Sample Crowdfunded Employment Contract

gistfile1.txt

// [AMT] - Withdraw AMT from contract
// tracks 'employee' withdrawal time, amount, and contract balance starting at storage[500]

if tx.value < 100 * block.basefee:
    stop
if tx.sender == CONTRACT_CREATOR:
    // if a withdrawal amount is set, attempt withdrawl
    if tx.data[0] > 0:
        WITHDRAWAL_LOG_INDEX = contract.storage[499] + 500
        LAST_WITHDRAWAL_TIME = contract.storage[WITHDRAWAL_LOG_INDEX]
        if block.timestamp - LAST_WITHDRAWAL_TIME >= 2_WEEKS:
            LAST_WITHDRAWAL_AMT = 0
        else:
            LAST_WITHDRAWAL_AMT = contract.storage[WITHDRAWAL_LOG_INDEX + 1]
        // 'employee' withdrawal rule, true == valid withdrawal
        if tx.data[0] + LAST_WITHDRAWAL_AMT <= WITHDRAWAL_CAP_1 && tx.data[0] >= contract.balance:
            contract.storage[WITHDRAWAL_LOG_INDEX + 3] = block.timestamp
            contract.storage[WITHDRAWAL_LOG_INDEX + 4] = tx.data[0] + LAST_WITHDRAWAL_AMT
            contract.storage[WITHDRAWAL_LOG_INDEX + 5] = contract.balance - tx.data[0]
            contract.storage[499] = WITHDRAWAL_LOG_INDEX - 500 + 3
            mktx(CONTRACT_CREATOR,tx.data[0],0,array())            
    // return all unused fees (do not allow creator to store funds in this contract)
    mktx(CONTRACT_CREATOR, tx.value - block.basefee * 100, 0, array())
else:
    WITHDRAWAL_LOG_INDEX = contract.storage[499] + 500
    LAST_LOG_INDEX = contract.storage[tx.sender+3] + 500
    // subtract 'funder' balance for all previous 'employee' withdrawals
    while LAST_LOG_INDEX < WITHDRAWAL_LOG_INDEX:
        contract.storage[tx.sender] = contract.storage[tx.sender] - (contract.storage[tx.sender] * contract.storage[LAST_LOG_INDEX + 1] / contract.storage[LAST_LOG_INDEX + 2])
        LAST_LOG_INDEX = LAST_LOG_INDEX + 3
    contract.storage[tx.sender+3] = LAST_LOG_INDEX - 500
    // if a withdrawal amount is set, attempt withdrawl
    if tx.data[0] > 0:
        LAST_WITHDRAWAL_TIME = contract.storage[tx.sender+1]
        if block.timestamp - LAST_WITHDRAWAL_TIME >= 2_WEEKS:
            LAST_WITHDRAWAL_AMT = 0
        else:
            LAST_WITHDRAWAL_AMT = contract.storage[tx.sender+2]
        // 'funder' withdrawal rule, true == valid withdrawal
        if tx.data[0] + LAST_WITHDRAWAL_AMT <= WITHDRAWAL_CAP_2 && tx.data[0] >= contract.storage[tx.sender]:
            contract.storage[tx.sender+1] = block.timestamp
            contract.storage[tx.sender+2] = tx.data[0] + LAST_WITHDRAWAL_AMT
            contract.storage[tx.sender] = contract.storage[tx.sender] - tx.data[0]
            mktx(tx.sender,tx.data[0],0,array())
    // deposit funder money
    contract.storage[tx.sender] = contract.storage[tx.sender] + tx.value - block.basefee * 5