public static (Deposit, Hash32) BuildDeposit(IServiceProvider testServiceProvider, BeaconState?state, IList <DepositData> depositDataList, BlsPublicKey publicKey, byte[] privateKey, Gwei amount, Hash32 withdrawalCredentials, bool signed)
{
var chainConstants = testServiceProvider.GetService <ChainConstants>();
var beaconChainUtility = testServiceProvider.GetService <BeaconChainUtility>();
var depositData = BuildDepositData(testServiceProvider, publicKey, privateKey, amount, withdrawalCredentials, state, signed);
var index = depositDataList.Count;
depositDataList.Add(depositData);
Hash32 root = depositDataList.HashTreeRoot((ulong)1 << chainConstants.DepositContractTreeDepth);
var allLeaves = depositDataList.Select(x => x.HashTreeRoot());
var tree = TestSecurity.CalculateMerkleTreeFromLeaves(allLeaves);
var merkleProof = TestSecurity.GetMerkleProof(tree, index, 32);
var proof = new List <Hash32>(merkleProof);
var indexBytes = new Span <byte>(new byte[32]);
BitConverter.TryWriteBytes(indexBytes, (ulong)index + 1);
if (!BitConverter.IsLittleEndian)
{
indexBytes.Slice(0, 8).Reverse();
}
var indexHash = new Hash32(indexBytes);
proof.Add(indexHash);
var leaf = depositData.HashTreeRoot();
beaconChainUtility.IsValidMerkleBranch(leaf, proof, chainConstants.DepositContractTreeDepth + 1, (ulong)index, root);
var deposit = new Deposit(proof, depositData);
return(deposit, root);
}
public static (Deposit, Root) BuildDeposit(IServiceProvider testServiceProvider, BeaconState?state, IList <DepositData> depositDataList, BlsPublicKey publicKey, byte[] privateKey, Gwei amount, Bytes32 withdrawalCredentials, bool signed)
{
ChainConstants chainConstants = testServiceProvider.GetService <ChainConstants>();
BeaconChainUtility beaconChainUtility = testServiceProvider.GetService <BeaconChainUtility>();
ICryptographyService cryptographyService = testServiceProvider.GetService <ICryptographyService>();
DepositData depositData = BuildDepositData(testServiceProvider, publicKey, privateKey, amount, withdrawalCredentials, state, signed);
int index = depositDataList.Count;
depositDataList.Add(depositData);
Root root = cryptographyService.HashTreeRoot(depositDataList);
IEnumerable <Bytes32> allLeaves = depositDataList.Select(x => new Bytes32(cryptographyService.HashTreeRoot(x).AsSpan()));
IList <IList <Bytes32> > tree = TestSecurity.CalculateMerkleTreeFromLeaves(allLeaves);
IList <Bytes32> merkleProof = TestSecurity.GetMerkleProof(tree, index, 32);
List <Bytes32> proof = new List <Bytes32>(merkleProof);
Span <byte> indexBytes = new Span <byte>(new byte[32]);
BitConverter.TryWriteBytes(indexBytes, (ulong)index + 1);
if (!BitConverter.IsLittleEndian)
{
indexBytes.Slice(0, 8).Reverse();
}
Bytes32 indexHash = new Bytes32(indexBytes);
proof.Add(indexHash);
Bytes32 leaf = new Bytes32(cryptographyService.HashTreeRoot(depositData).AsSpan());
bool checkValid = beaconChainUtility.IsValidMerkleBranch(leaf, proof, chainConstants.DepositContractTreeDepth + 1, (ulong)index, root);
Deposit deposit = new Deposit(proof, depositData);
return(deposit, root);
}