41 lines
1.2 KiB
TypeScript
41 lines
1.2 KiB
TypeScript
import { getChain } from '@/config';
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type EndpointType = 'graphql' | 'rpc' | 'txnBot';
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class ChainConfigService {
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getEndpoint(chainId: number, type: EndpointType): string {
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const chain = getChain(chainId);
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if (!chain) {
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throw new Error(`Chain ${chainId} is not configured.`);
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}
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switch (type) {
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case 'graphql':
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return this.ensureEndpoint(chain.graphql, chainId, 'GraphQL');
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case 'rpc':
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return this.ensureEndpoint(chain.cheats?.rpc, chainId, 'RPC');
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case 'txnBot':
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return this.ensureEndpoint(chain.cheats?.txnBot, chainId, 'txnBot');
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default:
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// Exhaustiveness check
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assertNever(type);
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}
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}
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private ensureEndpoint(value: string | null | undefined, chainId: number, label: string): string {
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const normalized = value?.trim();
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if (!normalized) {
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throw new Error(`${label} endpoint not configured for chain ${chainId}.`);
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}
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if (normalized.startsWith('http://') || normalized.startsWith('https://')) {
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return normalized;
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}
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return normalized.startsWith('/') ? normalized : `/${normalized}`;
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}
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}
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function assertNever(_x: never): never {
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throw new Error('Unsupported endpoint type');
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}
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export const chainConfigService = new ChainConfigService();
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