diff --git a/msgblock_test.go b/msgblock_test.go index 5a55bdff..ca9f8eac 100644 --- a/msgblock_test.go +++ b/msgblock_test.go @@ -8,6 +8,7 @@ import ( "bytes" "github.com/conformal/btcwire" "github.com/davecgh/go-spew/spew" + "io" "reflect" "testing" "time" @@ -200,6 +201,64 @@ func TestBlockWire(t *testing.T) { } } +// TestBlockWireErrors performs negative tests against wire encode and decode +// of MsgBlock to confirm error paths work correctly. +func TestBlockWireErrors(t *testing.T) { + // Use protocol version 60002 specifically here instead of the latest + // because the test data is using bytes encoded with that protocol + // version. + pver := uint32(60002) + + tests := []struct { + in *btcwire.MsgBlock // Value to encode + buf []byte // Wire encoding + pver uint32 // Protocol version for wire encoding + max int // Max size of fixed buffer to induce errors + writeErr error // Expected write error + readErr error // Expected read error + }{ + // Latest protocol version with intentional read/write errors. + // Force error in version. + {&blockOne, []byte{}, pver, 0, io.ErrShortWrite, io.EOF}, + // Force error in prev block hash. + {&blockOne, []byte{}, pver, 4, io.ErrShortWrite, io.EOF}, + // Force error in merkle root. + {&blockOne, []byte{}, pver, 36, io.ErrShortWrite, io.EOF}, + // Force error in timestamp. + {&blockOne, []byte{}, pver, 68, io.ErrShortWrite, io.EOF}, + // Force error in difficulty bits. + {&blockOne, []byte{}, pver, 72, io.ErrShortWrite, io.EOF}, + // Force error in header nonce. + {&blockOne, []byte{}, pver, 76, io.ErrShortWrite, io.EOF}, + // Force error in transaction count. + {&blockOne, []byte{}, pver, 80, io.ErrShortWrite, io.EOF}, + // Force error in transactions. + {&blockOne, blockOneBytes, pver, 81, io.ErrShortWrite, io.EOF}, + } + + t.Logf("Running %d tests", len(tests)) + for i, test := range tests { + // Encode to wire format. + w := newFixedWriter(test.max) + err := test.in.BtcEncode(w, test.pver) + if err != test.writeErr { + t.Errorf("BtcEncode #%d wrong error got: %v, want: %v", + i, err, test.writeErr) + continue + } + + // Decode from wire format. + var msg btcwire.MsgBlock + r := newFixedReader(test.max, test.buf) + err = msg.BtcDecode(r, test.pver) + if err != test.readErr { + t.Errorf("BtcDecode #%d wrong error got: %v, want: %v", + i, err, test.readErr) + continue + } + } +} + var blockOne btcwire.MsgBlock = btcwire.MsgBlock{ Header: btcwire.BlockHeader{ Version: 1, diff --git a/test_coverage.txt b/test_coverage.txt index 486bffd0..7b30d333 100644 --- a/test_coverage.txt +++ b/test_coverage.txt @@ -2,46 +2,50 @@ github.com/conformal/btcwire/message.go ReadMessage 100.00% (37/37) github.com/conformal/btcwire/common.go readVarInt 100.00% (24/24) github.com/conformal/btcwire/msgtx.go MsgTx.Copy 100.00% (24/24) -github.com/conformal/btcwire/message.go makeEmptyMessage 100.00% (20/20) github.com/conformal/btcwire/netaddress.go readNetAddress 100.00% (20/20) +github.com/conformal/btcwire/message.go makeEmptyMessage 100.00% (20/20) github.com/conformal/btcwire/common.go writeVarInt 100.00% (16/16) github.com/conformal/btcwire/shahash.go NewShaHashFromStr 100.00% (15/15) github.com/conformal/btcwire/netaddress.go writeNetAddress 100.00% (14/14) github.com/conformal/btcwire/protocol.go ServiceFlag.String 100.00% (12/12) +github.com/conformal/btcwire/msgblock.go MsgBlock.BtcDecode 100.00% (10/10) github.com/conformal/btcwire/message.go discardInput 100.00% (10/10) +github.com/conformal/btcwire/blockheader.go readBlockHeader 100.00% (10/10) +github.com/conformal/btcwire/msgblock.go MsgBlock.BtcEncode 100.00% (9/9) +github.com/conformal/btcwire/blockheader.go writeBlockHeader 100.00% (8/8) github.com/conformal/btcwire/common.go readVarString 100.00% (8/8) +github.com/conformal/btcwire/msgversion.go NewMsgVersionFromConn 100.00% (7/7) github.com/conformal/btcwire/common.go randomUint64 100.00% (7/7) +github.com/conformal/btcwire/common.go writeVarString 100.00% (7/7) github.com/conformal/btcwire/common.go DoubleSha256 100.00% (7/7) github.com/conformal/btcwire/message.go readMessageHeader 100.00% (7/7) -github.com/conformal/btcwire/msgversion.go NewMsgVersionFromConn 100.00% (7/7) -github.com/conformal/btcwire/common.go writeVarString 100.00% (7/7) -github.com/conformal/btcwire/netaddress.go NewNetAddress 100.00% (5/5) +github.com/conformal/btcwire/common.go readElements 100.00% (5/5) github.com/conformal/btcwire/shahash.go ShaHash.SetBytes 100.00% (5/5) github.com/conformal/btcwire/msggetblocks.go MsgGetBlocks.AddBlockLocatorHash 100.00% (5/5) github.com/conformal/btcwire/msggetdata.go MsgGetData.AddInvVect 100.00% (5/5) -github.com/conformal/btcwire/msgping.go MsgPing.BtcEncode 100.00% (5/5) -github.com/conformal/btcwire/msgping.go MsgPing.BtcDecode 100.00% (5/5) github.com/conformal/btcwire/msgaddr.go MsgAddr.AddAddress 100.00% (5/5) github.com/conformal/btcwire/msggetheaders.go MsgGetHeaders.AddBlockLocatorHash 100.00% (5/5) -github.com/conformal/btcwire/msgnotfound.go MsgNotFound.AddInvVect 100.00% (5/5) +github.com/conformal/btcwire/msgping.go MsgPing.BtcEncode 100.00% (5/5) github.com/conformal/btcwire/msgaddr.go MsgAddr.AddAddresses 100.00% (5/5) github.com/conformal/btcwire/common.go writeElements 100.00% (5/5) github.com/conformal/btcwire/msgheaders.go MsgHeaders.AddBlockHeader 100.00% (5/5) -github.com/conformal/btcwire/common.go readElements 100.00% (5/5) +github.com/conformal/btcwire/msgnotfound.go MsgNotFound.AddInvVect 100.00% (5/5) +github.com/conformal/btcwire/msgping.go MsgPing.BtcDecode 100.00% (5/5) github.com/conformal/btcwire/msginv.go MsgInv.AddInvVect 100.00% (5/5) -github.com/conformal/btcwire/msgpong.go MsgPong.MaxPayloadLength 100.00% (4/4) -github.com/conformal/btcwire/shahash.go ShaHash.String 100.00% (4/4) -github.com/conformal/btcwire/msgping.go MsgPing.MaxPayloadLength 100.00% (4/4) +github.com/conformal/btcwire/netaddress.go NewNetAddress 100.00% (5/5) github.com/conformal/btcwire/msgmempool.go MsgMemPool.BtcEncode 100.00% (4/4) github.com/conformal/btcwire/msgmempool.go MsgMemPool.BtcDecode 100.00% (4/4) +github.com/conformal/btcwire/msgpong.go MsgPong.MaxPayloadLength 100.00% (4/4) +github.com/conformal/btcwire/msgping.go MsgPing.MaxPayloadLength 100.00% (4/4) +github.com/conformal/btcwire/shahash.go ShaHash.String 100.00% (4/4) github.com/conformal/btcwire/netaddress.go maxNetAddressPayload 100.00% (4/4) +github.com/conformal/btcwire/msgblock.go MsgBlock.AddTransaction 100.00% (3/3) +github.com/conformal/btcwire/invvect.go InvType.String 100.00% (3/3) github.com/conformal/btcwire/netaddress.go NetAddress.HasService 100.00% (3/3) github.com/conformal/btcwire/error.go MessageError.Error 100.00% (3/3) github.com/conformal/btcwire/msgversion.go MsgVersion.HasService 100.00% (3/3) -github.com/conformal/btcwire/msgaddr.go MsgAddr.MaxPayloadLength 100.00% (3/3) -github.com/conformal/btcwire/invvect.go InvType.String 100.00% (3/3) -github.com/conformal/btcwire/msgblock.go MsgBlock.AddTransaction 100.00% (3/3) github.com/conformal/btcwire/shahash.go ShaHash.Bytes 100.00% (3/3) +github.com/conformal/btcwire/msgaddr.go MsgAddr.MaxPayloadLength 100.00% (3/3) github.com/conformal/btcwire/netaddress.go NetAddress.SetAddress 100.00% (2/2) github.com/conformal/btcwire/msgblock.go MsgBlock.ClearTransactions 100.00% (2/2) github.com/conformal/btcwire/msgalert.go MsgAlert.Command 100.00% (1/1) @@ -109,45 +113,41 @@ github.com/conformal/btcwire/msgversion.go MsgVersion.MaxPayloadLength 100.00 github.com/conformal/btcwire/msgversion.go NewMsgVersion 100.00% (1/1) github.com/conformal/btcwire/netaddress.go NetAddress.AddService 100.00% (1/1) github.com/conformal/btcwire/shahash.go ShaHash.IsEqual 100.00% (1/1) -github.com/conformal/btcwire/msgtx.go MsgTx.TxSha 85.71% (6/7) -github.com/conformal/btcwire/msgblock.go MsgBlock.TxShas 85.71% (6/7) -github.com/conformal/btcwire/msgpong.go MsgPong.BtcEncode 85.71% (6/7) github.com/conformal/btcwire/msgpong.go MsgPong.BtcDecode 85.71% (6/7) -github.com/conformal/btcwire/msgblock.go MsgBlock.BtcDecode 80.00% (8/10) -github.com/conformal/btcwire/blockheader.go readBlockHeader 80.00% (8/10) +github.com/conformal/btcwire/msgblock.go MsgBlock.TxShas 85.71% (6/7) +github.com/conformal/btcwire/msgtx.go MsgTx.TxSha 85.71% (6/7) +github.com/conformal/btcwire/msgpong.go MsgPong.BtcEncode 85.71% (6/7) +github.com/conformal/btcwire/msgtx.go MsgTx.BtcDecode 80.00% (20/25) github.com/conformal/btcwire/shahash.go NewShaHash 80.00% (4/5) -github.com/conformal/btcwire/msgblock.go MsgBlock.BtcEncode 77.78% (7/9) +github.com/conformal/btcwire/msgtx.go MsgTx.BtcEncode 78.26% (18/23) github.com/conformal/btcwire/msgaddr.go MsgAddr.BtcDecode 76.92% (10/13) github.com/conformal/btcwire/msgtx.go readTxIn 76.47% (13/17) -github.com/conformal/btcwire/msgtx.go MsgTx.BtcDecode 76.00% (19/25) github.com/conformal/btcwire/msgtx.go readTxOut 75.00% (9/12) -github.com/conformal/btcwire/msgalert.go MsgAlert.BtcEncode 75.00% (6/8) -github.com/conformal/btcwire/blockheader.go writeBlockHeader 75.00% (6/8) github.com/conformal/btcwire/msgalert.go MsgAlert.BtcDecode 75.00% (6/8) github.com/conformal/btcwire/blockheader.go BlockHeader.BlockSha 75.00% (6/8) -github.com/conformal/btcwire/msgtx.go writeOutPoint 75.00% (3/4) +github.com/conformal/btcwire/msgalert.go MsgAlert.BtcEncode 75.00% (6/8) github.com/conformal/btcwire/msgtx.go readOutPoint 75.00% (3/4) -github.com/conformal/btcwire/invvect.go writeInvVect 75.00% (3/4) github.com/conformal/btcwire/invvect.go readInvVect 75.00% (3/4) -github.com/conformal/btcwire/msgtx.go MsgTx.BtcEncode 73.91% (17/23) +github.com/conformal/btcwire/msgtx.go writeOutPoint 75.00% (3/4) +github.com/conformal/btcwire/invvect.go writeInvVect 75.00% (3/4) github.com/conformal/btcwire/msgtx.go writeTxIn 73.33% (11/15) github.com/conformal/btcwire/msgtx.go writeTxOut 72.73% (8/11) github.com/conformal/btcwire/message.go WriteMessage 70.00% (21/30) +github.com/conformal/btcwire/msgnotfound.go MsgNotFound.BtcDecode 69.23% (9/13) github.com/conformal/btcwire/msginv.go MsgInv.BtcDecode 69.23% (9/13) github.com/conformal/btcwire/msggetdata.go MsgGetData.BtcDecode 69.23% (9/13) -github.com/conformal/btcwire/msgnotfound.go MsgNotFound.BtcDecode 69.23% (9/13) -github.com/conformal/btcwire/msggetheaders.go MsgGetHeaders.BtcDecode 68.42% (13/19) github.com/conformal/btcwire/msggetblocks.go MsgGetBlocks.BtcDecode 68.42% (13/19) +github.com/conformal/btcwire/msggetheaders.go MsgGetHeaders.BtcDecode 68.42% (13/19) github.com/conformal/btcwire/msgversion.go MsgVersion.BtcDecode 68.00% (17/25) github.com/conformal/btcwire/msggetheaders.go MsgGetHeaders.BtcEncode 66.67% (12/18) github.com/conformal/btcwire/msggetblocks.go MsgGetBlocks.BtcEncode 66.67% (12/18) -github.com/conformal/btcwire/msgnotfound.go MsgNotFound.BtcEncode 66.67% (8/12) -github.com/conformal/btcwire/msginv.go MsgInv.BtcEncode 66.67% (8/12) github.com/conformal/btcwire/msggetdata.go MsgGetData.BtcEncode 66.67% (8/12) +github.com/conformal/btcwire/msginv.go MsgInv.BtcEncode 66.67% (8/12) +github.com/conformal/btcwire/msgnotfound.go MsgNotFound.BtcEncode 66.67% (8/12) github.com/conformal/btcwire/msgversion.go MsgVersion.BtcEncode 63.64% (14/22) github.com/conformal/btcwire/msgheaders.go MsgHeaders.BtcDecode 62.50% (10/16) -github.com/conformal/btcwire/msgaddr.go MsgAddr.BtcEncode 60.00% (9/15) github.com/conformal/btcwire/msgheaders.go MsgHeaders.BtcEncode 60.00% (9/15) +github.com/conformal/btcwire/msgaddr.go MsgAddr.BtcEncode 60.00% (9/15) github.com/conformal/btcwire/msgblock.go MsgBlock.BtcDecodeTxLoc 0.00% (0/16) -github.com/conformal/btcwire --------------------------------- 82.96% (774/933) +github.com/conformal/btcwire --------------------------------- 84.03% (784/933)