price subscriptions

src/blockchain/contract.js

@@ -4,6 +4,8 @@ import {useStore} from "@/store/store.js";
 
 
 export function vaultAddress( owner, num=0) {
+    if( !owner )
+        return null
     const s = useStore()
     const salt = ethers.solidityPackedKeccak256(['address','uint8'],[owner,num])
     return ethers.getCreate2Address(s.factory, salt, s.vaultInitCodeHash)
@@ -31,7 +33,7 @@ export async function queryHelperContract() {
 
 export async function poolContract(addr) {
     const s = useStore()
-    return contractOrNull(addr, poolAbi, s.provider)
+    return contractOrNull(addr, uniswapV3PoolAbi, s.provider)
 }
 
 export async function vaultContract(num, signer) {