mirror of
https://github.com/nspcc-dev/neo-go.git
synced 2024-11-26 19:42:23 +00:00
410 lines
13 KiB
Go
410 lines
13 KiB
Go
package core
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import (
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"encoding/json"
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"fmt"
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"math/big"
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"path/filepath"
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"strings"
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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/pkg/compiler"
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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/blockchainer"
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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/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/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/smartcontract"
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"github.com/nspcc-dev/neo-go/pkg/smartcontract/callflag"
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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"
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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.TB) *Blockchain {
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return newTestChainWithCustomCfg(t, nil)
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}
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func newTestChainWithCustomCfg(t testing.TB, 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.TB, st storage.Store, f func(*config.Config)) *Blockchain {
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chain := initTestChain(t, st, f)
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go chain.Run()
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t.Cleanup(chain.Close)
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return chain
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}
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func newLevelDBForTesting(t testing.TB) storage.Store {
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dbPath := t.TempDir()
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dbOptions := storage.LevelDBOptions{
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DataDirectoryPath: dbPath,
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}
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newLevelStore, err := storage.NewLevelDBStore(dbOptions)
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require.Nil(t, err, "NewLevelDBStore error")
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return newLevelStore
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}
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func newBoltStoreForTesting(t testing.TB) storage.Store {
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d := t.TempDir()
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dbPath := filepath.Join(d, "test_bolt_db")
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boltDBStore, err := storage.NewBoltDBStore(storage.BoltDBOptions{FilePath: dbPath})
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require.NoError(t, err)
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return boltDBStore
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}
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func initTestChain(t testing.TB, st storage.Store, f func(*config.Config)) *Blockchain {
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chain, err := initTestChainNoCheck(t, st, f)
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require.NoError(t, err)
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return chain
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}
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func initTestChainNoCheck(t testing.TB, st storage.Store, f func(*config.Config)) (*Blockchain, error) {
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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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log := zaptest.NewLogger(t)
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if _, ok := t.(*testing.B); ok {
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log = zap.NewNop()
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}
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return NewBlockchain(st, unitTestNetCfg.ProtocolConfiguration, log)
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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.GetStateModule().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 newBlockCustom(cfg config.ProtocolConfiguration, f func(b *block.Block),
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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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Header: block.Header{
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NextConsensus: witness.ScriptHash(),
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Script: witness,
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},
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Transactions: txs,
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}
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f(b)
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b.RebuildMerkleRoot()
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b.Script.InvocationScript = testchain.Sign(b)
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return b
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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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return newBlockCustom(cfg, func(b *block.Block) {
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b.PrevHash = prev
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b.Timestamp = uint64(time.Now().UTC().Unix())*1000 + uint64(index)
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b.Index = index
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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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}, txs...)
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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 TestBug1728(t *testing.T) {
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src := `package example
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import "github.com/nspcc-dev/neo-go/pkg/interop/runtime"
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func init() { if true { } else { } }
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func _deploy(_ interface{}, isUpdate bool) {
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runtime.Log("Deploy")
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}`
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nf, di, err := compiler.CompileWithOptions("foo.go", strings.NewReader(src), nil)
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require.NoError(t, err)
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m, err := di.ConvertToManifest(&compiler.Options{Name: "TestContract"})
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require.NoError(t, err)
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rawManifest, err := json.Marshal(m)
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require.NoError(t, err)
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rawNef, err := nf.Bytes()
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require.NoError(t, err)
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bc := newTestChain(t)
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aer, err := invokeContractMethod(bc, 10000000000,
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bc.contracts.Management.Hash, "deploy", rawNef, rawManifest)
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require.NoError(t, err)
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require.Equal(t, aer.VMState, vm.HaltState)
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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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return newNEP17TransferWithAssert(sc, from, to, amount, true, additionalArgs...)
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}
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func newNEP17TransferWithAssert(sc, from, to util.Uint160, amount int64, needAssert bool, additionalArgs ...interface{}) *transaction.Transaction {
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w := io.NewBufBinWriter()
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emit.AppCall(w.BinWriter, sc, "transfer", callflag.All, from, to, amount, additionalArgs)
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if needAssert {
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emit.Opcodes(w.BinWriter, opcode.ASSERT)
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}
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if w.Err != nil {
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panic(fmt.Errorf("failed to create NEP-17 transfer transaction: %w", w.Err))
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}
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script := w.Bytes()
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return transaction.New(script, 11000000)
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}
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func addSigners(sender util.Uint160, txs ...*transaction.Transaction) {
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for _, tx := range txs {
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tx.Signers = []transaction.Signer{{
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Account: sender,
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Scopes: transaction.Global,
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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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// Signer can be either bool or *wallet.Account.
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// In the first case `true` means sign by committee, `false` means sign by validators.
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func prepareContractMethodInvokeGeneric(chain *Blockchain, sysfee int64,
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hash util.Uint160, method string, signer interface{}, args ...interface{}) (*transaction.Transaction, error) {
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w := io.NewBufBinWriter()
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emit.AppCall(w.BinWriter, hash, method, callflag.All, 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(script, 0)
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tx.ValidUntilBlock = chain.blockHeight + 1
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var err error
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switch s := signer.(type) {
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case bool:
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if s {
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addSigners(testchain.CommitteeScriptHash(), tx)
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setTxSystemFee(chain, sysfee, tx)
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err = testchain.SignTxCommittee(chain, tx)
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} else {
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addSigners(neoOwner, tx)
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setTxSystemFee(chain, sysfee, tx)
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err = testchain.SignTx(chain, tx)
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}
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case *wallet.Account:
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signTxWithAccounts(chain, sysfee, tx, s)
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case []*wallet.Account:
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signTxWithAccounts(chain, sysfee, tx, s...)
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default:
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panic("invalid signer")
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}
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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 setTxSystemFee(bc *Blockchain, sysFee int64, tx *transaction.Transaction) {
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if sysFee >= 0 {
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tx.SystemFee = sysFee
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return
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}
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lastBlock := bc.topBlock.Load().(*block.Block)
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b := &block.Block{
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Header: block.Header{
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Index: lastBlock.Index + 1,
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Timestamp: lastBlock.Timestamp + 1000,
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},
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Transactions: []*transaction.Transaction{tx},
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}
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ttx := *tx // prevent setting 'hash' field
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ic := bc.GetTestVM(trigger.Application, &ttx, b)
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defer ic.Finalize()
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ic.VM.LoadWithFlags(tx.Script, callflag.All)
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_ = ic.VM.Run()
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tx.SystemFee = ic.VM.GasConsumed()
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}
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func signTxWithAccounts(chain *Blockchain, sysFee int64, tx *transaction.Transaction, accs ...*wallet.Account) {
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scope := transaction.CalledByEntry
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for _, acc := range accs {
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accH, _ := address.StringToUint160(acc.Address)
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tx.Signers = append(tx.Signers, transaction.Signer{
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Account: accH,
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Scopes: scope,
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})
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scope = transaction.Global
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}
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setTxSystemFee(chain, sysFee, tx)
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size := io.GetVarSize(tx)
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for _, acc := range accs {
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if acc.Contract.Deployed {
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// don't need precise calculation for tests
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tx.NetworkFee += 1000_0000
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continue
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}
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netFee, sizeDelta := fee.Calculate(chain.GetBaseExecFee(), acc.Contract.Script)
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size += sizeDelta
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tx.NetworkFee += netFee
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}
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tx.NetworkFee += int64(size) * chain.FeePerByte()
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for _, acc := range accs {
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if err := acc.SignTx(testchain.Network(), tx); err != nil {
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panic(err)
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}
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}
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}
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func persistBlock(chain *Blockchain, txs ...*transaction.Transaction) ([]*state.AppExecResult, error) {
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b := chain.newBlock(txs...)
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err := chain.AddBlock(b)
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if err != nil {
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return nil, err
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}
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aers := make([]*state.AppExecResult, len(txs))
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for i, tx := range txs {
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res, err := chain.GetAppExecResults(tx.Hash(), trigger.Application)
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if err != nil {
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return nil, err
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}
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aers[i] = &res[0]
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}
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return aers, nil
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}
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func invokeContractMethod(chain *Blockchain, sysfee int64, hash util.Uint160, method string, args ...interface{}) (*state.AppExecResult, error) {
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return invokeContractMethodGeneric(chain, sysfee, hash, method, false, args...)
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}
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func invokeContractMethodGeneric(chain *Blockchain, sysfee int64, hash util.Uint160, method string,
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signer interface{}, args ...interface{}) (*state.AppExecResult, error) {
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tx, err := prepareContractMethodInvokeGeneric(chain, sysfee, hash,
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method, signer, args...)
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if err != nil {
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return nil, err
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}
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aers, err := persistBlock(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 aers[0], nil
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}
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func transferTokenFromMultisigAccountCheckOK(t *testing.T, chain *Blockchain, to, tokenHash util.Uint160, amount int64, additionalArgs ...interface{}) {
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transferTx := transferTokenFromMultisigAccount(t, chain, to, tokenHash, amount, additionalArgs...)
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res, err := chain.GetAppExecResults(transferTx.Hash(), trigger.Application)
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require.NoError(t, err)
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require.Equal(t, vm.HaltState, res[0].VMState)
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require.Equal(t, 0, len(res[0].Stack))
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}
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func transferTokenFromMultisigAccount(t *testing.T, chain *Blockchain, to, tokenHash util.Uint160, amount int64, additionalArgs ...interface{}) *transaction.Transaction {
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return transferTokenFromMultisigAccountWithAssert(t, chain, to, tokenHash, amount, true, additionalArgs...)
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}
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func transferTokenFromMultisigAccountWithAssert(t *testing.T, chain *Blockchain, to, tokenHash util.Uint160, amount int64, needAssert bool, additionalArgs ...interface{}) *transaction.Transaction {
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transferTx := newNEP17TransferWithAssert(tokenHash, testchain.MultisigScriptHash(), to, amount, needAssert, additionalArgs...)
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transferTx.SystemFee = 100000000
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transferTx.ValidUntilBlock = chain.BlockHeight() + 1
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addSigners(neoOwner, transferTx)
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require.NoError(t, testchain.SignTx(chain, transferTx))
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b := chain.newBlock(transferTx)
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require.NoError(t, chain.AddBlock(b))
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return transferTx
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}
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func checkResult(t *testing.T, result *state.AppExecResult, expected stackitem.Item) {
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require.Equal(t, vm.HaltState, result.VMState, result.FaultException)
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require.Equal(t, 1, len(result.Stack))
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require.Equal(t, expected, result.Stack[0])
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}
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func checkTxHalt(t testing.TB, bc *Blockchain, h util.Uint256) {
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aer, err := bc.GetAppExecResults(h, trigger.Application)
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require.NoError(t, err)
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require.Equal(t, 1, len(aer))
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require.Equal(t, vm.HaltState, aer[0].VMState, aer[0].FaultException)
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}
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func checkFAULTState(t *testing.T, result *state.AppExecResult) {
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require.Equal(t, vm.FaultState, result.VMState)
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}
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func checkBalanceOf(t *testing.T, chain *Blockchain, addr util.Uint160, expected int) {
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balance := chain.GetUtilityTokenBalance(addr)
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require.Equal(t, int64(expected), balance.Int64())
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}
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type NotaryFeerStub struct {
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bc blockchainer.Blockchainer
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}
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func (f NotaryFeerStub) FeePerByte() int64 { return f.bc.FeePerByte() }
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func (f NotaryFeerStub) GetUtilityTokenBalance(acc util.Uint160) *big.Int {
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return f.bc.GetNotaryBalance(acc)
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}
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func (f NotaryFeerStub) BlockHeight() uint32 { return f.bc.BlockHeight() }
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func (f NotaryFeerStub) P2PSigExtensionsEnabled() bool { return f.bc.P2PSigExtensionsEnabled() }
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func NewNotaryFeerStub(bc blockchainer.Blockchainer) NotaryFeerStub {
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return NotaryFeerStub{
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bc: bc,
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}
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}
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