213 lines
7.9 KiB
Go
213 lines
7.9 KiB
Go
package chain
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import (
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"encoding/hex"
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"sort"
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"testing"
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"github.com/nspcc-dev/neo-go/pkg/config"
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"github.com/nspcc-dev/neo-go/pkg/config/netmode"
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"github.com/nspcc-dev/neo-go/pkg/core"
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"github.com/nspcc-dev/neo-go/pkg/core/storage"
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"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
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"github.com/nspcc-dev/neo-go/pkg/neotest"
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"github.com/nspcc-dev/neo-go/pkg/smartcontract"
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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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const (
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// MaxTraceableBlocks is the default MaxTraceableBlocks setting used for test chains.
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// We don't need a lot of traceable blocks for tests.
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MaxTraceableBlocks = 1000
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// SecondsPerBlock is the default SecondsPerBlock setting used for test chains.
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// Usually blocks are created by tests bypassing this setting.
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SecondsPerBlock = 1
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)
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const singleValidatorWIF = "KxyjQ8eUa4FHt3Gvioyt1Wz29cTUrE4eTqX3yFSk1YFCsPL8uNsY"
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// committeeWIFs is a list of unencrypted WIFs sorted by public key.
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var committeeWIFs = []string{
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"KzfPUYDC9n2yf4fK5ro4C8KMcdeXtFuEnStycbZgX3GomiUsvX6W",
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"KzgWE3u3EDp13XPXXuTKZxeJ3Gi8Bsm8f9ijY3ZsCKKRvZUo1Cdn",
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singleValidatorWIF,
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"L2oEXKRAAMiPEZukwR5ho2S6SMeQLhcK9mF71ZnF7GvT8dU4Kkgz",
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// Provide 2 committee extra members so that committee address differs from
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// the validators one.
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"L1Tr1iq5oz1jaFaMXP21sHDkJYDDkuLtpvQ4wRf1cjKvJYvnvpAb",
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"Kz6XTUrExy78q8f4MjDHnwz8fYYyUE8iPXwPRAkHa3qN2JcHYm7e",
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}
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var (
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// committeeAcc is an account used to sign tx as a committee.
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committeeAcc *wallet.Account
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// multiCommitteeAcc contains committee accounts used in a multi-node setup.
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multiCommitteeAcc []*wallet.Account
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// multiValidatorAcc contains validator accounts used in a multi-node setup.
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multiValidatorAcc []*wallet.Account
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// standByCommittee contains list of committee public keys to use in config.
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standByCommittee []string
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)
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func init() {
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committeeAcc, _ = wallet.NewAccountFromWIF(singleValidatorWIF)
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pubs := keys.PublicKeys{committeeAcc.PrivateKey().PublicKey()}
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err := committeeAcc.ConvertMultisig(1, pubs)
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if err != nil {
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panic(err)
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}
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mc := smartcontract.GetMajorityHonestNodeCount(len(committeeWIFs))
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mv := smartcontract.GetDefaultHonestNodeCount(4)
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accs := make([]*wallet.Account, len(committeeWIFs))
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pubs = make(keys.PublicKeys, len(accs))
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for i := range committeeWIFs {
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accs[i], _ = wallet.NewAccountFromWIF(committeeWIFs[i])
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pubs[i] = accs[i].PrivateKey().PublicKey()
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}
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// Config entry must contain validators first in a specific order.
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standByCommittee = make([]string, len(pubs))
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standByCommittee[0] = hex.EncodeToString(pubs[2].Bytes())
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standByCommittee[1] = hex.EncodeToString(pubs[0].Bytes())
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standByCommittee[2] = hex.EncodeToString(pubs[3].Bytes())
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standByCommittee[3] = hex.EncodeToString(pubs[1].Bytes())
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standByCommittee[4] = hex.EncodeToString(pubs[4].Bytes())
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standByCommittee[5] = hex.EncodeToString(pubs[5].Bytes())
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multiValidatorAcc = make([]*wallet.Account, 4)
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sort.Sort(pubs[:4])
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sort.Slice(accs[:4], func(i, j int) bool {
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p1 := accs[i].PrivateKey().PublicKey()
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p2 := accs[j].PrivateKey().PublicKey()
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return p1.Cmp(p2) == -1
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})
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for i := range multiValidatorAcc {
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multiValidatorAcc[i] = wallet.NewAccountFromPrivateKey(accs[i].PrivateKey())
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err := multiValidatorAcc[i].ConvertMultisig(mv, pubs[:4])
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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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multiCommitteeAcc = make([]*wallet.Account, len(committeeWIFs))
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sort.Sort(pubs)
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sort.Slice(accs, func(i, j int) bool {
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p1 := accs[i].PrivateKey().PublicKey()
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p2 := accs[j].PrivateKey().PublicKey()
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return p1.Cmp(p2) == -1
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})
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for i := range multiCommitteeAcc {
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multiCommitteeAcc[i] = wallet.NewAccountFromPrivateKey(accs[i].PrivateKey())
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err := multiCommitteeAcc[i].ConvertMultisig(mc, pubs)
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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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}
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// NewSingle creates new blockchain instance with a single validator and
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// setups cleanup functions. The configuration used is with netmode.UnitTestNet
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// magic, and SecondsPerBlock/MaxTraceableBlocks options defined by constants in
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// this package. MemoryStore is used as the backend storage, so all of the chain
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// contents is always in RAM. The Signer returned is validator (and committee at
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// the same time).
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func NewSingle(t testing.TB) (*core.Blockchain, neotest.Signer) {
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return NewSingleWithCustomConfig(t, nil)
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}
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// NewSingleWithCustomConfig is similar to NewSingle, but allows to override the
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// default configuration.
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func NewSingleWithCustomConfig(t testing.TB, f func(*config.ProtocolConfiguration)) (*core.Blockchain, neotest.Signer) {
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st := storage.NewMemoryStore()
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return NewSingleWithCustomConfigAndStore(t, f, st, true)
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}
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// NewSingleWithCustomConfigAndStore is similar to NewSingleWithCustomConfig, but
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// also allows to override backend Store being used. The last parameter controls if
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// Run method is called on the Blockchain instance, if not then it's caller's
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// responsibility to do that before using the chain and its caller's responsibility
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// also to properly Close the chain when done.
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func NewSingleWithCustomConfigAndStore(t testing.TB, f func(cfg *config.ProtocolConfiguration), st storage.Store, run bool) (*core.Blockchain, neotest.Signer) {
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protoCfg := config.ProtocolConfiguration{
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Magic: netmode.UnitTestNet,
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MaxTraceableBlocks: MaxTraceableBlocks,
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SecondsPerBlock: SecondsPerBlock,
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StandbyCommittee: []string{hex.EncodeToString(committeeAcc.PrivateKey().PublicKey().Bytes())},
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ValidatorsCount: 1,
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VerifyBlocks: true,
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VerifyTransactions: true,
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}
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if f != nil {
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f(&protoCfg)
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}
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log := zaptest.NewLogger(t)
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bc, err := core.NewBlockchain(st, protoCfg, log)
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require.NoError(t, err)
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if run {
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go bc.Run()
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t.Cleanup(bc.Close)
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}
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return bc, neotest.NewMultiSigner(committeeAcc)
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}
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// NewMulti creates new blockchain instance with four validators and six
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// committee members, otherwise not differring much from NewSingle. The
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// second value returned contains validators Signer, the third -- committee one.
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func NewMulti(t testing.TB) (*core.Blockchain, neotest.Signer, neotest.Signer) {
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return NewMultiWithCustomConfig(t, nil)
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}
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// NewMultiWithCustomConfig is similar to NewMulti except it allows to override the
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// default configuration.
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func NewMultiWithCustomConfig(t testing.TB, f func(*config.ProtocolConfiguration)) (*core.Blockchain, neotest.Signer, neotest.Signer) {
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return NewMultiWithCustomConfigAndStore(t, f, nil, true)
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}
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// NewMultiWithCustomConfigAndStore is similar to NewMultiWithCustomConfig, but
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// also allows to override backend Store being used. The last parameter controls if
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// Run method is called on the Blockchain instance, if not then it's caller's
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// responsibility to do that before using the chain and its caller's responsibility
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// also to properly Close the chain when done.
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func NewMultiWithCustomConfigAndStore(t testing.TB, f func(*config.ProtocolConfiguration), st storage.Store, run bool) (*core.Blockchain, neotest.Signer, neotest.Signer) {
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bc, validator, committee, err := NewMultiWithCustomConfigAndStoreNoCheck(t, f, st)
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require.NoError(t, err)
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if run {
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go bc.Run()
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t.Cleanup(bc.Close)
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}
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return bc, validator, committee
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}
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// NewMultiWithCustomConfigAndStoreNoCheck is similar to NewMultiWithCustomConfig,
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// but do not perform Blockchain run and do not check Blockchain constructor error.
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func NewMultiWithCustomConfigAndStoreNoCheck(t testing.TB, f func(*config.ProtocolConfiguration), st storage.Store) (*core.Blockchain, neotest.Signer, neotest.Signer, error) {
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protoCfg := config.ProtocolConfiguration{
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Magic: netmode.UnitTestNet,
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MaxTraceableBlocks: MaxTraceableBlocks,
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SecondsPerBlock: SecondsPerBlock,
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StandbyCommittee: standByCommittee,
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ValidatorsCount: 4,
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VerifyBlocks: true,
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VerifyTransactions: true,
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}
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if f != nil {
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f(&protoCfg)
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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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bc, err := core.NewBlockchain(st, protoCfg, log)
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return bc, neotest.NewMultiSigner(multiValidatorAcc...), neotest.NewMultiSigner(multiCommitteeAcc...), err
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}
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