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fix: avoid use queryInfo rpc call #1169

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merged 4 commits into from
Dec 20, 2022
Merged

fix: avoid use queryInfo rpc call #1169

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92ee496
avoid use queryInfo rpc call
xlc Dec 20, 2022
cb1bd91
fallback to rpc call
xlc Dec 20, 2022
367219b
minor improvement
xlc Dec 20, 2022
2175bc2
update fetchQueryFeeDetails
xlc Dec 20, 2022
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28 changes: 24 additions & 4 deletions src/services/blocks/BlocksService.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,7 @@ import { ApiPromise } from '@polkadot/api';
import { ApiDecoration } from '@polkadot/api/types';
import { extractAuthor } from '@polkadot/api-derive/type/util';
import { Compact, GenericCall, Option, Struct, Vec } from '@polkadot/types';
import { GenericExtrinsic } from '@polkadot/types/extrinsic';
import {
AccountId32,
Block,
Expand All @@ -27,6 +28,7 @@ import {
EventRecord,
Header,
InclusionFee,
RuntimeDispatchInfo,
Weight,
} from '@polkadot/types/interfaces';
import { AnyJson, Codec, Registry } from '@polkadot/types/types';
Expand Down Expand Up @@ -260,10 +262,7 @@ export class BlocksService extends AbstractService {
class: dispatchClass,
partialFee,
weight,
} = await api.rpc.payment.queryInfo(
block.extrinsics[idx].toHex(),
previousBlockHash
);
} = await this.fetchQueryInfo(block.extrinsics[idx], previousBlockHash);

const transactionPaidFeeEvent = xtEvents.find(
({ method }) =>
Expand Down Expand Up @@ -368,6 +367,27 @@ export class BlocksService extends AbstractService {
return finalPartialFee;
}

/**
* Fetch `payment_queryInfo`.
*
* @param ext
* @param previousBlockHash
*/
private async fetchQueryInfo(
ext: GenericExtrinsic,
previousBlockHash: BlockHash
): Promise<RuntimeDispatchInfo> {
const { api } = this;
const apiAt = await api.at(previousBlockHash);
if (apiAt.call.transactionPaymentApi.queryInfo) {
const u8a = ext.toU8a();
return apiAt.call.transactionPaymentApi.queryInfo(u8a, u8a.length);
} else {
// fallback to rpc call
return api.rpc.payment.queryInfo(ext.toHex(), previousBlockHash);
}
}

/**
* Retrieve the blockHash for the previous block to the one getting queried.
* If the block is the geneisis hash it will return the same blockHash.
Expand Down