public IEnumerable <(ECPoint PublicKey, BigInteger Votes)> GetRegisteredValidators(Snapshot snapshot) { return(snapshot.Storages.Find(new[] { Prefix_Validator }).Select(p => ( p.Key.Key.Skip(1).ToArray().AsSerializable <ECPoint>(), ValidatorState.FromByteArray(p.Value.Value).Votes ))); }
public void TestValidatorState_FromByteArray() { ValidatorState input = new ValidatorState { Votes = new BigInteger(1000) }; ValidatorState output = ValidatorState.FromByteArray(input.ToByteArray()); output.Should().BeEquivalentTo(input); }
public IEnumerable <(ECPoint PublicKey, BigInteger Votes)> GetRegisteredValidators(StoreView snapshot) { byte[] prefix_key = StorageKey.CreateSearchPrefix(Id, new[] { Prefix_Validator }); return(snapshot.Storages.Find(prefix_key).Select(p => ( p.Key.Key.AsSerializable <ECPoint>(1), ValidatorState.FromByteArray(p.Value.Value).Votes ))); }
private StackItem Vote(ApplicationEngine engine, VMArray args) { UInt160 account = new UInt160(args[0].GetByteArray()); ECPoint[] pubkeys = ((VMArray)args[1]).Select(p => p.GetByteArray().AsSerializable <ECPoint>()).ToArray(); if (!InteropService.CheckWitness(engine, account)) { return(false); } StorageKey key_account = CreateAccountKey(account); if (engine.Snapshot.Storages.TryGet(key_account) is null) { return(false); } StorageItem storage_account = engine.Snapshot.Storages.GetAndChange(key_account); AccountState state_account = new AccountState(storage_account.Value); foreach (ECPoint pubkey in state_account.Votes) { StorageItem storage_validator = engine.Snapshot.Storages.GetAndChange(CreateStorageKey(Prefix_Validator, pubkey.ToArray())); ValidatorState state_validator = ValidatorState.FromByteArray(storage_validator.Value); state_validator.Votes -= state_account.Balance; storage_validator.Value = state_validator.ToByteArray(); } pubkeys = pubkeys.Distinct().Where(p => engine.Snapshot.Storages.TryGet(CreateStorageKey(Prefix_Validator, p.ToArray())) != null).ToArray(); if (pubkeys.Length != state_account.Votes.Length) { StorageItem storage_count = engine.Snapshot.Storages.GetAndChange(CreateStorageKey(Prefix_ValidatorsCount), () => new StorageItem { Value = new ValidatorsCountState().ToByteArray() }); ValidatorsCountState state_count = ValidatorsCountState.FromByteArray(storage_count.Value); if (state_account.Votes.Length > 0) { state_count.Votes[state_account.Votes.Length - 1] -= state_account.Balance; } if (pubkeys.Length > 0) { state_count.Votes[pubkeys.Length - 1] += state_account.Balance; } storage_count.Value = state_count.ToByteArray(); } state_account.Votes = pubkeys; storage_account.Value = state_account.ToByteArray(); foreach (ECPoint pubkey in state_account.Votes) { StorageItem storage_validator = engine.Snapshot.Storages.GetAndChange(CreateStorageKey(Prefix_Validator, pubkey.ToArray())); ValidatorState state_validator = ValidatorState.FromByteArray(storage_validator.Value); state_validator.Votes += state_account.Balance; storage_validator.Value = state_validator.ToByteArray(); } return(true); }
protected override void OnBalanceChanging(ApplicationEngine engine, UInt160 account, AccountState state, BigInteger amount) { DistributeGas(engine, account, state); if (amount.IsZero) { return; } if (state.Votes.Length == 0) { return; } foreach (ECPoint pubkey in state.Votes) { StorageItem storage_validator = engine.Snapshot.Storages.GetAndChange(CreateStorageKey(Prefix_Validator, pubkey.ToArray())); ValidatorState state_validator = ValidatorState.FromByteArray(storage_validator.Value); state_validator.Votes += amount; storage_validator.Value = state_validator.ToByteArray(); } StorageItem storage_count = engine.Snapshot.Storages.GetAndChange(CreateStorageKey(Prefix_ValidatorsCount)); ValidatorsCountState state_count = ValidatorsCountState.FromByteArray(storage_count.Value); state_count.Votes[state.Votes.Length - 1] += amount; storage_count.Value = state_count.ToByteArray(); }