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core: rename *block.Base.GetHashableData to GetSignedPart()

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This allow to use `Block` as a Verifiable item.
When tx is provided, it is set as an interop's script container.
Otherwise, block is set.
This commit is contained in:
Evgenii Stratonikov 2020-04-13 16:31:04 +03:00
parent a92872931c
commit 82b230f19f
5 changed files with 15 additions and 8 deletions
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4
pkg/consensus/block.go
View file

@ -20,7 +20,7 @@ var _ block.Block = (*neoBlock)(nil)
// Sign implements block.Block interface.
func (n *neoBlock) Sign(key crypto.PrivateKey) error {
data := n.Base.GetHashableData()
data := n.Base.GetSignedPart()
sig, err := key.Sign(data[:])
if err != nil {
return err
@ -33,7 +33,7 @@ func (n *neoBlock) Sign(key crypto.PrivateKey) error {
// Verify implements block.Block interface.
func (n *neoBlock) Verify(key crypto.PublicKey, sign []byte) error {
data := n.Base.GetHashableData()
data := n.Base.GetSignedPart()
return key.Verify(data, sign)
}

6
pkg/core/block/block_base.go
View file

@ -90,8 +90,8 @@ func (b *Base) EncodeBinary(bw *io.BinWriter) {
b.Script.EncodeBinary(bw)
}
// GetHashableData returns serialized hashable data of the block.
func (b *Base) GetHashableData() []byte {
// GetSignedPart returns serialized hashable data of the block.
func (b *Base) GetSignedPart() []byte {
buf := io.NewBufBinWriter()
// No error can occure while encoding hashable fields.
b.encodeHashableFields(buf.BinWriter)
@ -106,7 +106,7 @@ func (b *Base) GetHashableData() []byte {
// Since MerkleRoot already contains the hash value of all transactions,
// the modification of transaction will influence the hash value of the block.
func (b *Base) createHash() {
bb := b.GetHashableData()
bb := b.GetSignedPart()
b.verificationHash = hash.Sha256(bb)
b.hash = hash.Sha256(b.verificationHash.BytesBE())
}

9
pkg/core/blockchain.go
View file

@ -2057,5 +2057,12 @@ func (bc *Blockchain) secondsPerBlock() int {
}
func (bc *Blockchain) newInteropContext(trigger trigger.Type, d dao.DAO, block *block.Block, tx *transaction.Transaction) *interop.Context {
return interop.NewContext(trigger, bc, d, block, tx, bc.log)
ic := interop.NewContext(trigger, bc, d, block, tx, bc.log)
switch {
case tx != nil:
ic.Container = tx
case block != nil:
ic.Container = block
}
return ic
}

2
pkg/core/helper_test.go
View file

@ -79,7 +79,7 @@ func newBlock(cfg config.ProtocolConfiguration, index uint32, prev util.Uint256,
if err != nil {
panic(err)
}
b := b.GetHashableData()
b := b.GetSignedPart()
sig := pKey.Sign(b)
if len(sig) != 64 {
panic("wrong signature length")

2
pkg/core/interop_system.go
View file

@ -246,7 +246,7 @@ func txGetHash(ic *interop.Context, v *vm.VM) error {
// engineGetScriptContainer returns transaction that contains the script being
// run.
func engineGetScriptContainer(ic *interop.Context, v *vm.VM) error {
v.Estack().PushVal(vm.NewInteropItem(ic.Tx))
v.Estack().PushVal(vm.NewInteropItem(ic.Container))
return nil
}