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fix: LM recenter() return semantics undocumented (#570)

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Add NatSpec to recenter() documenting that the function always reverts
on failure (never silently returns false), listing all four revert
conditions, and clarifying that both true/false return values represent
a successfully-executed recenter with the value indicating price
direction (up vs down relative to previous anchor centre).

Also fix StrategyExecutor.maybeRecenter() to capture the isUp return
value from lm.recenter() and include it in the log output, making
price direction visible in backtesting replays.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
openhands 2026-03-12 18:21:27 +00:00
parent b34e26eb70
commit cb6d6e2292
2 changed files with 22 additions and 4 deletions
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8
onchain/script/backtesting/StrategyExecutor.sol
View file

@ -115,10 +115,12 @@ contract StrategyExecutor {
lastRecenterBlock = blockNum;
bool success;
bool isUp;
string memory failReason;
try lm.recenter() {
try lm.recenter() returns (bool _isUp) {
success = true;
isUp = _isUp;
totalRecenters++;
} catch Error(string memory reason) {
failReason = reason;
@ -173,6 +175,7 @@ contract StrategyExecutor {
_logRecenter(
blockNum,
isUp,
fLiqPre,
fLoPre,
fHiPre,
@ -228,6 +231,7 @@ contract StrategyExecutor {
function _logRecenter(
uint256 blockNum,
bool isUp,
uint128 fLiqPre,
int24 fLoPre,
int24 fHiPre,
@ -252,7 +256,7 @@ contract StrategyExecutor {
internal
view
{
console2.log(string.concat("=== Recenter #", totalRecenters.str(), " @ block ", blockNum.str(), " ==="));
console2.log(string.concat("=== Recenter #", totalRecenters.str(), " @ block ", blockNum.str(), " direction=", isUp ? "UP" : "DOWN", " ==="));
console2.log(string.concat(" Floor pre: tick [", int256(fLoPre).istr(), ", ", int256(fHiPre).istr(), "] liq=", uint256(fLiqPre).str()));
console2.log(string.concat(" Anchor pre: tick [", int256(aLoPre).istr(), ", ", int256(aHiPre).istr(), "] liq=", uint256(aLiqPre).str()));
console2.log(string.concat(" Disc pre: tick [", int256(dLoPre).istr(), ", ", int256(dHiPre).istr(), "] liq=", uint256(dLiqPre).str()));