formal-verification
Hadrien Croubois 2 years ago
parent 150edce57b
commit c8c8ca39d7
  1. 36
      certora/specs/TimelockController.spec

@ -1,25 +1,28 @@
methods {
getTimestamp(bytes32) returns(uint256) envfree
_DONE_TIMESTAMP() returns(uint256) envfree
PROPOSER_ROLE() returns(bytes32) envfree
_DONE_TIMESTAMP() returns(uint256) envfree
_minDelay() returns(uint256) envfree
getMinDelay() returns(uint256) envfree
hashOperation(address target, uint256 value, bytes data, bytes32 predecessor, bytes32 salt) returns(bytes32) envfree
_checkRole(bytes32) => DISPATCHER(true)
isOperation(bytes32) returns(bool) envfree
isOperationPending(bytes32) returns(bool) envfree
isOperationReady(bytes32) returns(bool) envfree
isOperationDone(bytes32) returns(bool) envfree
getTimestamp(bytes32) returns(uint256) envfree
getMinDelay() returns(uint256) envfree
hashOperation(address, uint256, bytes, bytes32, bytes32) returns(bytes32) envfree
hashOperationBatch(address[], uint256[], bytes[], bytes32, bytes32) returns(bytes32) envfree
isOperationReady(bytes32) returns(bool)
cancel(bytes32)
schedule(address, uint256, bytes, bytes32, bytes32, uint256)
scheduleBatch(address[], uint256[], bytes[], bytes32, bytes32, uint256)
execute(address, uint256, bytes, bytes32, bytes32)
scheduleBatch(address[], uint256[], bytes[], bytes32, bytes32, uint256)
executeBatch(address[], uint256[], bytes[], bytes32, bytes32)
_checkRole(bytes32) => DISPATCHER(true)
cancel(bytes32)
}
////////////////////////////////////////////////////////////////////////////
// Functions //
////////////////////////////////////////////////////////////////////////////
@ -31,7 +34,6 @@ function hashIdCorrelation(bytes32 id, address target, uint256 value, bytes data
}
////////////////////////////////////////////////////////////////////////////
// Invariants //
////////////////////////////////////////////////////////////////////////////
@ -97,7 +99,7 @@ rule unsetPendingTransitionMethods(method f, env e){
calldataarg args;
f(e, args);
assert isOperationPending(id) => (f.selector == schedule(address, uint256, bytes, bytes32, bytes32, uint256).selector
assert isOperationPending(id) => (f.selector == schedule(address, uint256, bytes, bytes32, bytes32, uint256).selector
|| f.selector == scheduleBatch(address[], uint256[], bytes[], bytes32, bytes32, uint256).selector), "Why do we need to follow the schedule?";
}
@ -112,7 +114,7 @@ rule readyDoneTransition(method f, env e){
calldataarg args;
f(e, args);
assert isOperationDone(id) => f.selector == execute(address, uint256, bytes, bytes32, bytes32).selector
assert isOperationDone(id) => f.selector == execute(address, uint256, bytes, bytes32, bytes32).selector
|| f.selector == executeBatch(address[], uint256[], bytes[], bytes32, bytes32).selector , "It's not isOperationDone yet!";
}
@ -154,7 +156,7 @@ rule doneToNothingTransition(method f, env e){
// STATUS - verified
// only TimelockController contract can change minDelay
rule minDelayOnlyChange(method f, env e){
uint256 delayBefore = _minDelay();
uint256 delayBefore = _minDelay();
calldataarg args;
f(e, args);
@ -263,7 +265,7 @@ rule onlyProposer(method f, env e) filtered { f -> f.selector == schedule(addres
// STATUS - verified
// if `ready` then has waited minimum period after isOperationPending()
// if `ready` then has waited minimum period after isOperationPending()
rule cooldown(method f, env e, env e2){
bytes32 id;
address target; uint256 value; bytes data ;bytes32 predecessor; bytes32 salt; uint256 delay;
@ -283,7 +285,7 @@ rule cooldown(method f, env e, env e2){
// STATUS - verified
// `schedule()` should change only one id's timestamp
rule scheduleChange(env e){
bytes32 id; bytes32 otherId;
bytes32 id; bytes32 otherId;
address target; uint256 value; bytes data ;bytes32 predecessor; bytes32 salt; uint256 delay;
uint256 otherIdTimestampBefore = getTimestamp(otherId);
@ -299,7 +301,7 @@ rule scheduleChange(env e){
// STATUS - verified
// `execute()` should change only one id's timestamp
rule executeChange(env e){
bytes32 id; bytes32 otherId;
bytes32 id; bytes32 otherId;
address target; uint256 value; bytes data ;bytes32 predecessor; bytes32 salt;
uint256 otherIdTimestampBefore = getTimestamp(otherId);
@ -314,7 +316,7 @@ rule executeChange(env e){
// STATUS - verified
// `cancel()` should change only one id's timestamp
rule cancelChange(env e){
bytes32 id; bytes32 otherId;
bytes32 id; bytes32 otherId;
uint256 otherIdTimestampBefore = getTimestamp(otherId);

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