------
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// Misc.
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type PrivValidatorsByAddress []PrivValidator
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func (pvs PrivValidatorsByAddress) Len() int {
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return len(pvs)
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}
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func (pvs PrivValidatorsByAddress) Less(i, j int) bool {
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return bytes.Compare(pvs[i].GetAddress(), pvs[j].GetAddress()) == -1
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}
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func (pvs PrivValidatorsByAddress) Swap(i, j int) {
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it := pvs[i]
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pvs[i] = pvs[j]
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pvs[j] = it
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}
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//----------------------------------------
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// MockPV
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// MockPV implements PrivValidator without any safety or persistence.
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// Only use it for testing.
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type MockPV struct {
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privKey crypto.PrivKey
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}
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func NewMockPV() *MockPV {
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return &MockPV{ed25519.GenPrivKey()}
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}
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// Implements PrivValidator.
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func (pv *MockPV) GetAddress() Address {
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return pv.privKey.PubKey().Address()
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}
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// Implements PrivValidator.
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func (pv *MockPV) GetPubKey() crypto.PubKey {
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return pv.privKey.PubKey()
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}
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// Implements PrivValidator.
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func (pv *MockPV) SignVote(chainID string, vote *Vote) error {
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signBytes := vote.SignBytes(chainID)
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sig, err := pv.privKey.Sign(signBytes)
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if err != nil {
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return err
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}
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vote.Signature = sig
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return nil
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}
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// Implements PrivValidator.
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func (pv *MockPV) SignProposal(chainID string, proposal *Proposal) error {
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signBytes := proposal.SignBytes(chainID)
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sig, err := pv.privKey.Sign(signBytes)
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if err != nil {
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return err
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}
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proposal.Signature = sig
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return nil
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}
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// signHeartbeat signs the heartbeat without any checking.
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func (pv *MockPV) SignHeartbeat(chainID string, heartbeat *Heartbeat) error {
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sig, err := pv.privKey.Sign(heartbeat.SignBytes(chainID))
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if err != nil {
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return err
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}
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heartbeat.Signature = sig
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return nil
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}
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// String returns a string representation of the MockPV.
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func (pv *MockPV) String() string {
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return fmt.Sprintf("MockPV{%v}", pv.GetAddress())
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}
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// XXX: Implement.
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func (pv *MockPV) DisableChecks() {
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// Currently this does nothing,
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// as MockPV has no safety checks at all.
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}
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