package types import ( "time" tmproto "github.com/tendermint/tendermint/proto/tendermint/types" tmtime "github.com/tendermint/tendermint/types/time" ) // Canonical* wraps the structs in types for amino encoding them for use in SignBytes / the Signable interface. // TimeFormat is used for generating the sigs const TimeFormat = time.RFC3339Nano //----------------------------------- // Canonicalize the structs func CanonicalizeBlockID(bid tmproto.BlockID) *tmproto.CanonicalBlockID { rbid, err := BlockIDFromProto(&bid) if err != nil { panic(err) } var cbid *tmproto.CanonicalBlockID if rbid == nil || rbid.IsZero() { cbid = nil } else { cbid = &tmproto.CanonicalBlockID{ Hash: bid.Hash, PartSetHeader: CanonicalizePartSetHeader(bid.PartSetHeader), } } return cbid } // CanonicalizeVote transforms the given PartSetHeader to a CanonicalPartSetHeader. func CanonicalizePartSetHeader(psh tmproto.PartSetHeader) tmproto.CanonicalPartSetHeader { return tmproto.CanonicalPartSetHeader(psh) } // CanonicalizeVote transforms the given Proposal to a CanonicalProposal. func CanonicalizeProposal(chainID string, proposal *tmproto.Proposal) tmproto.CanonicalProposal { return tmproto.CanonicalProposal{ Type: tmproto.ProposalType, Height: proposal.Height, // encoded as sfixed64 Round: int64(proposal.Round), // encoded as sfixed64 POLRound: int64(proposal.PolRound), BlockID: CanonicalizeBlockID(proposal.BlockID), Timestamp: proposal.Timestamp, ChainID: chainID, } } // CanonicalizeVote transforms the given Vote to a CanonicalVote, which does // not contain ValidatorIndex and ValidatorAddress fields. func CanonicalizeVote(chainID string, vote *tmproto.Vote) tmproto.CanonicalVote { return tmproto.CanonicalVote{ Type: vote.Type, Height: vote.Height, // encoded as sfixed64 Round: int64(vote.Round), // encoded as sfixed64 BlockID: CanonicalizeBlockID(vote.BlockID), Timestamp: vote.Timestamp, ChainID: chainID, } } // CanonicalTime can be used to stringify time in a canonical way. func CanonicalTime(t time.Time) string { // Note that sending time over amino resets it to // local time, we need to force UTC here, so the // signatures match return tmtime.Canonical(t).Format(TimeFormat) }