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accounts/abi/bind/backends: add TransactionByHash to SimulatedBackend (…
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Original file line number | Diff line number | Diff line change |
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package backends_test | ||
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import ( | ||
"context" | ||
"math/big" | ||
"testing" | ||
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ethereum "github.com/ethereum/go-ethereum" | ||
"github.com/ethereum/go-ethereum/accounts/abi/bind" | ||
"github.com/ethereum/go-ethereum/accounts/abi/bind/backends" | ||
"github.com/ethereum/go-ethereum/common" | ||
"github.com/ethereum/go-ethereum/core" | ||
"github.com/ethereum/go-ethereum/core/types" | ||
"github.com/ethereum/go-ethereum/crypto" | ||
) | ||
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func TestSimulatedBackend(t *testing.T) { | ||
var gasLimit uint64 = 8000029 | ||
key, _ := crypto.GenerateKey() // nolint: gosec | ||
auth := bind.NewKeyedTransactor(key) | ||
genAlloc := make(core.GenesisAlloc) | ||
genAlloc[auth.From] = core.GenesisAccount{Balance: big.NewInt(9223372036854775807)} | ||
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sim := backends.NewSimulatedBackend(genAlloc, gasLimit) | ||
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// should return an error if the tx is not found | ||
txHash := common.HexToHash("2") | ||
_, isPending, err := sim.TransactionByHash(context.Background(), txHash) | ||
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if isPending { | ||
t.Fatal("transaction should not be pending") | ||
} | ||
if err != ethereum.NotFound { | ||
t.Fatalf("err should be `ethereum.NotFound` but received %v", err) | ||
} | ||
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// generate a transaction and confirm you can retrieve it | ||
code := `6060604052600a8060106000396000f360606040526008565b00` | ||
var gas uint64 = 3000000 | ||
tx := types.NewContractCreation(0, big.NewInt(0), gas, big.NewInt(1), common.FromHex(code)) | ||
tx, _ = types.SignTx(tx, types.HomesteadSigner{}, key) | ||
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err = sim.SendTransaction(context.Background(), tx) | ||
if err != nil { | ||
t.Fatal("error sending transaction") | ||
} | ||
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txHash = tx.Hash() | ||
_, isPending, err = sim.TransactionByHash(context.Background(), txHash) | ||
if err != nil { | ||
t.Fatalf("error getting transaction with hash: %v", txHash.String()) | ||
} | ||
if !isPending { | ||
t.Fatal("transaction should have pending status") | ||
} | ||
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sim.Commit() | ||
tx, isPending, err = sim.TransactionByHash(context.Background(), txHash) | ||
if err != nil { | ||
t.Fatalf("error getting transaction with hash: %v", txHash.String()) | ||
} | ||
if isPending { | ||
t.Fatal("transaction should not have pending status") | ||
} | ||
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} |