@taquito/michelson-encoder
Version:
Michelson encoding and decoding utilities for Taquito.
91 lines (90 loc) • 2.7 kB
JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.KeyHashToken = exports.KeyHashValidationError = void 0;
const token_1 = require("../token");
const utils_1 = require("@taquito/utils");
/**
* @category Error
* Error that indicates a failure happening when parsing encoding/executing Key Hash
*/
class KeyHashValidationError extends token_1.TokenValidationError {
constructor(value, token, message) {
super(value, token, message);
this.value = value;
this.token = token;
this.name = 'KeyHashValidationError';
}
}
exports.KeyHashValidationError = KeyHashValidationError;
class KeyHashToken extends token_1.ComparableToken {
constructor(val, idx, fac) {
super(val, idx, fac);
this.val = val;
this.idx = idx;
this.fac = fac;
}
Execute(val) {
if (val.string) {
return val.string;
}
return (0, utils_1.encodeKeyHash)(val.bytes);
}
/**
* @throws {@link KeyHashValidationError}
*/
validate(value) {
if ((0, utils_1.validateKeyHash)(value) !== utils_1.ValidationResult.VALID) {
throw new KeyHashValidationError(value, this, `KeyHash is not valid: ${JSON.stringify(value)}`);
}
}
/**
* @throws {@link KeyHashValidationError}
*/
Encode(args) {
const val = args.pop();
this.validate(val);
return { string: val };
}
/**
* @throws {@link KeyHashValidationError}
*/
EncodeObject(val, semantic) {
this.validate(val);
if (semantic && semantic[KeyHashToken.prim]) {
return semantic[KeyHashToken.prim](val);
}
return { string: val };
}
generateSchema() {
return {
__michelsonType: KeyHashToken.prim,
schema: KeyHashToken.prim,
};
}
ToKey({ string, bytes }) {
if (string) {
return string;
}
return (0, utils_1.encodeKeyHash)(bytes);
}
ToBigMapKey(val) {
return {
key: { string: val },
type: { prim: KeyHashToken.prim },
};
}
compare(pkh1, pkh2) {
// binary type tag actually reflects the expected prefix order
const h1 = (0, utils_1.b58DecodePublicKeyHash)(pkh1, 'array');
const h2 = (0, utils_1.b58DecodePublicKeyHash)(pkh2, 'array');
return (0, utils_1.compareArrays)(h1, h2);
}
findAndReturnTokens(tokenToFind, tokens) {
if (KeyHashToken.prim === tokenToFind) {
tokens.push(this);
}
return tokens;
}
}
exports.KeyHashToken = KeyHashToken;
KeyHashToken.prim = 'key_hash';