private static LedgerStruct.Channel _resetDuplexState(LedgerStruct.Channel c)
{
c.settleFinalizedTime = 0;
LedgerStruct.ChannelStatus channelStatus = LedgerStruct.getStandardChannelStatus();
c = _updateChannelStatus(c, channelStatus.Operable);
LedgerStruct.PeerProfile[] peerProfiles = c.peerProfiles;
LedgerStruct.PeerProfile peerProfile0 = peerProfiles[0];
LedgerStruct.PeerProfile peerProfile1 = peerProfiles[1];
LedgerStruct.PeerState state = peerProfile0.state;
state.seqNum = 0;
state.transferOut = 0;
state.nextPayIdListHash = null;
state.lastPayResolveDeadline = 0;
state.pendingPayOut = 0;
peerProfile0.state = state;
state = peerProfile1.state;
state.seqNum = 0;
state.transferOut = 0;
state.nextPayIdListHash = null;
state.lastPayResolveDeadline = 0;
state.pendingPayOut = 0;
peerProfile1.state = state;
peerProfiles[0] = peerProfile0;
peerProfiles[1] = peerProfile1;
c.peerProfiles = peerProfiles;
// reset possibly remaining WithdrawIntent freezed by previous intendSettle()
LedgerStruct.WithdrawIntent intent = c.withdrawIntent;
intent.receiver = null;
intent.amount = 0;
intent.requestTime = 0;
intent.recipientChannelId = null;
c.withdrawIntent = intent;
return(c);
}
public static bool intendWithdrawMockSet(byte[] _channelId, BigInteger _amount, byte[] _recipientChannelId, byte[] _receiver)
{
BasicMethods.assert(BasicMethods._isByte32(_channelId), "_channelId illegal");
BasicMethods.assert(_amount >= 0, "_amount smaller than zero");
BasicMethods.assert(BasicMethods._isByte32(_recipientChannelId), "_recipientChannelId illegal");
BasicMethods.assert(BasicMethods._isLegalAddress(_receiver), "_receiver illegal");
LedgerStruct.Channel c = LedgerStruct.getChannelMap(_channelId);
LedgerStruct.WithdrawIntent withdrawIntent = c.withdrawIntent;
withdrawIntent.receiver = _receiver;
withdrawIntent.amount = _amount;
withdrawIntent.requestTime = Blockchain.GetHeight();
withdrawIntent.recipientChannelId = _recipientChannelId;
c.withdrawIntent = withdrawIntent;
setTmpChannelId(_channelId);
LedgerStruct.setChannelMap(_channelId, c);
return(true);
}
public static bool confirmWithdraw(byte[] _channelId)
{
BasicMethods.assert(BasicMethods._isByte32(_channelId), "_channelId illegal");
LedgerStruct.Channel c = LedgerStruct.getChannelMap(_channelId);
LedgerStruct.WithdrawIntent withdrawIntent = c.withdrawIntent;
byte[] receiver = BasicMethods.clone(withdrawIntent.receiver);
BigInteger amount = withdrawIntent.amount;
byte[] recipientChannelId = BasicMethods.clone(withdrawIntent.recipientChannelId);
withdrawIntent.receiver = null;
withdrawIntent.amount = 0;
withdrawIntent.requestTime = 0;
withdrawIntent.recipientChannelId = null;
c.withdrawIntent = withdrawIntent;
c = LedgerChannel._addWithdrawal(c, receiver, amount);
LedgerStruct.setChannelMap(_channelId, c);
LedgerStruct.BalanceMap balanceMap = LedgerChannel.getBalanceMapInner(c);
ConfirmWithdrawEvent(_channelId, amount, receiver, recipientChannelId, balanceMap.deposits, balanceMap.withdrawals);
return(true);
}
public static bool vetoWithdraw(byte[] _channelId, byte[] _sender)
{
BasicMethods.assert(BasicMethods._isByte32(_channelId), "_channelId illegal");
BasicMethods.assert(BasicMethods._isLegalAddress(_sender), "_sender illegal");
BasicMethods.assert(Runtime.CheckWitness(_sender), "_sender check witness failed");
LedgerStruct.Channel c = LedgerStruct.getChannelMap(_channelId);
LedgerStruct.ChannelStatus channelStatus = LedgerStruct.getStandardChannelStatus();
BasicMethods.assert(c.status == channelStatus.Operable, "Channel status error");
LedgerStruct.WithdrawIntent withdrawIntent = c.withdrawIntent;
byte[] receiver = withdrawIntent.receiver;
BasicMethods.assert(receiver.ToBigInteger() != 0, "No pending withdraw intent");
BasicMethods.assert(LedgerChannel._isPeer(c, _sender), "msg.sender is not peer");
withdrawIntent.receiver = null;
withdrawIntent.amount = 0;
withdrawIntent.requestTime = 0;
withdrawIntent.recipientChannelId = null;
c.withdrawIntent = withdrawIntent;
LedgerStruct.setChannelMap(_channelId, c);
VetoWithdrawEvent(_channelId);
return(true);
}
