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