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

Implementation of the Parity codec

const V1_TO_V4_SHARED_PAY = {
    query_fee_details: {
        description: 'The transaction fee details',
        params: [
            {
                name: 'uxt',
                type: 'Extrinsic'
            },
            {
                name: 'len',
                type: 'u32'
            }
        ],
        type: 'FeeDetails'
    }
};
const V1_TO_V3_SHARED_CALL = {
    query_call_fee_details: {
        description: 'The call fee details',
        params: [
            {
                name: 'call',
                type: 'Call'
            },
            {
                name: 'len',
                type: 'u32'
            }
        ],
        type: 'FeeDetails'
    }
};
const V2_TO_V4_SHARED_PAY = {
    query_info: {
        description: 'The transaction info',
        params: [
            {
                name: 'uxt',
                type: 'Extrinsic'
            },
            {
                name: 'len',
                type: 'u32'
            }
        ],
        type: 'RuntimeDispatchInfo'
    }
};
const V2_V3_SHARED_CALL = {
    query_call_info: {
        description: 'The call info',
        params: [
            {
                name: 'call',
                type: 'Call'
            },
            {
                name: 'len',
                type: 'u32'
            }
        ],
        type: 'RuntimeDispatchInfo'
    }
};
const V3_SHARED_PAY_CALL = {
    query_length_to_fee: {
        description: 'Query the output of the current LengthToFee given some input',
        params: [
            {
                name: 'length',
                type: 'u32'
            }
        ],
        type: 'Balance'
    },
    query_weight_to_fee: {
        description: 'Query the output of the current WeightToFee given some input',
        params: [
            {
                name: 'weight',
                type: 'Weight'
            }
        ],
        type: 'Balance'
    }
};
export const runtime = {
    TransactionPaymentApi: [
        {
            // V4 is equivalent to V3 (V4 just dropped all V1 references)
            methods: {
                ...V3_SHARED_PAY_CALL,
                ...V2_TO_V4_SHARED_PAY,
                ...V1_TO_V4_SHARED_PAY
            },
            version: 4
        },
        {
            methods: {
                ...V3_SHARED_PAY_CALL,
                ...V2_TO_V4_SHARED_PAY,
                ...V1_TO_V4_SHARED_PAY
            },
            version: 3
        },
        {
            methods: {
                ...V2_TO_V4_SHARED_PAY,
                ...V1_TO_V4_SHARED_PAY
            },
            version: 2
        },
        {
            methods: {
                query_info: {
                    description: 'The transaction info',
                    params: [
                        {
                            name: 'uxt',
                            type: 'Extrinsic'
                        },
                        {
                            name: 'len',
                            type: 'u32'
                        }
                    ],
                    // NOTE: _Should_ be V1 (as per current Substrate), however the interface was
                    // changed mid-flight between versions. So we have some of each depending on
                    // runtime. (We do detect the weight type, so correct)
                    type: 'RuntimeDispatchInfo'
                },
                ...V1_TO_V4_SHARED_PAY
            },
            version: 1
        }
    ],
    TransactionPaymentCallApi: [
        {
            methods: {
                ...V3_SHARED_PAY_CALL,
                ...V2_V3_SHARED_CALL,
                ...V1_TO_V3_SHARED_CALL
            },
            version: 3
        },
        {
            methods: {
                ...V2_V3_SHARED_CALL,
                ...V1_TO_V3_SHARED_CALL
            },
            version: 2
        },
        {
            methods: {
                CALL: {
                    description: 'The call info',
                    params: [
                        {
                            name: 'call',
                            type: 'Call'
                        },
                        {
                            name: 'len',
                            type: 'u32'
                        }
                    ],
                    // NOTE: As per the above comment, the below is correct according to Substrate, but
                    // _may_ yield fallback decoding on some versions of the runtime
                    type: 'RuntimeDispatchInfo'
                },
                ...V1_TO_V3_SHARED_CALL
            },
            version: 1
        }
    ]
};