Jan [Yann] fafk
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| import math | |
| def lcm(a, b): | |
| return abs(a*b) // math.gcd(a, b) | |
| def egcd(a, b): | |
| if a == 0: | |
| return (b, 0, 1) | |
| else: | |
| g, y, x = egcd(b % a, a) |
fafk
/ Crude Bitcoin address validation
Created
June 4, 2019 19:44
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| export function validateBtcAddress(address) { | |
| if (typeof address !== 'string') return false; | |
| if (address.length < 26 || address.length > 35) return false; | |
| return /^1/.test(address) || /^3/.test(address) || /^bc1/.test(address); | |
| } |
fafk
/ eth_faucet
Created
August 2, 2017 15:59
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| 0x05AD1f8389a77c1968bb8b40052af4a7Ba4A0cF3 |