diff --git a/cloud_functions/src/computeMessageCountHistory.ts b/cloud_functions/src/computeMessageCountHistory.ts
index 69562676..6e0ff803 100644
--- a/cloud_functions/src/computeMessageCountHistory.ts
+++ b/cloud_functions/src/computeMessageCountHistory.ts
@@ -3,7 +3,7 @@ import { assertEnvironmentVariable } from './utils';
 import { Firestore } from 'firebase-admin/firestore';
 import { MessageCountsHistory } from './types';
 import { deserialize } from '@wormhole-foundation/sdk-definitions';
-import { stringToChainId } from '@wormhole-foundation/wormhole-monitor-common';
+import { chainToChainId } from '@wormhole-foundation/sdk-base';
 
 export async function computeMessageCountHistory(req: any, res: any) {
   res.set('Access-Control-Allow-Origin', '*');
@@ -46,11 +46,7 @@ export async function computeMessageCountHistory(req: any, res: any) {
           continue;
         }
         const date = new Date(parsed.timestamp * 1000).toISOString().slice(0, 10);
-        const chainId = stringToChainId(parsed.emitterChain);
-        if (!chainId) {
-          console.error(`Unknown emitter chain: ${parsed.emitterChain}`);
-          continue;
-        }
+        const chainId = chainToChainId(parsed.emitterChain);
         messageCounts.DailyTotals[date] = {
           ...messageCounts.DailyTotals[date],
           [chainId]: (messageCounts.DailyTotals[date]?.[chainId] || 0) + 1,
diff --git a/cloud_functions/src/consts.ts b/cloud_functions/src/consts.ts
index 540227b7..7fd4e14d 100644
--- a/cloud_functions/src/consts.ts
+++ b/cloud_functions/src/consts.ts
@@ -1,8 +1,8 @@
-import { ChainId, toChainId } from '@wormhole-foundation/sdk-base';
+import { ChainId, chainToChainId } from '@wormhole-foundation/sdk-base';
 
 // TODO: this should probably be a table in the database
 export const TVL_TOKEN_DENYLIST: { [key in ChainId]?: string[] } = {
-  [toChainId('Fantom')]: ['0x5b2af7fd27e2ea14945c82dd254c79d3ed34685e'], // coingecko reporting bad prices
+  [chainToChainId('Fantom')]: ['0x5b2af7fd27e2ea14945c82dd254c79d3ed34685e'], // coingecko reporting bad prices
 };
 
 export const isTokenDenylisted = (chainId: ChainId, address: string): boolean => {
diff --git a/cloud_functions/src/getReobserveVaas.ts b/cloud_functions/src/getReobserveVaas.ts
index 249ae859..b2ff0738 100644
--- a/cloud_functions/src/getReobserveVaas.ts
+++ b/cloud_functions/src/getReobserveVaas.ts
@@ -1,5 +1,5 @@
 import { Connection } from '@solana/web3.js';
-import { contracts, toChainId } from '@wormhole-foundation/sdk-base';
+import { chainToChainId, contracts } from '@wormhole-foundation/sdk-base';
 import {
   getNetwork,
   isLegacyMessage,
@@ -114,7 +114,7 @@ async function getAndProcessReobsVAAs(): Promise<Map<string, ReobserveInfo>> {
         // So we put the rest back in the collection
         let solanaCount = 0;
         for (const vaa of vaas) {
-          if (vaa.chain === toChainId('Solana')) {
+          if (vaa.chain === chainToChainId('Solana')) {
             solanaCount++;
             if (solanaCount > MAX_SOLANA_VAAS_TO_REOBSERVE) {
               putBack.push(vaa);
@@ -143,7 +143,7 @@ async function getAndProcessReobsVAAs(): Promise<Map<string, ReobserveInfo>> {
 async function processVaa(vaa: ReobserveInfo): Promise<ReobserveInfo[] | null> {
   let vaas: ReobserveInfo[] = [];
 
-  if (vaa.chain === toChainId('Solana')) {
+  if (vaa.chain === chainToChainId('Solana')) {
     const origTxHash = vaa.txhash;
     const convertedTxHash: string[] = await convertSolanaTxToAccts(origTxHash);
     console.log(`Converted solana txHash ${origTxHash} to account ${convertedTxHash}`);