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AddressEntity,
AssetEntity,
BlockDataEntity,
BlockEntity,
CurrentPoolMetricsEntity,
DataSourceExtensions,
GovernanceActionEntity,
HandleEntity,
HandleMetadataEntity,
NftMetadataEntity,
OutputEntity,
PoolDelistedEntity,
PoolMetadataEntity,
PoolRegistrationEntity,
PoolRetirementEntity,
PoolRewardsEntity,
StakeKeyRegistrationEntity,
StakePoolEntity,
TokensEntity,
createStorePoolMetricsUpdateJob,
createStoreStakePoolMetadataJob,
storeAddresses,
storeAssets,
storeBlock,
storeGovernanceAction,
storeHandleMetadata,
storeHandles,
storeNftMetadata,
storeStakeKeyRegistrations,
storeStakePoolRewardsJob,
storeStakePools,
storeUtxo,
willStoreAddresses,
willStoreAssets,
willStoreBlockData,
willStoreGovernanceAction,
willStoreHandleMetadata,
willStoreHandles,
willStoreNftMetadata,
willStoreStakeKeyRegistrations,
willStoreStakePoolMetadataJob,
willStoreStakePoolRewardsJob,
willStoreStakePools,
willStoreUtxo
} from '@cardano-sdk/projection-typeorm';
import { Cardano } from '@cardano-sdk/core';
import { ChainSyncEventType, Mappers as Mapper, ProjectionEvent } from '@cardano-sdk/projection';
import { ObservableType, passthrough } from '@cardano-sdk/util-rxjs';
import { POOLS_METRICS_INTERVAL_DEFAULT, POOLS_METRICS_OUTDATED_INTERVAL_DEFAULT } from '../Program/programs/types';
import { Sorter } from '@hapi/topo';
import { WithLogger, isNotNil } from '@cardano-sdk/util';
/** Used as mount segments, so must be URL-friendly */
export enum ProjectionName {
Address = 'address',
Asset = 'asset',
Handle = 'handle',
ProtocolParameters = 'protocol-parameters',
StakePool = 'stake-pool',
StakePoolMetadataJob = 'stake-pool-metadata-job',
StakePoolMetricsJob = 'stake-pool-metrics-job',
StakePoolRewardsJob = 'stake-pool-rewards-job',
UTXO = 'utxo'
}
export interface ProjectionOptions {
handlePolicyIds?: Cardano.PolicyId[];
}
const requiredExtensions = (projectionNames: ProjectionName[]): DataSourceExtensions => ({
pgBoss: projectionNames.includes(ProjectionName.StakePoolMetadataJob)
});
const createMapperOperators = (
projectionNames: ProjectionName[],
{ handlePolicyIds }: ProjectionOptions,
{ logger }: WithLogger
) => {
const applyUtxoAndMintFilters = handlePolicyIds && !projectionNames.includes(ProjectionName.UTXO);
const filterUtxo = applyUtxoAndMintFilters
? Mapper.filterProducedUtxoByAssetPolicyId({ policyIds: handlePolicyIds })
: passthrough();
const filterProducedUtxoByAssetsPresence =
projectionNames.includes(ProjectionName.Asset) && !projectionNames.includes(ProjectionName.UTXO)
? Mapper.filterProducedUtxoByAssetsPresence()
: passthrough();
const filterMint = applyUtxoAndMintFilters
? Mapper.filterMintByPolicyIds({ policyIds: handlePolicyIds })
: passthrough();
const withHandles = handlePolicyIds ? Mapper.withHandles({ policyIds: handlePolicyIds }, logger) : passthrough();
const withHandleMetadata = handlePolicyIds
? Mapper.withHandleMetadata({ policyIds: handlePolicyIds }, logger)
: passthrough();
return {
filterMint,
filterProducedUtxoByAssetsPresence,
filterUtxo,
withAddresses: Mapper.withAddresses(),
withCIP67: Mapper.withCIP67(),
withCertificates: Mapper.withCertificates(),
withGovernanceActions: Mapper.withGovernanceActions(),
withHandleMetadata,
withHandles,
withMint: Mapper.withMint(),
withNftMetadata: Mapper.withNftMetadata({ logger }),
withStakeKeyRegistrations: Mapper.withStakeKeyRegistrations(),
withStakePools: Mapper.withStakePools(),
withUtxo: Mapper.withUtxo()
};
};
type MapperOperators = ReturnType<typeof createMapperOperators>;
type MapperName = keyof MapperOperators;
type MapperOperator = MapperOperators[MapperName];
export const storeOperators = {
storeAddresses: storeAddresses(),
storeAssets: storeAssets(),
storeBlock: storeBlock(),
storeGovernanceAction: storeGovernanceAction(),
storeHandleMetadata: storeHandleMetadata(),
storeHandles: storeHandles(),
storeNftMetadata: storeNftMetadata(),
storePoolMetricsUpdateJob: createStorePoolMetricsUpdateJob(
POOLS_METRICS_INTERVAL_DEFAULT,
POOLS_METRICS_OUTDATED_INTERVAL_DEFAULT
)(),
storeStakeKeyRegistrations: storeStakeKeyRegistrations(),
storeStakePoolMetadataJob: createStoreStakePoolMetadataJob()(),
storeStakePoolRewardsJob: storeStakePoolRewardsJob(),
storeStakePools: storeStakePools(),
storeUtxo: storeUtxo()
};
type StoreOperators = typeof storeOperators;
type StoreName = keyof StoreOperators;
type StoreOperator = StoreOperators[StoreName];
// eslint-disable-next-line @typescript-eslint/no-explicit-any
type InferArg0<F extends Function> = F extends (arg0: infer Args) => any ? Args : never;
type WillStore = {
[k in keyof StoreOperators]: (args: ObservableType<InferArg0<StoreOperators[k]>>) => boolean;
};
const willStore: Partial<WillStore> = {
storeAddresses: willStoreAddresses,
storeAssets: willStoreAssets,
storeGovernanceAction: willStoreGovernanceAction,
storeHandleMetadata: willStoreHandleMetadata,
storeHandles: willStoreHandles,
storeNftMetadata: willStoreNftMetadata,
storeStakeKeyRegistrations: willStoreStakeKeyRegistrations,
storeStakePoolMetadataJob: willStoreStakePoolMetadataJob,
storeStakePoolRewardsJob: willStoreStakePoolRewardsJob,
storeStakePools: willStoreStakePools,
storeUtxo: willStoreUtxo
};
const entities = {
address: AddressEntity,
asset: AssetEntity,
block: BlockEntity,
blockData: BlockDataEntity,
currentPoolMetrics: CurrentPoolMetricsEntity,
governanceAction: GovernanceActionEntity,
handle: HandleEntity,
handleMetadata: HandleMetadataEntity,
nftMetadata: NftMetadataEntity,
output: OutputEntity,
poolDelisted: PoolDelistedEntity,
poolMetadata: PoolMetadataEntity,
poolRegistration: PoolRegistrationEntity,
poolRetirement: PoolRetirementEntity,
poolRewards: PoolRewardsEntity,
stakeKeyRegistration: StakeKeyRegistrationEntity,
stakePool: StakePoolEntity,
tokens: TokensEntity
};
export const allEntities = Object.values(entities);
type Entities = typeof entities;
type EntityName = keyof Entities;
type Entity = Entities[EntityName];
const storeEntities: Partial<Record<StoreName, EntityName[]>> = {
storeAddresses: ['address'],
storeAssets: ['asset'],
storeBlock: ['block', 'blockData'],
storeGovernanceAction: ['governanceAction'],
storeHandleMetadata: ['handleMetadata', 'output'],
storeHandles: ['handle', 'asset', 'tokens', 'output'],
storeNftMetadata: ['asset'],
storePoolMetricsUpdateJob: ['stakePool', 'currentPoolMetrics', 'poolMetadata'],
storeStakeKeyRegistrations: ['block', 'stakeKeyRegistration'],
// 'stake-pool' projection requires it, but `storeStakePools` does not.
// at the time of writing there was no way to specify a direct projection->entity dependency.
storeStakePoolMetadataJob: ['stakePool', 'currentPoolMetrics', 'poolMetadata'],
storeStakePoolRewardsJob: ['poolRewards', 'stakePool'],
storeStakePools: ['stakePool', 'currentPoolMetrics', 'poolMetadata', 'poolDelisted'],
storeUtxo: ['tokens', 'output']
};
const entityInterDependencies: Partial<Record<EntityName, EntityName[]>> = {
address: ['stakeKeyRegistration'],
asset: ['block', 'nftMetadata'],
blockData: ['block'],
currentPoolMetrics: ['stakePool'],
governanceAction: ['block'],
handle: ['asset'],
handleMetadata: ['output'],
output: ['block', 'tokens'],
poolDelisted: ['stakePool'],
poolMetadata: ['stakePool'],
poolRegistration: ['block'],
poolRetirement: ['block'],
stakeKeyRegistration: ['block'],
stakePool: ['block', 'poolRegistration', 'poolRetirement'],
tokens: ['asset']
};
export const getEntities = (entityNames: EntityName[]): Entity[] => {
const resolvedNames: EntityName[] = [];
const resultEntities: Entity[] = [];
const scanDependencies = (names: EntityName[] | undefined) => {
if (!names) return;
for (const name of names)
if (!resolvedNames.includes(name)) {
resolvedNames.push(name);
resultEntities.push(entities[name]);
scanDependencies(entityInterDependencies[name]);
}
};
scanDependencies(entityNames);
return resultEntities;
};
const mapperInterDependencies: Partial<Record<MapperName, MapperName[]>> = {
filterMint: ['withMint'],
filterUtxo: ['withUtxo'],
withAddresses: ['withUtxo', 'filterUtxo'],
withCIP67: ['withUtxo', 'filterUtxo', 'withMint', 'filterMint'],
withHandleMetadata: ['withNftMetadata', 'withCIP67'],
withHandles: ['withMint', 'filterMint', 'withUtxo', 'filterUtxo', 'withCIP67'],
withNftMetadata: ['withCIP67', 'withMint', 'filterMint'],
withStakeKeyRegistrations: ['withCertificates'],
withStakePools: ['withCertificates']
};
const storeMapperDependencies: Partial<Record<StoreName, MapperName[]>> = {
storeAddresses: ['withAddresses'],
storeAssets: ['withMint'],
storeGovernanceAction: ['withGovernanceActions'],
storeHandleMetadata: ['withHandleMetadata'],
storeHandles: ['withHandles'],
storeNftMetadata: ['withNftMetadata'],
storeStakeKeyRegistrations: ['withStakeKeyRegistrations'],
storeStakePoolMetadataJob: ['withStakePools'],
storeStakePools: ['withStakePools'],
storeUtxo: ['withUtxo']
};
const storeInterDependencies: Partial<Record<StoreName, StoreName[]>> = {
storeAddresses: ['storeBlock', 'storeStakeKeyRegistrations'],
storeAssets: ['storeBlock'],
storeGovernanceAction: ['storeBlock'],
storeHandleMetadata: ['storeUtxo'],
storeHandles: ['storeUtxo', 'storeAddresses', 'storeHandleMetadata'],
storeNftMetadata: ['storeAssets'],
storePoolMetricsUpdateJob: ['storeBlock'],
storeStakePoolMetadataJob: ['storeBlock'],
storeStakePoolRewardsJob: ['storeBlock'],
storeStakePools: ['storeBlock'],
storeUtxo: ['storeBlock', 'storeAssets']
};
const projectionStoreDependencies: Record<ProjectionName, StoreName[]> = {
address: ['storeAddresses'],
asset: ['storeAssets', 'storeNftMetadata'],
// TODO: remove storeNftMetadata when TypeormAssetProvider tests
// are updated to use 'asset' database instead of a handle database
handle: ['storeHandles', 'storeHandleMetadata', 'storeNftMetadata'],
'protocol-parameters': ['storeGovernanceAction'],
'stake-pool': ['storeStakePools'],
'stake-pool-metadata-job': ['storeStakePoolMetadataJob'],
'stake-pool-metrics-job': ['storePoolMetricsUpdateJob'],
'stake-pool-rewards-job': ['storeStakePoolRewardsJob'],
utxo: ['storeUtxo']
};
const registerMapper = (
mapperOperators: MapperOperators,
mapperName: MapperName,
mapperSorter: Sorter<MapperOperator>
): void => {
const mapperOperator = mapperOperators[mapperName];
if (mapperSorter.nodes.includes(mapperOperator)) return;
const dependencyMappers = mapperInterDependencies[mapperName];
mapperSorter.add(mapperOperator, { after: dependencyMappers, group: mapperName });
if (dependencyMappers) {
for (const dependencyMapperName of dependencyMappers) {
registerMapper(mapperOperators, dependencyMapperName, mapperSorter);
}
}
};
const registerEntity = (entityName: EntityName, entitySorter: Sorter<Entity>): void => {
const entity = entities[entityName];
if (entitySorter.nodes.includes(entity)) return;
const dependencyEntities = entityInterDependencies[entityName];
entitySorter.add(entity, { after: dependencyEntities, group: entityName });
if (dependencyEntities) {
for (const dependencyEntityName of dependencyEntities) {
registerEntity(dependencyEntityName, entitySorter);
}
}
};
const registerStore = (
mapperOperators: MapperOperators,
storeName: StoreName,
mapperSorter: Sorter<MapperOperator>,
storeSorter: Sorter<StoreOperator>,
entitySorter: Sorter<Entity>
): void => {
const storeOperator = storeOperators[storeName];
if (storeSorter.nodes.includes(storeOperator)) return;
const dependencyStores = storeInterDependencies[storeName];
storeSorter.add(storeOperator, { after: dependencyStores, group: storeName });
if (dependencyStores) {
for (const dependencyStoreName of dependencyStores) {
registerStore(mapperOperators, dependencyStoreName, mapperSorter, storeSorter, entitySorter);
}
}
const mapperDependencies = storeMapperDependencies[storeName];
if (mapperDependencies) {
for (const mapperName of mapperDependencies) {
registerMapper(mapperOperators, mapperName, mapperSorter);
}
}
const entityDependencies = storeEntities[storeName];
if (entityDependencies) {
for (const entityName of entityDependencies) {
registerEntity(entityName, entitySorter);
}
}
};
const keyOf = <T extends {}>(obj: T, value: unknown): keyof T | null => {
for (const [key, keyValue] of Object.entries(obj)) {
if (value === keyValue) {
return key as keyof T;
}
}
return null;
};
export interface PrepareTypeormProjectionProps {
projections: ProjectionName[];
options?: ProjectionOptions;
}
/** Selects a required set of entities, mappers and store operators based on 'projections' and presence of 'buffer': */
export const prepareTypeormProjection = (
{ projections, options = {} }: PrepareTypeormProjectionProps,
dependencies: WithLogger
) => {
const mapperSorter = new Sorter<MapperOperator>();
const storeSorter = new Sorter<StoreOperator>();
const entitySorter = new Sorter<Entity>();
const mapperOperators = createMapperOperators(projections, options, dependencies);
for (const projection of projections) {
for (const storeName of projectionStoreDependencies[projection]) {
registerStore(mapperOperators, storeName, mapperSorter, storeSorter, entitySorter);
}
}
const selectedEntities = entitySorter.nodes;
const selectedMappers = mapperSorter.nodes;
const selectedStores = storeSorter.nodes;
const extensions = requiredExtensions(projections);
const willStoreCheckers = selectedStores
.map((store) => Object.entries(storeOperators).find(([_, operator]) => store === operator)!)
.map(([storeName]) => willStore[storeName as keyof StoreOperators])
.filter(isNotNil);
return {
__debug: {
entities: selectedEntities.map((Entity) => keyOf(entities, Entity)),
mappers: selectedMappers.map((mapper) => keyOf(mapperOperators, mapper)),
stores: selectedStores.map((store) => keyOf(storeOperators, store)),
willStoreCheckers: willStoreCheckers.map((checker) => checker.name)
},
entities: selectedEntities,
extensions,
mappers: selectedMappers,
stores: selectedStores,
willStore: <T extends ProjectionEvent>(evt: T) =>
evt.eventType === ChainSyncEventType.RollBackward ||
willStoreBlockData(evt) ||
// eslint-disable-next-line @typescript-eslint/no-explicit-any
willStoreCheckers.some((check) => check(evt as any))
};
};
export type PreparedProjection = ReturnType<typeof prepareTypeormProjection>;
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