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entityIndexerState.ts
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entityIndexerState.ts
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import { EntityStorage } from '@aleph-indexer/core'
import { IndexableEntityType } from '../../../../types.js'
export enum EntityIndexerStateCode {
Pending = 0,
Ready = 1,
Processed = 2,
}
export type EntityIndexerState = {
account: string
startDate: number
endDate: number
} & (
| {
state: EntityIndexerStateCode.Processed
requestNonce?: number
}
| {
state: EntityIndexerStateCode.Pending | EntityIndexerStateCode.Ready
requestNonce: number
}
)
export type EntityIndexerStateStorage = EntityStorage<EntityIndexerState>
export enum EntityIndexerStateDALIndex {
RequestState = 'request_state',
AccountState = 'account_state',
}
const accountKey = {
get: (e: EntityIndexerState) => e.account,
length: EntityStorage.AddressLength,
}
const startDateKey = {
get: (e: EntityIndexerState) => e.startDate,
length: EntityStorage.TimestampLength,
}
const endDateKey = {
get: (e: EntityIndexerState) => e.endDate,
length: EntityStorage.TimestampLength,
}
const stateKey = {
get: (e: EntityIndexerState) => e.state || EntityIndexerStateCode.Pending,
length: 1,
}
const requestKey = {
get: (e: EntityIndexerState) => e.requestNonce,
length: EntityStorage.TimestampLength,
}
export function createEntityIndexerStateDAL(
path: string,
type: IndexableEntityType,
): EntityIndexerStateStorage {
return new EntityStorage<EntityIndexerState>({
name: `${type}_indexer_state`,
path,
key: [accountKey, startDateKey, endDateKey],
indexes: [
{
name: EntityIndexerStateDALIndex.RequestState,
key: [requestKey, stateKey],
},
{
name: EntityIndexerStateDALIndex.AccountState,
key: [accountKey, stateKey],
},
],
})
}