otterscan/cmd/otter/rpcdaemontest/test_util.go

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2022-10-25 01:58:24 +00:00
package rpcdaemontest
import (
"context"
"crypto/ecdsa"
"encoding/binary"
"fmt"
"math/big"
"net"
"testing"
"github.com/holiman/uint256"
"github.com/ledgerwatch/erigon-lib/gointerfaces/remote"
"github.com/ledgerwatch/erigon-lib/gointerfaces/txpool"
"github.com/ledgerwatch/erigon-lib/kv"
"github.com/ledgerwatch/erigon/accounts/abi/bind"
"github.com/ledgerwatch/erigon/accounts/abi/bind/backends"
"github.com/ledgerwatch/erigon/cmd/rpcdaemon/commands/contracts"
"github.com/ledgerwatch/erigon/common"
"github.com/ledgerwatch/erigon/consensus"
"github.com/ledgerwatch/erigon/consensus/ethash"
"github.com/ledgerwatch/erigon/core"
"github.com/ledgerwatch/erigon/core/types"
"github.com/ledgerwatch/erigon/crypto"
"github.com/ledgerwatch/erigon/ethdb/privateapi"
"github.com/ledgerwatch/erigon/params"
"github.com/ledgerwatch/erigon/turbo/snapshotsync"
"github.com/ledgerwatch/erigon/turbo/stages"
"google.golang.org/grpc"
"google.golang.org/grpc/credentials/insecure"
"google.golang.org/grpc/test/bufconn"
)
func CreateTestKV(t *testing.T) kv.RwDB {
s, _, _ := CreateTestSentry(t)
return s.DB
}
type testAddresses struct {
key *ecdsa.PrivateKey
key1 *ecdsa.PrivateKey
key2 *ecdsa.PrivateKey
address common.Address
address1 common.Address
address2 common.Address
}
func makeTestAddresses() testAddresses {
var (
key, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
key1, _ = crypto.HexToECDSA("49a7b37aa6f6645917e7b807e9d1c00d4fa71f18343b0d4122a4d2df64dd6fee")
key2, _ = crypto.HexToECDSA("8a1f9a8f95be41cd7ccb6168179afb4504aefe388d1e14474d32c45c72ce7b7a")
address = crypto.PubkeyToAddress(key.PublicKey)
address1 = crypto.PubkeyToAddress(key1.PublicKey)
address2 = crypto.PubkeyToAddress(key2.PublicKey)
)
return testAddresses{
key: key,
key1: key1,
key2: key2,
address: address,
address1: address1,
address2: address2,
}
}
func CreateTestSentry(t *testing.T) (*stages.MockSentry, *core.ChainPack, []*core.ChainPack) {
addresses := makeTestAddresses()
var (
key = addresses.key
address = addresses.address
address1 = addresses.address1
address2 = addresses.address2
)
var (
gspec = &core.Genesis{
Config: params.AllEthashProtocolChanges,
Alloc: core.GenesisAlloc{
address: {Balance: big.NewInt(9000000000000000000)},
address1: {Balance: big.NewInt(200000000000000000)},
address2: {Balance: big.NewInt(300000000000000000)},
},
GasLimit: 10000000,
}
)
m := stages.MockWithGenesis(t, gspec, key, false)
contractBackend := backends.NewSimulatedBackendWithConfig(gspec.Alloc, gspec.Config, gspec.GasLimit)
defer contractBackend.Close()
// Generate empty chain to have some orphaned blocks for tests
orphanedChain, err := core.GenerateChain(m.ChainConfig, m.Genesis, m.Engine, m.DB, 5, func(i int, block *core.BlockGen) {
}, true)
if err != nil {
t.Fatal(err)
}
chain, err := getChainInstance(&addresses, m.ChainConfig, m.Genesis, m.Engine, m.DB, contractBackend)
if err != nil {
t.Fatal(err)
}
if err = m.InsertChain(orphanedChain); err != nil {
t.Fatal(err)
}
if err = m.InsertChain(chain); err != nil {
t.Fatal(err)
}
return m, chain, []*core.ChainPack{orphanedChain}
}
var chainInstance *core.ChainPack
func getChainInstance(
addresses *testAddresses,
config *params.ChainConfig,
parent *types.Block,
engine consensus.Engine,
db kv.RwDB,
contractBackend *backends.SimulatedBackend,
) (*core.ChainPack, error) {
var err error
if chainInstance == nil {
chainInstance, err = generateChain(addresses, config, parent, engine, db, contractBackend)
}
return chainInstance.Copy(), err
}
func generateChain(
addresses *testAddresses,
config *params.ChainConfig,
parent *types.Block,
engine consensus.Engine,
db kv.RwDB,
contractBackend *backends.SimulatedBackend,
) (*core.ChainPack, error) {
var (
key = addresses.key
key1 = addresses.key1
key2 = addresses.key2
address = addresses.address
address1 = addresses.address1
address2 = addresses.address2
theAddr = common.Address{1}
chainId = big.NewInt(1337)
// this code generates a log
signer = types.LatestSignerForChainID(nil)
)
transactOpts, _ := bind.NewKeyedTransactorWithChainID(key, chainId)
transactOpts1, _ := bind.NewKeyedTransactorWithChainID(key1, chainId)
transactOpts2, _ := bind.NewKeyedTransactorWithChainID(key2, chainId)
var poly *contracts.Poly
var tokenContract *contracts.Token
// We generate the blocks without plain state because it's not supported in core.GenerateChain
return core.GenerateChain(config, parent, engine, db, 10, func(i int, block *core.BlockGen) {
var (
txn types.Transaction
txs []types.Transaction
err error
)
ctx := context.Background()
switch i {
case 0:
txn, err = types.SignTx(types.NewTransaction(0, theAddr, uint256.NewInt(1000000000000000), 21000, new(uint256.Int), nil), *signer, key)
if err != nil {
panic(err)
}
err = contractBackend.SendTransaction(ctx, txn)
if err != nil {
panic(err)
}
case 1:
txn, err = types.SignTx(types.NewTransaction(1, theAddr, uint256.NewInt(1000000000000000), 21000, new(uint256.Int), nil), *signer, key)
if err != nil {
panic(err)
}
err = contractBackend.SendTransaction(ctx, txn)
if err != nil {
panic(err)
}
case 2:
_, txn, tokenContract, err = contracts.DeployToken(transactOpts, contractBackend, address1)
case 3:
txn, err = tokenContract.Mint(transactOpts1, address2, big.NewInt(10))
case 4:
txn, err = tokenContract.Transfer(transactOpts2, address, big.NewInt(3))
case 5:
// Multiple transactions sending small amounts of ether to various accounts
var j uint64
var toAddr common.Address
nonce := block.TxNonce(address)
for j = 1; j <= 32; j++ {
binary.BigEndian.PutUint64(toAddr[:], j)
txn, err = types.SignTx(types.NewTransaction(nonce, toAddr, uint256.NewInt(1_000_000_000_000_000), 21000, new(uint256.Int), nil), *signer, key)
if err != nil {
panic(err)
}
err = contractBackend.SendTransaction(ctx, txn)
if err != nil {
panic(err)
}
txs = append(txs, txn)
nonce++
}
case 6:
_, txn, tokenContract, err = contracts.DeployToken(transactOpts, contractBackend, address1)
if err != nil {
panic(err)
}
txs = append(txs, txn)
txn, err = tokenContract.Mint(transactOpts1, address2, big.NewInt(100))
if err != nil {
panic(err)
}
txs = append(txs, txn)
// Multiple transactions sending small amounts of ether to various accounts
var j uint64
var toAddr common.Address
for j = 1; j <= 32; j++ {
binary.BigEndian.PutUint64(toAddr[:], j)
txn, err = tokenContract.Transfer(transactOpts2, toAddr, big.NewInt(1))
if err != nil {
panic(err)
}
txs = append(txs, txn)
}
case 7:
var toAddr common.Address
nonce := block.TxNonce(address)
binary.BigEndian.PutUint64(toAddr[:], 4)
txn, err = types.SignTx(types.NewTransaction(nonce, toAddr, uint256.NewInt(1000000000000000), 21000, new(uint256.Int), nil), *signer, key)
if err != nil {
panic(err)
}
err = contractBackend.SendTransaction(ctx, txn)
if err != nil {
panic(err)
}
txs = append(txs, txn)
binary.BigEndian.PutUint64(toAddr[:], 12)
txn, err = tokenContract.Transfer(transactOpts2, toAddr, big.NewInt(1))
if err != nil {
panic(err)
}
txs = append(txs, txn)
case 8:
_, txn, poly, err = contracts.DeployPoly(transactOpts, contractBackend)
if err != nil {
panic(err)
}
txs = append(txs, txn)
case 9:
txn, err = poly.DeployAndDestruct(transactOpts, big.NewInt(0))
if err != nil {
panic(err)
}
txs = append(txs, txn)
}
if err != nil {
panic(err)
}
if txs == nil && txn != nil {
txs = append(txs, txn)
}
for _, txn := range txs {
block.AddTx(txn)
}
contractBackend.Commit()
}, true)
}
type IsMiningMock struct{}
func (*IsMiningMock) IsMining() bool { return false }
func CreateTestGrpcConn(t *testing.T, m *stages.MockSentry) (context.Context, *grpc.ClientConn) { //nolint
ctx, cancel := context.WithCancel(context.Background())
apis := m.Engine.APIs(nil)
if len(apis) < 1 {
t.Fatal("couldn't instantiate Engine api")
}
ethashApi := apis[1].Service.(*ethash.API)
server := grpc.NewServer()
remote.RegisterETHBACKENDServer(server, privateapi.NewEthBackendServer(ctx, nil, m.DB, m.Notifications.Events, snapshotsync.NewBlockReader(), nil, nil, nil, false))
txpool.RegisterTxpoolServer(server, m.TxPoolGrpcServer)
txpool.RegisterMiningServer(server, privateapi.NewMiningServer(ctx, &IsMiningMock{}, ethashApi))
listener := bufconn.Listen(1024 * 1024)
dialer := func() func(context.Context, string) (net.Conn, error) {
go func() {
if err := server.Serve(listener); err != nil {
fmt.Printf("%v\n", err)
}
}()
return func(context.Context, string) (net.Conn, error) {
return listener.Dial()
}
}
conn, err := grpc.DialContext(ctx, "", grpc.WithTransportCredentials(insecure.NewCredentials()), grpc.WithContextDialer(dialer()))
if err != nil {
t.Fatal(err)
}
t.Cleanup(func() {
cancel()
conn.Close()
server.Stop()
})
return ctx, conn
}