forked from TrueCloudLab/neoneo-go
245 lines
13 KiB
Go
245 lines
13 KiB
Go
package block
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import (
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"encoding/base64"
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"encoding/hex"
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"errors"
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"strings"
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"testing"
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"github.com/nspcc-dev/neo-go/internal/testserdes"
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"github.com/nspcc-dev/neo-go/pkg/config/netmode"
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"github.com/nspcc-dev/neo-go/pkg/core/transaction"
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"github.com/nspcc-dev/neo-go/pkg/crypto/hash"
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"github.com/nspcc-dev/neo-go/pkg/encoding/address"
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"github.com/nspcc-dev/neo-go/pkg/io"
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"github.com/nspcc-dev/neo-go/pkg/vm/opcode"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func trim0x(value interface{}) string {
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s := value.(string)
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return strings.TrimPrefix(s, "0x")
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}
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// Test blocks are blocks from testnet with their corresponding index.
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func TestDecodeBlock1(t *testing.T) {
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data, err := getBlockData(1)
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require.NoError(t, err)
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b, err := hex.DecodeString(data["raw"].(string))
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require.NoError(t, err)
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block := New(netmode.TestNet, false)
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assert.NoError(t, testserdes.DecodeBinary(b, block))
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assert.Equal(t, uint32(data["index"].(float64)), block.Index)
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assert.Equal(t, uint32(data["version"].(float64)), block.Version)
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assert.Equal(t, trim0x(data["hash"]), block.Hash().StringLE())
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assert.Equal(t, trim0x(data["previousblockhash"]), block.PrevHash.StringLE())
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assert.Equal(t, trim0x(data["merkleroot"]), block.MerkleRoot.StringLE())
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assert.Equal(t, trim0x(data["nextconsensus"]), address.Uint160ToString(block.NextConsensus))
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scripts := data["witnesses"].([]interface{})
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script := scripts[0].(map[string]interface{})
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assert.Equal(t, script["invocation"].(string), base64.StdEncoding.EncodeToString(block.Script.InvocationScript))
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assert.Equal(t, script["verification"].(string), base64.StdEncoding.EncodeToString(block.Script.VerificationScript))
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tx := data["tx"].([]interface{})
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tx0 := tx[0].(map[string]interface{})
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assert.Equal(t, len(tx), len(block.Transactions))
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assert.Equal(t, len(tx0["attributes"].([]interface{})), len(block.Transactions[0].Attributes))
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}
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func TestTrimmedBlock(t *testing.T) {
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block := getDecodedBlock(t, 1)
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b, err := block.Trim()
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require.NoError(t, err)
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trimmedBlock, err := NewBlockFromTrimmedBytes(netmode.TestNet, false, b)
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require.NoError(t, err)
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assert.True(t, trimmedBlock.Trimmed)
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assert.Equal(t, block.Version, trimmedBlock.Version)
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assert.Equal(t, block.PrevHash, trimmedBlock.PrevHash)
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assert.Equal(t, block.MerkleRoot, trimmedBlock.MerkleRoot)
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assert.Equal(t, block.Timestamp, trimmedBlock.Timestamp)
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assert.Equal(t, block.Index, trimmedBlock.Index)
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require.NoError(t, trimmedBlock.ConsensusData.createHash())
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assert.Equal(t, block.ConsensusData, trimmedBlock.ConsensusData)
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assert.Equal(t, block.NextConsensus, trimmedBlock.NextConsensus)
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assert.Equal(t, block.Script, trimmedBlock.Script)
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assert.Equal(t, len(block.Transactions), len(trimmedBlock.Transactions))
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for i := 0; i < len(block.Transactions); i++ {
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assert.Equal(t, block.Transactions[i].Hash(), trimmedBlock.Transactions[i].Hash())
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assert.True(t, trimmedBlock.Transactions[i].Trimmed)
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}
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}
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func newDumbBlock() *Block {
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return &Block{
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Base: Base{
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Version: 0,
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PrevHash: hash.Sha256([]byte("a")),
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MerkleRoot: hash.Sha256([]byte("b")),
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Timestamp: 100500,
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Index: 1,
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NextConsensus: hash.Hash160([]byte("a")),
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Script: transaction.Witness{
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VerificationScript: []byte{0x51}, // PUSH1
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InvocationScript: []byte{0x61}, // NOP
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},
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},
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ConsensusData: ConsensusData{
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PrimaryIndex: 0,
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Nonce: 1111,
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},
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Transactions: []*transaction.Transaction{
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transaction.New(netmode.UnitTestNet, []byte{byte(opcode.PUSH1)}, 0),
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},
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}
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}
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func TestHashBlockEqualsHashHeader(t *testing.T) {
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block := newDumbBlock()
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assert.Equal(t, block.Hash(), block.Header().Hash())
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}
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func TestBinBlockDecodeEncode(t *testing.T) {
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// block taken from testnet: 256
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rawblock := "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"
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rawblockBytes, _ := base64.StdEncoding.DecodeString(rawblock)
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b := New(netmode.TestNet, false)
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assert.NoError(t, testserdes.DecodeBinary(rawblockBytes, b))
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expected := map[string]bool{ // 1 trans
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"affad44bb6acacabc058db0bf1e12ab1239ae5e04007b4d4a2ea0cda868e284a": false,
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}
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var hashes []string
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for _, tx := range b.Transactions {
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hashes = append(hashes, tx.Hash().StringLE())
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}
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assert.Equal(t, len(expected), len(hashes))
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// changes value in map to true, if hash found
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for _, hash := range hashes {
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expected[hash] = true
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}
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// iterate map; all vlaues should be true
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val := true
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for _, v := range expected {
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if v == false {
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val = false
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}
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}
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assert.Equal(t, true, val)
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data, err := testserdes.EncodeBinary(b)
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assert.NoError(t, err)
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assert.Equal(t, rawblock, base64.StdEncoding.EncodeToString(data))
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// update hidden hash value.
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_ = b.ConsensusData.Hash()
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testserdes.MarshalUnmarshalJSON(t, b, New(netmode.TestNet, false))
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}
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func TestBlockSizeCalculation(t *testing.T) {
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// block taken from testnet at height 256: 51ee44e12cdc1d3041a50d352063127fa65d86670686f14cc08f01b3cee7de17
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// The Size in golang is given by counting the number of bytes of an object. (len(Bytes))
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// its implementation is different from the corresponding C# and python implementations. But the result should
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// should be the same.In this test we provide more details then necessary because in case of failure we can easily debug the
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// root cause of the size calculation missmatch.
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rawBlock := "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"
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rawBlockBytes, _ := base64.StdEncoding.DecodeString(rawBlock)
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b := New(netmode.TestNet, false)
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assert.NoError(t, testserdes.DecodeBinary(rawBlockBytes, b))
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expected := []struct {
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ID string
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Size int
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Version int
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SignersLen int
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AttributesLen int
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WitnessesLen int
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}{ // 1 trans
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{ID: "affad44bb6acacabc058db0bf1e12ab1239ae5e04007b4d4a2ea0cda868e284a", Size: 864, Version: 0, SignersLen: 2, AttributesLen: 0, WitnessesLen: 2},
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}
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for i, tx := range b.Transactions {
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txID := tx.Hash()
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assert.Equal(t, expected[i].ID, txID.StringLE())
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assert.Equal(t, expected[i].Size, io.GetVarSize(tx))
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assert.Equal(t, expected[i].Version, int(tx.Version))
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assert.Equal(t, expected[i].SignersLen, len(tx.Signers))
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assert.Equal(t, expected[i].AttributesLen, len(tx.Attributes))
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assert.Equal(t, expected[i].WitnessesLen, len(tx.Scripts))
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}
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assert.Equal(t, len(expected), len(b.Transactions))
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// Block specific tests
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assert.Equal(t, 0, int(b.Version))
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assert.Equal(t, "fd2b68ac95461aa8ecd9ce7817bc0dea12985fc5ca52cfb5c39426e4071c1952", b.PrevHash.StringLE())
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assert.Equal(t, "0a4ce89ab8b057ff5f3b421f5c85d3a90db9e613c020b9916096fb5282f719a9", b.MerkleRoot.StringLE())
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assert.Equal(t, 1612366104874, int(b.Timestamp))
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assert.Equal(t, 256, int(b.Index))
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nextConsensus := address.Uint160ToString(b.NextConsensus)
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assert.Equal(t, "NgPkjjLTNcQad99iRYeXRUuowE4gxLAnDL", nextConsensus)
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assert.Equal(t, "DEAZyIVwKWzpgvm8bSzWuVF1awS0QBguORR682YoVfkJ05KGG7pz9OsLBZ9/F1BHO7TCIcEcc8Sr9AcqbonrSRoCDEDhhZnqTUi8tXYbrTBrVj8i9Yxl8NraAMID4DJryWdD6u42OzAHr0of27qc5nojujhLffBfljuBSyQpyeQcUOpyDEAZr7sLz6n4TgNApkwATGXiP/DZ8AummAGDtznrW6Y8XWHngB7F0j3NKvUQ7lyRt11rT+zNjz5R5vIbBrs8C2ktDEDgNW0xGP/OB8CRHXX/l/+0tPO3drkyCddpG9PKCgyd4oEhQu8cwbSv4Q0V1Y0dZcJBoxUB5Qus/U+Xli7jb6OJDEADaXZxdEb56jlYhF4oM8I8KnthEzGw1Q7pfeI97fehTm78ZOJXWIxESThZzI3D2ndVz0Rcdr5MeA/espG6J2ao", base64.StdEncoding.EncodeToString(b.Script.InvocationScript))
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assert.Equal(t, "FQwhAwCbdUDhDyVi5f2PrJ6uwlFmpYsm5BI0j/WoaSe/rCKiDCEDAgXpzvrqWh38WAryDI1aokaLsBSPGl5GBfxiLIDmBLoMIQIUuvDO6jpm8X5+HoOeol/YvtbNgua7bmglAYkGX0T/AQwhAj6bMuqJuU0GbmSbEk/VDjlu6RNp6OKmrhsRwXDQIiVtDCEDQI3NQWOW9keDrFh+oeFZPFfZ/qiAyKahkg6SollHeAYMIQKng0vpsy4pgdFXy1u9OstCz9EepcOxAiTXpE6YxZEPGwwhAroscPWZbzV6QxmHBYWfriz+oT4RcpYoAHcrPViKnUq9FwtBE43vrw==", base64.StdEncoding.EncodeToString(b.Script.VerificationScript))
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assert.Equal(t, "51ee44e12cdc1d3041a50d352063127fa65d86670686f14cc08f01b3cee7de17", b.Hash().StringLE())
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benc, err := testserdes.EncodeBinary(b)
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assert.NoError(t, err)
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// test size of the block
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assert.Equal(t, 1564, len(benc))
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assert.Equal(t, rawBlock, base64.StdEncoding.EncodeToString(benc))
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}
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func TestBlockCompare(t *testing.T) {
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b1 := Block{Base: Base{Index: 1}}
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b2 := Block{Base: Base{Index: 2}}
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b3 := Block{Base: Base{Index: 3}}
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assert.Equal(t, 1, b2.Compare(&b1))
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assert.Equal(t, 0, b2.Compare(&b2))
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assert.Equal(t, -1, b2.Compare(&b3))
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}
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func TestBlockEncodeDecode(t *testing.T) {
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t.Run("positive", func(t *testing.T) {
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b := newDumbBlock()
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b.Transactions = []*transaction.Transaction{}
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_ = b.Hash()
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testserdes.EncodeDecodeBinary(t, b, new(Block))
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})
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t.Run("bad contents count", func(t *testing.T) {
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b := newDumbBlock()
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b.Transactions = make([]*transaction.Transaction, MaxContentsPerBlock)
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for i := range b.Transactions {
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b.Transactions[i] = &transaction.Transaction{
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Script: []byte("my_pretty_script"),
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}
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}
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_ = b.Hash()
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data, err := testserdes.EncodeBinary(b)
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require.NoError(t, err)
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require.True(t, errors.Is(testserdes.DecodeBinary(data, new(Block)), ErrMaxContentsPerBlock))
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})
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}
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