test utils

trie_by_cid/state/state_test.go

@@ -18,24 +18,13 @@ package state
 
 import (
 	"bytes"
-	"context"
 	"testing"
 
-	pgipfsethdb "github.com/cerc-io/ipfs-ethdb/v5/postgres/v0"
-	"github.com/cerc-io/plugeth-statediff/indexer/database/sql/postgres"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/ethdb"
 	"github.com/holiman/uint256"
-
-	"github.com/cerc-io/ipld-eth-statedb/internal"
-)
-
-var (
-	testCtx            = context.Background()
-	testConfig, _      = postgres.TestConfig.WithEnv()
-	teardownStatements = []string{`TRUNCATE ipld.blocks`}
 )
 
 type stateEnv struct {
@@ -44,7 +33,8 @@ type stateEnv struct {
 }
 
 func newStateEnv(t *testing.T) *stateEnv {
-	db := newPgIpfsEthdb(t)
+	db, cleanup := newPgIpfsEthdb(t)
+	t.Cleanup(cleanup)
 	sdb, err := New(types.EmptyRootHash, NewDatabase(db), nil)
 	if err != nil {
 		t.Fatal(err)
@@ -52,15 +42,6 @@ func newStateEnv(t *testing.T) *stateEnv {
 	return &stateEnv{db: db, state: sdb}
 }
 
-func newPgIpfsEthdb(t *testing.T) ethdb.Database {
-	pool, err := postgres.ConnectSQLX(testCtx, testConfig)
-	if err != nil {
-		t.Fatal(err)
-	}
-	db := pgipfsethdb.NewDatabase(pool, internal.MakeCacheConfig(t))
-	return db
-}
-
 func TestNull(t *testing.T) {
 	s := newStateEnv(t)
 	address := common.HexToAddress("0x823140710bf13990e4500136726d8b55")
@@ -120,7 +101,9 @@ func TestSnapshotEmpty(t *testing.T) {
 }
 
 func TestSnapshot2(t *testing.T) {
-	state, _ := New(types.EmptyRootHash, NewDatabase(newPgIpfsEthdb(t)), nil)
+	db, cleanup := newPgIpfsEthdb(t)
+	t.Cleanup(cleanup)
+	state, _ := New(types.EmptyRootHash, NewDatabase(db), nil)
 
 	stateobjaddr0 := common.BytesToAddress([]byte("so0"))
 	stateobjaddr1 := common.BytesToAddress([]byte("so1"))

trie_by_cid/state/testutil.go

@@ -0,0 +1,167 @@
+package state
+
+import (
+	"context"
+	"math/big"
+	"math/rand"
+	"testing"
+
+	pgipfsethdb "github.com/cerc-io/ipfs-ethdb/v5/postgres/v0"
+	"github.com/cerc-io/plugeth-statediff/indexer/database/sql/postgres"
+	helpers "github.com/cerc-io/plugeth-statediff/test_helpers"
+	"github.com/cerc-io/plugeth-statediff/test_helpers/chaingen"
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/core"
+	"github.com/ethereum/go-ethereum/core/rawdb"
+	"github.com/ethereum/go-ethereum/crypto"
+	"github.com/ethereum/go-ethereum/ethdb"
+	"github.com/ethereum/go-ethereum/params"
+
+	"github.com/cerc-io/ipld-eth-statedb/internal"
+	"github.com/cerc-io/ipld-eth-statedb/internal/testdata"
+)
+
+const (
+	chainLength = 5
+	startBlock  = 1
+)
+
+var (
+	testCtx     = context.Background()
+	DBConfig, _ = postgres.TestConfig.WithEnv()
+)
+
+var (
+	bank, acct1, acct2 common.Address
+	caddr1, caddr2     common.Address
+
+	contractSpec   = chaingen.MustParseContract(testdata.TestContractABI, testdata.TestContractCode)
+	BankKey, _     = crypto.HexToECDSA("0000000000000000000000000000000000000000000000000000000000000001")
+	Account1Key, _ = crypto.HexToECDSA("0000000000000000000000000000000000000000000000000000000000000002")
+	Account2Key, _ = crypto.HexToECDSA("0000000000000000000000000000000000000000000000000000000000000003")
+	BankFunds      = big.NewInt(params.Ether * 2)
+)
+
+func newPgIpfsEthdb(t *testing.T) (ethdb.Database, func()) {
+	pool, err := postgres.ConnectSQLX(testCtx, DBConfig)
+	if err != nil {
+		t.Fatal(err)
+	}
+	db := pgipfsethdb.NewDatabase(pool, internal.MakeCacheConfig(t))
+	cleanup := func() {
+		err := helpers.ClearDB(pool)
+		if err != nil {
+			panic(err)
+		}
+	}
+	return db, cleanup
+}
+
+// generates and indexes a chain with arbitrary data, returning the final state root
+func generateAndIndexChain(t *testing.T) common.Hash {
+	testDB := rawdb.NewMemoryDatabase()
+	chainConfig := &*params.TestChainConfig
+	mockTD := big.NewInt(1337)
+
+	// Make the test blockchain and state
+	gen := makeGenContext(chainConfig, testDB)
+	blocks, receipts, chain := gen.MakeChain(chainLength)
+	defer chain.Stop()
+
+	indexer, err := helpers.NewIndexer(context.Background(), chainConfig, gen.Genesis.Hash(), DBConfig)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	if err := helpers.IndexChain(indexer, helpers.IndexChainParams{
+		StateCache:      chain.StateCache(),
+		Blocks:          blocks,
+		Receipts:        receipts,
+		TotalDifficulty: mockTD,
+	}); err != nil {
+		t.Fatal(err)
+	}
+	return blocks[len(blocks)-1].Root()
+}
+
+// A GenContext which exactly replicates the chain generator used in existing tests
+func makeGenContext(chainConfig *params.ChainConfig, db ethdb.Database) *chaingen.GenContext {
+	gen := chaingen.NewGenContext(chainConfig, db)
+	bank = gen.AddOwnedAccount(BankKey)
+	acct1 = gen.AddOwnedAccount(Account1Key)
+	acct2 = gen.AddOwnedAccount(Account2Key)
+	gen.AddContract("Test", contractSpec)
+
+	rng := rand.New(rand.NewSource(0))
+	gen.AddFunction(func(i int, block *core.BlockGen) {
+		if err := genChain(gen, i, block, rng); err != nil {
+			panic(err)
+		}
+	})
+	gen.Genesis = helpers.GenesisBlockForTesting(
+		db, bank, BankFunds, big.NewInt(params.InitialBaseFee), params.MaxGasLimit,
+	)
+	return gen
+}
+
+func genChain(gen *chaingen.GenContext, i int, block *core.BlockGen, rng *rand.Rand) error {
+	var err error
+	switch i {
+	case 0: // In block 1, the test bank sends account #1 and #2 some ether.
+		amt := 1e15 + rng.Int63n(1e15)
+		tx1, err := gen.CreateSendTx(bank, acct1, big.NewInt(amt))
+		if err != nil {
+			panic(err)
+		}
+		block.AddTx(tx1)
+		tx2, err := gen.CreateSendTx(bank, acct2, big.NewInt(amt))
+		if err != nil {
+			panic(err)
+		}
+		block.AddTx(tx2)
+
+	case 1: // Block 2: deploy contracts
+		caddr1, err = gen.DeployContract(acct1, "Test")
+		if err != nil {
+			panic(err)
+		}
+		caddr2, err = gen.DeployContract(acct2, "Test")
+		if err != nil {
+			panic(err)
+		}
+	case 2: // Block 3: call contract functions from bank
+		block.SetCoinbase(acct1)
+
+		value := rng.Int63n(1000)
+		tx1, err := gen.CreateCallTx(bank, caddr1, "Put", big.NewInt(value))
+		if err != nil {
+			panic(err)
+		}
+		block.AddTx(tx1)
+
+		value = rng.Int63n(1000)
+		tx2, err := gen.CreateCallTx(bank, caddr2, "Put", big.NewInt(value))
+		if err != nil {
+			panic(err)
+		}
+		block.AddTx(tx2)
+
+	case 3: // Block 4: call contract functions from accounts 1 & 2
+		block.SetCoinbase(acct2)
+
+		value := rng.Int63n(1000)
+		tx1, err := gen.CreateCallTx(acct1, caddr2, "Put", big.NewInt(value))
+		if err != nil {
+			panic(err)
+		}
+		block.AddTx(tx1)
+
+		value = rng.Int63n(1000)
+		tx2, err := gen.CreateCallTx(acct2, caddr1, "Put", big.NewInt(value))
+		if err != nil {
+			panic(err)
+		}
+		block.AddTx(tx2)
+	}
+	return nil
+}