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feat: limit withdraw cycle numbers #230

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feat: limit withdraw cycle numbers #230

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25 changes: 23 additions & 2 deletions contracts/ssnlist.scilla
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Original file line number Diff line number Diff line change
Expand Up @@ -231,6 +231,18 @@ let is_cycle_deposit_map_empty =
let map_size = builtin size m in
builtin eq map_size uint32_zero

let decide_n =
fun(m : Uint32) =>
fun(n : Uint32) =>
fun(upper: Uint32) =>
let k = builtin sub n m in
let more_than_upper = uint32_gt k upper in
match more_than_upper with
| True =>
builtin add m upper
| False => n
end

let bool_active = True
let bool_inactive = False
let addfunds_tag = "AddFunds"
Expand Down Expand Up @@ -1141,7 +1153,16 @@ procedure WithdrawalStakeRewards(deleg: ByStr20, ssn_operator: ByStr20)
lrc <- lastrewardcycle;

m = builtin add last_withdraw_cycle uint32_one;
n = builtin add lrc uint32_one;
n_o = builtin add lrc uint32_one;


(* Keep cycle number in between not grate than 5 *)
uint32_5 = Uint32 5;
n = decide_n m n_o uint32_5;

uint32_1 = Uint32 1;
lrc_used = builtin sub n uint32_1;

list_need_compute_rewards = iota m n;

(* Combine deleg and ssn_operator with list_need_compute_rewards *)
Expand All @@ -1168,7 +1189,7 @@ procedure WithdrawalStakeRewards(deleg: ByStr20, ssn_operator: ByStr20)
end;
e = { _eventname: "WithdrawalStakeRewards"; rewards: reward};
event e;
last_withdraw_cycle_deleg[deleg][ssn_operator] := lrc;
last_withdraw_cycle_deleg[deleg][ssn_operator] := lrc_used;
msg_to_delegator = {_tag : "WithdrawStakeRewardsSuccessCallBack"; _recipient : deleg; _amount : uint128_zero;
ssnaddr : ssn_operator; rewards : reward};
msg = one_msg msg_to_delegator;
Expand Down