private bool HasStateForBlock(BlockHeader header)
{
RootCheckVisitor rootCheckVisitor = new RootCheckVisitor();
_blockchainBridge.RunTreeVisitor(rootCheckVisitor, header.StateRoot);
return(rootCheckVisitor.HasRoot);
}
// https://github.com/ethereum/EIPs/issues/1186
public ResultWrapper <AccountProof> eth_getProof(Address accountAddress, byte[][] storageKeys,
BlockParameter blockParameter)
{
BlockHeader header;
try
{
header = _blockFinder.FindHeader(blockParameter);
if (header == null)
{
return(ResultWrapper <AccountProof> .Fail($"{blockParameter} block not found",
ErrorCodes.ResourceNotFound, null));
}
if (!HasStateForBlock(_blockchainBridge, header))
{
return(ResultWrapper <AccountProof> .Fail($"No state available for block {header.Hash}",
ErrorCodes.ResourceUnavailable));
}
}
catch (Exception ex)
{
return(ResultWrapper <AccountProof> .Fail(ex.Message, ErrorCodes.InternalError, null));
}
AccountProofCollector accountProofCollector = new(accountAddress, storageKeys);
_blockchainBridge.RunTreeVisitor(accountProofCollector, header.StateRoot);
return(ResultWrapper <AccountProof> .Success(accountProofCollector.BuildResult()));
}
private static bool HasStateForBlock(IBlockchainBridge blockchainBridge, BlockHeader header)
{
RootCheckVisitor rootCheckVisitor = new();
blockchainBridge.RunTreeVisitor(rootCheckVisitor, header.StateRoot);
return(rootCheckVisitor.HasRoot);
}
// https://github.com/ethereum/EIPs/issues/1186
public ResultWrapper <AccountProof> eth_getProof(Address accountAddress, byte[][] storageKeys, BlockParameter blockParameter)
{
BlockHeader header;
try
{
header = _blockchainBridge.GetHeader(blockParameter);
}
catch (JsonRpcException ex)
{
return(ResultWrapper <AccountProof> .Fail(ex.Message, ex.ErrorType, null));
}
ProofCollector proofCollector = new ProofCollector(accountAddress, storageKeys);
_blockchainBridge.RunTreeVisitor(proofCollector, header.StateRoot);
return(ResultWrapper <AccountProof> .Success(proofCollector.BuildResult()));
}