mirror of
https://github.com/FlipsideCrypto/dcrd.git
synced 2026-02-06 10:56:47 +00:00
371 lines
11 KiB
Go
371 lines
11 KiB
Go
// Copyright (c) 2013-2015 The btcsuite developers
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// Copyright (c) 2015 The Decred developers
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// Use of this source code is governed by an ISC
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// license that can be found in the LICENSE file.
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package wire_test
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import (
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"bytes"
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"encoding/hex"
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"reflect"
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"testing"
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"time"
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"github.com/davecgh/go-spew/spew"
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"github.com/decred/dcrd/chaincfg/chainhash"
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"github.com/decred/dcrd/wire"
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)
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// TestBlockHeader tests the BlockHeader API.
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func TestBlockHeader(t *testing.T) {
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nonce64, err := wire.RandomUint64()
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if err != nil {
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t.Errorf("RandomUint64: Error generating nonce: %v", err)
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}
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nonce := uint32(nonce64)
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hash := mainNetGenesisHash
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merkleHash := mainNetGenesisMerkleRoot
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votebits := uint16(0x0000)
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bits := uint32(0x1d00ffff)
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finalState := [6]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00}
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voters := uint16(0x0000)
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freshstake := uint8(0x00)
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revocations := uint8(0x00)
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poolsize := uint32(0)
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sbits := int64(0x0000000000000000)
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blockHeight := uint32(0)
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blockSize := uint32(0)
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extraData := [36]byte{}
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bh := wire.NewBlockHeader(
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1, // verision
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&hash,
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&merkleHash,
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&merkleHash, // stakeRoot
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votebits,
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finalState,
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voters,
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freshstake,
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revocations,
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poolsize,
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bits,
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sbits,
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blockHeight,
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blockSize,
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nonce,
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extraData,
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)
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// Ensure we get the same data back out.
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if !bh.PrevBlock.IsEqual(&hash) {
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t.Errorf("NewBlockHeader: wrong prev hash - got %v, want %v",
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spew.Sprint(bh.PrevBlock), spew.Sprint(hash))
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}
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if !bh.MerkleRoot.IsEqual(&merkleHash) {
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t.Errorf("NewBlockHeader: wrong merkle root - got %v, want %v",
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spew.Sprint(bh.MerkleRoot), spew.Sprint(merkleHash))
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}
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if !bh.StakeRoot.IsEqual(&merkleHash) {
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t.Errorf("NewBlockHeader: wrong merkle root - got %v, want %v",
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spew.Sprint(bh.MerkleRoot), spew.Sprint(merkleHash))
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}
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if bh.VoteBits != votebits {
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t.Errorf("NewBlockHeader: wrong bits - got %v, want %v",
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bh.Bits, bits)
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}
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if bh.FinalState != finalState {
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t.Errorf("NewBlockHeader: wrong bits - got %v, want %v",
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bh.Bits, bits)
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}
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if bh.Voters != voters {
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t.Errorf("NewBlockHeader: wrong bits - got %v, want %v",
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bh.Bits, bits)
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}
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if bh.FreshStake != freshstake {
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t.Errorf("NewBlockHeader: wrong bits - got %v, want %v",
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bh.Bits, bits)
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}
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if bh.Revocations != revocations {
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t.Errorf("NewBlockHeader: wrong bits - got %v, want %v",
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bh.Bits, bits)
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}
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if bh.PoolSize != poolsize {
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t.Errorf("NewBlockHeader: wrong PoolSize - got %v, want %v",
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bh.PoolSize, poolsize)
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}
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if bh.Bits != bits {
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t.Errorf("NewBlockHeader: wrong bits - got %v, want %v",
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bh.Bits, bits)
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}
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if bh.SBits != sbits {
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t.Errorf("NewBlockHeader: wrong bits - got %v, want %v",
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bh.Bits, bits)
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}
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if bh.Nonce != nonce {
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t.Errorf("NewBlockHeader: wrong nonce - got %v, want %v",
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bh.Nonce, nonce)
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}
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}
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// TestBlockHeaderWire tests the BlockHeader wire encode and decode for various
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// protocol versions.
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func TestBlockHeaderWire(t *testing.T) {
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nonce := uint32(123123) // 0x1e0f3
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/*bh := dcrwire.NewBlockHeader(
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&hash,
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&merkleHash,
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&merkleHash, // stakeRoot
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votebits,
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winner,
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overflow,
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voters,
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freshstake,
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revocations,
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bits,
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sbits,
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nonce,
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height,
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size)*/
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// baseBlockHdr is used in the various tests as a baseline BlockHeader.
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bits := uint32(0x1d00ffff)
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baseBlockHdr := &wire.BlockHeader{
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Version: 1,
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PrevBlock: mainNetGenesisHash,
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MerkleRoot: mainNetGenesisMerkleRoot,
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StakeRoot: mainNetGenesisMerkleRoot,
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VoteBits: uint16(0x0000),
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FinalState: [6]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
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Voters: uint16(0x0000),
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FreshStake: uint8(0x00),
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Revocations: uint8(0x00),
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PoolSize: uint32(0x00000000),
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Timestamp: time.Unix(0x495fab29, 0), // 2009-01-03 12:15:05 -0600 CST
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Bits: bits,
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SBits: int64(0x0000000000000000),
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Nonce: nonce,
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Height: uint32(0),
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Size: uint32(0),
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}
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// baseBlockHdrEncoded is the wire encoded bytes of baseBlockHdr.
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baseBlockHdrEncoded := []byte{
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0x01, 0x00, 0x00, 0x00, // Version 1
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0x6f, 0xe2, 0x8c, 0x0a, 0xb6, 0xf1, 0xb3, 0x72,
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0xc1, 0xa6, 0xa2, 0x46, 0xae, 0x63, 0xf7, 0x4f,
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0x93, 0x1e, 0x83, 0x65, 0xe1, 0x5a, 0x08, 0x9c,
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0x68, 0xd6, 0x19, 0x00, 0x00, 0x00, 0x00, 0x00, // PrevBlock
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0x3b, 0xa3, 0xed, 0xfd, 0x7a, 0x7b, 0x12, 0xb2,
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0x7a, 0xc7, 0x2c, 0x3e, 0x67, 0x76, 0x8f, 0x61,
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0x7f, 0xc8, 0x1b, 0xc3, 0x88, 0x8a, 0x51, 0x32,
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0x3a, 0x9f, 0xb8, 0xaa, 0x4b, 0x1e, 0x5e, 0x4a, // MerkleRoot
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0x3b, 0xa3, 0xed, 0xfd, 0x7a, 0x7b, 0x12, 0xb2,
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0x7a, 0xc7, 0x2c, 0x3e, 0x67, 0x76, 0x8f, 0x61,
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0x7f, 0xc8, 0x1b, 0xc3, 0x88, 0x8a, 0x51, 0x32,
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0x3a, 0x9f, 0xb8, 0xaa, 0x4b, 0x1e, 0x5e, 0x4a, // StakeRoot
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0x00, 0x00, // VoteBits
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // FinalState
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0x00, 0x00, // Voters
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0x00, // FreshStake
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0x00, // Revocations
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0x00, 0x00, 0x00, 0x00, //Poolsize
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0xff, 0xff, 0x00, 0x1d, // Bits
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // SBits
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0x00, 0x00, 0x00, 0x00, // Height
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0x00, 0x00, 0x00, 0x00, // Size
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0x29, 0xab, 0x5f, 0x49, // Timestamp
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0xf3, 0xe0, 0x01, 0x00, // Nonce
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // ExtraData
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00,
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}
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tests := []struct {
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in *wire.BlockHeader // Data to encode
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out *wire.BlockHeader // Expected decoded data
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buf []byte // Wire encoding
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pver uint32 // Protocol version for wire encoding
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}{
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// Latest protocol version.
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{
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baseBlockHdr,
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baseBlockHdr,
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baseBlockHdrEncoded,
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wire.ProtocolVersion,
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},
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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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// Former test (doesn't work because of capacity error)
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var buf bytes.Buffer
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err := wire.TstWriteBlockHeader(&buf, test.pver, test.in)
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if err != nil {
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t.Errorf("writeBlockHeader #%d error %v", i, err)
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continue
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}
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if !bytes.Equal(buf.Bytes(), test.buf) {
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t.Errorf("writeBlockHeader #%d\n got: %s want: %s", i,
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spew.Sdump(buf.Bytes()), spew.Sdump(test.buf))
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continue
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}
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b, err := wire.TstBytesBlockHeader(test.in)
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if err != nil {
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t.Errorf("writeBlockHeader #%d error %v", i, err)
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continue
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}
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if !bytes.Equal(b, test.buf) {
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t.Errorf("writeBlockHeader #%d\n got: %s want: %s", i,
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spew.Sdump(b), spew.Sdump(test.buf))
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continue
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}
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// Decode the block header from wire format.
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var bh wire.BlockHeader
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rbuf := bytes.NewReader(test.buf)
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err = wire.TstReadBlockHeader(rbuf, test.pver, &bh)
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if err != nil {
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t.Errorf("readBlockHeader #%d error %v", i, err)
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continue
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}
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if !reflect.DeepEqual(&bh, test.out) {
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t.Errorf("readBlockHeader #%d\n got: %s want: %s", i,
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spew.Sdump(&bh), spew.Sdump(test.out))
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continue
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}
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}
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}
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// TestBlockHeaderSerialize tests BlockHeader serialize and deserialize.
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func TestBlockHeaderSerialize(t *testing.T) {
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nonce := uint32(123123) // 0x1e0f3
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// baseBlockHdr is used in the various tests as a baseline BlockHeader.
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bits := uint32(0x1d00ffff)
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baseBlockHdr := &wire.BlockHeader{
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Version: 1,
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PrevBlock: mainNetGenesisHash,
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MerkleRoot: mainNetGenesisMerkleRoot,
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StakeRoot: mainNetGenesisMerkleRoot,
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VoteBits: uint16(0x0000),
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FinalState: [6]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
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Voters: uint16(0x0000),
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FreshStake: uint8(0x00),
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Revocations: uint8(0x00),
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Timestamp: time.Unix(0x495fab29, 0), // 2009-01-03 12:15:05 -0600 CST
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Bits: bits,
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SBits: int64(0x0000000000000000),
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Nonce: nonce,
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Height: uint32(0),
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Size: uint32(0),
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}
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// baseBlockHdrEncoded is the wire encoded bytes of baseBlockHdr.
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baseBlockHdrEncoded := []byte{
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0x01, 0x00, 0x00, 0x00, // Version 1
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0x6f, 0xe2, 0x8c, 0x0a, 0xb6, 0xf1, 0xb3, 0x72,
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0xc1, 0xa6, 0xa2, 0x46, 0xae, 0x63, 0xf7, 0x4f,
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0x93, 0x1e, 0x83, 0x65, 0xe1, 0x5a, 0x08, 0x9c,
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0x68, 0xd6, 0x19, 0x00, 0x00, 0x00, 0x00, 0x00, // PrevBlock
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0x3b, 0xa3, 0xed, 0xfd, 0x7a, 0x7b, 0x12, 0xb2,
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0x7a, 0xc7, 0x2c, 0x3e, 0x67, 0x76, 0x8f, 0x61,
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0x7f, 0xc8, 0x1b, 0xc3, 0x88, 0x8a, 0x51, 0x32,
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0x3a, 0x9f, 0xb8, 0xaa, 0x4b, 0x1e, 0x5e, 0x4a, // MerkleRoot
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0x3b, 0xa3, 0xed, 0xfd, 0x7a, 0x7b, 0x12, 0xb2,
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0x7a, 0xc7, 0x2c, 0x3e, 0x67, 0x76, 0x8f, 0x61,
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0x7f, 0xc8, 0x1b, 0xc3, 0x88, 0x8a, 0x51, 0x32,
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0x3a, 0x9f, 0xb8, 0xaa, 0x4b, 0x1e, 0x5e, 0x4a, // StakeRoot
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0x00, 0x00, // VoteBits
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // FinalState
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0x00, 0x00, // Voters
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0x00, // FreshStake
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0x00, // Revocations
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0x00, 0x00, 0x00, 0x00, //Poolsize
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0xff, 0xff, 0x00, 0x1d, // Bits
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // SBits
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0x00, 0x00, 0x00, 0x00, // Height
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0x00, 0x00, 0x00, 0x00, // Size
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0x29, 0xab, 0x5f, 0x49, // Timestamp
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0xf3, 0xe0, 0x01, 0x00, // Nonce
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // ExtraData
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00,
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}
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tests := []struct {
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in *wire.BlockHeader // Data to encode
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out *wire.BlockHeader // Expected decoded data
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buf []byte // Serialized data
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}{
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{
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baseBlockHdr,
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baseBlockHdr,
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baseBlockHdrEncoded,
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},
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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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// Serialize the block header.
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var buf bytes.Buffer
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err := test.in.Serialize(&buf)
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if err != nil {
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t.Errorf("Serialize #%d error %v", i, err)
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continue
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}
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if !bytes.Equal(buf.Bytes(), test.buf) {
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t.Errorf("Serialize #%d\n got: %s want: %s", i,
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spew.Sdump(buf.Bytes()), spew.Sdump(test.buf))
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continue
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}
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// Deserialize the block header.
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var bh wire.BlockHeader
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rbuf := bytes.NewReader(test.buf)
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err = bh.Deserialize(rbuf)
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if err != nil {
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t.Errorf("Deserialize #%d error %v", i, err)
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continue
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}
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if !reflect.DeepEqual(&bh, test.out) {
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t.Errorf("Deserialize #%d\n got: %s want: %s", i,
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spew.Sdump(&bh), spew.Sdump(test.out))
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continue
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}
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}
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}
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func TestBlockHeaderHashing(t *testing.T) {
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dummyHeader := "0000000049e0b48ade043f729d60095ed92642d96096fe6aba42f2eda" +
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"632d461591a152267dc840ff27602ce1968a81eb30a43423517207617a0150b56c4f72" +
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"b803e497f00000000000000000000000000000000000000000000000000000000000000" +
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"00010000000000000000000000b7000000ffff7f20204e0000000000005800000060010" +
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"0008b990956000000000000000000000000000000000000000000000000000000000000" +
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"0000000000000000ABCD"
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// This hash has reversed endianness compared to what chainhash spits out.
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hashStr := "0d40d58703482d81d711be0ffc1b313788d3c3937e1617e4876661d33a8c4c41"
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hashB, _ := hex.DecodeString(hashStr)
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hash, _ := chainhash.NewHash(hashB)
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vecH, _ := hex.DecodeString(dummyHeader)
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r := bytes.NewReader(vecH)
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var bh wire.BlockHeader
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bh.Deserialize(r)
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hash2 := bh.BlockSha()
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if !hash2.IsEqual(hash) {
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t.Errorf("wrong block sha returned (want %v, got %v)",
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hash,
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hash2)
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}
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}
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