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import * as Queries from './queries';
import { BlockModel, BlockOutputModel, TipModel, TxModel } from './types';
import {
BlocksByIdsArgs,
Cardano,
ChainHistoryProvider,
Paginated,
ProviderError,
ProviderFailure,
TransactionsByAddressesArgs,
TransactionsByIdsArgs
} from '@cardano-sdk/core';
import { ChainHistoryBuilder } from './ChainHistoryBuilder';
import { DB_MAX_SAFE_INTEGER } from './queries';
import { DbSyncProvider, DbSyncProviderDependencies } from '../../util/DbSyncProvider';
import { QueryResult } from 'pg';
import { TxMetadataService } from '../../Metadata';
import { hexStringToBuffer } from '@cardano-sdk/util';
import { mapBlock, mapTxAlonzo, mapTxIn, mapTxOut } from './mappers';
import orderBy from 'lodash/orderBy.js';
/** Properties that are need to create DbSyncChainHistoryProvider */
export interface ChainHistoryProviderProps {
/** Pagination page size limit used for provider methods constraint. */
paginationPageSizeLimit: number;
}
/** Dependencies that are need to create DbSyncChainHistoryProvider */
export interface ChainHistoryProviderDependencies extends DbSyncProviderDependencies {
/** The TxMetadataService to retrieve transactions metadata by hashes. */
metadataService: TxMetadataService;
}
export class DbSyncChainHistoryProvider extends DbSyncProvider() implements ChainHistoryProvider {
#paginationPageSizeLimit: number;
#builder: ChainHistoryBuilder;
#metadataService: TxMetadataService;
constructor(
{ paginationPageSizeLimit }: ChainHistoryProviderProps,
{ cache, dbPools, cardanoNode, metadataService, logger }: ChainHistoryProviderDependencies
) {
super({ cache, cardanoNode, dbPools, logger });
this.#builder = new ChainHistoryBuilder(dbPools.main, logger);
this.#metadataService = metadataService;
this.#paginationPageSizeLimit = paginationPageSizeLimit;
}
public async transactionsByAddresses({
addresses,
pagination,
blockRange
}: TransactionsByAddressesArgs): Promise<Paginated<Cardano.HydratedTx>> {
if (addresses.length > this.#paginationPageSizeLimit) {
throw new ProviderError(
ProviderFailure.BadRequest,
undefined,
`Addresses count of ${addresses.length} can not be greater than ${this.#paginationPageSizeLimit}`
);
}
Iif (pagination.limit > this.#paginationPageSizeLimit) {
throw new ProviderError(
ProviderFailure.BadRequest,
undefined,
`Page size of ${pagination.limit} can not be greater than ${this.#paginationPageSizeLimit}`
);
}
const lowerBound = blockRange?.lowerBound ?? 0;
const upperBound = blockRange?.upperBound ?? DB_MAX_SAFE_INTEGER;
this.logger.debug(
`About to find transactions of addresses ${addresses} ${
blockRange?.lowerBound ? `since block ${lowerBound}` : ''
} ${blockRange?.upperBound ? `and before ${upperBound}` : ''}`
);
const allIds = await this.#builder.queryTxIdsByAddresses(addresses, blockRange);
const totalResultCount = allIds.length;
const ids = allIds.splice(pagination.startAt, pagination.limit);
return { pageResults: totalResultCount ? await this.transactionsByIds(ids) : [], totalResultCount };
}
public async transactionsByHashes({ ids }: TransactionsByIdsArgs): Promise<Cardano.HydratedTx[]> {
if (ids.length > this.#paginationPageSizeLimit) {
throw new ProviderError(
ProviderFailure.BadRequest,
undefined,
`Transaction ids count of ${ids.length} can not be greater than ${this.#paginationPageSizeLimit}`
);
}
// Conversion tx.hash -> tx.id
const txRecordIds = await this.#builder.queryTxRecordIdsByTxHashes(ids);
return this.transactionsByIds(txRecordIds);
}
private async transactionsByIds(ids: string[]): Promise<Cardano.HydratedTx[]> {
this.logger.debug('About to find transactions with ids:', ids);
const txResults: QueryResult<TxModel> = await this.dbPools.main.query({
name: 'transactions_by_ids',
text: Queries.findTransactionsByIds,
values: [ids]
});
if (txResults.rows.length === 0) return [];
const [
inputs,
outputs,
mints,
withdrawals,
redeemers,
metadata,
collaterals,
certificates,
collateralOutputs,
votingProcedures,
proposalProcedures
] = await Promise.all([
this.#builder.queryTransactionInputsByIds(ids),
this.#builder.queryTransactionOutputsByIds(ids),
this.#builder.queryTxMintByIds(ids),
this.#builder.queryWithdrawalsByTxIds(ids),
this.#builder.queryRedeemersByIds(ids),
// Missing witness datums
this.#metadataService.queryTxMetadataByRecordIds(ids),
this.#builder.queryTransactionInputsByIds(ids, true),
this.#builder.queryCertificatesByIds(ids),
this.#builder.queryTransactionOutputsByIds(ids, true),
this.#builder.queryVotingProceduresByIds(ids),
this.#builder.queryProposalProceduresByIds(ids)
]);
return txResults.rows.map((tx) => {
const txId = tx.id.toString('hex') as unknown as Cardano.TransactionId;
const txInputs = inputs.filter((input) => input.txInputId === txId).map(mapTxIn);
const txCollaterals = collaterals.filter((col) => col.txInputId === txId).map(mapTxIn);
const txOutputs = orderBy(outputs.filter((output) => output.txId === txId).map(mapTxOut), ['index']);
const txCollateralOutputs = collateralOutputs.filter((output) => output.txId === txId).map(mapTxOut);
const inputSource: Cardano.InputSource = tx.valid_contract
? Cardano.InputSource.inputs
: Cardano.InputSource.collaterals;
return mapTxAlonzo(tx, {
certificates: certificates.get(txId),
collateralOutputs: txCollateralOutputs,
collaterals: txCollaterals,
inputSource,
inputs: txInputs,
metadata: metadata.get(txId),
mint: mints.get(txId),
outputs: txOutputs,
proposalProcedures: proposalProcedures.get(txId),
redeemers: redeemers.get(txId),
votingProcedures: votingProcedures.get(txId),
withdrawals: withdrawals.get(txId)
});
});
}
public async blocksByHashes({ ids }: BlocksByIdsArgs): Promise<Cardano.ExtendedBlockInfo[]> {
if (ids.length > this.#paginationPageSizeLimit) {
throw new ProviderError(
ProviderFailure.BadRequest,
undefined,
`Block ids count of ${ids.length} can not be greater than ${this.#paginationPageSizeLimit}`
);
}
this.logger.debug('About to find network tip');
const tipResult: QueryResult<TipModel> = await this.dbPools.main.query(Queries.findTip);
const tip: TipModel = tipResult.rows[0];
Iif (!tip) return [];
const byteIds = ids.map((id) => hexStringToBuffer(id));
this.logger.debug('About to find blocks with hashes:', byteIds);
const blocksResult: QueryResult<BlockModel> = await this.dbPools.main.query(Queries.findBlocksByHashes, [byteIds]);
if (blocksResult.rows.length === 0) return [];
this.logger.debug('About to find blocks outputs and fees for blocks:', byteIds);
const outputResult: QueryResult<BlockOutputModel> = await this.dbPools.main.query(
Queries.findBlocksOutputByHashes,
[byteIds]
);
return blocksResult.rows.map((block) => {
const blockOutput = outputResult.rows.find((output) => output.hash === block.hash) ?? {
fees: '0',
hash: block.hash,
output: '0'
};
return mapBlock(block, blockOutput, tip);
});
}
}
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