public void LockTokens(Address from, string symbol, BigInteger amount, uint duration)
{
Runtime.Expect(amount > 0, "amount must be greater than zero");
Runtime.Expect(duration >= 86400, "minimum duration should be one day"); // minimum 1 day
Runtime.Expect(IsWitness(from), "invalid witness");
Runtime.Expect(Runtime.Nexus.TokenExists(symbol), "invalid token");
var tokenInfo = this.Runtime.Nexus.GetTokenInfo(symbol);
Runtime.Expect(tokenInfo.Flags.HasFlag(TokenFlags.Fungible), "token must be fungible");
Runtime.Expect(Runtime.Nexus.TransferTokens(Runtime, symbol, from, this.Address, amount), "transfer failed");
var list = _entries.Get <Address, StorageList>(from);
var entry = new VaultEntry()
{
amount = amount,
unlockTime = Runtime.Time + TimeSpan.FromSeconds(duration),
};
list.Add(entry);
Runtime.Notify(EventKind.TokenEscrow, from, new TokenEventData()
{
symbol = symbol, value = amount, chainAddress = Runtime.Chain.Address
});
}
public void LockTokens(Address from, string symbol, BigInteger amount, uint duration)
{
Runtime.Expect(amount > 0, "amount must be greater than zero");
Runtime.Expect(duration >= 86400, "minimum duration should be one day"); // minimum 1 day
Runtime.Expect(IsWitness(from), "invalid witness");
var token = this.Runtime.Nexus.FindTokenBySymbol(symbol);
Runtime.Expect(token != null, "invalid token");
Runtime.Expect(token.Flags.HasFlag(TokenFlags.Fungible), "token must be fungible");
var balances = this.Runtime.Chain.GetTokenBalances(token);
Runtime.Expect(token.Transfer(balances, from, Runtime.Chain.Address, amount), "transfer failed");
List <VaultEntry> list;
if (_entries.ContainsKey(from))
{
list = _entries[from];
}
else
{
list = new List <VaultEntry>();
_entries[from] = list;
}
var entry = new VaultEntry()
{
amount = amount,
unlockTime = Runtime.Block.Timestamp.Value + duration,
};
list.Add(entry);
}
public void LockTokens(Address from, string symbol, BigInteger amount, uint duration)
{
Runtime.Expect(amount > 0, "amount must be greater than zero");
Runtime.Expect(duration >= 86400, "minimum duration should be one day"); // minimum 1 day
Runtime.Expect(IsWitness(from), "invalid witness");
Runtime.Expect(Runtime.Nexus.TokenExists(symbol), "invalid token");
var tokenInfo = this.Runtime.Nexus.GetTokenInfo(symbol);
Runtime.Expect(tokenInfo.Flags.HasFlag(TokenFlags.Fungible), "token must be fungible");
Runtime.Expect(Runtime.Nexus.TransferTokens(Runtime, symbol, from, Runtime.Chain.Address, amount), "transfer failed");
List <VaultEntry> list;
if (_entries.ContainsKey(from))
{
list = _entries[from];
}
else
{
list = new List <VaultEntry>();
_entries[from] = list;
}
var entry = new VaultEntry()
{
amount = amount,
unlockTime = Runtime.Time + TimeSpan.FromSeconds(duration),
};
list.Add(entry);
}