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Sample Crowdfunded Employment Contract
// [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
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