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90 lines
2.4 KiB
90 lines
2.4 KiB
package types
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import (
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"time"
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cmn "github.com/tendermint/tendermint/libs/common"
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tmtime "github.com/tendermint/tendermint/types/time"
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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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type CanonicalBlockID struct {
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Hash cmn.HexBytes
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PartsHeader CanonicalPartSetHeader
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}
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type CanonicalPartSetHeader struct {
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Hash cmn.HexBytes
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Total int
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}
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type CanonicalProposal struct {
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Type SignedMsgType // type alias for byte
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Height int64 `binary:"fixed64"`
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Round int64 `binary:"fixed64"`
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POLRound int64 `binary:"fixed64"`
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BlockID CanonicalBlockID
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Timestamp time.Time
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ChainID string
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}
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type CanonicalVote struct {
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Type SignedMsgType // type alias for byte
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Height int64 `binary:"fixed64"`
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Round int64 `binary:"fixed64"`
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Timestamp time.Time
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BlockID CanonicalBlockID
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ChainID string
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}
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//-----------------------------------
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// Canonicalize the structs
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func CanonicalizeBlockID(blockID BlockID) CanonicalBlockID {
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return CanonicalBlockID{
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Hash: blockID.Hash,
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PartsHeader: CanonicalizePartSetHeader(blockID.PartsHeader),
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}
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}
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func CanonicalizePartSetHeader(psh PartSetHeader) CanonicalPartSetHeader {
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return CanonicalPartSetHeader{
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psh.Hash,
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psh.Total,
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}
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}
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func CanonicalizeProposal(chainID string, proposal *Proposal) CanonicalProposal {
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return CanonicalProposal{
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Type: ProposalType,
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Height: proposal.Height,
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Round: int64(proposal.Round), // cast int->int64 to make amino encode it fixed64 (does not work for int)
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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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func CanonicalizeVote(chainID string, vote *Vote) CanonicalVote {
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return CanonicalVote{
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Type: vote.Type,
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Height: vote.Height,
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Round: int64(vote.Round), // cast int->int64 to make amino encode it fixed64 (does not work for int)
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Timestamp: vote.Timestamp,
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BlockID: CanonicalizeBlockID(vote.BlockID),
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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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