/// <summary>
/// Applies an externally generated contract creation message to the current state.
/// </summary>
public StateTransitionResult Apply(IState state, ExternalCreateMessage message)
{
// We need to generate an address here so that we can set the initial balance.
uint160 address = state.GenerateAddress(this.AddressGenerator);
// For external creates we need to increment the balance state to take into
// account any funds sent as part of the original contract invocation transaction.
state.AddInitialTransfer(new TransferInfo {
Value = message.Amount, To = address, From = message.From
});
return(this.ApplyCreate(state, message.Parameters, message.Code, message, address));
}
/// <summary>
/// Applies an externally generated contract creation message to the current state.
/// </summary>
public StateTransitionResult Apply(IState state, ExternalCreateMessage message)
{
var gasMeter = new GasMeter(message.GasLimit);
gasMeter.Spend((Gas)GasPriceList.CreateCost);
// We need to generate an address here so that we can set the initial balance.
uint160 address = state.GenerateAddress(this.AddressGenerator);
// For external creates we need to increment the balance state to take into
// account any funds sent as part of the original contract invocation transaction.
state.AddInitialTransfer(new TransferInfo(message.From, address, message.Amount));
return(ApplyCreate(state, message.Parameters, message.Code, message, address, gasMeter));
}
/// <summary>
/// Applies an externally generated contract method call message to the current state.
/// </summary>
public StateTransitionResult Apply(IState state, ExternalCallMessage message)
{
byte[] contractCode = state.ContractState.GetCode(message.To);
if (contractCode == null || contractCode.Length == 0)
{
return(StateTransitionResult.Fail((Gas)0, StateTransitionErrorKind.NoCode));
}
// For external calls we need to increment the balance state to take into
// account any funds sent as part of the original contract invocation transaction.
state.AddInitialTransfer(new TransferInfo {
Value = message.Amount, To = message.To, From = message.From
});
return(this.ApplyCall(state, message, contractCode));
}
/// <summary>
/// Applies an externally generated contract method call message to the current state.
/// </summary>
public StateTransitionResult Apply(IState state, ExternalCallMessage message)
{
var gasMeter = new GasMeter(message.GasLimit);
gasMeter.Spend((Gas)GasPriceList.BaseCost);
byte[] contractCode = state.ContractState.GetCode(message.To);
if (contractCode == null || contractCode.Length == 0)
{
return(StateTransitionResult.Fail(gasMeter.GasConsumed, StateTransitionErrorKind.NoCode));
}
// For external calls we need to increment the balance state to take into
// account any funds sent as part of the original contract invocation transaction.
state.AddInitialTransfer(new TransferInfo(message.From, message.To, message.Amount));
return(ApplyCall(state, message, contractCode, gasMeter));
}
