mirror of
https://github.com/QuilibriumNetwork/ceremonyclient.git
synced 2026-02-21 18:37:26 +08:00
106 lines
2.6 KiB
Go
106 lines
2.6 KiB
Go
package hypergraph
|
|
|
|
import (
|
|
"math/big"
|
|
"slices"
|
|
|
|
"github.com/pkg/errors"
|
|
hgstate "source.quilibrium.com/quilibrium/monorepo/node/execution/state/hypergraph"
|
|
"source.quilibrium.com/quilibrium/monorepo/types/crypto"
|
|
qcrypto "source.quilibrium.com/quilibrium/monorepo/types/crypto"
|
|
"source.quilibrium.com/quilibrium/monorepo/types/execution/intrinsics"
|
|
"source.quilibrium.com/quilibrium/monorepo/types/execution/state"
|
|
"source.quilibrium.com/quilibrium/monorepo/types/keys"
|
|
)
|
|
|
|
type VertexRemove struct {
|
|
Domain [32]byte
|
|
DataAddress [32]byte
|
|
Signature []byte
|
|
keyManager keys.KeyManager
|
|
signer qcrypto.Signer
|
|
config *HypergraphIntrinsicConfiguration
|
|
}
|
|
|
|
// NewVertexRemove constructs a new vertex removal.
|
|
func NewVertexRemove(
|
|
domain [32]byte,
|
|
dataAddress [32]byte,
|
|
signer qcrypto.Signer,
|
|
) *VertexRemove {
|
|
return &VertexRemove{
|
|
Domain: domain,
|
|
DataAddress: dataAddress,
|
|
signer: signer,
|
|
}
|
|
}
|
|
|
|
// GetCost implements intrinsics.IntrinsicOperation.
|
|
func (h *VertexRemove) GetCost() (*big.Int, error) {
|
|
return big.NewInt(64), nil
|
|
}
|
|
|
|
// Materialize implements intrinsics.IntrinsicOperation.
|
|
func (h *VertexRemove) Materialize(
|
|
frameNumber uint64,
|
|
state state.State,
|
|
) (state.State, error) {
|
|
hypergraph, ok := state.(*hgstate.HypergraphState)
|
|
if !ok {
|
|
return nil, errors.Wrap(errors.New("invalid state"), "materialize")
|
|
}
|
|
|
|
err := hypergraph.Delete(
|
|
h.Domain[:],
|
|
h.DataAddress[:],
|
|
hgstate.VertexRemovesDiscriminator,
|
|
frameNumber,
|
|
)
|
|
|
|
return hypergraph, errors.Wrap(err, "materialize")
|
|
}
|
|
|
|
// Prove implements intrinsics.IntrinsicOperation.
|
|
func (h *VertexRemove) Prove(frameNumber uint64) error {
|
|
message := make([]byte, 0, 64)
|
|
message = append(message, h.Domain[:]...)
|
|
message = append(message, h.DataAddress[:]...)
|
|
|
|
sig, err := h.signer.SignWithDomain(
|
|
message,
|
|
slices.Concat(h.Domain[:], []byte("VERTEX_REMOVE")),
|
|
)
|
|
if err != nil {
|
|
return errors.Wrap(err, "prove")
|
|
}
|
|
|
|
h.Signature = sig
|
|
return nil
|
|
}
|
|
|
|
// Verify implements intrinsics.IntrinsicOperation.
|
|
func (h *VertexRemove) Verify(frameNumber uint64) (bool, error) {
|
|
message := make([]byte, 0, 64)
|
|
message = append(message, h.Domain[:]...)
|
|
message = append(message, h.DataAddress[:]...)
|
|
|
|
valid, err := h.keyManager.ValidateSignature(
|
|
crypto.KeyTypeEd448,
|
|
h.config.WritePublicKey,
|
|
message,
|
|
h.Signature,
|
|
slices.Concat(h.Domain[:], []byte("VERTEX_REMOVE")),
|
|
)
|
|
if err != nil {
|
|
return false, errors.Wrap(err, "verify")
|
|
}
|
|
|
|
if !valid {
|
|
return false, errors.Wrap(errors.New("invalid signature"), "verify")
|
|
}
|
|
|
|
return true, nil
|
|
}
|
|
|
|
var _ intrinsics.IntrinsicOperation = (*VertexRemove)(nil)
|