mirror of
https://github.com/nspcc-dev/neo-go.git
synced 2024-11-27 13:58:05 +00:00
534 lines
18 KiB
Go
534 lines
18 KiB
Go
package core
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import (
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"bytes"
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"encoding/hex"
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"encoding/json"
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"fmt"
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"io/ioutil"
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"math/big"
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"os"
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"testing"
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"time"
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"github.com/nspcc-dev/neo-go/internal/testchain"
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"github.com/nspcc-dev/neo-go/internal/testserdes"
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"github.com/nspcc-dev/neo-go/pkg/config"
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"github.com/nspcc-dev/neo-go/pkg/core/block"
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"github.com/nspcc-dev/neo-go/pkg/core/chaindump"
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"github.com/nspcc-dev/neo-go/pkg/core/fee"
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"github.com/nspcc-dev/neo-go/pkg/core/native"
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"github.com/nspcc-dev/neo-go/pkg/core/state"
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"github.com/nspcc-dev/neo-go/pkg/core/storage"
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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/fixedn"
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"github.com/nspcc-dev/neo-go/pkg/io"
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"github.com/nspcc-dev/neo-go/pkg/smartcontract"
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"github.com/nspcc-dev/neo-go/pkg/smartcontract/trigger"
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"github.com/nspcc-dev/neo-go/pkg/util"
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"github.com/nspcc-dev/neo-go/pkg/vm"
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"github.com/nspcc-dev/neo-go/pkg/vm/emit"
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"github.com/nspcc-dev/neo-go/pkg/vm/opcode"
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"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
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"github.com/nspcc-dev/neo-go/pkg/wallet"
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"github.com/stretchr/testify/require"
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"go.uber.org/zap/zaptest"
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)
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// multisig address which possess all NEO
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var neoOwner = testchain.MultisigScriptHash()
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// newTestChain should be called before newBlock invocation to properly setup
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// global state.
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func newTestChain(t *testing.T) *Blockchain {
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return newTestChainWithCustomCfg(t, nil)
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}
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func newTestChainWithCustomCfg(t *testing.T, f func(*config.Config)) *Blockchain {
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return newTestChainWithCustomCfgAndStore(t, nil, f)
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}
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func newTestChainWithCustomCfgAndStore(t *testing.T, st storage.Store, f func(*config.Config)) *Blockchain {
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unitTestNetCfg, err := config.Load("../../config", testchain.Network())
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require.NoError(t, err)
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if f != nil {
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f(&unitTestNetCfg)
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}
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if st == nil {
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st = storage.NewMemoryStore()
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}
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chain, err := NewBlockchain(st, unitTestNetCfg.ProtocolConfiguration, zaptest.NewLogger(t))
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require.NoError(t, err)
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go chain.Run()
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return chain
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}
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func (bc *Blockchain) newBlock(txs ...*transaction.Transaction) *block.Block {
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lastBlock, ok := bc.topBlock.Load().(*block.Block)
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if !ok {
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var err error
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lastBlock, err = bc.GetBlock(bc.GetHeaderHash(int(bc.BlockHeight())))
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if err != nil {
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panic(err)
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}
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}
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if bc.config.StateRootInHeader {
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sr, err := bc.GetStateRoot(bc.BlockHeight())
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if err != nil {
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panic(err)
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}
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return newBlockWithState(bc.config, lastBlock.Index+1, lastBlock.Hash(), &sr.Root, txs...)
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}
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return newBlock(bc.config, lastBlock.Index+1, lastBlock.Hash(), txs...)
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}
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func newBlock(cfg config.ProtocolConfiguration, index uint32, prev util.Uint256, txs ...*transaction.Transaction) *block.Block {
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return newBlockWithState(cfg, index, prev, nil, txs...)
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}
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func newBlockWithState(cfg config.ProtocolConfiguration, index uint32, prev util.Uint256,
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prevState *util.Uint256, txs ...*transaction.Transaction) *block.Block {
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validators, _ := validatorsFromConfig(cfg)
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valScript, _ := smartcontract.CreateDefaultMultiSigRedeemScript(validators)
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witness := transaction.Witness{
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VerificationScript: valScript,
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}
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b := &block.Block{
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Base: block.Base{
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Network: testchain.Network(),
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Version: 0,
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PrevHash: prev,
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Timestamp: uint64(time.Now().UTC().Unix())*1000 + uint64(index),
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Index: index,
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NextConsensus: witness.ScriptHash(),
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Script: witness,
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},
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ConsensusData: block.ConsensusData{
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PrimaryIndex: 0,
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Nonce: 1111,
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},
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Transactions: txs,
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}
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if prevState != nil {
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b.StateRootEnabled = true
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b.PrevStateRoot = *prevState
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}
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b.RebuildMerkleRoot()
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b.Script.InvocationScript = testchain.Sign(b.GetSignedPart())
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return b
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}
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func (bc *Blockchain) genBlocks(n int) ([]*block.Block, error) {
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blocks := make([]*block.Block, n)
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lastHash := bc.topBlock.Load().(*block.Block).Hash()
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lastIndex := bc.topBlock.Load().(*block.Block).Index
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for i := 0; i < n; i++ {
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blocks[i] = newBlock(bc.config, uint32(i)+lastIndex+1, lastHash)
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if err := bc.AddBlock(blocks[i]); err != nil {
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return blocks, err
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}
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lastHash = blocks[i].Hash()
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}
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return blocks, nil
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}
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func getDecodedBlock(t *testing.T, i int) *block.Block {
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data, err := getBlockData(i)
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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 := block.New(testchain.Network(), false)
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require.NoError(t, testserdes.DecodeBinary(b, block))
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return block
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}
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func getBlockData(i int) (map[string]interface{}, error) {
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b, err := ioutil.ReadFile(fmt.Sprintf("test_data/block_%d.json", i))
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if err != nil {
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return nil, err
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}
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var data map[string]interface{}
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if err := json.Unmarshal(b, &data); err != nil {
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return nil, err
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}
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return data, err
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}
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func newDumbBlock() *block.Block {
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return &block.Block{
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Base: block.Base{
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Network: testchain.Network(),
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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: block.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(testchain.Network(), []byte{byte(opcode.PUSH1)}, 0),
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},
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}
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}
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// This function generates "../rpc/testdata/testblocks.acc" file which contains data
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// for RPC unit tests. It also is a nice integration test.
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// To generate new "../rpc/testdata/testblocks.acc", follow the steps:
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// 1. Set saveChain down below to true
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// 2. Run tests with `$ make test`
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func TestCreateBasicChain(t *testing.T) {
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const saveChain = false
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const prefix = "../rpc/server/testdata/"
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bc := newTestChain(t)
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defer bc.Close()
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initBasicChain(t, bc)
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if saveChain {
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outStream, err := os.Create(prefix + "testblocks.acc")
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require.NoError(t, err)
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defer outStream.Close()
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writer := io.NewBinWriterFromIO(outStream)
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writer.WriteU32LE(bc.BlockHeight())
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err = chaindump.Dump(bc, writer, 1, bc.BlockHeight())
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require.NoError(t, err)
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}
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priv0 := testchain.PrivateKeyByID(0)
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priv1 := testchain.PrivateKeyByID(1)
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priv0ScriptHash := priv0.GetScriptHash()
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acc0 := wallet.NewAccountFromPrivateKey(priv0)
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// Prepare some transaction for future submission.
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txSendRaw := newNEP17Transfer(bc.contracts.NEO.Hash, priv0ScriptHash, priv1.GetScriptHash(), int64(fixedn.Fixed8FromInt64(1000)))
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txSendRaw.ValidUntilBlock = transaction.MaxValidUntilBlockIncrement
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txSendRaw.Nonce = 0x1234
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txSendRaw.Signers = []transaction.Signer{{
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Account: priv0ScriptHash,
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Scopes: transaction.CalledByEntry,
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AllowedContracts: nil,
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AllowedGroups: nil,
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}}
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require.NoError(t, addNetworkFee(bc, txSendRaw, acc0))
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require.NoError(t, acc0.SignTx(txSendRaw))
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bw := io.NewBufBinWriter()
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txSendRaw.EncodeBinary(bw.BinWriter)
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t.Logf("sendrawtransaction: %s", hex.EncodeToString(bw.Bytes()))
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require.False(t, saveChain)
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}
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func initBasicChain(t *testing.T, bc *Blockchain) {
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const prefix = "../rpc/server/testdata/"
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// Increase in case if you need more blocks
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const validUntilBlock = 1200
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// To be incremented after each created transaction to keep chain constant.
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var testNonce uint32 = 1
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// Use as nonce when new transaction is created to avoid random data in tests.
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getNextNonce := func() uint32 {
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testNonce++
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return testNonce
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}
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const neoAmount = 99999000
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gasHash := bc.contracts.GAS.Hash
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neoHash := bc.contracts.NEO.Hash
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policyHash := bc.contracts.Policy.Hash
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t.Logf("native GAS hash: %v", gasHash)
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t.Logf("native NEO hash: %v", neoHash)
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t.Logf("native Policy hash: %v", policyHash)
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priv0 := testchain.PrivateKeyByID(0)
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priv0ScriptHash := priv0.GetScriptHash()
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require.Equal(t, big.NewInt(5000_0000), bc.GetUtilityTokenBalance(priv0ScriptHash)) // gas bounty
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// Move some NEO to one simple account.
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txMoveNeo, err := testchain.NewTransferFromOwner(bc, neoHash, priv0ScriptHash, neoAmount, getNextNonce(), validUntilBlock)
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require.NoError(t, err)
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// Move some GAS to one simple account.
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txMoveGas, err := testchain.NewTransferFromOwner(bc, gasHash, priv0ScriptHash, int64(fixedn.Fixed8FromInt64(1000)),
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getNextNonce(), validUntilBlock)
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require.NoError(t, err)
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b := bc.newBlock(txMoveNeo, txMoveGas)
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require.NoError(t, bc.AddBlock(b))
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t.Logf("Block1 hash: %s", b.Hash().StringLE())
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bw := io.NewBufBinWriter()
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b.EncodeBinary(bw.BinWriter)
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require.NoError(t, bw.Err)
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t.Logf("Block1 hex: %s", hex.EncodeToString(bw.Bytes()))
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t.Logf("txMoveNeo hash: %s", txMoveNeo.Hash().StringLE())
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t.Logf("txMoveNeo hex: %s", hex.EncodeToString(txMoveNeo.Bytes()))
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t.Logf("txMoveGas hash: %s", txMoveGas.Hash().StringLE())
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require.True(t, bc.GetUtilityTokenBalance(priv0ScriptHash).Cmp(big.NewInt(1000*native.GASFactor)) >= 0)
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// info for getblockheader rpc tests
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t.Logf("header hash: %s", b.Hash().StringLE())
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buf := io.NewBufBinWriter()
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b.Header().EncodeBinary(buf.BinWriter)
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t.Logf("header: %s", hex.EncodeToString(buf.Bytes()))
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acc0 := wallet.NewAccountFromPrivateKey(priv0)
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// Push some contract into the chain.
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txDeploy, cHash := newDeployTx(t, bc, priv0ScriptHash, prefix+"test_contract.go", "Rubl")
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txDeploy.Nonce = getNextNonce()
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txDeploy.ValidUntilBlock = validUntilBlock
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require.NoError(t, addNetworkFee(bc, txDeploy, acc0))
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require.NoError(t, acc0.SignTx(txDeploy))
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b = bc.newBlock(txDeploy)
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require.NoError(t, bc.AddBlock(b))
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t.Logf("txDeploy: %s", txDeploy.Hash().StringLE())
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t.Logf("Block2 hash: %s", b.Hash().StringLE())
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// Now invoke this contract.
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script := io.NewBufBinWriter()
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emit.AppCallWithOperationAndArgs(script.BinWriter, cHash, "putValue", "testkey", "testvalue")
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txInv := transaction.New(testchain.Network(), script.Bytes(), 1*native.GASFactor)
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txInv.Nonce = getNextNonce()
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txInv.ValidUntilBlock = validUntilBlock
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txInv.Signers = []transaction.Signer{{Account: priv0ScriptHash}}
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require.NoError(t, addNetworkFee(bc, txInv, acc0))
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require.NoError(t, acc0.SignTx(txInv))
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b = bc.newBlock(txInv)
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require.NoError(t, bc.AddBlock(b))
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t.Logf("txInv: %s", txInv.Hash().StringLE())
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priv1 := testchain.PrivateKeyByID(1)
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txNeo0to1 := newNEP17Transfer(neoHash, priv0ScriptHash, priv1.GetScriptHash(), 1000)
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txNeo0to1.Nonce = getNextNonce()
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txNeo0to1.ValidUntilBlock = validUntilBlock
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txNeo0to1.Signers = []transaction.Signer{
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{
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Account: priv0ScriptHash,
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Scopes: transaction.CalledByEntry,
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AllowedContracts: nil,
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AllowedGroups: nil,
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},
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}
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require.NoError(t, addNetworkFee(bc, txNeo0to1, acc0))
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require.NoError(t, acc0.SignTx(txNeo0to1))
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b = bc.newBlock(txNeo0to1)
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require.NoError(t, bc.AddBlock(b))
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w := io.NewBufBinWriter()
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emit.AppCallWithOperationAndArgs(w.BinWriter, cHash, "init")
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initTx := transaction.New(testchain.Network(), w.Bytes(), 1*native.GASFactor)
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initTx.Nonce = getNextNonce()
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initTx.ValidUntilBlock = validUntilBlock
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initTx.Signers = []transaction.Signer{{Account: priv0ScriptHash}}
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require.NoError(t, addNetworkFee(bc, initTx, acc0))
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require.NoError(t, acc0.SignTx(initTx))
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transferTx := newNEP17Transfer(cHash, cHash, priv0.GetScriptHash(), 1000)
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transferTx.Nonce = getNextNonce()
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transferTx.ValidUntilBlock = validUntilBlock
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transferTx.Signers = []transaction.Signer{
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{
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Account: priv0ScriptHash,
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Scopes: transaction.CalledByEntry,
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AllowedContracts: nil,
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AllowedGroups: nil,
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},
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}
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require.NoError(t, addNetworkFee(bc, transferTx, acc0))
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require.NoError(t, acc0.SignTx(transferTx))
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b = bc.newBlock(initTx, transferTx)
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require.NoError(t, bc.AddBlock(b))
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t.Logf("recieveRublesTx: %v", transferTx.Hash().StringLE())
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transferTx = newNEP17Transfer(cHash, priv0.GetScriptHash(), priv1.GetScriptHash(), 123)
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transferTx.Nonce = getNextNonce()
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transferTx.ValidUntilBlock = validUntilBlock
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transferTx.Signers = []transaction.Signer{
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{
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Account: priv0ScriptHash,
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Scopes: transaction.CalledByEntry,
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AllowedContracts: nil,
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AllowedGroups: nil,
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},
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}
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require.NoError(t, addNetworkFee(bc, transferTx, acc0))
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require.NoError(t, acc0.SignTx(transferTx))
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b = bc.newBlock(transferTx)
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require.NoError(t, bc.AddBlock(b))
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t.Logf("sendRublesTx: %v", transferTx.Hash().StringLE())
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// Push verification contract into the chain.
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txDeploy2, _ := newDeployTx(t, bc, priv0ScriptHash, prefix+"verification_contract.go", "Verify")
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txDeploy2.Nonce = getNextNonce()
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txDeploy2.ValidUntilBlock = validUntilBlock
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require.NoError(t, addNetworkFee(bc, txDeploy2, acc0))
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require.NoError(t, acc0.SignTx(txDeploy2))
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b = bc.newBlock(txDeploy2)
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require.NoError(t, bc.AddBlock(b))
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}
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func newNEP17Transfer(sc, from, to util.Uint160, amount int64, additionalArgs ...interface{}) *transaction.Transaction {
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w := io.NewBufBinWriter()
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emit.AppCallWithOperationAndArgs(w.BinWriter, sc, "transfer", from, to, amount, additionalArgs)
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emit.Opcodes(w.BinWriter, opcode.ASSERT)
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script := w.Bytes()
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return transaction.New(testchain.Network(), script, 11000000)
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}
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func newDeployTx(t *testing.T, bc *Blockchain, sender util.Uint160, name, ctrName string) (*transaction.Transaction, util.Uint160) {
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c, err := ioutil.ReadFile(name)
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require.NoError(t, err)
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tx, h, err := testchain.NewDeployTx(bc, ctrName, sender, bytes.NewReader(c))
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require.NoError(t, err)
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t.Logf("contractHash (%s): %s", name, h.StringLE())
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return tx, h
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}
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func addSigners(txs ...*transaction.Transaction) {
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for _, tx := range txs {
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tx.Signers = []transaction.Signer{{
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Account: neoOwner,
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Scopes: transaction.CalledByEntry,
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AllowedContracts: nil,
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AllowedGroups: nil,
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}}
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}
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}
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func addNetworkFee(bc *Blockchain, tx *transaction.Transaction, sender *wallet.Account) error {
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size := io.GetVarSize(tx)
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netFee, sizeDelta := fee.Calculate(bc.GetBaseExecFee(), sender.Contract.Script)
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tx.NetworkFee += netFee
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size += sizeDelta
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for _, cosigner := range tx.Signers {
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contract := bc.GetContractState(cosigner.Account)
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if contract != nil {
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netFee, sizeDelta = fee.Calculate(bc.GetBaseExecFee(), contract.Script)
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tx.NetworkFee += netFee
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size += sizeDelta
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}
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}
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tx.NetworkFee += int64(size) * bc.FeePerByte()
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return nil
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}
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func prepareContractMethodInvoke(chain *Blockchain, sysfee int64,
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hash util.Uint160, method string, args ...interface{}) (*transaction.Transaction, error) {
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w := io.NewBufBinWriter()
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emit.AppCallWithOperationAndArgs(w.BinWriter, hash, method, args...)
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if w.Err != nil {
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return nil, w.Err
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}
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script := w.Bytes()
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tx := transaction.New(chain.GetConfig().Magic, script, sysfee)
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tx.ValidUntilBlock = chain.blockHeight + 1
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addSigners(tx)
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err := testchain.SignTx(chain, tx)
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if err != nil {
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return nil, err
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}
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return tx, nil
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}
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func persistBlock(chain *Blockchain, txs ...*transaction.Transaction) ([]*state.AppExecResult, error) {
|
|
b := chain.newBlock(txs...)
|
|
err := chain.AddBlock(b)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
aers := make([]*state.AppExecResult, len(txs))
|
|
for i, tx := range txs {
|
|
res, err := chain.GetAppExecResults(tx.Hash(), trigger.Application)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
aers[i] = &res[0]
|
|
}
|
|
return aers, nil
|
|
}
|
|
|
|
func invokeContractMethod(chain *Blockchain, sysfee int64, hash util.Uint160, method string, args ...interface{}) (*state.AppExecResult, error) {
|
|
tx, err := prepareContractMethodInvoke(chain, sysfee, hash, method, args...)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
aers, err := persistBlock(chain, tx)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return aers[0], nil
|
|
}
|
|
|
|
func invokeContractMethodBy(t *testing.T, chain *Blockchain, signer *wallet.Account, hash util.Uint160, method string, args ...interface{}) (*state.AppExecResult, error) {
|
|
var (
|
|
netfee int64 = 1000_0000
|
|
sysfee int64 = 1_0000_0000
|
|
)
|
|
transferTx := transferTokenFromMultisigAccount(t, chain, signer.PrivateKey().PublicKey().GetScriptHash(), chain.contracts.GAS.Hash, sysfee+netfee+1000_0000, nil)
|
|
res, err := chain.GetAppExecResults(transferTx.Hash(), trigger.Application)
|
|
require.NoError(t, err)
|
|
require.Equal(t, vm.HaltState, res[0].VMState)
|
|
require.Equal(t, 0, len(res[0].Stack))
|
|
|
|
w := io.NewBufBinWriter()
|
|
emit.AppCallWithOperationAndArgs(w.BinWriter, hash, method, args...)
|
|
if w.Err != nil {
|
|
return nil, w.Err
|
|
}
|
|
script := w.Bytes()
|
|
tx := transaction.New(chain.GetConfig().Magic, script, sysfee)
|
|
tx.ValidUntilBlock = chain.blockHeight + 1
|
|
tx.Signers = []transaction.Signer{
|
|
{Account: signer.PrivateKey().PublicKey().GetScriptHash()},
|
|
}
|
|
tx.NetworkFee = netfee
|
|
err = signer.SignTx(tx)
|
|
require.NoError(t, err)
|
|
require.NoError(t, chain.AddBlock(chain.newBlock(tx)))
|
|
|
|
res, err = chain.GetAppExecResults(tx.Hash(), trigger.Application)
|
|
require.NoError(t, err)
|
|
return &res[0], nil
|
|
}
|
|
|
|
func transferTokenFromMultisigAccount(t *testing.T, chain *Blockchain, to, tokenHash util.Uint160, amount int64, additionalArgs ...interface{}) *transaction.Transaction {
|
|
transferTx := newNEP17Transfer(tokenHash, testchain.MultisigScriptHash(), to, amount, additionalArgs...)
|
|
transferTx.SystemFee = 100000000
|
|
transferTx.ValidUntilBlock = chain.BlockHeight() + 1
|
|
addSigners(transferTx)
|
|
require.NoError(t, testchain.SignTx(chain, transferTx))
|
|
b := chain.newBlock(transferTx)
|
|
require.NoError(t, chain.AddBlock(b))
|
|
return transferTx
|
|
}
|
|
|
|
func checkResult(t *testing.T, result *state.AppExecResult, expected stackitem.Item) {
|
|
require.Equal(t, vm.HaltState, result.VMState, result.FaultException)
|
|
require.Equal(t, 1, len(result.Stack))
|
|
require.Equal(t, expected, result.Stack[0])
|
|
}
|
|
|
|
func checkFAULTState(t *testing.T, result *state.AppExecResult) {
|
|
require.Equal(t, vm.FaultState, result.VMState)
|
|
}
|
|
|
|
func checkBalanceOf(t *testing.T, chain *Blockchain, addr util.Uint160, expected int) {
|
|
balance := chain.GetNEP17Balances(addr).Trackers[chain.contracts.GAS.ContractID]
|
|
require.Equal(t, int64(expected), balance.Balance.Int64())
|
|
}
|