iota-ternary

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Fast utility functions for conversion between trytes, trits and bytes

41 lines (40 loc) • 697 B

JavaScript

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const TRYTES_TO_NUMBERS = {
    "9": 0,
    "A": 1,
    "B": 2,
    "C": 3,
    "D": 4,
    "E": 5,
    "F": 6,
    "G": 7,
    "H": 8,
    "I": 9,
    "J": 10,
    "K": 11,
    "L": 12,
    "M": 13,
    "N": -13,
    "O": -12,
    "P": -11,
    "Q": -10,
    "R": -9,
    "S": -8,
    "T": -7,
    "U": -6,
    "V": -5,
    "W": -4,
    "X": -3,
    "Y": -2,
    "Z": -1
};
function trytesToNumber(trytes) {
    var i, result;
    result = 0;
    for (i = trytes.length - 1; i >= 0; --i) {
        result = result * 27 + TRYTES_TO_NUMBERS[trytes[i]];
    }
    return result;
}
exports.trytesToNumber = trytesToNumber;