neoneo-go/pkg/neotest/chain/chain.go

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package chain
import (
"encoding/hex"
"sort"
"testing"
"github.com/nspcc-dev/neo-go/pkg/config"
"github.com/nspcc-dev/neo-go/pkg/config/netmode"
"github.com/nspcc-dev/neo-go/pkg/core"
"github.com/nspcc-dev/neo-go/pkg/core/storage"
"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
"github.com/nspcc-dev/neo-go/pkg/neotest"
"github.com/nspcc-dev/neo-go/pkg/smartcontract"
"github.com/nspcc-dev/neo-go/pkg/wallet"
"github.com/stretchr/testify/require"
"go.uber.org/zap/zaptest"
)
const singleValidatorWIF = "KxyjQ8eUa4FHt3Gvioyt1Wz29cTUrE4eTqX3yFSk1YFCsPL8uNsY"
// committeeWIFs is a list of unencrypted WIFs sorted by public key.
var committeeWIFs = []string{
"KzfPUYDC9n2yf4fK5ro4C8KMcdeXtFuEnStycbZgX3GomiUsvX6W",
"KzgWE3u3EDp13XPXXuTKZxeJ3Gi8Bsm8f9ijY3ZsCKKRvZUo1Cdn",
singleValidatorWIF,
"L2oEXKRAAMiPEZukwR5ho2S6SMeQLhcK9mF71ZnF7GvT8dU4Kkgz",
// Provide 2 committee extra members so that committee address differs from
// the validators one.
"L1Tr1iq5oz1jaFaMXP21sHDkJYDDkuLtpvQ4wRf1cjKvJYvnvpAb",
"Kz6XTUrExy78q8f4MjDHnwz8fYYyUE8iPXwPRAkHa3qN2JcHYm7e",
}
var (
// committeeAcc is an account used to sign tx as a committee.
committeeAcc *wallet.Account
// multiCommitteeAcc contains committee accounts used in a multi-node setup.
multiCommitteeAcc []*wallet.Account
// multiValidatorAcc contains validator accounts used in a multi-node setup.
multiValidatorAcc []*wallet.Account
// standByCommittee contains list of committee public keys to use in config.
standByCommittee []string
)
func init() {
committeeAcc, _ = wallet.NewAccountFromWIF(singleValidatorWIF)
pubs := keys.PublicKeys{committeeAcc.PrivateKey().PublicKey()}
err := committeeAcc.ConvertMultisig(1, pubs)
if err != nil {
panic(err)
}
mc := smartcontract.GetMajorityHonestNodeCount(len(committeeWIFs))
mv := smartcontract.GetDefaultHonestNodeCount(4)
accs := make([]*wallet.Account, len(committeeWIFs))
pubs = make(keys.PublicKeys, len(accs))
for i := range committeeWIFs {
accs[i], _ = wallet.NewAccountFromWIF(committeeWIFs[i])
pubs[i] = accs[i].PrivateKey().PublicKey()
}
// Config entry must contain validators first in a specific order.
standByCommittee = make([]string, len(pubs))
standByCommittee[0] = hex.EncodeToString(pubs[2].Bytes())
standByCommittee[1] = hex.EncodeToString(pubs[0].Bytes())
standByCommittee[2] = hex.EncodeToString(pubs[3].Bytes())
standByCommittee[3] = hex.EncodeToString(pubs[1].Bytes())
standByCommittee[4] = hex.EncodeToString(pubs[4].Bytes())
standByCommittee[5] = hex.EncodeToString(pubs[5].Bytes())
multiValidatorAcc = make([]*wallet.Account, mv)
sort.Sort(pubs[:4])
vloop:
for i := 0; i < mv; i++ {
for j := range accs {
if accs[j].PrivateKey().PublicKey().Equal(pubs[i]) {
multiValidatorAcc[i] = wallet.NewAccountFromPrivateKey(accs[j].PrivateKey())
err := multiValidatorAcc[i].ConvertMultisig(mv, pubs[:4])
if err != nil {
panic(err)
}
continue vloop
}
}
panic("invalid committee WIFs")
}
multiCommitteeAcc = make([]*wallet.Account, mc)
sort.Sort(pubs)
cloop:
for i := 0; i < mc; i++ {
for j := range accs {
if accs[j].PrivateKey().PublicKey().Equal(pubs[i]) {
multiCommitteeAcc[i] = wallet.NewAccountFromPrivateKey(accs[j].PrivateKey())
err := multiCommitteeAcc[i].ConvertMultisig(mc, pubs)
if err != nil {
panic(err)
}
continue cloop
}
}
panic("invalid committee WIFs")
}
}
// NewSingle creates new blockchain instance with a single validator and
// setups cleanup functions.
func NewSingle(t *testing.T) (*core.Blockchain, neotest.Signer) {
protoCfg := config.ProtocolConfiguration{
Magic: netmode.UnitTestNet,
SecondsPerBlock: 1,
StandbyCommittee: []string{hex.EncodeToString(committeeAcc.PrivateKey().PublicKey().Bytes())},
ValidatorsCount: 1,
VerifyBlocks: true,
VerifyTransactions: true,
}
st := storage.NewMemoryStore()
log := zaptest.NewLogger(t)
bc, err := core.NewBlockchain(st, protoCfg, log)
require.NoError(t, err)
go bc.Run()
t.Cleanup(bc.Close)
return bc, neotest.NewMultiSigner(committeeAcc)
}
// NewMulti creates new blockchain instance with 4 validators and 6 committee members.
// Second return value is for validator signer, third -- for committee.
func NewMulti(t *testing.T) (*core.Blockchain, neotest.Signer, neotest.Signer) {
protoCfg := config.ProtocolConfiguration{
Magic: netmode.UnitTestNet,
SecondsPerBlock: 1,
StandbyCommittee: standByCommittee,
ValidatorsCount: 4,
VerifyBlocks: true,
VerifyTransactions: true,
}
st := storage.NewMemoryStore()
log := zaptest.NewLogger(t)
bc, err := core.NewBlockchain(st, protoCfg, log)
require.NoError(t, err)
go bc.Run()
t.Cleanup(bc.Close)
return bc, neotest.NewMultiSigner(multiValidatorAcc...), neotest.NewMultiSigner(multiCommitteeAcc...)
}