Notes

pragma cashscript >= 0.7.1;


// Pay a minimum reward if a sufficiently large claim locks itself longer than the locktimePeriod
contract RewardSaver(

// time lock savings period
int lockTimePeriod,

// the minimum lockable total before the contract becomes time locked
int minimumLockable,

// the minimum reward total before the contract becomes time locked
int minimumReward,

// an valid address for a refund
bytes20 funder

) {

// claim the reward by supplying sufficient amount and lock time
function claimReward() {

// Get the total value on the reward
int rewardValue = tx.inputs[this.activeInputIndex].value;

// Ensure the reward is sufficient
require(rewardValue >= minimumReward);

// Ensure the amount being locked is sufficient
require(tx.inputs[0].value >= minimumLockable);

// Ensure the claim locks itself for long enough
require(tx.locktime >= lockTimePeriod + tx.age);

}

// refund the reward to cancel
function refund(pubkey pk, sig s) {
require(hash160(pk) == funder);
require(checkSig(s, pk));
}

}