public ResultWrapper <TransactionForRpc> eth_getTransactionByBlockNumberAndIndex(BlockParameter blockParameter, UInt256 positionIndex)
{
SearchResult <Block> searchResult = _blockFinder.SearchForBlock(blockParameter);
if (searchResult.IsError)
{
return(ResultWrapper <TransactionForRpc> .Fail(searchResult));
}
Block block = searchResult.Object;
if (positionIndex < 0 || positionIndex > block.Transactions.Length - 1)
{
return(ResultWrapper <TransactionForRpc> .Fail("Position Index is incorrect", ErrorCodes.InvalidParams));
}
Transaction transaction = block.Transactions[(int)positionIndex];
RecoverTxSenderIfNeeded(transaction);
TransactionForRpc transactionModel = new TransactionForRpc(block.Hash, block.Number, (int)positionIndex, transaction);
if (_logger.IsDebug)
{
_logger.Debug($"eth_getTransactionByBlockNumberAndIndex request {blockParameter}, index: {positionIndex}, result: {transactionModel.Hash}");
}
return(ResultWrapper <TransactionForRpc> .Success(transactionModel));
}
public ResultWrapper <TransactionForRpc> eth_getTransactionByBlockHashAndIndex(Keccak blockHash,
UInt256 positionIndex)
{
SearchResult <Block> searchResult = _blockFinder.SearchForBlock(new BlockParameter(blockHash));
if (searchResult.IsError)
{
return(ResultWrapper <TransactionForRpc> .Fail(searchResult));
}
Block block = searchResult.Object;
if (positionIndex < 0 || positionIndex > block.Transactions.Length - 1)
{
return(ResultWrapper <TransactionForRpc> .Fail("Position Index is incorrect", ErrorCodes.InvalidParams));
}
Transaction transaction = block.Transactions[(int)positionIndex];
RecoverTxSenderIfNeeded(transaction);
TransactionForRpc transactionModel = new(block.Hash, block.Number, (int)positionIndex, transaction, block.BaseFeePerGas);
return(ResultWrapper <TransactionForRpc> .Success(transactionModel));
}
public void RecoverTxSenders(Block block)
{
for (int i = 0; i < block.Transactions.Length; i++)
{
RecoverTxSender(block.Transactions[i], block.Number);
}
}
private static void LoadGenesisBlock(
ChainSpec chainSpec,
Keccak expectedGenesisHash,
IBlockTree blockTree,
IStateProvider stateProvider,
ISpecProvider specProvider)
{
// if we already have a database with blocks then we do not need to load genesis from spec
if (blockTree.Genesis != null)
{
return;
}
foreach ((Address address, (UInt256 balance, byte[] code)) in chainSpec.Allocations)
{
stateProvider.CreateAccount(address, balance);
if (code != null)
{
Keccak codeHash = stateProvider.UpdateCode(code);
stateProvider.UpdateCodeHash(address, codeHash, specProvider.GenesisSpec);
}
}
stateProvider.Commit(specProvider.GenesisSpec);
Block genesis = chainSpec.Genesis;
genesis.StateRoot = stateProvider.StateRoot;
genesis.Hash = BlockHeader.CalculateHash(genesis.Header);
ManualResetEventSlim genesisProcessedEvent = new ManualResetEventSlim(false);
bool genesisLoaded = false;
void GenesisProcessed(object sender, BlockEventArgs args)
{
genesisLoaded = true;
blockTree.NewHeadBlock -= GenesisProcessed;
genesisProcessedEvent.Set();
}
blockTree.NewHeadBlock += GenesisProcessed;
blockTree.SuggestBlock(genesis);
genesisProcessedEvent.Wait(TimeSpan.FromSeconds(5));
if (!genesisLoaded)
{
throw new BlockchainException("Genesis block processing failure");
}
// if expectedGenesisHash is null here then it means that we do not care about the exact value in advance (e.g. in test scenarios)
if (expectedGenesisHash != null && blockTree.Genesis.Hash != expectedGenesisHash)
{
throw new Exception($"Unexpected genesis hash, expected {expectedGenesisHash}, but was {blockTree.Genesis.Hash}");
}
}
public void RecoverTxSenders(Block block)
{
for (int i = 0; i < block.Transactions.Length; i++)
{
var transaction = block.Transactions[i];
if (transaction.SenderAddress == null)
{
RecoverTxSender(transaction, block.Number);
}
}
}
public (TxReceipt Receipt, Transaction Transaction) GetTransaction(Keccak transactionHash)
{
TxReceipt txReceipt = _receiptStorage.Find(transactionHash);
if (txReceipt?.BlockHash == null)
{
return(null, null);
}
Block block = _blockTree.FindBlock(txReceipt.BlockHash, BlockTreeLookupOptions.RequireCanonical);
return(txReceipt, block?.Transactions[txReceipt.Index]);
}
public (TransactionReceipt Receipt, Transaction Transaction) GetTransaction(Keccak transactionHash)
{
TransactionReceipt receipt = _receiptStorage.Get(transactionHash);
if (receipt.BlockHash == null)
{
return(null, null);
}
Block block = _blockTree.FindBlock(receipt.BlockHash, true);
return(receipt, block.Transactions[receipt.Index]);
}
public long EstimateGas(Block block, Transaction transaction)
{
_stateProvider.StateRoot = _blockTree.Head.StateRoot;
BlockHeader header = new BlockHeader(block.Hash, Keccak.OfAnEmptySequenceRlp, block.Beneficiary,
block.Difficulty, block.Number + 1, block.GasLimit, block.Timestamp + 1, Bytes.Empty);
transaction.Nonce = _stateProvider.GetNonce(transaction.SenderAddress);
transaction.Hash = Nethermind.Core.Transaction.CalculateHash(transaction);
CallOutputTracer callOutputTracer = new CallOutputTracer();
_transactionProcessor.CallAndRestore(transaction, header, callOutputTracer);
_stateProvider.Reset();
return(callOutputTracer.GasSpent);
}
public void Can_serialize_reward()
{
Block block = Build.A.Block.WithNumber(long.Parse("4563918244f40000".AsSpan(), NumberStyles.AllowHexSpecifier)).TestObject;
IBlockTracer blockTracer = new ParityLikeBlockTracer(ParityTraceTypes.Trace | ParityTraceTypes.StateDiff);
blockTracer.StartNewBlockTrace(block);
ITxTracer txTracer = blockTracer.StartNewTxTrace(null);
txTracer.ReportBalanceChange(TestItem.AddressA, 0, 3.Ether());
blockTracer.EndTxTrace();
blockTracer.ReportReward(TestItem.AddressA, "block", UInt256.One);
ParityLikeTxTrace trace = ((ParityLikeBlockTracer)blockTracer).BuildResult().SingleOrDefault();
TestOneWaySerialization(trace, "{\"trace\":[{\"action\":{\"callType\":\"reward\",\"from\":null,\"gas\":\"0x0\",\"input\":null,\"to\":null,\"value\":\"0x1\"},\"blockHash\":\"0xfed4f714d3626e046786ef043cbb30a4b87cdc288469d0b70e4529bbd4e15396\",\"blockNumber\":\"0x4563918244f40000\",\"result\":{\"gasUsed\":\"0x0\",\"output\":null},\"subtraces\":0,\"traceAddress\":\"[]\",\"transactionHash\":null,\"transactionPosition\":null,\"type\":\"reward\"}],\"stateDiff\":{\"0xb7705ae4c6f81b66cdb323c65f4e8133690fc099\":{\"balance\":{\"*\":{\"from\":\"0x0\",\"to\":\"0x29a2241af62c0000\"}},\"code\":\"=\",\"nonce\":\"=\",\"storage\":{}}}}");
}
public void Can_serialize_reward_state_only()
{
Block block = Build.A.Block.WithNumber(long.Parse("4563918244f40000".AsSpan(), NumberStyles.AllowHexSpecifier)).TestObject;
IBlockTracer blockTracer = new ParityLikeBlockTracer(ParityTraceTypes.StateDiff);
blockTracer.StartNewBlockTrace(block);
ITxTracer txTracer = blockTracer.StartNewTxTrace(null);
txTracer.ReportBalanceChange(TestItem.AddressA, 0, 3.Ether());
blockTracer.EndTxTrace();
blockTracer.ReportReward(TestItem.AddressA, "block", UInt256.One);
ParityLikeTxTrace trace = ((ParityLikeBlockTracer)blockTracer).BuildResult().SingleOrDefault();
TestOneWaySerialization(trace, "{\"trace\":null,\"stateDiff\":{\"0xb7705ae4c6f81b66cdb323c65f4e8133690fc099\":{\"balance\":{\"*\":{\"from\":\"0x0\",\"to\":\"0x29a2241af62c0000\"}},\"code\":\"=\",\"nonce\":\"=\",\"storage\":{}}}}");
}
public (TxReceipt Receipt, UInt256?EffectiveGasPrice) GetReceiptAndEffectiveGasPrice(Keccak txHash)
{
Keccak blockHash = _receiptFinder.FindBlockHash(txHash);
if (blockHash != null)
{
Block block = _blockTree.FindBlock(blockHash, BlockTreeLookupOptions.TotalDifficultyNotNeeded);
TxReceipt txReceipt = _receiptFinder.Get(block).ForTransaction(txHash);
Transaction tx = block?.Transactions[txReceipt.Index];
bool is1559Enabled = _specProvider.GetSpec(block.Number).IsEip1559Enabled;
UInt256 effectiveGasPrice = tx.CalculateEffectiveGasPrice(is1559Enabled, block.Header.BaseFeePerGas);
return(txReceipt, effectiveGasPrice);
}
return(null, null);
}
public (TxReceipt Receipt, Transaction Transaction) GetTransaction(Keccak transactionHash)
{
TxReceipt txReceipt = _receiptStorage.Find(transactionHash);
if (txReceipt?.BlockHash != null)
{
Block block = _blockTree.FindBlock(txReceipt.BlockHash, BlockTreeLookupOptions.RequireCanonical);
return(txReceipt, block?.Transactions[txReceipt.Index]);
}
else if (_txPool.TryGetPendingTransaction(transactionHash, out var transaction))
{
return(null, transaction);
}
else
{
return(null, null);
}
}
public (TxReceipt Receipt, Transaction Transaction, UInt256?baseFee) GetTransaction(Keccak txHash)
{
Keccak blockHash = _receiptFinder.FindBlockHash(txHash);
if (blockHash is not null)
{
Block block = _processingEnv.BlockTree.FindBlock(blockHash, BlockTreeLookupOptions.TotalDifficultyNotNeeded);
TxReceipt txReceipt = _receiptFinder.Get(block).ForTransaction(txHash);
return(txReceipt, block?.Transactions[txReceipt.Index], block?.BaseFeePerGas);
}
if (_txPool.TryGetPendingTransaction(txHash, out Transaction? transaction))
{
return(null, transaction, null);
}
return(null, null, null);
}
public (TxReceipt Receipt, Transaction Transaction) GetTransaction(Keccak txHash)
{
Keccak blockHash = _receiptFinder.FindBlockHash(txHash);
if (blockHash != null)
{
Block block = _blockTree.FindBlock(blockHash, BlockTreeLookupOptions.TotalDifficultyNotNeeded);
TxReceipt txReceipt = _receiptFinder.Get(block).ForTransaction(txHash);
return(txReceipt, block?.Transactions[txReceipt.Index]);
}
if (_txPool.TryGetPendingTransaction(txHash, out var transaction))
{
return(null, transaction);
}
return(null, null);
}
private ResultWrapper <BlockForRpc> GetBlock(BlockParameter blockParameter, bool returnFullTransactionObjects)
{
SearchResult <Block> searchResult = _blockFinder.SearchForBlock(blockParameter, true);
if (searchResult.IsError)
{
return(ResultWrapper <BlockForRpc> .Fail(searchResult));
}
Block block = searchResult.Object;
if (block != null)
{
_blockchainBridge.RecoverTxSenders(block);
}
return(ResultWrapper <BlockForRpc> .Success(block == null?null : new BlockForRpc(block, returnFullTransactionObjects)));
}
private ResultWrapper <BlockForRpc> GetUncle(BlockParameter blockParameter, UInt256 positionIndex)
{
SearchResult <Block> searchResult = _blockFinder.SearchForBlock(blockParameter);
if (searchResult.IsError)
{
return(ResultWrapper <BlockForRpc> .Fail(searchResult));
}
Block block = searchResult.Object;
if (positionIndex < 0 || positionIndex > block.Uncles.Length - 1)
{
return(ResultWrapper <BlockForRpc> .Fail("Position Index is incorrect", ErrorCodes.InvalidParams));
}
BlockHeader uncleHeader = block.Uncles[(int)positionIndex];
return(ResultWrapper <BlockForRpc> .Success(new BlockForRpc(new Block(uncleHeader, BlockBody.Empty), false, _specProvider)));
}
public byte[] Call(Block block, Transaction transaction)
{
try
{
_readerWriterLockSlim.EnterWriteLock();
_stateProvider.StateRoot = _blockTree.Head.StateRoot;
BlockHeader header = new BlockHeader(block.Hash, Keccak.OfAnEmptySequenceRlp, block.Beneficiary,
block.Difficulty, block.Number + 1, (long)transaction.GasLimit, block.Timestamp + 1, Bytes.Empty);
transaction.Nonce = _stateProvider.GetNonce(transaction.SenderAddress);
transaction.Hash = Transaction.CalculateHash(transaction);
CallOutputTracer callOutputTracer = new CallOutputTracer();
_transactionProcessor.CallAndRestore(transaction, header, callOutputTracer);
_stateProvider.Reset();
return(callOutputTracer.ReturnValue);
}
finally
{
_readerWriterLockSlim.ExitWriteLock();
}
}
private void LoadGenesisBlock(Keccak expectedGenesisHash)
{
// if we already have a database with blocks then we do not need to load genesis from spec
if (_blockTree.Genesis != null)
{
ValidateGenesisHash(expectedGenesisHash);
return;
}
Block genesis = _chainSpec.Genesis;
CreateSystemAccounts();
foreach ((Address address, ChainSpecAllocation allocation) in _chainSpec.Allocations)
{
_stateProvider.CreateAccount(address, allocation.Balance);
if (allocation.Code != null)
{
Keccak codeHash = _stateProvider.UpdateCode(allocation.Code);
_stateProvider.UpdateCodeHash(address, codeHash, _specProvider.GenesisSpec);
}
if (allocation.Constructor != null)
{
Transaction constructorTransaction = new Transaction(true)
{
SenderAddress = address,
Init = allocation.Constructor,
GasLimit = genesis.GasLimit
};
_transactionProcessor.Execute(constructorTransaction, genesis.Header, NullTxTracer.Instance);
}
}
_storageProvider.Commit();
_stateProvider.Commit(_specProvider.GenesisSpec);
_storageProvider.CommitTrees();
_stateProvider.CommitTree();
_dbProvider.StateDb.Commit();
_dbProvider.CodeDb.Commit();
genesis.StateRoot = _stateProvider.StateRoot;
genesis.Hash = BlockHeader.CalculateHash(genesis.Header);
ManualResetEventSlim genesisProcessedEvent = new ManualResetEventSlim(false);
bool genesisLoaded = false;
void GenesisProcessed(object sender, BlockEventArgs args)
{
genesisLoaded = true;
_blockTree.NewHeadBlock -= GenesisProcessed;
genesisProcessedEvent.Set();
}
_blockTree.NewHeadBlock += GenesisProcessed;
_blockTree.SuggestBlock(genesis);
genesisProcessedEvent.Wait(TimeSpan.FromSeconds(5));
if (!genesisLoaded)
{
throw new BlockchainException("Genesis block processing failure");
}
ValidateGenesisHash(expectedGenesisHash);
}
public TxReceipt[] GetReceipts(Block block) => _receiptStorage.FindForBlock(block);
