Migrate liquidity docs to ADD_SUBSIDY txns

- add txn for antes, house subsidies

backend/api/src/add-subsidy.ts

@@ -5,6 +5,7 @@ import { getNewLiquidityProvision } from 'common/add-liquidity'
 import { APIError, type APIHandler } from './helpers/endpoint'
 import { SUBSIDY_FEE } from 'common/economy'
 import { runTxn } from 'shared/txn/run-txn'
+import { type Txn } from 'common/txn'
 
 export const addLiquidity: APIHandler<
   'market/:contractId/add-liquidity'
@@ -35,21 +36,14 @@ export const addLiquidity: APIHandler<
 
     if (user.balance < amount) throw new APIError(403, 'Insufficient balance')
 
-    const newLiquidityProvisionDoc = firestore
-      .collection(`contracts/${contractId}/liquidity`)
-      .doc()
-
     const subsidyAmount = (1 - SUBSIDY_FEE) * amount
 
-    const { newLiquidityProvision, newTotalLiquidity, newSubsidyPool } =
-      getNewLiquidityProvision(
-        user.id,
-        subsidyAmount,
-        contract,
-        newLiquidityProvisionDoc.id
-      )
+    const { newTotalLiquidity, newSubsidyPool } = getNewLiquidityProvision(
+      subsidyAmount,
+      contract
+    )
 
-    await runTxn(transaction, {
+    const { status, message, txn } = await runTxn(transaction, {
       fromId: user.id,
       amount: amount,
       toId: contractId,
@@ -59,6 +53,10 @@ export const addLiquidity: APIHandler<
       fromType: 'USER',
     })
 
+    if (status === 'error' || !txn) {
+      throw new APIError(500, message ?? 'Unknown error')
+    }
+
     transaction.update(contractDoc, {
       subsidyPool: newSubsidyPool,
       totalLiquidity: newTotalLiquidity,
@@ -70,8 +68,7 @@ export const addLiquidity: APIHandler<
       throw new APIError(500, 'Invalid user balance for ' + user.username)
     }
 
-    transaction.create(newLiquidityProvisionDoc, newLiquidityProvision)
-    return newLiquidityProvision
+    return txn as Txn
   })
 }
 

backend/api/src/create-answer-cpmm.ts

@@ -17,11 +17,13 @@ import { isAdminId } from 'common/envs/constants'
 import { Bet } from 'common/bet'
 import { floatingEqual } from 'common/util/math'
 import { noFees } from 'common/fees'
-import { getCpmmInitialLiquidity } from 'common/antes'
+import { getCpmmInitialLiquidityTxn } from 'common/antes'
 import { addUserToContractFollowers } from 'shared/follow-market'
 import { log } from 'shared/utils'
 import { createNewAnswerOnContractNotification } from 'shared/create-notification'
 import { removeUndefinedProps } from 'common/util/object'
+import { addHouseSubsidyToAnswer } from 'shared/helpers/add-house-subsidy'
+import { runTxn } from 'shared/txn/run-txn'
 
 export const createAnswerCPMM: APIHandler<'market/:contractId/answer'> = async (
   props,
@@ -167,18 +169,15 @@ export const createAnswerCpmmMain = async (
         transaction.update(contractDoc, {
           totalLiquidity: FieldValue.increment(ANSWER_COST),
         })
-        const liquidityDoc = firestore
-          .collection(`contracts/${contract.id}/liquidity`)
-          .doc()
-        const lp = getCpmmInitialLiquidity(
+
+        const lp = getCpmmInitialLiquidityTxn(
           user.id,
           contract,
-          liquidityDoc.id,
           ANSWER_COST,
-          createdTime,
           newAnswer.id
         )
-        transaction.create(liquidityDoc, lp)
+
+        await runTxn(transaction, lp)
       }
 
       return { newAnswerId: newAnswer.id, contract, user }

backend/api/src/create-market.ts

@@ -1,6 +1,6 @@
 import * as admin from 'firebase-admin'
 import { FieldValue, Transaction } from 'firebase-admin/firestore'
-import { getCpmmInitialLiquidity } from 'common/antes'
+import { getCpmmInitialLiquidityTxn } from 'common/antes'
 import {
   add_answers_mode,
   Contract,
@@ -593,18 +593,14 @@ async function generateAntes(
     outcomeType === 'MULTIPLE_CHOICE' ||
     outcomeType === 'NUMBER'
   ) {
-    const liquidityDoc = firestore
-      .collection(`contracts/${contract.id}/liquidity`)
-      .doc()
-
-    const lp = getCpmmInitialLiquidity(
+    const lp = getCpmmInitialLiquidityTxn(
       providerId,
       contract as CPMMBinaryContract | CPMMMultiContract,
-      liquidityDoc.id,
-      ante,
-      contract.createdTime
+      ante
     )
 
-    await liquidityDoc.set(lp)
+    await firestore.runTransaction(async (transaction) => {
+      runTxn(transaction, lp)
+    })
   }
 }

backend/functions/src/triggers/on-create-liquidity-provision.ts

@@ -1,45 +1,30 @@
-import * as functions from 'firebase-functions'
-import { getContract, getUser, log } from 'shared/utils'
+import { getContract, getUser } from 'shared/utils'
 import { createFollowOrMarketSubsidizedNotification } from 'shared/create-notification'
-import { LiquidityProvision } from 'common/liquidity-provision'
 import { addUserToContractFollowers } from 'shared/follow-market'
-import {
-  DEV_HOUSE_LIQUIDITY_PROVIDER_ID,
-  HOUSE_LIQUIDITY_PROVIDER_ID,
-} from 'common/antes'
-import { secrets } from 'common/secrets'
+import { AddSubsidyTxn } from 'common/txn'
 
-export const onCreateLiquidityProvision = functions
-  .runWith({ secrets })
-  .firestore.document('contracts/{contractId}/liquidity/{liquidityId}')
-  .onCreate(async (change, context) => {
-    const liquidity = change.data() as LiquidityProvision
-    const { eventId } = context
+// TODO: add this as continuation of add liquidity instances
 
-    // Ignore Manifold Markets liquidity for now - users see a notification for free market liquidity provision
-    if (
-      liquidity.isAnte ||
-      liquidity.userId === HOUSE_LIQUIDITY_PROVIDER_ID ||
-      liquidity.userId === DEV_HOUSE_LIQUIDITY_PROVIDER_ID
-    )
-      return
+export const onCreateLiquidityProvision = async (txn: AddSubsidyTxn) => {
+  // Ignore Manifold Markets liquidity for now - users see a notification for free market liquidity provision
+  if (txn.fromType === 'BANK' || txn.data.isAnte) {
+    return
+  }
 
-    log(`onCreateLiquidityProvision: ${JSON.stringify(liquidity)}`)
+  const contract = await getContract(txn.toId)
+  if (!contract)
+    throw new Error('Could not find contract corresponding with liquidity')
 
-    const contract = await getContract(liquidity.contractId)
-    if (!contract)
-      throw new Error('Could not find contract corresponding with liquidity')
-
-    const liquidityProvider = await getUser(liquidity.userId)
-    if (!liquidityProvider) throw new Error('Could not find liquidity provider')
-    await addUserToContractFollowers(contract.id, liquidityProvider.id)
-    await createFollowOrMarketSubsidizedNotification(
-      contract.id,
-      'liquidity',
-      'created',
-      liquidityProvider,
-      eventId,
-      liquidity.amount.toString(),
-      { contract }
-    )
-  })
+  const liquidityProvider = await getUser(txn.fromId)
+  if (!liquidityProvider) throw new Error('Could not find liquidity provider')
+  await addUserToContractFollowers(contract.id, liquidityProvider.id)
+  await createFollowOrMarketSubsidizedNotification(
+    contract.id,
+    'liquidity',
+    'created',
+    liquidityProvider,
+    txn.id,
+    txn.amount.toString(),
+    { contract }
+  )
+}

backend/shared/src/helpers/add-house-subsidy.ts

@@ -1,44 +1,42 @@
 import * as admin from 'firebase-admin'
 import { FieldValue } from 'firebase-admin/firestore'
-
 import { CPMMContract, CPMMMultiContract } from 'common/contract'
-import { isProd } from 'shared/utils'
-import {
-  DEV_HOUSE_LIQUIDITY_PROVIDER_ID,
-  HOUSE_LIQUIDITY_PROVIDER_ID,
-} from 'common/antes'
 import { getNewLiquidityProvision } from 'common/add-liquidity'
+import { APIError } from 'common/api/utils'
+import { runTxnFromBank } from 'shared/txn/run-txn'
 
 const firestore = admin.firestore()
 
 export const addHouseSubsidy = (contractId: string, amount: number) => {
   return firestore.runTransaction(async (transaction) => {
-    const newLiquidityProvisionDoc = firestore
-      .collection(`contracts/${contractId}/liquidity`)
-      .doc()
-
-    const providerId = isProd()
-      ? HOUSE_LIQUIDITY_PROVIDER_ID
-      : DEV_HOUSE_LIQUIDITY_PROVIDER_ID
-
     const contractDoc = firestore.doc(`contracts/${contractId}`)
     const snap = await transaction.get(contractDoc)
     const contract = snap.data() as CPMMContract | CPMMMultiContract
 
-    const { newLiquidityProvision, newTotalLiquidity, newSubsidyPool } =
-      getNewLiquidityProvision(
-        providerId,
-        amount,
-        contract,
-        newLiquidityProvisionDoc.id
-      )
+    const { newTotalLiquidity, newSubsidyPool } = getNewLiquidityProvision(
+      amount,
+      contract
+    )
+
+    const { status, message, txn } = await runTxnFromBank(transaction, {
+      fromType: 'BANK',
+      amount,
+      toId: contractId,
+      toType: 'CONTRACT',
+      category: 'ADD_SUBSIDY',
+      token: 'M$',
+    })
+
+    if (status === 'error') {
+      throw new APIError(500, message ?? 'Unknown error')
+    }
 
     transaction.update(contractDoc, {
       subsidyPool: newSubsidyPool,
       totalLiquidity: newTotalLiquidity,
     } as Partial<CPMMContract>)
 
-    transaction.create(newLiquidityProvisionDoc, newLiquidityProvision)
+    return txn
   })
 }
 
@@ -48,25 +46,21 @@ export const addHouseSubsidyToAnswer = (
   amount: number
 ) => {
   return firestore.runTransaction(async (transaction) => {
-    const newLiquidityProvisionDoc = firestore
-      .collection(`contracts/${contractId}/liquidity`)
-      .doc()
-
-    const providerId = isProd()
-      ? HOUSE_LIQUIDITY_PROVIDER_ID
-      : DEV_HOUSE_LIQUIDITY_PROVIDER_ID
-
     const contractDoc = firestore.doc(`contracts/${contractId}`)
-    const snap = await transaction.get(contractDoc)
-    const contract = snap.data() as CPMMContract | CPMMMultiContract
 
-    const { newLiquidityProvision } = getNewLiquidityProvision(
-      providerId,
+    const { status, message, txn } = await runTxnFromBank(transaction, {
+      fromType: 'BANK',
       amount,
-      contract,
-      newLiquidityProvisionDoc.id,
-      answerId
-    )
+      toId: contractId,
+      toType: 'CONTRACT',
+      category: 'ADD_SUBSIDY',
+      token: 'M$',
+      data: { answerId },
+    })
+
+    if (status === 'error') {
+      throw new APIError(500, message ?? 'Unknown error')
+    }
 
     transaction.update(contractDoc, {
       totalLiquidity: FieldValue.increment(amount),
@@ -80,6 +74,6 @@ export const addHouseSubsidyToAnswer = (
       subsidyPool: FieldValue.increment(amount),
     })
 
-    transaction.create(newLiquidityProvisionDoc, newLiquidityProvision)
+    return txn
   })
 }

backend/shared/src/resolve-market-helpers.ts

@@ -35,6 +35,7 @@ import { recordContractEdit } from 'shared/record-contract-edit'
 import { createSupabaseDirectClient } from './supabase/init'
 import { Answer } from 'common/answer'
 import { acquireLock, releaseLock } from './firestore-lock'
+import { convertTxn } from 'common/supabase/txns'
 
 export type ResolutionParams = {
   outcome: string
@@ -255,14 +256,26 @@ export const getDataAndPayoutInfo = async (
   answerId: string | undefined
 ) => {
   const { id: contractId, creatorId, outcomeType } = unresolvedContract
-  const liquiditiesSnap = await firestore
-    .collection(`contracts/${contractId}/liquidity`)
-    .get()
-
-  const liquidityDocs = liquiditiesSnap.docs.map(
-    (doc) => doc.data() as LiquidityProvision
+  const pg = createSupabaseDirectClient()
+
+  const liquidityTxns = await pg.map(
+    `select * from txns
+    where category = 'ADD_SUBSIDY'
+    and to_id = $1`,
+    [contractId],
+    convertTxn
   )
 
+  const liquidityDocs: LiquidityProvision[] = liquidityTxns.map((txn) => ({
+    id: txn.id,
+    userId: txn.fromId,
+    contractId,
+    createdTime: txn.createdTime,
+    isAnte: txn.data?.isAnte,
+    answerId: txn.data?.answerId,
+    amount: txn.amount,
+  }))
+
   const liquidities =
     unresolvedContract.mechanism === 'cpmm-multi-1' &&
     outcomeType !== 'NUMBER' &&
@@ -278,7 +291,6 @@ export const getDataAndPayoutInfo = async (
   ) {
     // Load bets from supabase as an optimization.
     // This type of multi choice generates a lot of extra bets that have shares = 0.
-    const pg = createSupabaseDirectClient()
     bets = await pg.map(
       `select * from contract_bets
       where contract_id = $1