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go_test.go
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go_test.go
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package main
import (
"context"
"crypto/ecdsa"
"fmt"
"log"
"math/big"
"strings"
"testing"
"time"
"decipher.com/tps/abi"
"github.com/ethereum/go-ethereum/accounts/abi/bind"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/ethclient"
"github.com/ethereum/go-ethereum/params"
)
var (
gasPrice = big.NewInt(int64(0))
gasLimit = uint64(3_500_000)
chainId = big.NewInt(43112)
oneEther = big.NewInt(params.Ether)
client *ethclient.Client
chain *bind.TransactOpts
owner common.Address
ERC20Address common.Address
)
func GetKeyAndAddress(pk string) (*ecdsa.PrivateKey, common.Address) {
privateKey, err := crypto.HexToECDSA(pk)
if err != nil {
log.Fatalf("private key hex to ECDSA conversion failed: %v", err)
}
publicKeyECDSA, ok := privateKey.Public().(*ecdsa.PublicKey)
if !ok {
log.Fatal("error casting public key to ECDSA")
}
return privateKey, crypto.PubkeyToAddress(*publicKeyECDSA)
}
func initialize() (*ethclient.Client, *bind.TransactOpts, common.Address) {
pk, user1 := GetKeyAndAddress("2e0834786285daccd064ca17f1654f67b4aef298acbb82cef9ec422fb4975622")
chain, err := bind.NewKeyedTransactorWithChainID(pk, chainId)
if err != nil {
log.Fatalf("key: %s", err)
}
gasPrice, _ = client.SuggestGasPrice(context.Background())
chain.GasPrice = gasPrice
chain.GasLimit = gasLimit
nonce, err := client.PendingNonceAt(context.Background(), owner)
if err != nil {
log.Fatalf("nonce: %v", err)
}
chain.Nonce = big.NewInt(int64(nonce))
return client, chain, user1
}
func WaitMined(ctx context.Context, client *ethclient.Client, tx *types.Transaction) (*types.Receipt, error) {
queryTicker := time.NewTicker(time.Millisecond * 100)
defer queryTicker.Stop()
count := 0
for {
receipt, err := client.TransactionReceipt(ctx, tx.Hash())
if err == nil {
return receipt, nil
}
select {
case <-ctx.Done():
return nil, ctx.Err()
case <-queryTicker.C:
count++
log.Printf("Waiting for transaction %s to be confirmed... (%d/600)", tx.Hash().Hex(), count)
if count >= 600 {
return nil, fmt.Errorf("transaction timed out: %v", tx.Hash().Hex())
}
}
}
}
func checkWaitMined(ctx context.Context, client *ethclient.Client, tx *types.Transaction, msg ...string) bool {
receipt, err := WaitMined(ctx, client, tx)
if err != nil {
log.Println("failed transaction error:", err)
return false
}
if receipt.Status == 0 {
log.Println("failed transaction:", msg, receipt)
return false
}
return true
}
func waitForNodeToBeReady(client *ethclient.Client) error {
ctx := context.Background()
for {
_, err := client.BlockByNumber(ctx, nil)
if err == nil {
log.Println("Node is ready.")
break
}
if strings.Contains(err.Error(), "chain is not done bootstrapping") {
log.Println("Node is bootstrapping. Waiting...")
time.Sleep(5 * time.Second)
continue
}
return err
}
return nil
}
func TestDeployContract(t *testing.T) {
var err error
client, err = ethclient.Dial("http://127.0.0.1:9650/ext/bc/C/rpc")
if err != nil {
t.Fatalf("Failed to connect to the Ethereum client: %v", err)
}
log.Println("Waiting for node to be ready...")
err = waitForNodeToBeReady(client)
if err != nil {
t.Fatalf("Node is not ready: %v", err)
}
client, chain, owner = initialize()
ERC20Address, tx, _, err := abi.DeployERC20(chain, client, oneEther)
if err != nil {
t.Fatalf("failed to deploy %v", err)
}
t.Logf("ERC20 Contract address: %s", ERC20Address)
t.Logf("Transaction hash: %s", tx.Hash().Hex())
ctx := context.Background()
if !checkWaitMined(ctx, client, tx) {
t.Fatalf("failed to mine transaction")
}
receipt, err := client.TransactionReceipt(ctx, tx.Hash())
if err != nil {
t.Fatalf("failed to get transaction receipt: %v", err)
}
if receipt.Status == 1 {
t.Logf("Transaction status: success")
} else {
t.Logf("Transaction status: failed")
}
}
func updateNonce(client *ethclient.Client, chain *bind.TransactOpts, address common.Address) error {
nonce, err := client.PendingNonceAt(context.Background(), address)
if err != nil {
return err
}
chain.Nonce = big.NewInt(int64(nonce))
return nil
}
func TestMintAndTransfer(t *testing.T) {
var err error
client, err = ethclient.Dial("http://127.0.0.1:9650/ext/bc/C/rpc")
if err != nil {
t.Fatalf("Failed to connect to the Ethereum client: %v", err)
}
log.Println("Waiting for node to be ready...")
err = waitForNodeToBeReady(client)
if err != nil {
t.Fatalf("Node is not ready: %v", err)
}
client, chain, owner = initialize()
erc20, err := abi.NewERC20(ERC20Address, client)
if err != nil {
t.Fatalf("failed to instantiate ERC20 contract: %v", err)
}
ctx := context.Background()
mintAmount := new(big.Int).Mul(oneEther, big.NewInt(2000000000))
err = updateNonce(client, chain, owner)
if err != nil {
t.Fatalf("failed to update nonce: %v", err)
}
tx, err := erc20.Mint(chain, owner, mintAmount)
if err != nil {
t.Fatalf("failed to mint tokens: %v", err)
}
log.Printf("Minting transaction hash: %s", tx.Hash().Hex())
if !checkWaitMined(ctx, client, tx, "minting") {
receipt, err := client.TransactionReceipt(ctx, tx.Hash())
if err == nil {
log.Printf("Failed Minting transaction receipt: %+v\n", receipt)
}
t.Fatalf("failed to mint tokens")
}
toAddress := common.HexToAddress("0x25dBeC20C5d60f405F4daA2B6008e03eC1ec6095")
err = updateNonce(client, chain, owner)
if err != nil {
t.Fatalf("failed to update nonce: %v", err)
}
tx, err = erc20.Transfer(chain, toAddress, mintAmount.Div(mintAmount, big.NewInt(2)))
if err != nil {
t.Fatalf("failed to transfer tokens: %v", err)
}
log.Printf("Transfer transaction hash: %s", tx.Hash().Hex())
if !checkWaitMined(ctx, client, tx, "transfer") {
receipt, err := client.TransactionReceipt(ctx, tx.Hash())
if err == nil {
log.Printf("Failed Transfer transaction receipt: %+v\n", receipt)
}
t.Fatalf("failed to transfer tokens")
}
t.Logf("Mint and transfer test completed successfully")
}