67 lines
1.9 KiB
Go
67 lines
1.9 KiB
Go
|
package backends_test
|
||
|
|
||
|
import (
|
||
|
"context"
|
||
|
"math/big"
|
||
|
"testing"
|
||
|
|
||
|
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"
|
||
|
)
|
||
|
|
||
|
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)}
|
||
|
|
||
|
sim := backends.NewSimulatedBackend(genAlloc, gasLimit)
|
||
|
|
||
|
// should return an error if the tx is not found
|
||
|
txHash := common.HexToHash("2")
|
||
|
_, isPending, err := sim.TransactionByHash(context.Background(), txHash)
|
||
|
|
||
|
if isPending {
|
||
|
t.Fatal("transaction should not be pending")
|
||
|
}
|
||
|
if err != ethereum.NotFound {
|
||
|
t.Fatalf("err should be `ethereum.NotFound` but received %v", err)
|
||
|
}
|
||
|
|
||
|
// 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)
|
||
|
|
||
|
err = sim.SendTransaction(context.Background(), tx)
|
||
|
if err != nil {
|
||
|
t.Fatal("error sending transaction")
|
||
|
}
|
||
|
|
||
|
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")
|
||
|
}
|
||
|
|
||
|
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")
|
||
|
}
|
||
|
|
||
|
}
|