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LRP - Allow adjust max price #35

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Merged
codybutz merged 3 commits into from
Jan 20, 2026
Merged

LRP - Allow adjust max price #35

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4f1becd
Allow the adjustment of LRP max price
codybutz Jan 20, 2026
c9907a5
Fix staking tests
codybutz Jan 20, 2026
f33d58e
Add max price sanity check
codybutz Jan 20, 2026
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8 changes: 7 additions & 1 deletion src/contracts/lrp/transactions.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -173,6 +173,7 @@ export async function adjustLrp(
* and a negative amount takes lovelaces from the LRP.
*/
lovelacesAdjustAmt: bigint,
newMaxPrice: OnChainDecimal | undefined,
sysParams: SystemParams,
): Promise<TxBuilder> {
const lrpScriptRefUtxo = matchSingle(
Expand Down Expand Up @@ -212,6 +213,10 @@ export async function adjustLrp(
);
}

if (newMaxPrice && newMaxPrice.getOnChainInt < 0n) {
throw new Error('Max price cannot be negative');
}

return lucid
.newTx()
.readFrom([lrpScriptRefUtxo])
Expand All @@ -223,6 +228,7 @@ export async function adjustLrp(
value: serialiseLrpDatum({
...lrpDatum,
lovelacesToSpend: lrpDatum.lovelacesToSpend + lovelacesAdjustAmt,
maxPrice: newMaxPrice ? newMaxPrice : lrpDatum.maxPrice,
}),
},
addAssets(
Expand All @@ -242,5 +248,5 @@ export async function claimLrp(
lrpOutRef: OutRef,
sysParams: SystemParams,
): Promise<TxBuilder> {
return adjustLrp(lucid, lrpOutRef, 0n, sysParams);
return adjustLrp(lucid, lrpOutRef, 0n, undefined, sysParams);
}
6 changes: 3 additions & 3 deletions tests/lrp.test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -92,7 +92,7 @@ describe('LRP', () => {
await runAndAwaitTx(
context.lucid,
findSingleLrp(context, sysParams, iasset, ownPkh).then((lrp) =>
adjustLrp(context.lucid, lrp, -1_000_000n, sysParams),
adjustLrp(context.lucid, lrp, -1_000_000n, undefined, sysParams),
),
);

Expand All @@ -118,7 +118,7 @@ describe('LRP', () => {

await runAndAwaitTx(
context.lucid,
adjustLrp(context.lucid, adjustedUtxo1, 5_000_000n, sysParams),
adjustLrp(context.lucid, adjustedUtxo1, 5_000_000n, undefined, sysParams),
);

const adjustedUtxo2 = await findSingleLrp(
Expand Down Expand Up @@ -327,7 +327,7 @@ describe('LRP', () => {

await runAndAwaitTx(
context.lucid,
adjustLrp(context.lucid, redeemedLrp, -1_000_000n, sysParams),
adjustLrp(context.lucid, redeemedLrp, -1_000_000n, undefined, sysParams),
);

const adjustedLrp = await findSingleLrp(context, sysParams, iasset, ownPkh);
Expand Down
18 changes: 16 additions & 2 deletions tests/staking.test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -54,6 +54,7 @@ test<MyContext>('Staking - Create Position', async ({
test<MyContext>('Staking - Adjust Position', async ({
lucid,
users,
emulator,
}: MyContext) => {
lucid.selectWallet.fromSeed(users.admin.seedPhrase);
const [systemParams, _] = await init(lucid, [iusdInitialAssetCfg]);
Expand All @@ -78,13 +79,15 @@ test<MyContext>('Staking - Adjust Position', async ({
1_000_000n,
systemParams,
lucid,
emulator.slot,
),
);
});

test<MyContext>('Staking - Close Position', async ({
lucid,
users,
emulator,
}: MyContext) => {
lucid.selectWallet.fromSeed(users.admin.seedPhrase);
const [systemParams, _] = await init(lucid, [iusdInitialAssetCfg]);
Expand All @@ -104,13 +107,19 @@ test<MyContext>('Staking - Close Position', async ({

await runAndAwaitTx(
lucid,
closeStakingPosition(myStakingPosition.utxo, systemParams, lucid),
closeStakingPosition(
myStakingPosition.utxo,
systemParams,
lucid,
emulator.slot,
),
);
});

test<MyContext>('Staking - Distribute ADA to Stakers', async ({
lucid,
users,
emulator,
}: MyContext) => {
lucid.selectWallet.fromSeed(users.admin.seedPhrase);
const [systemParams, _] = await init(lucid, [iusdInitialAssetCfg]);
Expand Down Expand Up @@ -159,7 +168,12 @@ test<MyContext>('Staking - Distribute ADA to Stakers', async ({
() =>
runAndAwaitTx(
lucid,
closeStakingPosition(myStakingPosition.utxo, systemParams, lucid),
closeStakingPosition(
myStakingPosition.utxo,
systemParams,
lucid,
emulator.slot,
),
),
);

Expand Down