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Add ConsensusHash to header

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This commit is contained in:
Ethan Frey 2017-12-14 10:28:04 +01:00 committed by Ethan Buchman
parent 56cada6a0c
commit d151e36ea8
7 changed files with 33 additions and 14 deletions
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1
blockchain/reactor_test.go
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@ -112,6 +112,7 @@ func makeBlock(height int64, state *sm.State) *types.Block {
block, _ := types.MakeBlock(height, "test_chain", makeTxs(height),
state.LastBlockTotalTx, new(types.Commit),
prevBlockID, valHash, state.AppHash,
state.Params.Hash(),
state.Params.BlockGossipParams.BlockPartSizeBytes)
return block
}

3
consensus/state.go
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@ -866,7 +866,8 @@ func (cs *ConsensusState) createProposalBlock() (block *types.Block, blockParts
return types.MakeBlock(cs.Height, cs.state.ChainID, txs,
cs.state.LastBlockTotalTx, commit,
cs.state.LastBlockID, cs.state.Validators.Hash(),
cs.state.AppHash, cs.state.Params.BlockPartSizeBytes)
cs.state.AppHash, cs.state.Params.Hash(),
cs.state.Params.BlockPartSizeBytes)
}
// Enter: `timeoutPropose` after entering Propose.

2
state/execution.go
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@ -187,7 +187,7 @@ func (s *State) ValidateBlock(block *types.Block) error {
func (s *State) validateBlock(block *types.Block) error {
// Basic block validation.
err := block.ValidateBasic(s.ChainID, s.LastBlockHeight,
s.LastBlockTotalTx, s.LastBlockID, s.LastBlockTime, s.AppHash)
s.LastBlockTotalTx, s.LastBlockID, s.LastBlockTime, s.AppHash, s.Params.Hash())
if err != nil {
return err
}

2
state/execution_test.go
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@ -120,7 +120,7 @@ func makeBlock(height int64, state *State) *types.Block {
block, _ := types.MakeBlock(height, chainID,
makeTxs(height), state.LastBlockTotalTx,
new(types.Commit), prevBlockID, valHash,
state.AppHash, testPartSize)
state.AppHash, state.Params.Hash(), testPartSize)
return block
}

5
state/state.go
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@ -269,8 +269,9 @@ func (s *State) SetBlockAndValidators(header *types.Header, blockPartsHeader typ
}
// applyChanges returns a new param set, overriding any
// parameter that is non-zero in argument
// applyChanges returns new ConsensusParams
// whose fields are set to any non-zero fields of c.
// If c is nil, it returns p unmodified, as it was passed in.
func applyChanges(p types.ConsensusParams,
c *abci.ConsensusParams) types.ConsensusParams {

16
types/block.go
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@ -25,7 +25,7 @@ type Block struct {
// TODO: Add version information to the Block struct.
func MakeBlock(height int64, chainID string, txs []Tx,
totalTxs int64, commit *Commit,
prevBlockID BlockID, valHash, appHash []byte,
prevBlockID BlockID, valHash, appHash, consensusHash []byte,
partSize int) (*Block, *PartSet) {
newTxs := int64(len(txs))
@ -39,6 +39,7 @@ func MakeBlock(height int64, chainID string, txs []Tx,
LastBlockID: prevBlockID,
ValidatorsHash: valHash,
AppHash: appHash, // state merkle root of txs from the previous block.
ConsensusHash: consensusHash,
},
LastCommit: commit,
Data: &Data{
@ -52,7 +53,7 @@ func MakeBlock(height int64, chainID string, txs []Tx,
// ValidateBasic performs basic validation that doesn't involve state data.
func (b *Block) ValidateBasic(chainID string, lastBlockHeight int64,
lastBlockTotalTx int64, lastBlockID BlockID,
lastBlockTime time.Time, appHash []byte) error {
lastBlockTime time.Time, appHash, consensusHash []byte) error {
if b.ChainID != chainID {
return errors.New(cmn.Fmt("Wrong Block.Header.ChainID. Expected %v, got %v", chainID, b.ChainID))
@ -91,6 +92,13 @@ func (b *Block) ValidateBasic(chainID string, lastBlockHeight int64,
if !bytes.Equal(b.AppHash, appHash) {
return errors.New(cmn.Fmt("Wrong Block.Header.AppHash. Expected %X, got %v", appHash, b.AppHash))
}
// TODO: make testing easier
if len(consensusHash) == 0 {
panic("food")
}
if !bytes.Equal(b.ConsensusHash, consensusHash) {
return errors.New(cmn.Fmt("Wrong Block.Header.ConsensusHash. Expected %X, got %v", consensusHash, b.ConsensusHash))
}
// NOTE: the AppHash and ValidatorsHash are validated later.
return nil
}
@ -178,6 +186,7 @@ type Header struct {
DataHash data.Bytes `json:"data_hash"` // transactions
ValidatorsHash data.Bytes `json:"validators_hash"` // validators for the current block
AppHash data.Bytes `json:"app_hash"` // state after txs from the previous block
ConsensusHash data.Bytes `json:"consensus_hash"` // consensus params for current block
}
// Hash returns the hash of the header.
@ -197,6 +206,7 @@ func (h *Header) Hash() data.Bytes {
"Data": h.DataHash,
"Validators": h.ValidatorsHash,
"App": h.AppHash,
"Consensus": h.ConsensusHash,
})
}
@ -216,6 +226,7 @@ func (h *Header) StringIndented(indent string) string {
%s Data: %v
%s Validators: %v
%s App: %v
%s Conensus: %v
%s}#%v`,
indent, h.ChainID,
indent, h.Height,
@ -227,6 +238,7 @@ func (h *Header) StringIndented(indent string) string {
indent, h.DataHash,
indent, h.ValidatorsHash,
indent, h.AppHash,
indent, h.ConsensusHash,
indent, h.Hash())
}

18
types/block_test.go
View File

@ -13,6 +13,7 @@ func TestValidateBlock(t *testing.T) {
lastID := makeBlockID()
valHash := []byte("val")
appHash := []byte("app")
consensusHash := []byte("consensus-params")
h := int64(3)
voteSet, _, vals := randVoteSet(h-1, 1, VoteTypePrecommit,
@ -21,33 +22,36 @@ func TestValidateBlock(t *testing.T) {
require.NoError(t, err)
block, _ := MakeBlock(h, "hello", txs, 10, commit,
lastID, valHash, appHash, 2)
lastID, valHash, appHash, consensusHash, 2)
require.NotNil(t, block)
// proper block must pass
err = block.ValidateBasic("hello", h-1, 10, lastID, block.Time, appHash)
err = block.ValidateBasic("hello", h-1, 10, lastID, block.Time, appHash, consensusHash)
require.NoError(t, err)
// wrong chain fails
err = block.ValidateBasic("other", h-1, 10, lastID, block.Time, appHash)
err = block.ValidateBasic("other", h-1, 10, lastID, block.Time, appHash, consensusHash)
require.Error(t, err)
// wrong height fails
err = block.ValidateBasic("hello", h+4, 10, lastID, block.Time, appHash)
err = block.ValidateBasic("hello", h+4, 10, lastID, block.Time, appHash, consensusHash)
require.Error(t, err)
// wrong total tx fails
err = block.ValidateBasic("hello", h-1, 15, lastID, block.Time, appHash)
err = block.ValidateBasic("hello", h-1, 15, lastID, block.Time, appHash, consensusHash)
require.Error(t, err)
// wrong blockid fails
err = block.ValidateBasic("hello", h-1, 10, makeBlockID(), block.Time, appHash)
err = block.ValidateBasic("hello", h-1, 10, makeBlockID(), block.Time, appHash, consensusHash)
require.Error(t, err)
// wrong app hash fails
err = block.ValidateBasic("hello", h-1, 10, lastID, block.Time, []byte("bad-hash"))
err = block.ValidateBasic("hello", h-1, 10, lastID, block.Time, []byte("bad-hash"), consensusHash)
require.Error(t, err)
// wrong consensus hash fails
err = block.ValidateBasic("hello", h-1, 10, lastID, block.Time, appHash, []byte("wrong-params"))
require.Error(t, err)
}
func makeBlockID() BlockID {