circles.py

//pseudo code
create_account():
    trustee_reward = (1000*12) * 1.02 ** years
    accounts[message.sender] = (block.time – 1month, 0, trustee_reward)

add_account(account1, account2):
    //somehow check that both accounts signed the message
    if int(account1) > int(acount2):
        trustees[account1].append(account2)
    else:
        trustees[account2].append(account1)
    //credit and update the trustee reward
    balance[account1][account2] = accounts[account2][3] / 2
    balance[account2][account1] = accounts[account1][3] / 2
    accounts[account2][3] /= 2
    accounts[account1][3] /= 2

revoke_trust(account):
    if int(message.sender) > account:
        trustees[message.sender].remove(account)
    else:
        trustees[account].remove(message.sender)
send_money(amount, currency, receiver):
    if balance[message.sender][currency] >= amount:
        balance[message.sender][currency] -= amount
        balance[receiver][currency] += amount
send_new_income(receiver, amount):
        //todo factor in 2% growth rate
        income_generated = (block.time – accounts[message.sender][0])/ weeks * 1000
        if income_generated – money_spent > amount:
            money_spent += amount
            balance[receiver][currency] += amount
exchange_money(account1, account2, amount)
    if message.sender == account1 or message.sender == account2:
        if account2 in trustees[account1]:
            if balance[account1][account1] >= amount:
                if balance[account2][account2] >= amount:
                    balance[account1][account1] -= amount
                    balance[account2][account2] -= amount
                    balance[account1][account2] += amount
                    balance[account2][account1] += amount
create_group()
    groups[message.sender] = Set()

add_group_member(account)
    groups[message.sender].add(account)
remove_groupt_member(account)
    groups[message.sender].remove(account)
convert_into_group_money(group, amount)
    if message.sender in groups[group]:
        if amounts[message.sender][message.sender] >= amount:
           amounts[message.sender][message.sender] -= amount
           amounts[message.sender][group] += amount