prysm-pulse/testing/endtoend/components/eth1/helpers.go
2022-03-07 23:14:10 +00:00

64 lines
1.9 KiB
Go

package eth1
import (
"context"
"math/big"
"time"
"github.com/ethereum/go-ethereum/accounts/keystore"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/ethclient"
e2etypes "github.com/prysmaticlabs/prysm/testing/endtoend/types"
)
// NetworkId is the ID of the ETH1 chain.
const NetworkId = 1337
// KeystorePassword is the password used to decrypt ETH1 keystores.
const KeystorePassword = "password"
const minerPasswordFile = "password.txt"
const minerFile = "UTC--2021-12-22T19-14-08.590377700Z--878705ba3f8bc32fcf7f4caa1a35e72af65cf766"
const timeGapPerTX = 100 * time.Millisecond
const staticFilesPath = "/testing/endtoend/static-files/eth1"
const timeGapPerMiningTX = 250 * time.Millisecond
var _ e2etypes.ComponentRunner = (*NodeSet)(nil)
var _ e2etypes.ComponentRunner = (*Miner)(nil)
var _ e2etypes.ComponentRunner = (*Node)(nil)
// WaitForBlocks waits for a certain amount of blocks to be mined by the ETH1 chain before returning.
func WaitForBlocks(web3 *ethclient.Client, keystore *keystore.Key, blocksToWait uint64) error {
nonce, err := web3.PendingNonceAt(context.Background(), keystore.Address)
if err != nil {
return err
}
chainID, err := web3.NetworkID(context.Background())
if err != nil {
return err
}
block, err := web3.BlockByNumber(context.Background(), nil)
if err != nil {
return err
}
finishBlock := block.NumberU64() + blocksToWait
for block.NumberU64() <= finishBlock {
spamTX := types.NewTransaction(nonce, keystore.Address, big.NewInt(0), 21000, big.NewInt(1e6), []byte{})
signed, err := types.SignTx(spamTX, types.NewEIP155Signer(chainID), keystore.PrivateKey)
if err != nil {
return err
}
if err = web3.SendTransaction(context.Background(), signed); err != nil {
return err
}
nonce++
time.Sleep(timeGapPerMiningTX)
block, err = web3.BlockByNumber(context.Background(), nil)
if err != nil {
return err
}
}
return nil
}