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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 | 50x 50x 50x 50x 50x 13x 13x 13x 13x | import { GenesisData } from '../types';
import { ProviderError, ProviderFailure } from '@cardano-sdk/core';
import JSONbig from 'json-bigint';
import fs from 'fs';
import path from 'path';
export const loadGenesisData = async (cardanoNodeConfigPath: string): Promise<GenesisData> => {
try {
const genesisFilePath = require(path.resolve(cardanoNodeConfigPath)).ShelleyGenesisFile;
const genesis = JSONbig({ useNativeBigInt: true }).parse(
fs.readFileSync(path.resolve(path.dirname(cardanoNodeConfigPath), genesisFilePath), 'utf-8')
);
return {
activeSlotsCoefficient: genesis.activeSlotsCoeff,
epochLength: genesis.epochLength,
maxKesEvolutions: genesis.maxKESEvolutions,
maxLovelaceSupply: genesis.maxLovelaceSupply,
networkId: genesis.networkId,
networkMagic: genesis.networkMagic,
securityParameter: genesis.securityParam,
slotLength: genesis.slotLength,
slotsPerKesPeriod: genesis.slotsPerKESPeriod,
systemStart: genesis.systemStart,
updateQuorum: genesis.updateQuorum
};
} catch (error) {
throw new ProviderError(ProviderFailure.Unhealthy, error);
}
};
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