@taquito/michelson-encoder/dist/lib/tokens/comparable/nat.js

Michelson encoding and decoding utilities for Taquito.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.NatToken = exports.NatValidationError = void 0;
const token_1 = require("../token");
const bignumber_js_1 = require("bignumber.js");
/**
 *  @category Error
 *  Error that indicates a failure happening when parsing encoding/executing Nat
 */
class NatValidationError extends token_1.TokenValidationError {
    constructor(value, token, message) {
        super(value, token, message);
        this.value = value;
        this.token = token;
        this.name = 'NatValidationError';
    }
}
exports.NatValidationError = NatValidationError;
class NatToken extends token_1.ComparableToken {
    constructor(val, idx, fac) {
        super(val, idx, fac);
        this.val = val;
        this.idx = idx;
        this.fac = fac;
    }
    Execute(val) {
        return new bignumber_js_1.default(val[Object.keys(val)[0]]);
    }
    /**
     * @throws {@link NatValidationError}
     */
    Encode(args) {
        const val = args.pop();
        this.validate(val);
        return { int: new bignumber_js_1.default(val).toFixed() };
    }
    /**
     * @throws {@link NatValidationError}
     */
    validate(val) {
        let bigNumber;
        try {
            bigNumber = new bignumber_js_1.default(val);
        }
        catch {
            throw new NatValidationError(val, this, `Value is not a number: ${JSON.stringify(val)}`);
        }
        if (bigNumber.isNaN()) {
            throw new NatValidationError(val, this, `Value is not a number: ${JSON.stringify(val)}`);
        }
        if (bigNumber.isNegative()) {
            throw new NatValidationError(val, this, `Value cannot be negative: ${JSON.stringify(val)}`);
        }
    }
    /**
     * @throws {@link NatValidationError}
     */
    EncodeObject(val, semantic) {
        this.validate(val);
        if (semantic && semantic[NatToken.prim]) {
            return semantic[NatToken.prim](val);
        }
        return { int: new bignumber_js_1.default(val).toFixed() };
    }
    generateSchema() {
        return {
            __michelsonType: NatToken.prim,
            schema: NatToken.prim,
        };
    }
    ToBigMapKey(val) {
        return {
            key: { int: String(val) },
            type: { prim: NatToken.prim },
        };
    }
    ToKey({ int }) {
        return new bignumber_js_1.default(int);
    }
    compare(nat1, nat2) {
        const o1 = Number(nat1);
        const o2 = Number(nat2);
        if (o1 === o2) {
            return 0;
        }
        return o1 < o2 ? -1 : 1;
    }
    findAndReturnTokens(tokenToFind, tokens) {
        if (NatToken.prim === tokenToFind) {
            tokens.push(this);
        }
        return tokens;
    }
}
exports.NatToken = NatToken;
NatToken.prim = 'nat';