mirror of
https://github.com/nspcc-dev/neo-go.git
synced 2024-10-16 23:46:26 +00:00
280 lines
14 KiB
Go
280 lines
14 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/util"
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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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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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Header: Header{
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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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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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"6fcc0c48c5d1b28bb5c2effa1e5b7bb054d22a8c30d409a6a7a3527845229056": 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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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: "6fcc0c48c5d1b28bb5c2effa1e5b7bb054d22a8c30d409a6a7a3527845229056", 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, "53b3d970ccb235bef785633817f2a947f63bac1f7fa23103f7d080a53f0361f4", 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, 1556, 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{Header: Header{Index: 1}}
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b2 := Block{Header: Header{Index: 2}}
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b3 := Block{Header: Header{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, MaxTransactionsPerBlock+1)
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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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func TestGetExpectedBlockSize(t *testing.T) {
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check := func(t *testing.T, stateRootEnabled bool) {
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t.Run("without transactions", func(t *testing.T) {
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b := newDumbBlock()
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b.StateRootEnabled = stateRootEnabled
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b.Transactions = []*transaction.Transaction{}
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require.Equal(t, io.GetVarSize(b), b.GetExpectedBlockSize())
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require.Equal(t, io.GetVarSize(b), b.GetExpectedBlockSizeWithoutTransactions(0))
|
|
})
|
|
t.Run("with one transaction", func(t *testing.T) {
|
|
b := newDumbBlock()
|
|
b.StateRootEnabled = stateRootEnabled
|
|
expected := io.GetVarSize(b)
|
|
require.Equal(t, expected, b.GetExpectedBlockSize())
|
|
require.Equal(t, expected-b.Transactions[0].Size(), b.GetExpectedBlockSizeWithoutTransactions(len(b.Transactions)))
|
|
})
|
|
t.Run("with multiple transactions", func(t *testing.T) {
|
|
b := newDumbBlock()
|
|
b.StateRootEnabled = stateRootEnabled
|
|
b.Transactions = make([]*transaction.Transaction, 123)
|
|
for i := range b.Transactions {
|
|
tx := transaction.New(netmode.UnitTestNet, []byte{byte(opcode.RET)}, int64(i))
|
|
tx.Signers = []transaction.Signer{{Account: util.Uint160{1, 2, 3}}}
|
|
tx.Scripts = []transaction.Witness{{}}
|
|
b.Transactions[i] = tx
|
|
}
|
|
expected := io.GetVarSize(b)
|
|
require.Equal(t, expected, b.GetExpectedBlockSize())
|
|
for _, tx := range b.Transactions {
|
|
expected -= tx.Size()
|
|
}
|
|
require.Equal(t, expected, b.GetExpectedBlockSizeWithoutTransactions(len(b.Transactions)))
|
|
})
|
|
}
|
|
t.Run("StateRoot enabled", func(t *testing.T) {
|
|
check(t, true)
|
|
})
|
|
t.Run("StateRoot disabled", func(t *testing.T) {
|
|
check(t, false)
|
|
})
|
|
}
|