18 lines
681 B
TypeScript
18 lines
681 B
TypeScript
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/**
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* Shared JSON-RPC utility for holdout helpers.
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*
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* Exported from one place so wallet.ts, assertions.ts, and future helpers
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* share a single implementation rather than embedding the same fetch +
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* error-check block in each file.
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*/
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export async function rpcCall(rpcUrl: string, method: string, params: unknown[]): Promise<unknown> {
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const resp = await fetch(rpcUrl, {
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method: 'POST',
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headers: { 'content-type': 'application/json' },
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body: JSON.stringify({ jsonrpc: '2.0', id: Date.now(), method, params }),
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});
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const payload = await resp.json();
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if (payload.error) throw new Error(`RPC ${method}: ${payload.error.message}`);
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return payload.result;
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}
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