@chainsafe/eth2.0-ssz-types/lib/generators/misc.js

SSZ types required for eth2.0

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.MerkleTree = exports.FFGData = exports.BeaconBlockHeader = exports.CompactCommittee = exports.DepositData = exports.HistoricalBatch = exports.Eth1Data = exports.PendingAttestation = exports.IndexedAttestation = exports.AttestationDataAndCustodyBit = exports.AttestationData = exports.Crosslink = exports.Validator = exports.Checkpoint = exports.Fork = void 0;

var _constants = require("../constants");

/**
 * @module sszTypes/generators
 */
const Fork = ssz => ({
  fields: [["previousVersion", ssz.Version], ["currentVersion", ssz.Version], ["epoch", ssz.Epoch]]
});

exports.Fork = Fork;

const Checkpoint = ssz => ({
  fields: [["epoch", ssz.Epoch], ["root", ssz.Hash]]
});

exports.Checkpoint = Checkpoint;

const Validator = ssz => ({
  fields: [["pubkey", ssz.BLSPubkey], ["withdrawalCredentials", ssz.Hash], ["effectiveBalance", ssz.Gwei], ["slashed", ssz.bool], ["activationEligibilityEpoch", ssz.Epoch], ["activationEpoch", ssz.Epoch], ["exitEpoch", ssz.Epoch], ["withdrawableEpoch", ssz.Epoch]]
});

exports.Validator = Validator;

const Crosslink = ssz => ({
  fields: [["shard", ssz.Shard], ["parentRoot", ssz.Hash], ["startEpoch", ssz.Epoch], ["endEpoch", ssz.Epoch], ["dataRoot", ssz.Hash]]
});

exports.Crosslink = Crosslink;

const AttestationData = ssz => ({
  fields: [["beaconBlockRoot", ssz.Hash], ["source", ssz.Checkpoint], ["target", ssz.Checkpoint], ["crosslink", ssz.Crosslink]]
});

exports.AttestationData = AttestationData;

const AttestationDataAndCustodyBit = ssz => ({
  fields: [["data", ssz.AttestationData], ["custodyBit", ssz.bool]]
});

exports.AttestationDataAndCustodyBit = AttestationDataAndCustodyBit;

const IndexedAttestation = (ssz, params) => ({
  fields: [["custodyBit0Indices", {
    elementType: ssz.ValidatorIndex,
    maxLength: params.MAX_VALIDATORS_PER_COMMITTEE
  }], ["custodyBit1Indices", {
    elementType: ssz.ValidatorIndex,
    maxLength: params.MAX_VALIDATORS_PER_COMMITTEE
  }], ["data", ssz.AttestationData], ["signature", ssz.BLSSignature]]
});

exports.IndexedAttestation = IndexedAttestation;

const PendingAttestation = (ssz, params) => ({
  fields: [["aggregationBits", {
    elementType: ssz.bool,
    maxLength: params.MAX_VALIDATORS_PER_COMMITTEE
  }], ["data", ssz.AttestationData], ["inclusionDelay", ssz.Slot], ["proposerIndex", ssz.ValidatorIndex]]
});

exports.PendingAttestation = PendingAttestation;

const Eth1Data = ssz => ({
  fields: [["depositRoot", ssz.Hash], ["depositCount", ssz.number64], ["blockHash", ssz.Hash]]
});

exports.Eth1Data = Eth1Data;

const HistoricalBatch = (ssz, params) => ({
  fields: [["blockRoots", {
    elementType: ssz.bytes32,
    length: params.SLOTS_PER_HISTORICAL_ROOT
  }], ["stateRoots", {
    elementType: ssz.bytes32,
    length: params.SLOTS_PER_HISTORICAL_ROOT
  }]]
});

exports.HistoricalBatch = HistoricalBatch;

const DepositData = ssz => ({
  fields: [["pubkey", ssz.BLSPubkey], ["withdrawalCredentials", ssz.Hash], ["amount", ssz.Gwei], ["signature", ssz.BLSSignature]]
});

exports.DepositData = DepositData;

const CompactCommittee = (ssz, params) => ({
  fields: [["pubkeys", {
    elementType: ssz.BLSPubkey,
    maxLength: params.MAX_VALIDATORS_PER_COMMITTEE
  }], ["compactValidators", {
    elementType: ssz.uint64,
    maxLength: params.MAX_VALIDATORS_PER_COMMITTEE
  }]]
});

exports.CompactCommittee = CompactCommittee;

const BeaconBlockHeader = ssz => ({
  fields: [["slot", ssz.Slot], ["parentRoot", ssz.Hash], ["stateRoot", ssz.Hash], ["bodyRoot", ssz.Hash], ["signature", ssz.BLSSignature]]
});

exports.BeaconBlockHeader = BeaconBlockHeader;

const FFGData = ssz => ({
  fields: [["source", ssz.Checkpoint], ["target", ssz.Checkpoint]]
});

exports.FFGData = FFGData;

const MerkleTree = ssz => ({
  fields: [["depth", ssz.number64], ["tree", {
    elementType: {
      elementType: ssz.Hash,
      maxLength: _constants.DEPOSIT_CONTRACT_TREE_DEPTH
    },
    maxLength: _constants.DEPOSIT_CONTRACT_TREE_DEPTH
  }]]
});

exports.MerkleTree = MerkleTree;
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