public async Task <OperationResult <PushTransactionResults> > BroadcastActionsAsync(BaseAction[] baseActions, List <byte[]> privateKeys, CancellationToken token)
{
var initOpRez = await AbiJsonToBinAsync(baseActions, token).ConfigureAwait(false);
if (initOpRez.IsError)
{
return(new OperationResult <PushTransactionResults>(initOpRez));
}
var infoResp = await GetInfoAsync(token).ConfigureAwait(false);
if (infoResp.IsError)
{
return(new OperationResult <PushTransactionResults>(infoResp));
}
var info = infoResp.Result;
var blockArgs = new GetBlockParams
{
BlockNumOrId = info.HeadBlockId
};
var getBlock = await GetBlockAsync(blockArgs, token).ConfigureAwait(false);
if (getBlock.IsError)
{
return(new OperationResult <PushTransactionResults>(getBlock));
}
var block = getBlock.Result;
var trx = new SignedTransaction
{
Actions = baseActions,
RefBlockNum = (ushort)(block.BlockNum & 0xffff),
RefBlockPrefix = block.RefBlockPrefix,
Expiration = block.Timestamp.Value.AddSeconds(30)
};
var packedTrx = MessageSerializer.Serialize <SignedTransaction>(trx);
var chainId = Hex.HexToBytes(info.ChainId);
var msg = new byte[chainId.Length + packedTrx.Length + 32];
Array.Copy(chainId, msg, chainId.Length);
Array.Copy(packedTrx, 0, msg, chainId.Length, packedTrx.Length);
var sha256 = Sha256Manager.GetHash(msg);
var pack = new PackedTransaction
{
PackedTrx = packedTrx,
Signatures = new string[privateKeys.Count],
PackedContextFreeData = new Bytes(),
Compression = CompressionType.None
};
for (var i = 0; i < privateKeys.Count; i++)
{
var key = privateKeys[i];
var sig = Secp256K1Manager.SignCompressedCompact(sha256, key);
var sigHex = Base58.EncodeSig(sig);
pack.Signatures[i] = sigHex;
}
return(await PushTransactionAsync(pack, token).ConfigureAwait(false));
}
public async Task <PackedTransaction> CreatePackedTransaction(CreateTransactionArgs args, CancellationToken token)
{
//1
var infoResp = await GetInfo(token);
if (infoResp.IsError)
{
return(null);
}
var info = infoResp.Result;
//2
var blockArgs = new GetBlockParams
{
BlockNumOrId = info.HeadBlockId
};
var getBlock = await GetBlock(blockArgs, token);
if (getBlock.IsError)
{
return(null);
}
var block = getBlock.Result;
//3
var transaction = new SignedTransaction
{
RefBlockNum = (ushort)(block.BlockNum & 0xffff),
RefBlockPrefix = block.RefBlockPrefix,
Expiration = block.Timestamp.Value.AddSeconds(30),
Actions = args.Actions
};
var packedTrx = MessageSerializer.Serialize <SignedTransaction>(transaction);
var chainId = Hex.HexToBytes(info.ChainId);
var msg = new byte[chainId.Length + packedTrx.Length + 32];
Array.Copy(chainId, msg, chainId.Length);
Array.Copy(packedTrx, 0, msg, chainId.Length, packedTrx.Length);
var sha256 = Sha256Manager.GetHash(msg);
transaction.Signatures = new string[args.PrivateKeys.Count];
for (var i = 0; i < args.PrivateKeys.Count; i++)
{
var key = args.PrivateKeys[i];
var sig = Secp256K1Manager.SignCompressedCompact(sha256, key);
var sigHex = Base58.EncodeSig(sig);
transaction.Signatures[i] = sigHex;
}
return(new PackedTransaction
{
PackedTrx = Hex.ToString(packedTrx),
Signatures = transaction.Signatures,
PackedContextFreeData = "",
Compression = "none"
});
}
