@aeternity/aepp-sdk/es/tx/builder/field-types/map.js

SDK for the æternity blockchain

import { EntryTag } from '../entry/constants.js';
import { encode, Encoding, decode } from '../../../utils/encoder.js';
export default function genMapField(encoding, tag) {
  return {
    serialize(object, {
      packEntry
    }) {
      return decode(packEntry({
        tag: EntryTag.Mtree,
        values: Object.entries(object).map(([key, value]) => ({
          tag: EntryTag.MtreeValue,
          key: decode(key),
          value: decode(packEntry({
            ...value,
            tag
          }))
        }))
      }));
    },
    deserialize(buffer, {
      unpackEntry
    }) {
      const {
        values
      } = unpackEntry(encode(buffer, Encoding.Bytearray), EntryTag.Mtree);
      return Object.fromEntries(values
      // TODO: remove after resolving https://github.com/aeternity/aeternity/issues/4066
      .filter(({
        key
      }) => encoding !== Encoding.ContractAddress || key.length === 32).map(({
        key,
        value
      }) => [encode(key, encoding), unpackEntry(encode(value, Encoding.Bytearray), tag)]));
    },
    recursiveType: true
  };
}
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