/*

* Copyright 2018 The CovenantSQL Authors.

*

* Licensed under the Apache License, Version 2.0 (the "License");

* you may not use this file except in compliance with the License.

* You may obtain a copy of the License at

*

* http://www.apache.org/licenses/LICENSE-2.0

*

* Unless required by applicable law or agreed to in writing, software

* distributed under the License is distributed on an "AS IS" BASIS,

* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

* See the License for the specific language governing permissions and

* limitations under the License.

*/

package types

import (

pi "github.com/CovenantSQL/CovenantSQL/blockproducer/interfaces"

"github.com/CovenantSQL/CovenantSQL/crypto"

"github.com/CovenantSQL/CovenantSQL/crypto/asymmetric"

"github.com/CovenantSQL/CovenantSQL/crypto/verifier"

"github.com/CovenantSQL/CovenantSQL/proto"

)

//go:generate hsp

// CreateDatabaseHeader defines the database creation transaction header.

type CreateDatabaseHeader struct {

Owner proto.AccountAddress

ResourceMeta ResourceMeta

GasPrice uint64

AdvancePayment uint64

TokenType TokenType

Nonce pi.AccountNonce

}

// GetAccountNonce implements interfaces/Transaction.GetAccountNonce.

func (h *CreateDatabaseHeader) GetAccountNonce() pi.AccountNonce {

return h.Nonce

}

// CreateDatabase defines the database creation transaction.

type CreateDatabase struct {

CreateDatabaseHeader

pi.TransactionTypeMixin

verifier.DefaultHashSignVerifierImpl

}

// NewCreateDatabase returns new instance.

func NewCreateDatabase(header *CreateDatabaseHeader) *CreateDatabase {

return &CreateDatabase{

CreateDatabaseHeader: *header,

TransactionTypeMixin: *pi.NewTransactionTypeMixin(pi.TransactionTypeCreateDatabase),

}

}

// Sign implements interfaces/Transaction.Sign.

func (cd *CreateDatabase) Sign(signer *asymmetric.PrivateKey) (err error) {

return cd.DefaultHashSignVerifierImpl.Sign(&cd.CreateDatabaseHeader, signer)

}

// Verify implements interfaces/Transaction.Verify.

func (cd *CreateDatabase) Verify() error {

return cd.DefaultHashSignVerifierImpl.Verify(&cd.CreateDatabaseHeader)

}

// GetAccountAddress implements interfaces/Transaction.GetAccountAddress.

func (cd *CreateDatabase) GetAccountAddress() proto.AccountAddress {

addr, _ := crypto.PubKeyHash(cd.Signee)

return addr

}

func init() {

pi.RegisterTransaction(pi.TransactionTypeCreateDatabase, (*CreateDatabase)(nil))

}