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87 lines
2.7 KiB
87 lines
2.7 KiB
package grpc
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import (
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context "context"
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"google.golang.org/grpc/codes"
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"google.golang.org/grpc/status"
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"github.com/tendermint/tendermint/crypto"
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"github.com/tendermint/tendermint/crypto/encoding"
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"github.com/tendermint/tendermint/libs/log"
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privvalproto "github.com/tendermint/tendermint/proto/tendermint/privval"
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"github.com/tendermint/tendermint/types"
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)
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// SignerServer implements PrivValidatorAPIServer 9generated via protobuf services)
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// Handles remote validator connections that provide signing services
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type SignerServer struct {
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logger log.Logger
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chainID string
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privVal types.PrivValidator
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}
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func NewSignerServer(chainID string,
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privVal types.PrivValidator, log log.Logger) *SignerServer {
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return &SignerServer{
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logger: log,
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chainID: chainID,
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privVal: privVal,
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}
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}
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var _ privvalproto.PrivValidatorAPIServer = (*SignerServer)(nil)
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// PubKey receives a request for the pubkey
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// returns the pubkey on success and error on failure
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func (ss *SignerServer) GetPubKey(ctx context.Context, req *privvalproto.PubKeyRequest) (
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*privvalproto.PubKeyResponse, error) {
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var pubKey crypto.PubKey
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pubKey, err := ss.privVal.GetPubKey(ctx)
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if err != nil {
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return nil, status.Errorf(codes.NotFound, "error getting pubkey: %v", err)
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}
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pk, err := encoding.PubKeyToProto(pubKey)
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if err != nil {
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return nil, status.Errorf(codes.Internal, "error transitioning pubkey to proto: %v", err)
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}
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ss.logger.Info("SignerServer: GetPubKey Success")
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return &privvalproto.PubKeyResponse{PubKey: pk}, nil
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}
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// SignVote receives a vote sign requests, attempts to sign it
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// returns SignedVoteResponse on success and error on failure
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func (ss *SignerServer) SignVote(ctx context.Context, req *privvalproto.SignVoteRequest) (
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*privvalproto.SignedVoteResponse, error) {
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vote := req.Vote
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err := ss.privVal.SignVote(ctx, req.ChainId, vote)
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if err != nil {
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return nil, status.Errorf(codes.InvalidArgument, "error signing vote: %v", err)
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}
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ss.logger.Info("SignerServer: SignVote Success", "height", req.Vote.Height)
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return &privvalproto.SignedVoteResponse{Vote: *vote}, nil
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}
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// SignProposal receives a proposal sign requests, attempts to sign it
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// returns SignedProposalResponse on success and error on failure
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func (ss *SignerServer) SignProposal(ctx context.Context, req *privvalproto.SignProposalRequest) (
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*privvalproto.SignedProposalResponse, error) {
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proposal := req.Proposal
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err := ss.privVal.SignProposal(ctx, req.ChainId, proposal)
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if err != nil {
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return nil, status.Errorf(codes.InvalidArgument, "error signing proposal: %v", err)
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}
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ss.logger.Info("SignerServer: SignProposal Success", "height", req.Proposal.Height)
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return &privvalproto.SignedProposalResponse{Proposal: *proposal}, nil
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}
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