logos-blockchain/lez-programs
1
0
Fork 0
mirror of https://github.com/logos-blockchain/lez-programs.git synced 2026-08-27 07:01:14 +00:00
Code Issues Packages Projects Releases Wiki Activity

feat(amm): refresh TWAP current tick on every reserve-mutating instruction

Browse Source 
Make swap_exact_input, swap_exact_output, add_liquidity, remove_liquidity,
and sync_reserves keep the pool's TWAP current tick in sync with its
reserves. Each now takes the current-tick and clock accounts, reads the
TWAP program ID from the config account, validates the clock account and
the current-tick PDA, and after computing the post-op pool chains an
UpdateCurrentTick to the oracle carrying the post-op spot price, with the
pool passed as the authorized price source via its pool PDA seed.

sync_reserves additionally now takes the config account so it can resolve
the TWAP program ID and gate on initialization, consistent with the other
instructions.

The invariant current_tick == tick(reserves) therefore holds after every
operation. Proportional add/remove preserve the price, so the tick is
unchanged for them, but the refresh still runs and lands on the correct
value.
This commit is contained in:
r4bbit
2026-06-22 12:10:34 +02:00
parent b997ca678e
commit d0ca0919b5
9 changed files with 795 additions and 48 deletions
Download Patch File Download Diff File Expand all files Collapse all files
artifacts/amm-idl.json
+66
View File
@@ -244,6 +244,18 @@
"writable": false,
"signer": false,
"init": false
},
{
"name": "current_tick_account",
"writable": false,
"signer": false,
"init": false
},
{
"name": "clock",
"writable": false,
"signer": false,
"init": false
}
],
"args": [
@@ -315,6 +327,18 @@
"writable": false,
"signer": false,
"init": false
},
{
"name": "current_tick_account",
"writable": false,
"signer": false,
"init": false
},
{
"name": "clock",
"writable": false,
"signer": false,
"init": false
}
],
"args": [
@@ -374,6 +398,18 @@
"writable": false,
"signer": false,
"init": false
},
{
"name": "current_tick_account",
"writable": false,
"signer": false,
"init": false
},
{
"name": "clock",
"writable": false,
"signer": false,
"init": false
}
],
"args": [
@@ -433,6 +469,18 @@
"writable": false,
"signer": false,
"init": false
},
{
"name": "current_tick_account",
"writable": false,
"signer": false,
"init": false
},
{
"name": "clock",
"writable": false,
"signer": false,
"init": false
}
],
"args": [
@@ -457,6 +505,12 @@
{
"name": "sync_reserves",
"accounts": [
{
"name": "config",
"writable": false,
"signer": false,
"init": false
},
{
"name": "pool",
"writable": false,
@@ -474,6 +528,18 @@
"writable": false,
"signer": false,
"init": false
},
{
"name": "current_tick_account",
"writable": false,
"signer": false,
"init": false
},
{
"name": "clock",
"writable": false,
"signer": false,
"init": false
}
],
"args": []