forked from cerc-io/plugeth
134 lines
3.2 KiB
Go
134 lines
3.2 KiB
Go
package eth
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import (
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"io"
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"math/big"
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"testing"
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"github.com/ethereum/go-ethereum/core/types"
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"github.com/ethereum/go-ethereum/p2p"
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)
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type testMsgReadWriter struct {
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in chan p2p.Msg
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out chan p2p.Msg
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}
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func (self *testMsgReadWriter) In(msg p2p.Msg) {
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self.in <- msg
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}
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func (self *testMsgReadWriter) Out(msg p2p.Msg) {
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self.in <- msg
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}
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func (self *testMsgReadWriter) WriteMsg(msg p2p.Msg) error {
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self.out <- msg
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return nil
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}
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func (self *testMsgReadWriter) EncodeMsg(code uint64, data ...interface{}) error {
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return self.WriteMsg(p2p.NewMsg(code, data))
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}
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func (self *testMsgReadWriter) ReadMsg() (p2p.Msg, error) {
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msg, ok := <-self.in
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if !ok {
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return msg, io.EOF
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}
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return msg, nil
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}
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func errorCheck(t *testing.T, expCode int, err error) {
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perr, ok := err.(*protocolError)
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if ok && perr != nil {
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if code := perr.Code; code != expCode {
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ok = false
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}
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}
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if !ok {
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t.Errorf("expected error code %v, got %v", ErrNoStatusMsg, err)
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}
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}
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type TestBackend struct {
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getTransactions func() []*types.Transaction
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addTransactions func(txs []*types.Transaction)
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getBlockHashes func(hash []byte, amount uint32) (hashes [][]byte)
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addHash func(hash []byte, peer *p2p.Peer) (more bool)
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getBlock func(hash []byte) *types.Block
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addBlock func(td *big.Int, block *types.Block, peer *p2p.Peer) (fetchHashes bool, err error)
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addPeer func(td *big.Int, currentBlock []byte, peer *p2p.Peer) (fetchHashes bool)
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status func() (td *big.Int, currentBlock []byte, genesisBlock []byte)
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}
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func (self *TestBackend) GetTransactions() (txs []*types.Transaction) {
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if self.getTransactions != nil {
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txs = self.getTransactions()
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}
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return
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}
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func (self *TestBackend) AddTransactions(txs []*types.Transaction) {
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if self.addTransactions != nil {
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self.addTransactions(txs)
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}
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}
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func (self *TestBackend) GetBlockHashes(hash []byte, amount uint32) (hashes [][]byte) {
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if self.getBlockHashes != nil {
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hashes = self.getBlockHashes(hash, amount)
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}
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return
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}
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func (self *TestBackend) AddHash(hash []byte, peer *p2p.Peer) (more bool) {
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if self.addHash != nil {
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more = self.addHash(hash, peer)
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}
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return
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}
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func (self *TestBackend) GetBlock(hash []byte) (block *types.Block) {
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if self.getBlock != nil {
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block = self.getBlock(hash)
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}
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return
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}
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func (self *TestBackend) AddBlock(td *big.Int, block *types.Block, peer *p2p.Peer) (fetchHashes bool, err error) {
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if self.addBlock != nil {
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fetchHashes, err = self.addBlock(td, block, peer)
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}
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return
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}
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func (self *TestBackend) AddPeer(td *big.Int, currentBlock []byte, peer *p2p.Peer) (fetchHashes bool) {
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if self.addPeer != nil {
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fetchHashes = self.addPeer(td, currentBlock, peer)
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}
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return
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}
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func (self *TestBackend) Status() (td *big.Int, currentBlock []byte, genesisBlock []byte) {
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if self.status != nil {
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td, currentBlock, genesisBlock = self.status()
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}
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return
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}
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func TestEth(t *testing.T) {
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quit := make(chan bool)
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rw := &testMsgReadWriter{make(chan p2p.Msg, 10), make(chan p2p.Msg, 10)}
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testBackend := &TestBackend{}
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var err error
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go func() {
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err = runEthProtocol(testBackend, nil, rw)
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close(quit)
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}()
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statusMsg := p2p.NewMsg(4)
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rw.In(statusMsg)
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<-quit
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errorCheck(t, ErrNoStatusMsg, err)
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// read(t, remote, []byte("hello, world"), nil)
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}
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