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fix: use POSIX time (ms) for validity range, not slot numbers

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Lucid-Evolution .validFrom/.validTo expect POSIX time in milliseconds.
The code was passing raw slot numbers, which Lucid tried to convert
back causing unsigned integer wraparound and PastHorizon errors.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
david
2026-04-09 13:40:42 +02:00
parent a0f5dc25f8
commit fa137a75c1
1 changed files with 7 additions and 6 deletions
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13
src/vector/governance.ts
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@@ -551,9 +551,10 @@ Each batch UTxO holds ~30 AP3X for adoption rewards.`,
const propTokenUnit = GOV_PROPOSAL_MINT_HASH + propTokenName;
const actTokenUnit = GOV_PROPOSAL_MINT_HASH + actTokenName;
// Re-query tip for spend validity range
const tip2 = await provider.getNetworkTip?.() || { slot: 0 };
const spendSlot = (tip2.slot || 0) - 60;
// Validity range: Lucid .validFrom/.validTo expect POSIX time in ms
const nowMs = Date.now();
const validFromMs = nowMs - 60_000; // 60 seconds ago
const validToMs = nowMs + 360_000; // 6 minutes from now
// Activity datum (first proposal: count=1)
// TODO: For subsequent proposals, find existing pact_ UTxO and increment count
@@ -561,7 +562,7 @@ Each batch UTxO holds ~30 AP3X for adoption rewards.`,
agentDid, // agent_did
new Constr(0, [vkeyHash]), // agent_credential
1n, // active_proposal_count
BigInt(spendSlot), // last_proposal_slot
BigInt(nowMs), // last_proposal_slot (POSIX ms)
]));
// Redeemer: SubmitProposal = Constructor 0
@@ -622,8 +623,8 @@ Each batch UTxO holds ~30 AP3X for adoption rewards.`,
{ lovelace: 2_000_000n, [actTokenUnit]: 1n }
)
.addSigner(walletAddr)
.validFrom(spendSlot)
.validTo(spendSlot + 360)
.validFrom(validFromMs)
.validTo(validToMs)
.complete({ localUPLCEval: false });
const signedSpendTx = await spendTx.sign.withWallet().complete();