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perf: replace viem/chains wildcard import with named imports in paywall #1928

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perf: replace viem/chains wildcard import with named imports in paywall #1928

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11 changes: 7 additions & 4 deletions typescript/packages/http/paywall/src/paywallUtils.ts
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
import type { PaymentRequirements } from "@x402/core/types";
import * as allChains from "viem/chains";
import { base, baseSepolia } from "viem/chains";

// Chain configuration constants

Expand All @@ -10,6 +10,9 @@ export const EVM_CHAIN_IDS = {
BASE_SEPOLIA: "84532",
} as const;

// Local map of supported EVM chains (avoids importing all viem/chains)
const SUPPORTED_EVM_CHAINS = [base, baseSepolia] as const;

// Solana Network References (CAIP-2 format: solana:genesisHash)
export const SOLANA_NETWORK_REFS = {
MAINNET: "5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
Expand Down Expand Up @@ -102,8 +105,8 @@ export function getNetworkDisplayName(network: string): string {
if (network.startsWith("eip155:")) {
const chainId = parseInt(network.split(":")[1]);

// Find matching chain in viem's chain definitions
const chain = Object.values(allChains).find(c => c.id === chainId);
// Find matching chain in supported chain definitions
const chain = SUPPORTED_EVM_CHAINS.find(c => c.id === chainId);

if (chain) {
return chain.name;
Expand All @@ -130,7 +133,7 @@ export function getNetworkDisplayName(network: string): string {
export function isTestnetNetwork(network: string): boolean {
if (network.startsWith("eip155:")) {
const chainId = parseInt(network.split(":")[1]);
const chain = Object.values(allChains).find(c => c.id === chainId);
const chain = SUPPORTED_EVM_CHAINS.find(c => c.id === chainId);
return chain?.testnet ?? false;
}

Expand Down
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