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@ -15,9 +15,9 @@ import ( |
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const MaxBlockSize = 22020096 // 21MB TODO make it configurable
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const MaxBlockSize = 22020096 // 21MB TODO make it configurable
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type Block struct { |
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type Block struct { |
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*Header `json:"header"` |
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*Data `json:"data"` |
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LastValidation *Validation `json:"last_validation"` |
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*Header `json:"header"` |
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*Data `json:"data"` |
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LastCommit *Commit `json:"last_commit"` |
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} |
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} |
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// Basic validation that doesn't involve state data.
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// Basic validation that doesn't involve state data.
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@ -46,11 +46,11 @@ func (b *Block) ValidateBasic(chainID string, lastBlockHeight int, lastBlockHash |
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if !b.LastBlockParts.Equals(lastBlockParts) { |
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if !b.LastBlockParts.Equals(lastBlockParts) { |
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return errors.New(Fmt("Wrong Block.Header.LastBlockParts. Expected %v, got %v", lastBlockParts, b.LastBlockParts)) |
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return errors.New(Fmt("Wrong Block.Header.LastBlockParts. Expected %v, got %v", lastBlockParts, b.LastBlockParts)) |
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} |
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} |
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if !bytes.Equal(b.LastValidationHash, b.LastValidation.Hash()) { |
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return errors.New(Fmt("Wrong Block.Header.LastValidationHash. Expected %X, got %X", b.LastValidationHash, b.LastValidation.Hash())) |
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if !bytes.Equal(b.LastCommitHash, b.LastCommit.Hash()) { |
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return errors.New(Fmt("Wrong Block.Header.LastCommitHash. Expected %X, got %X", b.LastCommitHash, b.LastCommit.Hash())) |
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} |
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} |
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if b.Header.Height != 1 { |
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if b.Header.Height != 1 { |
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if err := b.LastValidation.ValidateBasic(); err != nil { |
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if err := b.LastCommit.ValidateBasic(); err != nil { |
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return err |
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return err |
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} |
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} |
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} |
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} |
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@ -65,8 +65,8 @@ func (b *Block) ValidateBasic(chainID string, lastBlockHeight int, lastBlockHash |
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} |
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} |
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func (b *Block) FillHeader() { |
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func (b *Block) FillHeader() { |
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if b.LastValidationHash == nil { |
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b.LastValidationHash = b.LastValidation.Hash() |
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if b.LastCommitHash == nil { |
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b.LastCommitHash = b.LastCommit.Hash() |
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} |
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} |
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if b.DataHash == nil { |
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if b.DataHash == nil { |
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b.DataHash = b.Data.Hash() |
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b.DataHash = b.Data.Hash() |
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@ -76,7 +76,7 @@ func (b *Block) FillHeader() { |
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// Computes and returns the block hash.
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// Computes and returns the block hash.
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// If the block is incomplete, block hash is nil for safety.
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// If the block is incomplete, block hash is nil for safety.
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func (b *Block) Hash() []byte { |
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func (b *Block) Hash() []byte { |
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if b.Header == nil || b.Data == nil || b.LastValidation == nil { |
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if b.Header == nil || b.Data == nil || b.LastCommit == nil { |
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return nil |
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return nil |
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} |
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} |
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b.FillHeader() |
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b.FillHeader() |
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@ -115,7 +115,7 @@ func (b *Block) StringIndented(indent string) string { |
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%s}#%X`, |
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%s}#%X`, |
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indent, b.Header.StringIndented(indent+" "), |
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indent, b.Header.StringIndented(indent+" "), |
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indent, b.Data.StringIndented(indent+" "), |
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indent, b.Data.StringIndented(indent+" "), |
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indent, b.LastValidation.StringIndented(indent+" "), |
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indent, b.LastCommit.StringIndented(indent+" "), |
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indent, b.Hash()) |
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indent, b.Hash()) |
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} |
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} |
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@ -130,17 +130,17 @@ func (b *Block) StringShort() string { |
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//-----------------------------------------------------------------------------
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//-----------------------------------------------------------------------------
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type Header struct { |
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type Header struct { |
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ChainID string `json:"chain_id"` |
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Height int `json:"height"` |
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Time time.Time `json:"time"` |
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Fees int64 `json:"fees"` |
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NumTxs int `json:"num_txs"` |
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LastBlockHash []byte `json:"last_block_hash"` |
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LastBlockParts PartSetHeader `json:"last_block_parts"` |
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LastValidationHash []byte `json:"last_validation_hash"` |
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DataHash []byte `json:"data_hash"` |
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ValidatorsHash []byte `json:"validators_hash"` |
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AppHash []byte `json:"app_hash"` // state merkle root of txs from the previous block
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ChainID string `json:"chain_id"` |
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Height int `json:"height"` |
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Time time.Time `json:"time"` |
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Fees int64 `json:"fees"` |
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NumTxs int `json:"num_txs"` |
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LastBlockHash []byte `json:"last_block_hash"` |
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LastBlockParts PartSetHeader `json:"last_block_parts"` |
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LastCommitHash []byte `json:"last_commit_hash"` |
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DataHash []byte `json:"data_hash"` |
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ValidatorsHash []byte `json:"validators_hash"` |
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AppHash []byte `json:"app_hash"` // state merkle root of txs from the previous block
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} |
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} |
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// NOTE: hash is nil if required fields are missing.
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// NOTE: hash is nil if required fields are missing.
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@ -156,7 +156,7 @@ func (h *Header) Hash() []byte { |
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"NumTxs": h.NumTxs, |
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"NumTxs": h.NumTxs, |
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"LastBlock": h.LastBlockHash, |
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"LastBlock": h.LastBlockHash, |
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"LastBlockParts": h.LastBlockParts, |
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"LastBlockParts": h.LastBlockParts, |
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"LastValidation": h.LastValidationHash, |
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"LastCommit": h.LastCommitHash, |
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"Data": h.DataHash, |
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"Data": h.DataHash, |
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"Validators": h.ValidatorsHash, |
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"Validators": h.ValidatorsHash, |
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"App": h.AppHash, |
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"App": h.AppHash, |
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@ -172,10 +172,10 @@ func (h *Header) StringIndented(indent string) string { |
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%s Height: %v |
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%s Height: %v |
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%s Time: %v |
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%s Time: %v |
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%s Fees: %v |
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%s Fees: %v |
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%s NumTxs: %v |
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%s NumTxs: %v |
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%s LastBlock: %X |
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%s LastBlock: %X |
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%s LastBlockParts: %v |
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%s LastBlockParts: %v |
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%s LastValidation: %X |
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%s LastCommit: %X |
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%s Data: %X |
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%s Data: %X |
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%s Validators: %X |
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%s Validators: %X |
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%s App: %X |
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%s App: %X |
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@ -187,7 +187,7 @@ func (h *Header) StringIndented(indent string) string { |
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indent, h.NumTxs, |
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indent, h.NumTxs, |
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indent, h.LastBlockHash, |
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indent, h.LastBlockHash, |
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indent, h.LastBlockParts, |
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indent, h.LastBlockParts, |
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indent, h.LastValidationHash, |
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indent, h.LastCommitHash, |
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indent, h.DataHash, |
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indent, h.DataHash, |
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indent, h.ValidatorsHash, |
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indent, h.ValidatorsHash, |
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indent, h.AppHash, |
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indent, h.AppHash, |
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@ -196,8 +196,8 @@ func (h *Header) StringIndented(indent string) string { |
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//-------------------------------------
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//-------------------------------------
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// NOTE: Validation is empty for height 1, but never nil.
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type Validation struct { |
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// NOTE: Commit is empty for height 1, but never nil.
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type Commit struct { |
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// NOTE: The Precommits are in order of address to preserve the bonded ValidatorSet order.
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// NOTE: The Precommits are in order of address to preserve the bonded ValidatorSet order.
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// Any peer with a block can gossip precommits by index with a peer without recalculating the
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// Any peer with a block can gossip precommits by index with a peer without recalculating the
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// active ValidatorSet.
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// active ValidatorSet.
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@ -209,121 +209,121 @@ type Validation struct { |
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bitArray *BitArray |
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bitArray *BitArray |
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} |
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} |
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func (v *Validation) FirstPrecommit() *Vote { |
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if len(v.Precommits) == 0 { |
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func (commit *Commit) FirstPrecommit() *Vote { |
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if len(commit.Precommits) == 0 { |
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return nil |
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return nil |
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} |
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} |
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if v.firstPrecommit != nil { |
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return v.firstPrecommit |
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if commit.firstPrecommit != nil { |
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return commit.firstPrecommit |
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} |
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} |
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for _, precommit := range v.Precommits { |
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for _, precommit := range commit.Precommits { |
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if precommit != nil { |
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if precommit != nil { |
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v.firstPrecommit = precommit |
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commit.firstPrecommit = precommit |
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return precommit |
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return precommit |
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} |
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} |
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} |
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} |
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return nil |
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return nil |
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} |
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} |
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func (v *Validation) Height() int { |
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if len(v.Precommits) == 0 { |
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func (commit *Commit) Height() int { |
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if len(commit.Precommits) == 0 { |
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return 0 |
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return 0 |
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} |
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} |
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return v.FirstPrecommit().Height |
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return commit.FirstPrecommit().Height |
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} |
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} |
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func (v *Validation) Round() int { |
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if len(v.Precommits) == 0 { |
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func (commit *Commit) Round() int { |
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if len(commit.Precommits) == 0 { |
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return 0 |
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return 0 |
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} |
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} |
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return v.FirstPrecommit().Round |
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return commit.FirstPrecommit().Round |
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} |
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} |
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func (v *Validation) Type() byte { |
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func (commit *Commit) Type() byte { |
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return VoteTypePrecommit |
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return VoteTypePrecommit |
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} |
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} |
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func (v *Validation) Size() int { |
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if v == nil { |
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func (commit *Commit) Size() int { |
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if commit == nil { |
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return 0 |
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return 0 |
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} |
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} |
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return len(v.Precommits) |
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return len(commit.Precommits) |
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} |
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} |
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func (v *Validation) BitArray() *BitArray { |
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if v.bitArray == nil { |
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v.bitArray = NewBitArray(len(v.Precommits)) |
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for i, precommit := range v.Precommits { |
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v.bitArray.SetIndex(i, precommit != nil) |
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func (commit *Commit) BitArray() *BitArray { |
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if commit.bitArray == nil { |
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commit.bitArray = NewBitArray(len(commit.Precommits)) |
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for i, precommit := range commit.Precommits { |
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commit.bitArray.SetIndex(i, precommit != nil) |
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} |
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} |
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} |
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} |
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return v.bitArray |
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return commit.bitArray |
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} |
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} |
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func (v *Validation) GetByIndex(index int) *Vote { |
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return v.Precommits[index] |
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func (commit *Commit) GetByIndex(index int) *Vote { |
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return commit.Precommits[index] |
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} |
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} |
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func (v *Validation) IsCommit() bool { |
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if len(v.Precommits) == 0 { |
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func (commit *Commit) IsCommit() bool { |
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if len(commit.Precommits) == 0 { |
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return false |
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return false |
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} |
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} |
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return true |
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return true |
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} |
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} |
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func (v *Validation) ValidateBasic() error { |
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if len(v.Precommits) == 0 { |
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return errors.New("No precommits in validation") |
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func (commit *Commit) ValidateBasic() error { |
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if len(commit.Precommits) == 0 { |
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return errors.New("No precommits in commit") |
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} |
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} |
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height, round := v.Height(), v.Round() |
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for _, precommit := range v.Precommits { |
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height, round := commit.Height(), commit.Round() |
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for _, precommit := range commit.Precommits { |
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// It's OK for precommits to be missing.
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// It's OK for precommits to be missing.
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if precommit == nil { |
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if precommit == nil { |
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continue |
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continue |
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} |
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} |
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// Ensure that all votes are precommits
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// Ensure that all votes are precommits
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if precommit.Type != VoteTypePrecommit { |
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if precommit.Type != VoteTypePrecommit { |
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return fmt.Errorf("Invalid validation vote. Expected precommit, got %v", |
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return fmt.Errorf("Invalid commit vote. Expected precommit, got %v", |
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precommit.Type) |
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precommit.Type) |
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} |
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} |
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// Ensure that all heights are the same
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// Ensure that all heights are the same
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if precommit.Height != height { |
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if precommit.Height != height { |
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return fmt.Errorf("Invalid validation precommit height. Expected %v, got %v", |
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return fmt.Errorf("Invalid commit precommit height. Expected %v, got %v", |
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height, precommit.Height) |
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height, precommit.Height) |
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} |
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} |
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// Ensure that all rounds are the same
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// Ensure that all rounds are the same
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if precommit.Round != round { |
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if precommit.Round != round { |
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return fmt.Errorf("Invalid validation precommit round. Expected %v, got %v", |
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return fmt.Errorf("Invalid commit precommit round. Expected %v, got %v", |
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round, precommit.Round) |
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round, precommit.Round) |
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} |
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} |
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} |
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} |
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return nil |
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return nil |
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} |
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} |
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func (v *Validation) Hash() []byte { |
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if v.hash == nil { |
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bs := make([]interface{}, len(v.Precommits)) |
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for i, precommit := range v.Precommits { |
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func (commit *Commit) Hash() []byte { |
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if commit.hash == nil { |
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bs := make([]interface{}, len(commit.Precommits)) |
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for i, precommit := range commit.Precommits { |
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bs[i] = precommit |
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bs[i] = precommit |
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} |
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} |
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v.hash = merkle.SimpleHashFromBinaries(bs) |
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commit.hash = merkle.SimpleHashFromBinaries(bs) |
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} |
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} |
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return v.hash |
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return commit.hash |
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} |
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} |
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func (v *Validation) StringIndented(indent string) string { |
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if v == nil { |
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return "nil-Validation" |
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func (commit *Commit) StringIndented(indent string) string { |
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if commit == nil { |
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return "nil-Commit" |
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} |
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} |
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precommitStrings := make([]string, len(v.Precommits)) |
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|
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for i, precommit := range v.Precommits { |
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|
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precommitStrings := make([]string, len(commit.Precommits)) |
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|
|
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for i, precommit := range commit.Precommits { |
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|
precommitStrings[i] = precommit.String() |
|
|
precommitStrings[i] = precommit.String() |
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|
} |
|
|
} |
|
|
return fmt.Sprintf(`Validation{ |
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|
return fmt.Sprintf(`Commit{ |
|
|
%s Precommits: %v |
|
|
%s Precommits: %v |
|
|
%s}#%X`, |
|
|
%s}#%X`, |
|
|
indent, strings.Join(precommitStrings, "\n"+indent+" "), |
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|
indent, strings.Join(precommitStrings, "\n"+indent+" "), |
|
|
indent, v.hash) |
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|
|
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|
|
indent, commit.hash) |
|
|
} |
|
|
} |
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//-----------------------------------------------------------------------------
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//-----------------------------------------------------------------------------
|
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Jae Kwon
9 years ago