From 5cb6ee3bca43a4ad071e1146a00805a75c482a5b Mon Sep 17 00:00:00 2001
From: mantikoros <sgrugett@gmail.com>
Date: Fri, 29 Apr 2022 15:58:01 -0400
Subject: [PATCH] daily free markets' liquidity provided by @ManifoldMarkets

---
 common/antes.ts                          | 6 ++++--
 functions/src/create-contract.ts         | 5 ++++-
 functions/src/scripts/migrate-to-cfmm.ts | 2 +-
 3 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/common/antes.ts b/common/antes.ts
index a443f508..c77308f4 100644
--- a/common/antes.ts
+++ b/common/antes.ts
@@ -11,8 +11,10 @@ export const FIXED_ANTE = 100
 export const PHANTOM_ANTE = 0.001
 export const MINIMUM_ANTE = 50
 
+export const HOUSE_LIQUIDITY_PROVIDER_ID = 'IPTOzEqrpkWmEzh6hwvAyY9PqFb2' // @ManifoldMarkets' id
+
 export function getCpmmInitialLiquidity(
-  creator: User,
+  providerId: string,
   contract: FullContract<CPMM, Binary>,
   anteId: string,
   amount: number
@@ -21,7 +23,7 @@ export function getCpmmInitialLiquidity(
 
   const lp: LiquidityProvision = {
     id: anteId,
-    userId: creator.id,
+    userId: providerId,
     contractId: contract.id,
     createdTime,
     isAnte: true,
diff --git a/functions/src/create-contract.ts b/functions/src/create-contract.ts
index 781337f7..ae7b0ad8 100644
--- a/functions/src/create-contract.ts
+++ b/functions/src/create-contract.ts
@@ -22,6 +22,7 @@ import {
   getAnteBets,
   getCpmmInitialLiquidity,
   getFreeAnswerAnte,
+  HOUSE_LIQUIDITY_PROVIDER_ID,
   MINIMUM_ANTE,
 } from '../../common/antes'
 import { getNoneAnswer } from '../../common/answer'
@@ -144,8 +145,10 @@ export const createContract = functions
             .collection(`contracts/${contract.id}/liquidity`)
             .doc()
 
+          const providerId = isFree ? HOUSE_LIQUIDITY_PROVIDER_ID : creator.id
+
           const lp = getCpmmInitialLiquidity(
-            creator,
+            providerId,
             contract as FullContract<CPMM, Binary>,
             liquidityDoc.id,
             ante
diff --git a/functions/src/scripts/migrate-to-cfmm.ts b/functions/src/scripts/migrate-to-cfmm.ts
index cd9177a3..874011ca 100644
--- a/functions/src/scripts/migrate-to-cfmm.ts
+++ b/functions/src/scripts/migrate-to-cfmm.ts
@@ -106,7 +106,7 @@ async function recalculateContract(contractRef: DocRef, isCommit = false) {
     const liquidityDocRef = contractRef.collection('liquidity').doc()
 
     const lp = getCpmmInitialLiquidity(
-      { id: 'IPTOzEqrpkWmEzh6hwvAyY9PqFb2' } as User, // use @ManifoldMarkets' id
+      'IPTOzEqrpkWmEzh6hwvAyY9PqFb2', // use @ManifoldMarkets' id
       {
         ...contract,
         ...contractUpdate,