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22 lines
603 B
JavaScript
22 lines
603 B
JavaScript
import log from 'loglevel'
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/**
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* Returns a middleware that logs RPC activity
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* @param {{ origin: string }} opts - The middleware options
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* @returns {Function}
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*/
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export default function createLoggerMiddleware (opts) {
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return function loggerMiddleware (/** @type {any} */ req, /** @type {any} */ res, /** @type {Function} */ next) {
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next((/** @type {Function} */ cb) => {
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if (res.error) {
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log.error('Error in RPC response:\n', res)
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}
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if (req.isMetamaskInternal) {
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return
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}
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log.info(`RPC (${opts.origin}):`, req, '->', res)
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cb()
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})
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}
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}
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