public virtual void ConfigureEscrowedCoin(uint160 channelId, ScriptCoin escrowedCoin, Key escrowKey,
Script redeemDestination)
{
if (escrowedCoin == null)
{
throw new ArgumentNullException(nameof(escrowedCoin));
}
if (escrowKey == null)
{
throw new ArgumentNullException(nameof(escrowKey));
}
var escrow = EscrowScriptPubKeyParameters.GetFromCoin(escrowedCoin);
if (escrow == null ||
escrow.Initiator != escrowKey.PubKey)
{
throw new PuzzleException("Invalid escrow");
}
InternalState.ChannelId = channelId ?? throw new ArgumentNullException(nameof(channelId));
InternalState.EscrowedCoin = escrowedCoin;
InternalState.EscrowKey = escrowKey;
InternalState.RedeemDestination =
redeemDestination ?? throw new ArgumentNullException(nameof(redeemDestination));
Logs.Tumbler.LogDebug(
$"EscrowInitiator.ConfigureEscrowedCoin() - ChannelId : {InternalState.ChannelId}, EscrowedCoin.Outpoint.Hash : {InternalState.EscrowedCoin.Outpoint.Hash}, EscrowedCoin.Outpoint.N : {InternalState.EscrowedCoin.Outpoint.N}, RedeemDestination : {InternalState.RedeemDestination}");
}
public TrustedBroadcastRequest CreateRedeemTransaction(FeeRate feeRate)
{
if (feeRate == null)
{
throw new ArgumentNullException(nameof(feeRate));
}
var escrow = EscrowScriptPubKeyParameters.GetFromCoin(InternalState.EscrowedCoin);
var escrowCoin = InternalState.EscrowedCoin;
Transaction tx = new Transaction();
tx.LockTime = escrow.LockTime;
tx.Inputs.Add(new TxIn());
//Put a dummy signature and the redeem script
tx.Inputs[0].ScriptSig =
new Script(
Op.GetPushOp(TrustedBroadcastRequest.PlaceholderSignature),
Op.GetPushOp(escrowCoin.Redeem.ToBytes()));
tx.Inputs[0].Witnessify();
tx.Inputs[0].Sequence = 0;
tx.Outputs.Add(new TxOut(escrowCoin.Amount, InternalState.RedeemDestination));
tx.Outputs[0].Value -= feeRate.GetFee(tx.GetVirtualSize());
var redeemTransaction = new TrustedBroadcastRequest
{
Key = InternalState.EscrowKey,
PreviousScriptPubKey = escrowCoin.ScriptPubKey,
Transaction = tx,
KnownPrevious = new Coin[] { escrowCoin }
};
return(redeemTransaction);
}
public virtual void ConfigureEscrowedCoin(ScriptCoin escrowedCoin, Key escrowKey, Script redeemDestination)
{
if (escrowedCoin == null)
{
throw new ArgumentNullException(nameof(escrowedCoin));
}
if (escrowKey == null)
{
throw new ArgumentNullException(nameof(escrowKey));
}
if (redeemDestination == null)
{
throw new ArgumentNullException(nameof(redeemDestination));
}
var escrow = EscrowScriptPubKeyParameters.GetFromCoin(escrowedCoin);
if (escrow == null ||
escrow.Initiator != escrowKey.PubKey)
{
throw new PuzzleException("Invalid escrow");
}
InternalState.EscrowedCoin = escrowedCoin;
InternalState.EscrowKey = escrowKey;
InternalState.RedeemDestination = redeemDestination;
}