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types: dont use SimpleHashFromMap for header. closes #1841 (#2670)

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* types: dont use SimpleHashFromMap for header. closes #1841

* changelog and spec

* comments
This commit is contained in:
Ethan Buchman
2018-10-19 11:39:27 -04:00
committed by GitHub
parent 746d137f86
commit f536089f0b
3 changed files with 26 additions and 20 deletions
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42
types/block.go
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@@ -258,8 +258,10 @@ func MaxDataBytesUnknownEvidence(maxBytes int64, valsCount int) int64 {
//-----------------------------------------------------------------------------
// Header defines the structure of a Tendermint block header
// NOTE: changes to the Header should be duplicated in the abci Header
// and in /docs/spec/blockchain/blockchain.md
// NOTE: changes to the Header should be duplicated in:
// - header.Hash()
// - abci.Header
// - /docs/spec/blockchain/blockchain.md
type Header struct {
// basic block info
Version version.Consensus `json:"version"`
@@ -289,6 +291,8 @@ type Header struct {
}
// Hash returns the hash of the header.
// It computes a Merkle tree from the header fields
// ordered as they appear in the Header.
// Returns nil if ValidatorHash is missing,
// since a Header is not valid unless there is
// a ValidatorsHash (corresponding to the validator set).
@@ -296,23 +300,23 @@ func (h *Header) Hash() cmn.HexBytes {
if h == nil || len(h.ValidatorsHash) == 0 {
return nil
}
return merkle.SimpleHashFromMap(map[string][]byte{
"Version": cdcEncode(h.Version),
"ChainID": cdcEncode(h.ChainID),
"Height": cdcEncode(h.Height),
"Time": cdcEncode(h.Time),
"NumTxs": cdcEncode(h.NumTxs),
"TotalTxs": cdcEncode(h.TotalTxs),
"LastBlockID": cdcEncode(h.LastBlockID),
"LastCommitHash": cdcEncode(h.LastCommitHash),
"DataHash": cdcEncode(h.DataHash),
"ValidatorsHash": cdcEncode(h.ValidatorsHash),
"NextValidatorsHash": cdcEncode(h.NextValidatorsHash),
"AppHash": cdcEncode(h.AppHash),
"ConsensusHash": cdcEncode(h.ConsensusHash),
"LastResultsHash": cdcEncode(h.LastResultsHash),
"EvidenceHash": cdcEncode(h.EvidenceHash),
"ProposerAddress": cdcEncode(h.ProposerAddress),
return merkle.SimpleHashFromByteSlices([][]byte{
cdcEncode(h.Version),
cdcEncode(h.ChainID),
cdcEncode(h.Height),
cdcEncode(h.Time),
cdcEncode(h.NumTxs),
cdcEncode(h.TotalTxs),
cdcEncode(h.LastBlockID),
cdcEncode(h.LastCommitHash),
cdcEncode(h.DataHash),
cdcEncode(h.ValidatorsHash),
cdcEncode(h.NextValidatorsHash),
cdcEncode(h.ConsensusHash),
cdcEncode(h.AppHash),
cdcEncode(h.LastResultsHash),
cdcEncode(h.EvidenceHash),
cdcEncode(h.ProposerAddress),
})
}