@polkadot/types/interfaces/pow/runtime.js

Implementation of the Parity codec

export const runtime = {
    DifficultyApi: [
        {
            methods: {
                difficulty: {
                    description: 'Return the target difficulty of the next block.',
                    params: [],
                    // This is Difficulty in the original, however this is chain-specific
                    type: 'Raw'
                }
            },
            version: 1
        }
    ],
    TimestampApi: [
        {
            methods: {
                timestamp: {
                    description: 'API necessary for timestamp-based difficulty adjustment algorithms.',
                    params: [],
                    type: 'Moment'
                }
            },
            version: 1
        }
    ]
};