ethers.js/lib.commonjs/abi/coders/tuple.js
2022-11-30 15:44:23 -05:00

67 lines
2.1 KiB
JavaScript

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.TupleCoder = void 0;
const properties_js_1 = require("../../utils/properties.js");
const typed_js_1 = require("../typed.js");
const abstract_coder_js_1 = require("./abstract-coder.js");
const array_js_1 = require("./array.js");
/**
* @_ignore
*/
class TupleCoder extends abstract_coder_js_1.Coder {
coders;
constructor(coders, localName) {
let dynamic = false;
const types = [];
coders.forEach((coder) => {
if (coder.dynamic) {
dynamic = true;
}
types.push(coder.type);
});
const type = ("tuple(" + types.join(",") + ")");
super("tuple", type, localName, dynamic);
(0, properties_js_1.defineProperties)(this, { coders: Object.freeze(coders.slice()) });
}
defaultValue() {
const values = [];
this.coders.forEach((coder) => {
values.push(coder.defaultValue());
});
// We only output named properties for uniquely named coders
const uniqueNames = this.coders.reduce((accum, coder) => {
const name = coder.localName;
if (name) {
if (!accum[name]) {
accum[name] = 0;
}
accum[name]++;
}
return accum;
}, {});
// Add named values
this.coders.forEach((coder, index) => {
let name = coder.localName;
if (!name || uniqueNames[name] !== 1) {
return;
}
if (name === "length") {
name = "_length";
}
if (values[name] != null) {
return;
}
values[name] = values[index];
});
return Object.freeze(values);
}
encode(writer, _value) {
const value = typed_js_1.Typed.dereference(_value, "tuple");
return (0, array_js_1.pack)(writer, this.coders, value);
}
decode(reader) {
return (0, array_js_1.unpack)(reader, this.coders);
}
}
exports.TupleCoder = TupleCoder;
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