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140 lines
3.3 KiB
140 lines
3.3 KiB
package blocks
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import (
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. "github.com/tendermint/tendermint/binary"
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"github.com/tendermint/tendermint/merkle"
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"io"
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)
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/* Block */
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type Block struct {
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Header
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Validation
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Data
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// Checkpoint
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}
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func ReadBlock(r io.Reader) *Block {
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return &Block{
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Header: ReadHeader(r),
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Validation: ReadValidation(r),
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Data: ReadData(r),
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}
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}
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func (self *Block) Validate() bool {
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return false
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}
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func (self *Block) WriteTo(w io.Writer) (n int64, err error) {
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n, err = WriteOnto(&self.Header, w, n, err)
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n, err = WriteOnto(&self.Validation, w, n, err)
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n, err = WriteOnto(&self.Data, w, n, err)
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return
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}
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/* Block > Header */
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type Header struct {
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Name String
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Height UInt64
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Fees UInt64
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Time UInt64
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PrevHash ByteSlice
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ValidationHash ByteSlice
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DataHash ByteSlice
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}
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func ReadHeader(r io.Reader) Header {
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return Header{
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Name: ReadString(r),
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Height: ReadUInt64(r),
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Fees: ReadUInt64(r),
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Time: ReadUInt64(r),
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PrevHash: ReadByteSlice(r),
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ValidationHash: ReadByteSlice(r),
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DataHash: ReadByteSlice(r),
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}
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}
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func (self *Header) WriteTo(w io.Writer) (n int64, err error) {
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n, err = WriteOnto(self.Name, w, n, err)
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n, err = WriteOnto(self.Height, w, n, err)
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n, err = WriteOnto(self.Fees, w, n, err)
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n, err = WriteOnto(self.Time, w, n, err)
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n, err = WriteOnto(self.PrevHash, w, n, err)
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n, err = WriteOnto(self.ValidationHash, w, n, err)
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n, err = WriteOnto(self.DataHash, w, n, err)
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return
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}
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/* Block > Validation */
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type Validation struct {
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Signatures []Signature
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Adjustments []Adjustment
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}
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func ReadValidation(r io.Reader) Validation {
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numSigs := int(ReadUInt64(r))
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numAdjs := int(ReadUInt64(r))
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sigs := make([]Signature, 0, numSigs)
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for i:=0; i<numSigs; i++ {
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sigs = append(sigs, ReadSignature(r))
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}
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adjs := make([]Adjustment, 0, numAdjs)
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for i:=0; i<numSigs; i++ {
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adjs = append(adjs, ReadAdjustment(r))
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}
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return Validation{
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Signatures: sigs,
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Adjustments: adjs,
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}
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}
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func (self *Validation) WriteTo(w io.Writer) (n int64, err error) {
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n, err = WriteOnto(UInt64(len(self.Signatures)), w, n, err)
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n, err = WriteOnto(UInt64(len(self.Adjustments)), w, n, err)
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for _, sig := range self.Signatures {
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n, err = WriteOnto(sig, w, n, err)
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}
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for _, adj := range self.Adjustments {
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n, err = WriteOnto(adj, w, n, err)
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}
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return
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}
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/* Block > Data */
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type Data struct {
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Txs []Tx
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}
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func ReadData(r io.Reader) Data {
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numTxs := int(ReadUInt64(r))
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txs := make([]Tx, 0, numTxs)
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for i:=0; i<numTxs; i++ {
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txs = append(txs, ReadTx(r))
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}
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return Data{txs}
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}
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func (self *Data) WriteTo(w io.Writer) (n int64, err error) {
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n, err = WriteOnto(UInt64(len(self.Txs)), w, n, err)
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for _, tx := range self.Txs {
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n, err = WriteOnto(tx, w, n, err)
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}
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return
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}
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func (self *Data) MerkleHash() ByteSlice {
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bs := make([]Binary, 0, len(self.Txs))
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for i, tx := range self.Txs {
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bs[i] = Binary(tx)
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}
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return merkle.HashFromBinarySlice(bs)
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}
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