acme.js/tests/maintainer.js

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'use strict';
var native = require('../lib/native.js');
var crypto = require('crypto');
native
._hashcash({
alg: 'SHA-256',
nonce: '00',
needle: '0000',
start: 0,
end: 2
})
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.then(function (hashcash) {
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if ('00:76de' !== hashcash) {
throw new Error('hashcash algorthim changed');
}
console.info('PASS: known hash solves correctly');
return native
._hashcash({
alg: 'SHA-256',
nonce: '10',
needle: '',
start: 0,
end: 2
})
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.then(function (hashcash) {
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if ('10:00' !== hashcash) {
throw new Error('hashcash algorthim changed');
}
console.info('PASS: empty hash solves correctly');
var now = Date.now();
var nonce = '20';
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var needle = crypto.randomBytes(3).toString('hex').slice(0, 5);
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native
._hashcash({
alg: 'SHA-256',
nonce: nonce,
needle: needle,
start: 0,
end: Math.ceil(needle.length / 2)
})
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.then(function (hashcash) {
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var later = Date.now();
var parts = hashcash.split(':');
var answer = parts[1];
if (parts[0] !== nonce) {
throw new Error('incorrect nonce');
}
var haystack = crypto
.createHash('sha256')
.update(Buffer.from(nonce + answer, 'hex'))
.digest()
.slice(0, Math.ceil(needle.length / 2));
if (
-1 === haystack.indexOf(Buffer.from(needle, 'hex'))
) {
throw new Error('incorrect solution');
}
if (later - now > 2000) {
throw new Error('took too long to solve');
}
console.info(
'PASS: rando hash solves correctly (and in good time - %dms)',
later - now
);
});
});
});