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Check merkle root

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poma 2019-07-18 16:30:24 +03:00
parent 1c642a40f1
commit f7bca08480
1 changed files with 5 additions and 0 deletions
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5
index.js
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@ -42,6 +42,11 @@ app.post('/relay', async (req, resp) => {
if (isSpent) {
throw new Error('The note has been spent')
}
const root = publicSignals[0]
const isKnownRoot = await mixer.methods.isKnownRoot(root).call()
if (!isKnownRoot) {
throw new Error('The merkle root is too old or invalid')
}
const gas = await mixer.methods.withdraw(pi_a, pi_b, pi_c, publicSignals).estimateGas()
const result = mixer.methods.withdraw(pi_a, pi_b, pi_c, publicSignals).send({
gas: numberToHex(gas + 50000),