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package test
import (
"bytes"
"context"
"fmt"
"github.com/btcsuite/btcd/btcec"
"github.com/btcsuite/btcd/wire"
"github.com/lightninglabs/lndclient"
"github.com/lightningnetwork/lnd/input"
"github.com/lightningnetwork/lnd/keychain"
)
type mockSigner struct {
lnd *LndMockServices
}
func (s *mockSigner) SignOutputRaw(ctx context.Context, tx *wire.MsgTx,
signDescriptors []*lndclient.SignDescriptor) ([][]byte, error) {
s.lnd.SignOutputRawChannel <- SignOutputRawRequest{
Tx: tx,
SignDescriptors: signDescriptors,
}
rawSigs := [][]byte{{1, 2, 3}}
return rawSigs, nil
}
func (s *mockSigner) ComputeInputScript(ctx context.Context, tx *wire.MsgTx,
signDescriptors []*lndclient.SignDescriptor) ([]*input.Script, error) {
return nil, fmt.Errorf("unimplemented")
}
func (s *mockSigner) SignMessage(ctx context.Context, msg []byte,
locator keychain.KeyLocator) ([]byte, error) {
return s.lnd.Signature, nil
}
func (s *mockSigner) VerifyMessage(ctx context.Context, msg, sig []byte,
pubkey [33]byte) (bool, error) {
// Make the mock somewhat functional by asserting that the message and
// signature is what we expect from the mock parameters.
mockAssertion := bytes.Equal(msg, []byte(s.lnd.SignatureMsg)) &&
bytes.Equal(sig, s.lnd.Signature)
return mockAssertion, nil
}
func (s *mockSigner) DeriveSharedKey(context.Context, *btcec.PublicKey,
*keychain.KeyLocator) ([32]byte, error) {
return [32]byte{4, 5, 6}, nil
}