Add negative tests for updated read/writeElement.
This commit adds tests for the error paths in the updated readElement and writeElement functions. This brings the test coverage back up to 100%.
This commit is contained in:
Dave Collins
parent
119a2ddc75
commit
6f61e0acc2
2 changed files with 105 additions and 38 deletions
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@ -147,6 +147,73 @@ func TestElementWire(t *testing.T) {
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}
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}
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// TestElementWireErrors performs negative tests against wire encode and decode
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// of various element types to confirm error paths work correctly.
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func TestElementWireErrors(t *testing.T) {
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tests := []struct {
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in interface{} // Value to encode
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max int // Max size of fixed buffer to induce errors
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writeErr error // Expected write error
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readErr error // Expected read error
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}{
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{int32(1), 0, io.ErrShortWrite, io.EOF},
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{uint32(256), 0, io.ErrShortWrite, io.EOF},
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{int64(65536), 0, io.ErrShortWrite, io.EOF},
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{[4]byte{0x01, 0x02, 0x03, 0x04}, 0, io.ErrShortWrite, io.EOF},
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{
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[btcwire.CommandSize]byte{
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0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
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0x09, 0x0a, 0x0b, 0x0c,
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},
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0, io.ErrShortWrite, io.EOF,
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},
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{
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[16]byte{
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0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
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0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10,
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},
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0, io.ErrShortWrite, io.EOF,
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},
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{
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(*btcwire.ShaHash)(&[btcwire.HashSize]byte{ // Make go vet happy.
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0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
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0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10,
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0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18,
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0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20,
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}),
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0, io.ErrShortWrite, io.EOF,
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},
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{btcwire.ServiceFlag(btcwire.SFNodeNetwork), 0, io.ErrShortWrite, io.EOF},
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{btcwire.InvType(btcwire.InvTypeTx), 0, io.ErrShortWrite, io.EOF},
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{btcwire.BitcoinNet(btcwire.MainNet), 0, io.ErrShortWrite, io.EOF},
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}
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t.Logf("Running %d tests", len(tests))
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for i, test := range tests {
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// Encode to wire format.
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w := newFixedWriter(test.max)
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err := btcwire.TstWriteElement(w, test.in)
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if err != test.writeErr {
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t.Errorf("writeElement #%d wrong error got: %v, want: %v",
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i, err, test.writeErr)
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continue
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}
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// Decode from wire format.
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r := newFixedReader(test.max, nil)
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val := test.in
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if reflect.ValueOf(test.in).Kind() != reflect.Ptr {
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val = reflect.New(reflect.TypeOf(test.in)).Interface()
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}
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err = btcwire.TstReadElement(r, val)
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if err != test.readErr {
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t.Errorf("readElement #%d wrong error got: %v, want: %v",
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i, err, test.readErr)
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continue
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}
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}
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}
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// TestVarIntWire tests wire encode and decode for variable length integers.
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func TestVarIntWire(t *testing.T) {
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pver := btcwire.ProtocolVersion
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@ -1,28 +1,30 @@
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github.com/conformal/btcwire/common.go writeElement 100.00% (61/61)
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github.com/conformal/btcwire/common.go readElement 100.00% (61/61)
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github.com/conformal/btcwire/message.go ReadMessage 100.00% (37/37)
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github.com/conformal/btcwire/msgtx.go MsgTx.BtcDecode 100.00% (36/36)
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github.com/conformal/btcwire/message.go WriteMessage 100.00% (31/31)
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github.com/conformal/btcwire/msgtx.go MsgTx.BtcEncode 100.00% (26/26)
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github.com/conformal/btcwire/msgversion.go MsgVersion.BtcDecode 100.00% (25/25)
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github.com/conformal/btcwire/msgtx.go MsgTx.Copy 100.00% (24/24)
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github.com/conformal/btcwire/msgtx.go readTxIn 100.00% (22/22)
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github.com/conformal/btcwire/msgversion.go MsgVersion.BtcEncode 100.00% (22/22)
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github.com/conformal/btcwire/msgtx.go readTxIn 100.00% (22/22)
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github.com/conformal/btcwire/common.go readVarInt 100.00% (21/21)
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github.com/conformal/btcwire/netaddress.go readNetAddress 100.00% (20/20)
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github.com/conformal/btcwire/common.go writeVarInt 100.00% (20/20)
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github.com/conformal/btcwire/msggetheaders.go MsgGetHeaders.BtcDecode 100.00% (20/20)
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github.com/conformal/btcwire/message.go makeEmptyMessage 100.00% (20/20)
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github.com/conformal/btcwire/msggetblocks.go MsgGetBlocks.BtcDecode 100.00% (20/20)
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github.com/conformal/btcwire/common.go writeVarInt 100.00% (20/20)
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github.com/conformal/btcwire/msggetheaders.go MsgGetHeaders.BtcDecode 100.00% (20/20)
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github.com/conformal/btcwire/netaddress.go readNetAddress 100.00% (20/20)
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github.com/conformal/btcwire/msgblock.go MsgBlock.DeserializeTxLoc 100.00% (19/19)
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github.com/conformal/btcwire/msggetheaders.go MsgGetHeaders.BtcEncode 100.00% (18/18)
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github.com/conformal/btcwire/msggetblocks.go MsgGetBlocks.BtcEncode 100.00% (18/18)
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github.com/conformal/btcwire/msgheaders.go MsgHeaders.BtcDecode 100.00% (17/17)
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github.com/conformal/btcwire/msggetheaders.go MsgGetHeaders.BtcEncode 100.00% (18/18)
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github.com/conformal/btcwire/msgtx.go readTxOut 100.00% (17/17)
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github.com/conformal/btcwire/msgheaders.go MsgHeaders.BtcDecode 100.00% (17/17)
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github.com/conformal/btcwire/msgtx.go writeTxIn 100.00% (16/16)
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github.com/conformal/btcwire/msgaddr.go MsgAddr.BtcEncode 100.00% (15/15)
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github.com/conformal/btcwire/msgblock.go MsgBlock.BtcDecode 100.00% (15/15)
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github.com/conformal/btcwire/shahash.go NewShaHashFromStr 100.00% (15/15)
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github.com/conformal/btcwire/msgblock.go MsgBlock.BtcDecode 100.00% (15/15)
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github.com/conformal/btcwire/msgheaders.go MsgHeaders.BtcEncode 100.00% (15/15)
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github.com/conformal/btcwire/msgaddr.go MsgAddr.BtcEncode 100.00% (15/15)
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github.com/conformal/btcwire/msggetdata.go MsgGetData.BtcDecode 100.00% (14/14)
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github.com/conformal/btcwire/netaddress.go writeNetAddress 100.00% (14/14)
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github.com/conformal/btcwire/msgnotfound.go MsgNotFound.BtcDecode 100.00% (14/14)
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@ -31,62 +33,62 @@ github.com/conformal/btcwire/msgaddr.go MsgAddr.BtcDecode 100.00% (14/14)
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github.com/conformal/btcwire/msgtx.go writeTxOut 100.00% (13/13)
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github.com/conformal/btcwire/msginv.go MsgInv.BtcEncode 100.00% (12/12)
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github.com/conformal/btcwire/msggetdata.go MsgGetData.BtcEncode 100.00% (12/12)
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github.com/conformal/btcwire/protocol.go ServiceFlag.String 100.00% (12/12)
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github.com/conformal/btcwire/msgnotfound.go MsgNotFound.BtcEncode 100.00% (12/12)
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github.com/conformal/btcwire/protocol.go ServiceFlag.String 100.00% (12/12)
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github.com/conformal/btcwire/common.go readVarString 100.00% (11/11)
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github.com/conformal/btcwire/blockheader.go readBlockHeader 100.00% (10/10)
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github.com/conformal/btcwire/message.go discardInput 100.00% (10/10)
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github.com/conformal/btcwire/blockheader.go readBlockHeader 100.00% (10/10)
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github.com/conformal/btcwire/msgtx.go writeOutPoint 100.00% (9/9)
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github.com/conformal/btcwire/msgblock.go MsgBlock.BtcEncode 100.00% (9/9)
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github.com/conformal/btcwire/msgtx.go readOutPoint 100.00% (9/9)
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github.com/conformal/btcwire/msgtx.go writeOutPoint 100.00% (9/9)
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github.com/conformal/btcwire/msgalert.go MsgAlert.BtcDecode 100.00% (8/8)
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github.com/conformal/btcwire/blockheader.go writeBlockHeader 100.00% (8/8)
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github.com/conformal/btcwire/msgalert.go MsgAlert.BtcEncode 100.00% (8/8)
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github.com/conformal/btcwire/blockheader.go writeBlockHeader 100.00% (8/8)
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github.com/conformal/btcwire/common.go varIntSerializeSize 100.00% (7/7)
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github.com/conformal/btcwire/msgversion.go NewMsgVersionFromConn 100.00% (7/7)
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github.com/conformal/btcwire/msgpong.go MsgPong.BtcEncode 100.00% (7/7)
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github.com/conformal/btcwire/msgpong.go MsgPong.BtcDecode 100.00% (7/7)
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github.com/conformal/btcwire/message.go readMessageHeader 100.00% (7/7)
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github.com/conformal/btcwire/common.go writeVarString 100.00% (7/7)
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github.com/conformal/btcwire/common.go randomUint64 100.00% (7/7)
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github.com/conformal/btcwire/msgtx.go MsgTx.SerializeSize 100.00% (6/6)
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github.com/conformal/btcwire/msgpong.go MsgPong.BtcEncode 100.00% (7/7)
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github.com/conformal/btcwire/msgversion.go NewMsgVersionFromConn 100.00% (7/7)
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github.com/conformal/btcwire/msgpong.go MsgPong.BtcDecode 100.00% (7/7)
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github.com/conformal/btcwire/message.go readMessageHeader 100.00% (7/7)
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github.com/conformal/btcwire/common.go DoubleSha256 100.00% (6/6)
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github.com/conformal/btcwire/msgping.go MsgPing.BtcEncode 100.00% (5/5)
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github.com/conformal/btcwire/shahash.go ShaHash.SetBytes 100.00% (5/5)
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github.com/conformal/btcwire/msgnotfound.go MsgNotFound.AddInvVect 100.00% (5/5)
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github.com/conformal/btcwire/common.go writeElements 100.00% (5/5)
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github.com/conformal/btcwire/msgblock.go MsgBlock.TxShas 100.00% (5/5)
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github.com/conformal/btcwire/msgtx.go MsgTx.TxSha 100.00% (5/5)
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github.com/conformal/btcwire/blockheader.go BlockHeader.BlockSha 100.00% (5/5)
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github.com/conformal/btcwire/msggetblocks.go MsgGetBlocks.AddBlockLocatorHash 100.00% (5/5)
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github.com/conformal/btcwire/msgtx.go MsgTx.SerializeSize 100.00% (6/6)
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github.com/conformal/btcwire/msgping.go MsgPing.BtcDecode 100.00% (5/5)
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github.com/conformal/btcwire/msggetblocks.go MsgGetBlocks.AddBlockLocatorHash 100.00% (5/5)
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github.com/conformal/btcwire/blockheader.go BlockHeader.BlockSha 100.00% (5/5)
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github.com/conformal/btcwire/msggetdata.go MsgGetData.AddInvVect 100.00% (5/5)
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github.com/conformal/btcwire/netaddress.go NewNetAddress 100.00% (5/5)
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github.com/conformal/btcwire/msgtx.go MsgTx.TxSha 100.00% (5/5)
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github.com/conformal/btcwire/shahash.go ShaHash.SetBytes 100.00% (5/5)
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github.com/conformal/btcwire/msgblock.go MsgBlock.TxShas 100.00% (5/5)
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github.com/conformal/btcwire/shahash.go NewShaHash 100.00% (5/5)
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github.com/conformal/btcwire/msggetheaders.go MsgGetHeaders.AddBlockLocatorHash 100.00% (5/5)
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github.com/conformal/btcwire/msgaddr.go MsgAddr.AddAddress 100.00% (5/5)
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github.com/conformal/btcwire/msgaddr.go MsgAddr.AddAddresses 100.00% (5/5)
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github.com/conformal/btcwire/msgheaders.go MsgHeaders.AddBlockHeader 100.00% (5/5)
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github.com/conformal/btcwire/shahash.go NewShaHash 100.00% (5/5)
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github.com/conformal/btcwire/msgping.go MsgPing.BtcEncode 100.00% (5/5)
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github.com/conformal/btcwire/msginv.go MsgInv.AddInvVect 100.00% (5/5)
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github.com/conformal/btcwire/common.go writeElements 100.00% (5/5)
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github.com/conformal/btcwire/msgnotfound.go MsgNotFound.AddInvVect 100.00% (5/5)
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github.com/conformal/btcwire/common.go readElements 100.00% (5/5)
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github.com/conformal/btcwire/msgpong.go MsgPong.MaxPayloadLength 100.00% (4/4)
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github.com/conformal/btcwire/msgmempool.go MsgMemPool.BtcDecode 100.00% (4/4)
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github.com/conformal/btcwire/msgmempool.go MsgMemPool.BtcEncode 100.00% (4/4)
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github.com/conformal/btcwire/msgpong.go MsgPong.MaxPayloadLength 100.00% (4/4)
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github.com/conformal/btcwire/shahash.go ShaHash.String 100.00% (4/4)
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github.com/conformal/btcwire/netaddress.go maxNetAddressPayload 100.00% (4/4)
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github.com/conformal/btcwire/invvect.go writeInvVect 100.00% (4/4)
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github.com/conformal/btcwire/shahash.go ShaHash.String 100.00% (4/4)
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github.com/conformal/btcwire/invvect.go readInvVect 100.00% (4/4)
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github.com/conformal/btcwire/msgping.go MsgPing.MaxPayloadLength 100.00% (4/4)
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github.com/conformal/btcwire/msgversion.go MsgVersion.HasService 100.00% (3/3)
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github.com/conformal/btcwire/msgblock.go MsgBlock.AddTransaction 100.00% (3/3)
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github.com/conformal/btcwire/invvect.go InvType.String 100.00% (3/3)
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github.com/conformal/btcwire/invvect.go writeInvVect 100.00% (4/4)
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github.com/conformal/btcwire/msgaddr.go MsgAddr.MaxPayloadLength 100.00% (3/3)
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github.com/conformal/btcwire/error.go MessageError.Error 100.00% (3/3)
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github.com/conformal/btcwire/shahash.go ShaHash.Bytes 100.00% (3/3)
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github.com/conformal/btcwire/msgblock.go MsgBlock.AddTransaction 100.00% (3/3)
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github.com/conformal/btcwire/msgversion.go MsgVersion.HasService 100.00% (3/3)
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github.com/conformal/btcwire/invvect.go InvType.String 100.00% (3/3)
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github.com/conformal/btcwire/netaddress.go NetAddress.HasService 100.00% (3/3)
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github.com/conformal/btcwire/msgaddr.go MsgAddr.MaxPayloadLength 100.00% (3/3)
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github.com/conformal/btcwire/netaddress.go NetAddress.SetAddress 100.00% (2/2)
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github.com/conformal/btcwire/netaddress.go NewNetAddressIPPort 100.00% (2/2)
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github.com/conformal/btcwire/msgblock.go MsgBlock.ClearTransactions 100.00% (2/2)
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github.com/conformal/btcwire/netaddress.go NewNetAddressIPPort 100.00% (2/2)
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github.com/conformal/btcwire/netaddress.go NetAddress.SetAddress 100.00% (2/2)
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github.com/conformal/btcwire/msggetblocks.go MsgGetBlocks.Command 100.00% (1/1)
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github.com/conformal/btcwire/blockheader.go NewBlockHeader 100.00% (1/1)
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github.com/conformal/btcwire/common.go RandomUint64 100.00% (1/1)
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@ -156,7 +158,5 @@ github.com/conformal/btcwire/msgversion.go NewMsgVersion 100.00% (1/1)
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github.com/conformal/btcwire/netaddress.go NetAddress.AddService 100.00% (1/1)
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github.com/conformal/btcwire/shahash.go ShaHash.IsEqual 100.00% (1/1)
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github.com/conformal/btcwire/invvect.go NewInvVect 100.00% (1/1)
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github.com/conformal/btcwire/common.go writeElement 96.77% (60/62)
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github.com/conformal/btcwire/common.go readElement 96.72% (59/61)
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github.com/conformal/btcwire --------------------------------- 99.64% (1120/1124)
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github.com/conformal/btcwire --------------------------------- 100.00% (1123/1123)
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