515 lines
35 KiB
TypeScript
Executable File
515 lines
35 KiB
TypeScript
Executable File
import { createHash, randomUUID } from 'node:crypto';
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import type { Pool, PoolClient } from 'pg';
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import { z } from 'zod';
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import { assertXmrRpcAmount, parseAtomicXmr } from '../../shared/xmr-amount.ts';
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import { address, verifySignature } from '../testnet/consensus.ts';
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import { CUSTODY_WRITE_LOCK } from './postgres-schema.ts';
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const hex = z.string().regex(/^[a-f0-9]{64}$/);
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const fingerprint = hex;
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const publicKey = z.string().min(1).max(256);
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const signature = z.string().min(1).max(256);
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const uuid = z.string().uuid();
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const POLICY_VERSION = 'monero-pending-credit-v1';
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const MAX_EVENT_HISTORY = 256;
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export type DepositCreditPolicy = {
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/** Reviewed key-owner hashes; the signing key remains operator-held and is never stored here. */
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approvedReviewerOwners: readonly string[];
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/** Provisional floor; a production value still requires explicit approval. */
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minimumConfirmations: number;
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/** Refuse credit review when observation scans have gone stale. */
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maximumObservationAgeMs: number;
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};
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export type DepositCreditReviewSubject = {
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policyVersion: typeof POLICY_VERSION;
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walletFingerprint: string;
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observationId: string;
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outputPublicKey: string;
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amountAtomicXmr: string;
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blockHeight: number;
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confirmations: number;
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minimumConfirmations: number;
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locked: boolean;
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doubleSpendSeen: boolean;
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allocationId: string;
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beneficiary: string;
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observationDigest: string;
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observationEventSequence: number;
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observationEventHistoryDigest: string;
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observerUpdatedAt: number;
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};
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export type DepositCreditApproval = {
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subject: DepositCreditReviewSubject;
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reviewerOwner: string;
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reviewerPublicKey: string;
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nonce: string;
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expiresAt: number;
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signature: string;
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};
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export type DepositCreditResult = { creditId: string; journalId: string; beneficiary: string; amountAtomicXmr: string; replayed: boolean };
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export type DepositCreditReleaseSubject = DepositCreditReviewSubject & {
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creditId: string;
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pendingJournalId: string;
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unresolvedHolds: { holdId: string; eventSequence: number; eventType: 'changed' | 'not-seen' | 'reappeared' }[];
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};
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export type DepositCreditReleaseApproval = {
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subject: DepositCreditReleaseSubject;
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reviewerOwner: string;
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reviewerPublicKey: string;
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nonce: string;
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expiresAt: number;
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signature: string;
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};
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export type DepositCreditReleaseResult = { creditId: string; releaseId: string; journalId: string; beneficiary: string; amountAtomicXmr: string; replayed: boolean };
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export type DepositReorgResolutionSubject = {
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policyVersion: 'monero-reorg-resolution-v1';
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creditId: string;
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releaseId: string;
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holdId: string;
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walletFingerprint: string;
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observationId: string;
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eventSequence: number;
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eventType: 'changed' | 'not-seen' | 'reappeared';
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currentObservation: DepositCreditReviewSubject;
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};
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export type DepositReorgResolutionApproval = {
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subject: DepositReorgResolutionSubject;
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reviewerOwner: string;
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reviewerPublicKey: string;
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nonce: string;
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expiresAt: number;
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signature: string;
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};
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export type DepositReorgResolutionResult = { resolutionId: string; holdId: string; replayed: boolean };
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const subjectSchema = z.object({
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policyVersion: z.literal(POLICY_VERSION), walletFingerprint: fingerprint, observationId: z.string().min(129).max(160),
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outputPublicKey: hex, amountAtomicXmr: z.string().regex(/^[1-9]\d{0,19}$/),
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blockHeight: z.number().int().positive().safe(), confirmations: z.number().int().positive().safe(),
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minimumConfirmations: z.number().int().min(10).max(100_000), locked: z.boolean(), doubleSpendSeen: z.boolean(),
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allocationId: uuid, beneficiary: hex, observationDigest: hex,
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observationEventSequence: z.number().int().nonnegative().safe(), observationEventHistoryDigest: hex,
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observerUpdatedAt: z.number().int().nonnegative().safe(),
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}).strict();
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const approvalSchema = z.object({ subject: subjectSchema, reviewerOwner: hex, reviewerPublicKey: publicKey,
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nonce: uuid, expiresAt: z.number().int().nonnegative().safe(), signature }).strict();
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const releaseSubjectSchema = subjectSchema.extend({ creditId: uuid, pendingJournalId: z.string().min(1).max(256),
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unresolvedHolds: z.array(z.object({ holdId: uuid, eventSequence: z.number().int().positive().safe(),
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eventType: z.enum(['changed', 'not-seen', 'reappeared']) }).strict()).max(1024) }).strict();
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const releaseApprovalSchema = z.object({ subject: releaseSubjectSchema, reviewerOwner: hex, reviewerPublicKey: publicKey,
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nonce: uuid, expiresAt: z.number().int().nonnegative().safe(), signature }).strict();
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const resolutionSubjectSchema = z.object({ policyVersion: z.literal('monero-reorg-resolution-v1'), creditId: uuid,
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releaseId: uuid, holdId: uuid, walletFingerprint: fingerprint, observationId: z.string().min(129).max(160),
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eventSequence: z.number().int().positive().safe(), eventType: z.enum(['changed','not-seen','reappeared']),
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currentObservation: subjectSchema }).strict();
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const resolutionApprovalSchema = z.object({ subject: resolutionSubjectSchema, reviewerOwner: hex,
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reviewerPublicKey: publicKey, nonce: uuid, expiresAt: z.number().int().nonnegative().safe(), signature }).strict();
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function digest(value: string): string { return createHash('sha256').update(value).digest('hex'); }
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function canonicalReviewMessage(subject: DepositCreditReviewSubject, reviewerOwner: string, nonce: string, expiresAt: number): string {
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return JSON.stringify(['wikideck-monero-pending-credit-review-v1', reviewerOwner, nonce, expiresAt,
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subject.policyVersion, subject.walletFingerprint, subject.observationId, subject.outputPublicKey,
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subject.amountAtomicXmr, subject.blockHeight, subject.confirmations, subject.minimumConfirmations,
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subject.locked, subject.doubleSpendSeen, subject.allocationId, subject.beneficiary,
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subject.observationDigest, subject.observationEventSequence, subject.observationEventHistoryDigest,
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subject.observerUpdatedAt]);
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}
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function canonicalReleaseMessage(subject: DepositCreditReleaseSubject, reviewerOwner: string, nonce: string, expiresAt: number): string {
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return JSON.stringify(['wikideck-monero-pending-release-v1', reviewerOwner, nonce, expiresAt,
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subject.policyVersion, subject.creditId, subject.pendingJournalId, subject.walletFingerprint, subject.observationId,
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subject.outputPublicKey, subject.amountAtomicXmr, subject.blockHeight, subject.confirmations,
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subject.minimumConfirmations, subject.locked, subject.doubleSpendSeen, subject.allocationId, subject.beneficiary,
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subject.observationDigest, subject.observationEventSequence, subject.observationEventHistoryDigest,
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subject.observerUpdatedAt, subject.unresolvedHolds.map(hold => [hold.holdId, hold.eventSequence, hold.eventType])]);
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}
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function canonicalResolutionMessage(subject: DepositReorgResolutionSubject, reviewerOwner: string, nonce: string, expiresAt: number): string {
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const observation = subject.currentObservation;
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return JSON.stringify(['wikideck-monero-reorg-resolution-v1', reviewerOwner, nonce, expiresAt,
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subject.policyVersion, subject.creditId, subject.releaseId, subject.holdId, subject.walletFingerprint,
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subject.observationId, subject.eventSequence, subject.eventType, observation.outputPublicKey,
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observation.amountAtomicXmr, observation.blockHeight, observation.confirmations, observation.minimumConfirmations,
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observation.locked, observation.doubleSpendSeen, observation.allocationId, observation.beneficiary,
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observation.observationDigest, observation.observationEventSequence, observation.observationEventHistoryDigest,
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observation.observerUpdatedAt]);
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}
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function validatePolicy(policy: DepositCreditPolicy): void {
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if (!Array.isArray(policy.approvedReviewerOwners) || !policy.approvedReviewerOwners.length ||
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policy.approvedReviewerOwners.length > 8 || policy.approvedReviewerOwners.some(owner => !hex.safeParse(owner).success) ||
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!Number.isSafeInteger(policy.minimumConfirmations) || policy.minimumConfirmations < 10 || policy.minimumConfirmations > 100_000 ||
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!Number.isSafeInteger(policy.maximumObservationAgeMs) || policy.maximumObservationAgeMs < 10_000 || policy.maximumObservationAgeMs > 15 * 60_000) {
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throw new Error('Invalid private Monero deposit-credit policy');
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}
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}
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async function readReviewSubject(client: PoolClient, walletFingerprint: string, observationId: string,
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policy: DepositCreditPolicy, now: number, allowReorgHistory = false): Promise<DepositCreditReviewSubject> {
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const observation = await client.query(`SELECT o.wallet_fingerprint,o.observation_id,o.txid,o.monero_address,o.account_index,
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o.address_index,o.output_public_key,o.amount_atomic_xmr::text,o.block_height,o.confirmations,o.locked,
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o.double_spend_seen,o.payload_digest,o.currently_present,s.updated_at AS observer_updated_at
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FROM wk_custody.monero_transfer_observations o
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JOIN wk_custody.monero_observer_state s USING(wallet_fingerprint)
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WHERE o.wallet_fingerprint=$1 AND o.observation_id=$2`, [walletFingerprint, observationId]);
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if (observation.rowCount !== 1) throw new Error('Deposit observation not found');
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const row = observation.rows[0];
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if (!row.output_public_key || row.observation_id !== `${row.txid}:${row.output_public_key}` || !row.currently_present ||
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row.double_spend_seen || row.locked || Number(row.confirmations) < policy.minimumConfirmations) {
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throw new Error('Deposit observation is not eligible for reviewed pending credit');
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}
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if (now - Number(row.observer_updated_at) < 0 || now - Number(row.observer_updated_at) > policy.maximumObservationAgeMs) {
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throw new Error('Monero observer state is stale');
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}
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const amount = BigInt(row.amount_atomic_xmr);
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assertXmrRpcAmount(amount);
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parseAtomicXmr(amount.toString());
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const allocation = await client.query(`SELECT allocation_id,beneficiary,custodian_id,market_network,market_chain_id
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FROM wk_custody.monero_deposit_allocations
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WHERE wallet_fingerprint=$1 AND account_index=$2 AND address_index=$3 AND monero_address=$4 AND status='registered'`,
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[walletFingerprint, row.account_index, row.address_index, row.monero_address]);
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if (allocation.rowCount !== 1) throw new Error('Deposit output has no unique registered beneficiary allocation');
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const identity = await client.query("SELECT value FROM wk_custody.custody_meta WHERE key='identity'");
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if (identity.rowCount !== 1) throw new Error('Custodian identity is unavailable');
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const custodian = JSON.parse(identity.rows[0].value) as { id?: string; network?: string; chainId?: string; mode?: string };
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const mapped = allocation.rows[0];
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if (custodian.mode !== 'sandbox' || mapped.custodian_id !== custodian.id || mapped.market_network !== custodian.network ||
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mapped.market_chain_id !== custodian.chainId) throw new Error('Deposit allocation is outside this custody identity');
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const events = await client.query(`SELECT sequence,event_type,payload_digest,wallet_height,observed_at
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FROM wk_custody.monero_observation_events WHERE wallet_fingerprint=$1 AND observation_id=$2
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ORDER BY sequence LIMIT $3`, [walletFingerprint, observationId, MAX_EVENT_HISTORY + 1]);
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if ((events.rowCount ?? events.rows.length) > MAX_EVENT_HISTORY) throw new Error('Deposit observation event history exceeds review bound');
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if (!allowReorgHistory && events.rows.some(event => event.event_type === 'not-seen' || event.event_type === 'reappeared')) {
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throw new Error('Deposit observation has prior disappearance/reappearance and requires separate review');
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}
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const sequence = events.rows.length ? Number(events.rows.at(-1)!.sequence) : 0;
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const eventDigest = digest(JSON.stringify(events.rows.map(event => [Number(event.sequence), event.event_type,
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event.payload_digest, Number(event.wallet_height), Number(event.observed_at)])));
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return {
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policyVersion: POLICY_VERSION, walletFingerprint, observationId, outputPublicKey: row.output_public_key,
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amountAtomicXmr: amount.toString(), blockHeight: Number(row.block_height), confirmations: Number(row.confirmations),
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minimumConfirmations: policy.minimumConfirmations, locked: row.locked, doubleSpendSeen: row.double_spend_seen,
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allocationId: mapped.allocation_id, beneficiary: mapped.beneficiary, observationDigest: row.payload_digest,
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observationEventSequence: sequence, observationEventHistoryDigest: eventDigest,
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observerUpdatedAt: Number(row.observer_updated_at),
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};
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}
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/** Return the exact current snapshot an authorized operator must review and sign. */
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export async function prepareDepositCreditReview(pool: Pool, walletFingerprint: string, observationId: string,
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policy: DepositCreditPolicy, now = Date.now()): Promise<DepositCreditReviewSubject> {
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validatePolicy(policy); fingerprint.parse(walletFingerprint);
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const c = await pool.connect();
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try {
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await c.query('BEGIN ISOLATION LEVEL REPEATABLE READ READ ONLY');
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await c.query("SET LOCAL statement_timeout='10s'; SET LOCAL lock_timeout='3s'; SET LOCAL idle_in_transaction_session_timeout='10s'");
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const subject = await readReviewSubject(c, walletFingerprint, observationId, policy, now);
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await c.query('COMMIT'); return subject;
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} catch (error) { await c.query('ROLLBACK').catch(() => {}); throw error; }
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finally { c.release(); }
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}
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/** Canonical message an allow-listed reviewer signs after examining the exact output/allocation snapshot. */
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export function depositCreditApprovalMessage(subject: DepositCreditReviewSubject, reviewerOwner: string, nonce: string,
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expiresAt: number): string {
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return canonicalReviewMessage(subjectSchema.parse(subject), hex.parse(reviewerOwner), uuid.parse(nonce), expiresAt);
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}
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/**
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* Posts an operator-reviewed credit into a non-spendable pending-liability account. This service is not
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* wired to HTTP/startup; release to available balance is a separate, not-yet-implemented approval step.
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*/
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export async function postReviewedDepositPendingCredit(pool: Pool, rawApproval: DepositCreditApproval,
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policy: DepositCreditPolicy, now = Date.now()): Promise<DepositCreditResult> {
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validatePolicy(policy);
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const approval = approvalSchema.parse(rawApproval);
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if (!policy.approvedReviewerOwners.includes(approval.reviewerOwner) ||
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address(approval.reviewerPublicKey) !== approval.reviewerOwner ||
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!verifySignature(approval.reviewerPublicKey, approval.reviewerOwner,
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canonicalReviewMessage(approval.subject, approval.reviewerOwner, approval.nonce, approval.expiresAt), approval.signature)) {
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throw new Error('Deposit credit review signature is invalid');
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}
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const reviewDigest = digest(canonicalReviewMessage(approval.subject, approval.reviewerOwner, approval.nonce, approval.expiresAt));
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const client = await pool.connect();
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try {
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await client.query('BEGIN');
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await client.query("SET LOCAL statement_timeout='10s'; SET LOCAL lock_timeout='3s'; SET LOCAL idle_in_transaction_session_timeout='10s'; SET LOCAL synchronous_commit=on");
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await client.query('SELECT pg_advisory_xact_lock($1::bigint)', [CUSTODY_WRITE_LOCK]);
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const existing = await client.query(`SELECT credit_id,journal_id,beneficiary,amount_atomic_xmr::text,reviewer_owner,
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review_nonce,observation_digest,allocation_id::text,reviewer_public_key,review_expires_at,review_signature,
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minimum_confirmations,review_digest FROM wk_custody.monero_deposit_credit_events
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WHERE wallet_fingerprint=$1 AND observation_id=$2`,
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[approval.subject.walletFingerprint, approval.subject.observationId]);
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if (existing.rowCount) {
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const saved = existing.rows[0];
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if (saved.reviewer_owner !== approval.reviewerOwner || saved.review_nonce !== approval.nonce ||
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saved.observation_digest !== approval.subject.observationDigest || saved.amount_atomic_xmr !== approval.subject.amountAtomicXmr ||
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saved.allocation_id !== approval.subject.allocationId || saved.minimum_confirmations !== approval.subject.minimumConfirmations ||
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saved.reviewer_public_key !== approval.reviewerPublicKey || Number(saved.review_expires_at) !== approval.expiresAt ||
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saved.review_signature !== approval.signature || saved.review_digest !== reviewDigest) {
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throw new Error('Deposit output was already staged under different reviewed terms');
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}
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await client.query('COMMIT');
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return { creditId: saved.credit_id, journalId: saved.journal_id, beneficiary: saved.beneficiary,
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amountAtomicXmr: saved.amount_atomic_xmr, replayed: true };
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}
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if (approval.expiresAt < now || approval.expiresAt > now + 5 * 60_000) {
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throw new Error('Deposit credit review signature is expired or outside the allowed window');
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}
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const current = await readReviewSubject(client, approval.subject.walletFingerprint, approval.subject.observationId, policy, now);
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if (JSON.stringify(current) !== JSON.stringify(approval.subject)) throw new Error('Deposit observation changed after reviewer approval');
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const creditId = randomUUID();
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const journalId = `monero-deposit-pending:${digest(`${current.walletFingerprint}:${current.observationId}`)}`;
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const assetAccount = 'treasury:monero:pending';
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const liabilityAccount = `customer:${current.beneficiary}:deposit-pending:${creditId}`;
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await client.query('INSERT INTO wk_custody.journals(id,kind,created) VALUES($1,$2,$3)',
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[journalId, 'monero-deposit-pending-credit', now]);
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const lines = [[0, assetAccount, 'debit'], [1, liabilityAccount, 'credit']] as const;
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for (const [position, accountId, normal] of lines) {
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await client.query('INSERT INTO wk_custody.accounts(id,normal) VALUES($1,$2) ON CONFLICT(id) DO NOTHING', [accountId, normal]);
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const account = await client.query('SELECT normal FROM wk_custody.accounts WHERE id=$1', [accountId]);
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if (account.rows[0]?.normal !== normal) throw new Error('Deposit pending account normal mismatch');
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await client.query('INSERT INTO wk_custody.entries VALUES($1,$2,$3,$4,$5)',
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[journalId, position, accountId, normal === 'debit' ? current.amountAtomicXmr : '0',
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normal === 'credit' ? current.amountAtomicXmr : '0']);
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}
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await client.query(`INSERT INTO wk_custody.monero_deposit_credit_events(
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credit_id,wallet_fingerprint,observation_id,allocation_id,beneficiary,amount_atomic_xmr,journal_id,
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observation_digest,last_observation_event_sequence,reviewer_owner,reviewer_public_key,review_nonce,
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review_expires_at,review_signature,review_subject,review_digest,credited_at,minimum_confirmations)
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VALUES($1,$2,$3,$4,$5,$6,$7,$8,$9,$10,$11,$12,$13,$14,$15,$16,$17,$18)`,
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[creditId, current.walletFingerprint, current.observationId, current.allocationId, current.beneficiary,
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current.amountAtomicXmr, journalId, current.observationDigest, current.observationEventSequence,
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approval.reviewerOwner, approval.reviewerPublicKey, approval.nonce, approval.expiresAt, approval.signature,
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JSON.stringify(current), reviewDigest, now, current.minimumConfirmations]);
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await client.query('COMMIT');
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return { creditId, journalId, beneficiary: current.beneficiary, amountAtomicXmr: current.amountAtomicXmr, replayed: false };
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} catch (error) { await client.query('ROLLBACK').catch(() => {}); throw error; }
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finally { client.release(); }
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}
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async function readReleaseSubject(client: PoolClient, creditId: string, policy: DepositCreditPolicy,
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now: number): Promise<DepositCreditReleaseSubject> {
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const credit = await client.query(`SELECT credit_id::text,wallet_fingerprint,observation_id,beneficiary,
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amount_atomic_xmr::text,journal_id FROM wk_custody.monero_deposit_credit_events WHERE credit_id=$1`, [creditId]);
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if (credit.rowCount !== 1) throw new Error('Pending deposit credit not found');
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const row = credit.rows[0];
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if (await client.query('SELECT 1 FROM wk_custody.monero_deposit_release_events WHERE credit_id=$1', [creditId]).then(r => r.rowCount)) {
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throw new Error('Pending deposit credit was already released');
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}
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const observation = await readReviewSubject(client, row.wallet_fingerprint, row.observation_id, policy, now, true);
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if (observation.beneficiary !== row.beneficiary || observation.amountAtomicXmr !== row.amount_atomic_xmr) {
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throw new Error('Pending credit no longer matches the current observed output');
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}
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const holds = await client.query(`SELECT h.hold_id::text,h.observation_event_sequence::text,h.event_type
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FROM wk_custody.monero_deposit_reorg_holds h
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WHERE h.credit_id=$1 AND NOT EXISTS (
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SELECT 1 FROM wk_custody.monero_deposit_reorg_resolutions r WHERE r.hold_id=h.hold_id)
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ORDER BY h.observation_event_sequence LIMIT 1025`, [creditId]);
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if (holds.rows.length > 1024) throw new Error('Deposit reorg hold set exceeds review bound');
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return { ...observation, creditId, pendingJournalId: row.journal_id,
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unresolvedHolds: holds.rows.map(hold => ({ holdId: hold.hold_id,
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eventSequence: Number(hold.observation_event_sequence), eventType: hold.event_type })) };
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}
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/** Return the current pending liability and unresolved reorg evidence for explicit reviewer approval. */
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export async function prepareDepositCreditReleaseReview(pool: Pool, creditId: string,
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policy: DepositCreditPolicy, now = Date.now()): Promise<DepositCreditReleaseSubject> {
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validatePolicy(policy); uuid.parse(creditId);
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const client = await pool.connect();
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try {
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await client.query('BEGIN ISOLATION LEVEL REPEATABLE READ READ ONLY');
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await client.query("SET LOCAL statement_timeout='10s'; SET LOCAL lock_timeout='3s'; SET LOCAL idle_in_transaction_session_timeout='10s'");
|
|
const subject = await readReleaseSubject(client, creditId, policy, now);
|
|
await client.query('COMMIT'); return subject;
|
|
} catch (error) { await client.query('ROLLBACK').catch(() => {}); throw error; }
|
|
finally { client.release(); }
|
|
}
|
|
|
|
/** Canonical reviewer message for releasing a pending liability and resolving its included scoped holds. */
|
|
export function depositCreditReleaseApprovalMessage(subject: DepositCreditReleaseSubject, reviewerOwner: string,
|
|
nonce: string, expiresAt: number): string {
|
|
return canonicalReleaseMessage(releaseSubjectSchema.parse(subject), hex.parse(reviewerOwner), uuid.parse(nonce), expiresAt);
|
|
}
|
|
|
|
/** Explicit reviewer-authorized, idempotent move from pending to spendable available balance. Not HTTP-wired. */
|
|
export async function releaseReviewedDepositCredit(pool: Pool, rawApproval: DepositCreditReleaseApproval,
|
|
policy: DepositCreditPolicy, now = Date.now()): Promise<DepositCreditReleaseResult> {
|
|
validatePolicy(policy);
|
|
const approval = releaseApprovalSchema.parse(rawApproval);
|
|
const message = canonicalReleaseMessage(approval.subject, approval.reviewerOwner, approval.nonce, approval.expiresAt);
|
|
if (!policy.approvedReviewerOwners.includes(approval.reviewerOwner) ||
|
|
address(approval.reviewerPublicKey) !== approval.reviewerOwner ||
|
|
!verifySignature(approval.reviewerPublicKey, approval.reviewerOwner, message, approval.signature)) {
|
|
throw new Error('Deposit release review signature is invalid');
|
|
}
|
|
const reviewDigest = digest(message);
|
|
const client = await pool.connect();
|
|
try {
|
|
await client.query('BEGIN');
|
|
await client.query("SET LOCAL statement_timeout='10s'; SET LOCAL lock_timeout='3s'; SET LOCAL idle_in_transaction_session_timeout='10s'; SET LOCAL synchronous_commit=on");
|
|
await client.query('SELECT pg_advisory_xact_lock($1::bigint)', [CUSTODY_WRITE_LOCK]);
|
|
const existing = await client.query(`SELECT release_id,credit_id::text,journal_id,reviewer_owner,review_nonce,
|
|
review_signature,review_digest,review_subject,released_at FROM wk_custody.monero_deposit_release_events
|
|
WHERE credit_id=$1`, [approval.subject.creditId]);
|
|
if (existing.rowCount) {
|
|
const saved = existing.rows[0];
|
|
if (saved.reviewer_owner !== approval.reviewerOwner || saved.review_nonce !== approval.nonce ||
|
|
saved.review_signature !== approval.signature || saved.review_digest !== reviewDigest) {
|
|
throw new Error('Deposit release was already committed under different reviewed terms');
|
|
}
|
|
const credit = await client.query(`SELECT beneficiary,amount_atomic_xmr::text FROM wk_custody.monero_deposit_credit_events
|
|
WHERE credit_id=$1`, [saved.credit_id]);
|
|
await client.query('COMMIT');
|
|
return { creditId: saved.credit_id, releaseId: saved.release_id, journalId: saved.journal_id,
|
|
beneficiary: credit.rows[0].beneficiary, amountAtomicXmr: credit.rows[0].amount_atomic_xmr, replayed: true };
|
|
}
|
|
if (approval.expiresAt < now || approval.expiresAt > now + 5 * 60_000) {
|
|
throw new Error('Deposit release review signature is expired or outside the allowed window');
|
|
}
|
|
const current = await readReleaseSubject(client, approval.subject.creditId, policy, now);
|
|
if (JSON.stringify(current) !== JSON.stringify(approval.subject)) throw new Error('Deposit release evidence changed after reviewer approval');
|
|
const pendingAccount = `customer:${current.beneficiary}:deposit-pending:${current.creditId}`;
|
|
const availableAccount = `customer:${current.beneficiary}:available`;
|
|
const pending = await client.query('SELECT normal FROM wk_custody.accounts WHERE id=$1', [pendingAccount]);
|
|
if (pending.rowCount !== 1 || pending.rows[0].normal !== 'credit') {
|
|
throw new Error('Pending deposit liability does not match reviewed release amount');
|
|
}
|
|
await client.query('INSERT INTO wk_custody.accounts(id,normal) VALUES($1,\'credit\') ON CONFLICT(id) DO NOTHING', [availableAccount]);
|
|
const available = await client.query('SELECT normal FROM wk_custody.accounts WHERE id=$1', [availableAccount]);
|
|
if (available.rows[0]?.normal !== 'credit') throw new Error('Available customer account normal mismatch');
|
|
|
|
const releaseId = randomUUID(), journalId = `monero-deposit-release:${current.creditId}`;
|
|
await client.query('INSERT INTO wk_custody.journals(id,kind,created) VALUES($1,$2,$3)',
|
|
[journalId, 'monero-deposit-release', now]);
|
|
await client.query('INSERT INTO wk_custody.entries VALUES($1,0,$2,$3,0),($1,1,$4,0,$3)',
|
|
[journalId, pendingAccount, current.amountAtomicXmr, availableAccount]);
|
|
await client.query(`INSERT INTO wk_custody.monero_deposit_release_events(
|
|
release_id,credit_id,journal_id,reviewer_owner,reviewer_public_key,review_nonce,review_expires_at,
|
|
review_signature,review_subject,review_digest,released_at)
|
|
VALUES($1,$2,$3,$4,$5,$6,$7,$8,$9,$10,$11)`,
|
|
[releaseId, current.creditId, journalId, approval.reviewerOwner, approval.reviewerPublicKey, approval.nonce,
|
|
approval.expiresAt, approval.signature, JSON.stringify(current), reviewDigest, now]);
|
|
for (const hold of current.unresolvedHolds) {
|
|
await client.query(`INSERT INTO wk_custody.monero_deposit_reorg_resolutions(
|
|
resolution_id,hold_id,credit_id,release_id,resolved_by,resolved_at,disposition,resolution_kind,
|
|
reviewer_public_key,review_nonce,review_expires_at,review_signature,review_subject,review_digest)
|
|
VALUES($1,$2,$3,$4,$5,$6,'revalidated-for-release','release-review',$7,$8,$9,$10,$11,$12)`,
|
|
[randomUUID(), hold.holdId, current.creditId, releaseId, approval.reviewerOwner, now,
|
|
approval.reviewerPublicKey, approval.nonce, approval.expiresAt, approval.signature,
|
|
JSON.stringify({ subject: current, holdId: hold.holdId }), reviewDigest]);
|
|
}
|
|
await client.query('COMMIT');
|
|
return { creditId: current.creditId, releaseId, journalId, beneficiary: current.beneficiary,
|
|
amountAtomicXmr: current.amountAtomicXmr, replayed: false };
|
|
} catch (error) { await client.query('ROLLBACK').catch(() => {}); throw error; }
|
|
finally { client.release(); }
|
|
}
|
|
|
|
async function readReorgResolutionSubject(client: PoolClient, creditId: string, holdId: string,
|
|
policy: DepositCreditPolicy, now: number): Promise<DepositReorgResolutionSubject> {
|
|
const row = await client.query(`SELECT h.hold_id::text,h.credit_id::text,h.wallet_fingerprint,h.observation_id,
|
|
h.observation_event_sequence::text,h.event_type,c.release_id::text
|
|
FROM wk_custody.monero_deposit_reorg_holds h
|
|
JOIN wk_custody.monero_deposit_release_events c ON c.credit_id=h.credit_id
|
|
WHERE h.hold_id=$1 AND h.credit_id=$2 AND NOT EXISTS(
|
|
SELECT 1 FROM wk_custody.monero_deposit_reorg_resolutions r WHERE r.hold_id=h.hold_id)`, [holdId, creditId]);
|
|
if (row.rowCount !== 1) throw new Error('Unresolved released-deposit reorg hold not found');
|
|
const currentObservation = await readReviewSubject(client, row.rows[0].wallet_fingerprint,
|
|
row.rows[0].observation_id, policy, now, true);
|
|
return resolutionSubjectSchema.parse({ policyVersion: 'monero-reorg-resolution-v1', creditId,
|
|
releaseId: row.rows[0].release_id, holdId, walletFingerprint: row.rows[0].wallet_fingerprint,
|
|
observationId: row.rows[0].observation_id, eventSequence: Number(row.rows[0].observation_event_sequence),
|
|
eventType: row.rows[0].event_type, currentObservation });
|
|
}
|
|
|
|
/** Prepare an exact current snapshot to resolve one scoped reorg hold after the output reappears. */
|
|
export async function prepareDepositReorgResolution(pool: Pool, creditId: string, holdId: string,
|
|
policy: DepositCreditPolicy, now = Date.now()): Promise<DepositReorgResolutionSubject> {
|
|
validatePolicy(policy); uuid.parse(creditId); uuid.parse(holdId);
|
|
const client = await pool.connect();
|
|
try {
|
|
await client.query('BEGIN ISOLATION LEVEL REPEATABLE READ READ ONLY');
|
|
await client.query("SET LOCAL statement_timeout='10s'; SET LOCAL lock_timeout='3s'; SET LOCAL idle_in_transaction_session_timeout='10s'");
|
|
const subject = await readReorgResolutionSubject(client, creditId, holdId, policy, now);
|
|
await client.query('COMMIT'); return subject;
|
|
} catch (error) { await client.query('ROLLBACK').catch(() => {}); throw error; }
|
|
finally { client.release(); }
|
|
}
|
|
|
|
export function depositReorgResolutionMessage(subject: DepositReorgResolutionSubject, reviewerOwner: string,
|
|
nonce: string, expiresAt: number): string {
|
|
return canonicalResolutionMessage(resolutionSubjectSchema.parse(subject), hex.parse(reviewerOwner), uuid.parse(nonce), expiresAt);
|
|
}
|
|
|
|
/** Resolve a reorg hold only after the output is again present, unlocked, sufficiently confirmed, and signed off. */
|
|
export async function resolveReleasedDepositReorgHold(pool: Pool, rawApproval: DepositReorgResolutionApproval,
|
|
policy: DepositCreditPolicy, now = Date.now()): Promise<DepositReorgResolutionResult> {
|
|
validatePolicy(policy);
|
|
const approval = resolutionApprovalSchema.parse(rawApproval);
|
|
const message = canonicalResolutionMessage(approval.subject, approval.reviewerOwner, approval.nonce, approval.expiresAt);
|
|
if (!policy.approvedReviewerOwners.includes(approval.reviewerOwner) ||
|
|
address(approval.reviewerPublicKey) !== approval.reviewerOwner ||
|
|
!verifySignature(approval.reviewerPublicKey, approval.reviewerOwner, message, approval.signature)) {
|
|
throw new Error('Deposit reorg resolution signature is invalid');
|
|
}
|
|
const reviewDigest = digest(message), client = await pool.connect();
|
|
try {
|
|
await client.query('BEGIN');
|
|
await client.query("SET LOCAL statement_timeout='10s'; SET LOCAL lock_timeout='3s'; SET LOCAL synchronous_commit=on");
|
|
await client.query('SELECT pg_advisory_xact_lock($1::bigint)', [CUSTODY_WRITE_LOCK]);
|
|
const existing = await client.query(`SELECT resolution_id::text,review_nonce,review_signature,review_digest
|
|
FROM wk_custody.monero_deposit_reorg_resolutions WHERE hold_id=$1`, [approval.subject.holdId]);
|
|
if (existing.rowCount) {
|
|
const saved = existing.rows[0];
|
|
if (saved.review_nonce !== approval.nonce || saved.review_signature !== approval.signature || saved.review_digest !== reviewDigest) {
|
|
throw new Error('Deposit reorg hold was already resolved under different reviewed terms');
|
|
}
|
|
await client.query('COMMIT'); return { resolutionId: saved.resolution_id, holdId: approval.subject.holdId, replayed: true };
|
|
}
|
|
if (approval.expiresAt < now || approval.expiresAt > now + 5 * 60_000) {
|
|
throw new Error('Deposit reorg resolution signature is expired or outside the allowed window');
|
|
}
|
|
const current = await readReorgResolutionSubject(client, approval.subject.creditId, approval.subject.holdId, policy, now);
|
|
if (JSON.stringify(current) !== JSON.stringify(approval.subject)) throw new Error('Deposit reorg evidence changed after review');
|
|
const resolutionId = randomUUID();
|
|
await client.query(`INSERT INTO wk_custody.monero_deposit_reorg_resolutions(
|
|
resolution_id,hold_id,credit_id,release_id,resolved_by,resolved_at,disposition,resolution_kind,
|
|
reviewer_public_key,review_nonce,review_expires_at,review_signature,review_subject,review_digest)
|
|
VALUES($1,$2,$3,$4,$5,$6,'revalidated-for-release','post-release-review',$7,$8,$9,$10,$11,$12)`,
|
|
[resolutionId, approval.subject.holdId, approval.subject.creditId, approval.subject.releaseId,
|
|
approval.reviewerOwner, now, approval.reviewerPublicKey, approval.nonce, approval.expiresAt,
|
|
approval.signature, JSON.stringify(approval.subject), reviewDigest]);
|
|
await client.query('COMMIT'); return { resolutionId, holdId: approval.subject.holdId, replayed: false };
|
|
} catch (error) { await client.query('ROLLBACK').catch(() => {}); throw error; }
|
|
finally { client.release(); }
|
|
}
|
|
|
|
/** Append review holds for post-credit Monero reorg signals; this never reverses a journal or releases pending funds. */
|
|
export async function reconcileDepositCreditReorgHolds(pool: Pool, walletFingerprint: string, now = Date.now()): Promise<number> {
|
|
fingerprint.parse(walletFingerprint);
|
|
const client = await pool.connect();
|
|
try {
|
|
await client.query('BEGIN');
|
|
await client.query("SET LOCAL statement_timeout='10s'; SET LOCAL lock_timeout='3s'; SET LOCAL synchronous_commit=on");
|
|
await client.query('SELECT pg_advisory_xact_lock($1::bigint)', [CUSTODY_WRITE_LOCK]);
|
|
const reorgs = await client.query(`SELECT c.credit_id,c.observation_id,e.sequence,e.event_type
|
|
FROM wk_custody.monero_deposit_credit_events c
|
|
JOIN wk_custody.monero_observation_events e ON e.wallet_fingerprint=c.wallet_fingerprint
|
|
AND e.observation_id=c.observation_id AND e.sequence>c.last_observation_event_sequence
|
|
WHERE c.wallet_fingerprint=$1 AND e.event_type IN ('changed','not-seen','reappeared')
|
|
AND NOT EXISTS (SELECT 1 FROM wk_custody.monero_deposit_reorg_holds h
|
|
WHERE h.credit_id=c.credit_id AND h.observation_event_sequence=e.sequence)
|
|
ORDER BY e.sequence LIMIT 1024`, [walletFingerprint]);
|
|
for (const row of reorgs.rows) {
|
|
await client.query(`INSERT INTO wk_custody.monero_deposit_reorg_holds(
|
|
hold_id,credit_id,wallet_fingerprint,observation_id,observation_event_sequence,event_type,created_at)
|
|
VALUES($1,$2,$3,$4,$5,$6,$7) ON CONFLICT(credit_id,observation_event_sequence) DO NOTHING`,
|
|
[randomUUID(), row.credit_id, walletFingerprint, row.observation_id, row.sequence, row.event_type, now]);
|
|
}
|
|
await client.query('COMMIT'); return reorgs.rowCount ?? 0;
|
|
} catch (error) { await client.query('ROLLBACK').catch(() => {}); throw error; }
|
|
finally { client.release(); }
|
|
}
|