neo-go/pkg/consensus/prepare_request.go
Roman Khimov 54f75bb999 consensus: don't use WriteArray for PrepareRequests
It's convenient, but it's not efficient due to reflection use.
2022-06-02 15:38:39 +03:00

92 lines
2.9 KiB
Go

package consensus
import (
"github.com/nspcc-dev/dbft/payload"
"github.com/nspcc-dev/neo-go/pkg/core/block"
"github.com/nspcc-dev/neo-go/pkg/io"
"github.com/nspcc-dev/neo-go/pkg/util"
)
// prepareRequest represents dBFT prepareRequest message.
type prepareRequest struct {
version uint32
prevHash util.Uint256
timestamp uint64
nonce uint64
transactionHashes []util.Uint256
stateRootEnabled bool
stateRoot util.Uint256
}
var _ payload.PrepareRequest = (*prepareRequest)(nil)
// EncodeBinary implements the io.Serializable interface.
func (p *prepareRequest) EncodeBinary(w *io.BinWriter) {
w.WriteU32LE(p.version)
w.WriteBytes(p.prevHash[:])
w.WriteU64LE(p.timestamp)
w.WriteU64LE(p.nonce)
w.WriteVarUint(uint64(len(p.transactionHashes)))
for i := range p.transactionHashes {
w.WriteBytes(p.transactionHashes[i][:])
}
if p.stateRootEnabled {
w.WriteBytes(p.stateRoot[:])
}
}
// DecodeBinary implements the io.Serializable interface.
func (p *prepareRequest) DecodeBinary(r *io.BinReader) {
p.version = r.ReadU32LE()
r.ReadBytes(p.prevHash[:])
p.timestamp = r.ReadU64LE()
p.nonce = r.ReadU64LE()
r.ReadArray(&p.transactionHashes, block.MaxTransactionsPerBlock)
if p.stateRootEnabled {
r.ReadBytes(p.stateRoot[:])
}
}
// Version implements the payload.PrepareRequest interface.
func (p prepareRequest) Version() uint32 {
return p.version
}
// SetVersion implements the payload.PrepareRequest interface.
func (p *prepareRequest) SetVersion(v uint32) {
p.version = v
}
// PrevHash implements the payload.PrepareRequest interface.
func (p prepareRequest) PrevHash() util.Uint256 {
return p.prevHash
}
// SetPrevHash implements the payload.PrepareRequest interface.
func (p *prepareRequest) SetPrevHash(h util.Uint256) {
p.prevHash = h
}
// Timestamp implements the payload.PrepareRequest interface.
func (p *prepareRequest) Timestamp() uint64 { return p.timestamp * nsInMs }
// SetTimestamp implements the payload.PrepareRequest interface.
func (p *prepareRequest) SetTimestamp(ts uint64) { p.timestamp = ts / nsInMs }
// Nonce implements the payload.PrepareRequest interface.
func (p *prepareRequest) Nonce() uint64 { return p.nonce }
// SetNonce implements the payload.PrepareRequest interface.
func (p *prepareRequest) SetNonce(nonce uint64) { p.nonce = nonce }
// TransactionHashes implements the payload.PrepareRequest interface.
func (p *prepareRequest) TransactionHashes() []util.Uint256 { return p.transactionHashes }
// SetTransactionHashes implements the payload.PrepareRequest interface.
func (p *prepareRequest) SetTransactionHashes(hs []util.Uint256) { p.transactionHashes = hs }
// NextConsensus implements the payload.PrepareRequest interface.
func (p *prepareRequest) NextConsensus() util.Uint160 { return util.Uint160{} }
// SetNextConsensus implements the payload.PrepareRequest interface.
func (p *prepareRequest) SetNextConsensus(_ util.Uint160) {}