fix: gas oracle overhead calculation (#4571)

fix: gas oracle overhead calculation

as spotted by @tkporter
https://canary.discord.com/channels/935678348330434570/1288601439006097498/1288602404950114334

---------

Signed-off-by: pbio <10051819+paulbalaji@users.noreply.github.com>

typescript/infra/config/environments/mainnet3/igp.ts

@@ -4,8 +4,8 @@ import { exclude, objMap } from '@hyperlane-xyz/utils';
 import {
   AllStorageGasOracleConfigs,
   getAllStorageGasOracleConfigs,
+  getOverhead,
   getTokenExchangeRateFromValues,
-  remoteOverhead,
 } from '../../../src/config/gas-oracle.js';
 
 import { ethereumChainNames } from './chains.js';
@@ -16,9 +16,9 @@ import rawTokenPrices from './tokenPrices.json';
 
 const tokenPrices: ChainMap<string> = rawTokenPrices;
 
-const remoteOverheadWithOverrides = (chain: ChainName) => {
-  let overhead = remoteOverhead(chain, ethereumChainNames);
-  if (chain === 'moonbeam') {
+const getOverheadWithOverrides = (local: ChainName, remote: ChainName) => {
+  let overhead = getOverhead(local, remote, ethereumChainNames);
+  if (remote === 'moonbeam') {
     overhead *= 4;
   }
   return overhead;
@@ -31,7 +31,7 @@ const storageGasOracleConfig: AllStorageGasOracleConfigs =
     (local, remote) =>
       getTokenExchangeRateFromValues(local, remote, tokenPrices),
     (local) => parseFloat(tokenPrices[local]),
-    remoteOverheadWithOverrides,
+    getOverheadWithOverrides,
   );
 
 export const igp: ChainMap<IgpConfig> = objMap(
@@ -49,7 +49,7 @@ export const igp: ChainMap<IgpConfig> = objMap(
     overhead: Object.fromEntries(
       exclude(local, supportedChainNames).map((remote) => [
         remote,
-        remoteOverhead(remote, ethereumChainNames),
+        getOverheadWithOverrides(local, remote),
       ]),
     ),
     oracleConfig: storageGasOracleConfig[local],

typescript/infra/config/environments/test/igp.ts

@@ -17,8 +17,8 @@ export const igp: ChainMap<IgpConfig> = objMap(
       exclude(chain, testChainNames).map((remote) => [
         remote,
         multisigIsmVerificationCost(
-          multisigIsm[remote].threshold,
-          multisigIsm[remote].validators.length,
+          multisigIsm[chain].threshold,
+          multisigIsm[chain].validators.length,
         ),
       ]),
     );

typescript/infra/config/environments/testnet4/igp.ts

@@ -4,8 +4,8 @@ import { Address, exclude, objMap } from '@hyperlane-xyz/utils';
 import {
   AllStorageGasOracleConfigs,
   getAllStorageGasOracleConfigs,
+  getOverhead,
   getTokenExchangeRateFromValues,
-  remoteOverhead,
 } from '../../../src/config/gas-oracle.js';
 
 import { ethereumChainNames } from './chains.js';
@@ -23,7 +23,7 @@ export const storageGasOracleConfig: AllStorageGasOracleConfigs =
     (local, remote) =>
       getTokenExchangeRateFromValues(local, remote, tokenPrices),
     (local) => parseFloat(tokenPrices[local]),
-    (local) => remoteOverhead(local, ethereumChainNames),
+    (local, remote) => getOverhead(local, remote, ethereumChainNames),
   );
 
 export const igp: ChainMap<IgpConfig> = objMap(
@@ -38,7 +38,7 @@ export const igp: ChainMap<IgpConfig> = objMap(
       overhead: Object.fromEntries(
         exclude(chain, supportedChainNames).map((remote) => [
           remote,
-          remoteOverhead(remote, ethereumChainNames),
+          getOverhead(chain, remote, ethereumChainNames),
         ]),
       ),
     };

typescript/infra/src/config/gas-oracle.ts

@@ -49,7 +49,7 @@ function getLocalStorageGasOracleConfig(
   gasPrices: ChainMap<GasPriceConfig>,
   getTokenExchangeRate: (local: ChainName, remote: ChainName) => BigNumber,
   getTokenUsdPrice?: (chain: ChainName) => number,
-  remoteOverhead?: (remote: ChainName) => number,
+  getOverhead?: (local: ChainName, remote: ChainName) => number,
 ): StorageGasOracleConfig {
   return remotes.reduce((agg, remote) => {
     let exchangeRate = getTokenExchangeRate(local, remote);
@@ -96,8 +96,8 @@ function getLocalStorageGasOracleConfig(
 
     // If we have access to these, let's use the USD prices to apply some minimum
     // typical USD payment heuristics.
-    if (getTokenUsdPrice && remoteOverhead) {
-      const typicalRemoteGasAmount = remoteOverhead(remote) + 50_000;
+    if (getTokenUsdPrice && getOverhead) {
+      const typicalRemoteGasAmount = getOverhead(local, remote) + 50_000;
       const typicalIgpQuoteUsd = getUsdQuote(
         local,
         gasPriceBn,
@@ -187,14 +187,15 @@ function getUsdQuote(
 const FOREIGN_DEFAULT_OVERHEAD = 600_000;
 
 // Overhead for interchain messaging
-export function remoteOverhead(
+export function getOverhead(
+  local: ChainName,
   remote: ChainName,
   ethereumChainNames: ChainName[],
 ): number {
   return ethereumChainNames.includes(remote as any)
     ? multisigIsmVerificationCost(
-        defaultMultisigConfigs[remote].threshold,
-        defaultMultisigConfigs[remote].validators.length,
+        defaultMultisigConfigs[local].threshold,
+        defaultMultisigConfigs[local].validators.length,
       )
     : FOREIGN_DEFAULT_OVERHEAD; // non-ethereum overhead
 }
@@ -205,7 +206,7 @@ export function getAllStorageGasOracleConfigs(
   gasPrices: ChainMap<GasPriceConfig>,
   getTokenExchangeRate: (local: ChainName, remote: ChainName) => BigNumber,
   getTokenUsdPrice?: (chain: ChainName) => number,
-  remoteOverhead?: (remote: ChainName) => number,
+  getOverhead?: (local: ChainName, remote: ChainName) => number,
 ): AllStorageGasOracleConfigs {
   return chainNames.filter(isEthereumProtocolChain).reduce((agg, local) => {
     const remotes = chainNames.filter((chain) => local !== chain);
@@ -217,7 +218,7 @@ export function getAllStorageGasOracleConfigs(
         gasPrices,
         getTokenExchangeRate,
         getTokenUsdPrice,
-        remoteOverhead,
+        getOverhead,
       ),
     };
   }, {}) as AllStorageGasOracleConfigs;