109 lines
2.9 KiB
Go
109 lines
2.9 KiB
Go
// Copyright (c) 2014 Conformal Systems LLC.
|
|
// Use of this source code is governed by an ISC
|
|
// license that can be found in the LICENSE file.
|
|
|
|
package btcwire_test
|
|
|
|
import (
|
|
"bytes"
|
|
"crypto/rand"
|
|
"github.com/conformal/btcwire"
|
|
"testing"
|
|
)
|
|
|
|
// TestMerkleBlock tests the MsgMerkleBlock API.
|
|
func TestMerkleBlock(t *testing.T) {
|
|
pver := btcwire.ProtocolVersion
|
|
pverOld := btcwire.BIP0037Version - 1
|
|
|
|
// Block 1 header.
|
|
prevHash := &blockOne.Header.PrevBlock
|
|
merkleHash := &blockOne.Header.MerkleRoot
|
|
bits := blockOne.Header.Bits
|
|
nonce := blockOne.Header.Nonce
|
|
bh := btcwire.NewBlockHeader(prevHash, merkleHash, bits, nonce)
|
|
|
|
// Ensure the command is expected value.
|
|
wantCmd := "merkleblock"
|
|
msg := btcwire.NewMsgMerkleBlock(bh)
|
|
if cmd := msg.Command(); cmd != wantCmd {
|
|
t.Errorf("NewMsgBlock: wrong command - got %v want %v",
|
|
cmd, wantCmd)
|
|
}
|
|
|
|
// Ensure max payload is expected value for latest protocol version.
|
|
// Num addresses (varInt) + max allowed addresses.
|
|
wantPayload := uint32(1000000)
|
|
maxPayload := msg.MaxPayloadLength(pver)
|
|
if maxPayload != wantPayload {
|
|
t.Errorf("MaxPayloadLength: wrong max payload length for "+
|
|
"protocol version %d - got %v, want %v", pver,
|
|
maxPayload, wantPayload)
|
|
}
|
|
|
|
// Load maxTxPerBlock hashes
|
|
data := make([]byte, 32)
|
|
for i := 0; i < (btcwire.MaxBlockPayload/10)+1; i++ {
|
|
rand.Read(data)
|
|
hash, err := btcwire.NewShaHash(data)
|
|
if err != nil {
|
|
t.Errorf("NewShaHash failed: %v\n", err)
|
|
return
|
|
}
|
|
|
|
if err = msg.AddTxHash(hash); err != nil {
|
|
t.Errorf("AddTxHash failed: %v\n", err)
|
|
return
|
|
}
|
|
}
|
|
|
|
// Add one more Tx to test failure
|
|
rand.Read(data)
|
|
hash, err := btcwire.NewShaHash(data)
|
|
if err != nil {
|
|
t.Errorf("NewShaHash failed: %v\n", err)
|
|
return
|
|
}
|
|
|
|
if err = msg.AddTxHash(hash); err == nil {
|
|
t.Errorf("AddTxHash succeeded when it should have failed")
|
|
return
|
|
}
|
|
|
|
// Test encode with latest protocol version.
|
|
var buf bytes.Buffer
|
|
err = msg.BtcEncode(&buf, pver)
|
|
if err != nil {
|
|
t.Errorf("encode of MsgMerkleBlock failed %v err <%v>", msg, err)
|
|
}
|
|
|
|
// Test encode with old protocol version.
|
|
if err = msg.BtcEncode(&buf, pverOld); err == nil {
|
|
t.Errorf("encode of MsgMerkleBlock succeeded with old protocol " +
|
|
"version when it should have failed")
|
|
return
|
|
}
|
|
|
|
// Test decode with latest protocol version.
|
|
readmsg := btcwire.MsgMerkleBlock{}
|
|
err = readmsg.BtcDecode(&buf, pver)
|
|
if err != nil {
|
|
t.Errorf("decode of MsgMerkleBlock failed [%v] err <%v>", buf, err)
|
|
}
|
|
|
|
// Test decode with old protocol version.
|
|
if err = readmsg.BtcDecode(&buf, pverOld); err == nil {
|
|
t.Errorf("decode of MsgMerkleBlock successed with old protocol " +
|
|
"version when it should have failed")
|
|
return
|
|
}
|
|
|
|
// Force extra hash to test maxTxPerBlock
|
|
msg.Hashes = append(msg.Hashes, hash)
|
|
err = msg.BtcEncode(&buf, pver)
|
|
if err == nil {
|
|
t.Errorf("encode of MsgMerkleBlock succeeded with too many tx hashes " +
|
|
"when it should have failed")
|
|
return
|
|
}
|
|
}
|