# the sample is good example how one can
# save program that manage his own currency

init:

    # this part run only on init stage
    # we are about to set the maxim 
    # amount of currency
    contract.storage[0xcd2a3d9f938e13cd947ec05abc7fe734df8dd826] = 10000000
code:


    # the currency manager
    # support two functions
    if msg.datasize == 1:

    	   # 1. balance check
        addr = msg.data[0]
        return(contract.storage[addr])
    else:

    	   # 2. balance manipulation        
        from = msg.sender
        fromvalue = contract.storage[from]
        to = msg.data[0]
        value = msg.data[1]
        if fromvalue >= value:
            contract.storage[from] = fromvalue - value
            contract.storage[to] = contract.storage[to] + value
            return(1)
        else:
            return(0)