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package types
import (
"context"
"fmt"
"time"
tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
)
func MakeCommit(blockID BlockID, height int64, round int32,
voteSet *VoteSet, validators []PrivValidator, now time.Time) (*Commit, error) {
// all sign
for i := 0; i < len(validators); i++ {
pubKey, err := validators[i].GetPubKey(context.Background())
if err != nil {
return nil, fmt.Errorf("can't get pubkey: %w", err)
}
vote := &Vote{
ValidatorAddress: pubKey.Address(),
ValidatorIndex: int32(i),
Height: height,
Round: round,
Type: tmproto.PrecommitType,
BlockID: blockID,
Timestamp: now,
}
_, err = signAddVote(validators[i], vote, voteSet)
if err != nil {
return nil, err
}
}
return voteSet.MakeCommit(), nil
}
func signAddVote(privVal PrivValidator, vote *Vote, voteSet *VoteSet) (signed bool, err error) {
v := vote.ToProto()
err = privVal.SignVote(context.Background(), voteSet.ChainID(), v)
if err != nil {
return false, err
}
vote.Signature = v.Signature
return voteSet.AddVote(vote)
}
func MakeVote(
height int64,
blockID BlockID,
valSet *ValidatorSet,
privVal PrivValidator,
chainID string,
now time.Time,
) (*Vote, error) {
pubKey, err := privVal.GetPubKey(context.Background())
if err != nil {
return nil, fmt.Errorf("can't get pubkey: %w", err)
}
addr := pubKey.Address()
idx, _ := valSet.GetByAddress(addr)
vote := &Vote{
ValidatorAddress: addr,
ValidatorIndex: idx,
Height: height,
Round: 0,
Timestamp: now,
Type: tmproto.PrecommitType,
BlockID: blockID,
}
v := vote.ToProto()
if err := privVal.SignVote(context.Background(), chainID, v); err != nil {
return nil, err
}
vote.Signature = v.Signature
return vote, nil
}