433275265f
This is just a much better way to do the same thing. Inspired by nspcc-dev/neofs-sdk-go#407. Signed-off-by: Roman Khimov <roman@nspcc.ru>
282 lines
15 KiB
Go
282 lines
15 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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"encoding/json"
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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/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 any) 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 indices.
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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(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"].([]any)
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script := scripts[0].(map[string]any)
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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"].([]any)
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tx0 := tx[0].(map[string]any)
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assert.Equal(t, len(tx), len(block.Transactions))
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assert.Equal(t, len(tx0["attributes"].([]any)), 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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buf := io.NewBufBinWriter()
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block.EncodeTrimmed(buf.BinWriter)
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require.NoError(t, buf.Err)
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r := io.NewBinReaderFromBuf(buf.Bytes())
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trimmedBlock, err := NewTrimmedFromReader(false, r)
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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([]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 with two transfer transactions taken from C# privnet
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rawblock := "AAAAAAwIVa2D6Yha3tArd5XnwkAf7deJBsdyyvpYb2xMZGBbkOUNHAsfre0rKA/F+Ox05/bQSXmcRZnzK3M6Z+/TxJUh0MNFeAEAAAAAAAAAAAAAAQAAAADe7nnBifMAmLC6ai65CzqSWKbH/wHGDEDgwCcXkcaFw5MGOp1cpkgApzDTX2/RxKlmPeXTgWYtfEA8g9svUSbZA4TeoGyWvX8LiN0tJKrzajdMGvTVGqVmDEDp6PBmZmRx9CxswtLht6oWa2Uq4rl5diPsLtqXZeZepMlxUSbaCdlFTB7iWQG9yKXWR5hc0sScevvuVwwsUYdlDEDwlhwZrP07E5fEQKttVMYAiL7edd/eW2yoMGZe6Q95g7yXQ69edVHfQb61fBw3DjCpMDZ5lsxp3BgzXglJwMSKkxMMIQIQOn990BZVhZf3lg0nxRakOU/ZaLnmUVXrSwE+QEBAbgwhAqe8Vf6GhOARl2jRBLoweVvcyGYZ6GSt0mFWcj7Rhc1iDCECs2Ir9AF73+MXxYrtX0x1PyBrfbiWBG+n13S7xL9/jcIMIQPZDAffY+aQzneRLhCrUazJRLZoYCN7YIxPj4MJ5x7mmRRBe85spQIAWNC7C8DYpwAAAAAAIKpEAAAAAADoAwAAAd7uecGJ8wCYsLpqLrkLOpJYpsf/AQBbCwIA4fUFDBSAzse29bVvUFePc38WLTqxTUZlDQwU3u55wYnzAJiwumouuQs6klimx/8UwB8MCHRyYW5zZmVyDBT1Y+pAvCg9TQ4FxI6jBbPyoHNA70FifVtSOQHGDEC4UIzT61GYPx0LdksrF6C2ioYai6fbwpjv3BGAqiyagxiomYGZRLeXZyD67O5FJ86pXRFtSbVYu2YDG+T5ICIgDEDzm/wl+BnHvQXaHQ1rGLtdUMc41wN6I48kPPM7F23gL9sVxGziQIMRLnpTbWHrnzaU9Sy0fXkvIrdJy1KABkSQDEDBwuBuVK+nsZvn1oAscPj6d3FJiUGK9xiHpX9Ipp/5jTnXRBAyzyGc8IZMBVql4WS8kwFe6ojA/9BvFb5eWXnEkxMMIQIQOn990BZVhZf3lg0nxRakOU/ZaLnmUVXrSwE+QEBAbgwhAqe8Vf6GhOARl2jRBLoweVvcyGYZ6GSt0mFWcj7Rhc1iDCECs2Ir9AF73+MXxYrtX0x1PyBrfbiWBG+n13S7xL9/jcIMIQPZDAffY+aQzneRLhCrUazJRLZoYCN7YIxPj4MJ5x7mmRRBe85spQDYJLwZwNinAAAAAAAgqkQAAAAAAOgDAAAB3u55wYnzAJiwumouuQs6klimx/8BAF8LAwBA2d2ITQoADBSAzse29bVvUFePc38WLTqxTUZlDQwU3u55wYnzAJiwumouuQs6klimx/8UwB8MCHRyYW5zZmVyDBTPduKL0AYsSkeO41VhARMZ88+k0kFifVtSOQHGDEDWn0D7z2ELqpN8ghcM/PtfFwo56/BfEasfHuSKECJMYxvU47r2ZtSihg59lGxSZzHsvxTy6nsyvJ22ycNhINdJDECl61cg937N/HujKsLMu2wJMS7C54bzJ3q22Czqllvw3Yp809USgKDs+W+3QD7rI+SFs0OhIn0gooCUU6f/13WjDEDr9XdeT5CGTO8CL0JigzcTcucs0GBcqHs8fToO6zPuuCfS7Wh6dyxSCijT4A4S+7BUdW3dsO7828ke1fj8oNxmkxMMIQIQOn990BZVhZf3lg0nxRakOU/ZaLnmUVXrSwE+QEBAbgwhAqe8Vf6GhOARl2jRBLoweVvcyGYZ6GSt0mFWcj7Rhc1iDCECs2Ir9AF73+MXxYrtX0x1PyBrfbiWBG+n13S7xL9/jcIMIQPZDAffY+aQzneRLhCrUazJRLZoYCN7YIxPj4MJ5x7mmRRBe85spQ=="
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rawblockBytes, _ := base64.StdEncoding.DecodeString(rawblock)
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b := New(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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"5a30127b16a628de6aa6823418d76214b97a0fc6db865024d3d2c6e939ce3433": false,
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"25426643feed564cd3e57f346d6c68692f5622b3063da11c5572d99ee1a5b49a": 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 is 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 values 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(false))
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}
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func TestJSONEmptyTx(t *testing.T) {
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jblock := `{"hash":"0x5f3fbb43d1e516fe07771e2e873ebc9e2810662401acf603a775aace486220bd","version":0,"previousblockhash":"0x1f4d1defa46faa5e7b9b8d3f79a06bec777d7c26c4aa5f6f5899a291daa87c15","merkleroot":"0x0000000000000000000000000000000000000000000000000000000000000000","time":1627894840919,"nonce":"BA8E021F1AEEA3F6","index":1,"nextconsensus":"NVg7LjGcUSrgxgjX3zEgqaksfMaiS8Z6e1","primary":0,"witnesses":[{"invocation":"DEAq7W/jUhpMon1t9muqXKfBvNyGwLfFFM1vAxrMKvUl6MqK+LL/lJAJP9uAk/cberIWWhSsdcxUtltkBLemg/VuDECQZGuvP93JlZga2ml8cnbe5cNiGgO0EMrbGYyzvgr8calP5SwMNPSYms10gIHxlsuXDU++EQpZu/vKxfHoxdC5DEDgsA3POVZdfN+i5+ekvtsaIvif42n0GC+dZi3Rp37ETmt4NtkoK2I2UXi+WIjm5yXLJsPhAvEV6cJSrvqBdsQBDEDTS6NU+kB+tgeBe9lWv+6y0L2qcUBIaUxiTCaNWZtLPghQICBvjDz1/9ttJRXG3I5N9CFDjjLKCpdIY842HW4/DEC+wlWjkCzVqzKslvpCKZbEPUGIf87CFAD88xqzl26m/TpTUcT0+D5oI2bVzAk0mcdBTPnyjcNbv17BFmr63+09","verification":"FQwhAkhv0VcCxEkKJnAxEqXMHQkj/Wl6M0Br1aHADgATsJpwDCECTHt/tsMQ/M8bozsIJRnYKWTqk4aNZ2Zi1KWa1UjfDn0MIQKq7DhHD2qtAELG6HfP2Ah9Jnaw9Rb93TYoAbm9OTY5ngwhA7IJ/U9TpxcOpERODLCmu2pTwr0BaSaYnPhfmw+6F6cMDCEDuNnVdx2PUTqghpucyNUJhkA7eMbaNokGOMPUalrc4EoMIQLKDidpe5wkj28W4IX9AGHib0TahbWO6DXBEMql7DulVAwhAt9I9g6PPgHEj/QLm38TENeosqGTGIvv4cLj33QOiVCTF0Ge0Nw6"}],"tx":[]}`
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b := New(false)
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require.NoError(t, json.Unmarshal([]byte(jblock), b))
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s, err := json.Marshal(b)
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require.NoError(t, err)
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require.JSONEq(t, jblock, string(s))
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}
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func TestBlockSizeCalculation(t *testing.T) {
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// block taken from C# privnet: 02d7c7801742cd404eb178780c840477f1eef4a771ecc8cc9434640fe8f2bb09
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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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// 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(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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}{ // 2 transactions
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{ID: "5a30127b16a628de6aa6823418d76214b97a0fc6db865024d3d2c6e939ce3433", Size: 488, Version: 0, SignersLen: 1, AttributesLen: 0, WitnessesLen: 1},
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{ID: "25426643feed564cd3e57f346d6c68692f5622b3063da11c5572d99ee1a5b49a", Size: 492, Version: 0, SignersLen: 1, AttributesLen: 0, WitnessesLen: 1},
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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, "5b60644c6c6f58faca72c70689d7ed1f40c2e795772bd0de5a88e983ad55080c", b.PrevHash.StringLE())
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assert.Equal(t, "95c4d3ef673a732bf399459c7949d0f6e774ecf8c50f282bedad1f0b1c0de590", b.MerkleRoot.StringLE())
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assert.Equal(t, 1616078164001, int(b.Timestamp))
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assert.Equal(t, 1, int(b.Index))
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nextConsensus := address.Uint160ToString(b.NextConsensus)
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assert.Equal(t, "NgEisvCqr2h8wpRxQb7bVPWUZdbVCY8Uo6", nextConsensus)
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assert.Equal(t, "DEDgwCcXkcaFw5MGOp1cpkgApzDTX2/RxKlmPeXTgWYtfEA8g9svUSbZA4TeoGyWvX8LiN0tJKrzajdMGvTVGqVmDEDp6PBmZmRx9CxswtLht6oWa2Uq4rl5diPsLtqXZeZepMlxUSbaCdlFTB7iWQG9yKXWR5hc0sScevvuVwwsUYdlDEDwlhwZrP07E5fEQKttVMYAiL7edd/eW2yoMGZe6Q95g7yXQ69edVHfQb61fBw3DjCpMDZ5lsxp3BgzXglJwMSK", base64.StdEncoding.EncodeToString(b.Script.InvocationScript))
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assert.Equal(t, "EwwhAhA6f33QFlWFl/eWDSfFFqQ5T9loueZRVetLAT5AQEBuDCECp7xV/oaE4BGXaNEEujB5W9zIZhnoZK3SYVZyPtGFzWIMIQKzYiv0AXvf4xfFiu1fTHU/IGt9uJYEb6fXdLvEv3+NwgwhA9kMB99j5pDOd5EuEKtRrMlEtmhgI3tgjE+PgwnnHuaZFEF7zmyl", base64.StdEncoding.EncodeToString(b.Script.VerificationScript))
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assert.Equal(t, "0285238e7b5d3ca50ae8f8636dedb4fa486bc0536016e1f1edfd74442af7412e", 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, 1438, len(benc))
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assert.Equal(t, rawBlock, base64.StdEncoding.EncodeToString(benc))
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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)
|
|
for i := range b.Transactions {
|
|
b.Transactions[i] = &transaction.Transaction{
|
|
Script: []byte("my_pretty_script"),
|
|
}
|
|
}
|
|
_ = b.Hash()
|
|
data, err := testserdes.EncodeBinary(b)
|
|
require.NoError(t, err)
|
|
|
|
require.ErrorIs(t, testserdes.DecodeBinary(data, new(Block)), ErrMaxContentsPerBlock)
|
|
})
|
|
}
|
|
|
|
func TestGetExpectedBlockSize(t *testing.T) {
|
|
check := func(t *testing.T, stateRootEnabled bool) {
|
|
t.Run("without transactions", func(t *testing.T) {
|
|
b := newDumbBlock()
|
|
b.StateRootEnabled = stateRootEnabled
|
|
b.Transactions = []*transaction.Transaction{}
|
|
require.Equal(t, io.GetVarSize(b), b.GetExpectedBlockSize())
|
|
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([]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)
|
|
})
|
|
}
|