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// Copyright 2020 The Swarm Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package mock
import (
"crypto/ecdsa"
"math/big"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethersphere/bee/pkg/crypto"
"github.com/ethersphere/bee/pkg/crypto/eip712"
)
type signerMock struct {
signTx func(transaction *types.Transaction, chainID *big.Int) (*types.Transaction, error)
signTypedData func(*eip712.TypedData) ([]byte, error)
ethereumAddress func() (common.Address, error)
signFunc func([]byte) ([]byte, error)
}
func (m *signerMock) EthereumAddress() (common.Address, error) {
if m.ethereumAddress != nil {
return m.ethereumAddress()
}
return common.Address{}, nil
}
func (m *signerMock) Sign(data []byte) ([]byte, error) {
return m.signFunc(data)
}
func (m *signerMock) SignTx(transaction *types.Transaction, chainID *big.Int) (*types.Transaction, error) {
return m.signTx(transaction, chainID)
}
func (*signerMock) PublicKey() (*ecdsa.PublicKey, error) {
return nil, nil
}
func (m *signerMock) SignTypedData(d *eip712.TypedData) ([]byte, error) {
return m.signTypedData(d)
}
func New(opts ...Option) crypto.Signer {
mock := new(signerMock)
for _, o := range opts {
o.apply(mock)
}
return mock
}
// Option is the option passed to the mock Chequebook service
type Option interface {
apply(*signerMock)
}
type optionFunc func(*signerMock)
func (f optionFunc) apply(r *signerMock) { f(r) }
func WithSignFunc(f func(data []byte) ([]byte, error)) Option {
return optionFunc(func(s *signerMock) {
s.signFunc = f
})
}
func WithSignTxFunc(f func(transaction *types.Transaction, chainID *big.Int) (*types.Transaction, error)) Option {
return optionFunc(func(s *signerMock) {
s.signTx = f
})
}
func WithSignTypedDataFunc(f func(*eip712.TypedData) ([]byte, error)) Option {
return optionFunc(func(s *signerMock) {
s.signTypedData = f
})
}
func WithEthereumAddressFunc(f func() (common.Address, error)) Option {
return optionFunc(func(s *signerMock) {
s.ethereumAddress = f
})
}