ethereumj-personal/samples/my-currency.se

// 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)