mirror of
https://github.com/nspcc-dev/neo-go.git
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73 lines
2.1 KiB
Go
73 lines
2.1 KiB
Go
package consensus
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import (
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"errors"
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"github.com/nspcc-dev/dbft"
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"github.com/nspcc-dev/neo-go/pkg/config/netmode"
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coreb "github.com/nspcc-dev/neo-go/pkg/core/block"
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"github.com/nspcc-dev/neo-go/pkg/core/transaction"
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"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
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"github.com/nspcc-dev/neo-go/pkg/util"
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)
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// neoBlock is a wrapper of a core.Block which implements
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// methods necessary for dBFT library.
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type neoBlock struct {
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coreb.Block
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network netmode.Magic
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signature []byte
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}
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var _ dbft.Block[util.Uint256] = (*neoBlock)(nil)
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// Sign implements the block.Block interface.
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func (n *neoBlock) Sign(key dbft.PrivateKey) error {
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k := key.(*privateKey)
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sig := k.PrivateKey.SignHashable(uint32(n.network), &n.Block)
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n.signature = sig
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return nil
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}
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// Verify implements the block.Block interface.
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func (n *neoBlock) Verify(key dbft.PublicKey, sign []byte) error {
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k := key.(*keys.PublicKey)
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if k.VerifyHashable(sign, uint32(n.network), &n.Block) {
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return nil
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}
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return errors.New("verification failed")
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}
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// Transactions implements the block.Block interface.
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func (n *neoBlock) Transactions() []dbft.Transaction[util.Uint256] {
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txes := make([]dbft.Transaction[util.Uint256], len(n.Block.Transactions))
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for i, tx := range n.Block.Transactions {
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txes[i] = tx
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}
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return txes
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}
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// SetTransactions implements the block.Block interface.
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func (n *neoBlock) SetTransactions(txes []dbft.Transaction[util.Uint256]) {
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n.Block.Transactions = make([]*transaction.Transaction, len(txes))
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for i, tx := range txes {
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n.Block.Transactions[i] = tx.(*transaction.Transaction)
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}
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}
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// PrevHash implements the block.Block interface.
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func (n *neoBlock) PrevHash() util.Uint256 { return n.Block.PrevHash }
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// MerkleRoot implements the block.Block interface.
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func (n *neoBlock) MerkleRoot() util.Uint256 { return n.Block.MerkleRoot }
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// Timestamp implements the block.Block interface.
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func (n *neoBlock) Timestamp() uint64 { return n.Block.Timestamp * nsInMs }
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// Index implements the block.Block interface.
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func (n *neoBlock) Index() uint32 { return n.Block.Index }
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// Signature implements the block.Block interface.
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func (n *neoBlock) Signature() []byte { return n.signature }
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