Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 | 42x 42x 42x 42x 42x 42x 42x 42x 42x 42x 1x 1x 3x 42x 126x 490x 42x 250x 127x 42x 127x 132x 132x 132x 250x 250x 250x 128x 123x 123x 5x 5x 5x 132x 42x 492x 124x 488x 124x 124x 124x 124x 124x 121x 121x 121x 121x | import { Cardano, ChainHistoryProvider, EraSummary, SlotEpochCalc, createSlotEpochCalc } from '@cardano-sdk/core';
import { DelegationTracker, TransactionsTracker, UtxoTracker } from '../types';
import { GroupedAddress } from '@cardano-sdk/key-management';
import { Logger } from 'ts-log';
import { Observable, combineLatest, map, tap } from 'rxjs';
import {
ObservableRewardsProvider,
ObservableStakePoolProvider,
createQueryStakePoolsProvider,
createRewardAccountsTracker,
createRewardsProvider
} from './RewardAccounts';
import { RetryBackoffConfig } from 'backoff-rxjs';
import { RewardsHistoryProvider, createRewardsHistoryProvider, createRewardsHistoryTracker } from './RewardsHistory';
import { Shutdown, contextLogger } from '@cardano-sdk/util';
import { TrackedRewardsProvider, TrackedStakePoolProvider } from '../ProviderTracker';
import { TrackerSubject, coldObservableProvider } from '@cardano-sdk/util-rxjs';
import { TxWithEpoch } from './types';
import { WalletStores } from '../../persistence';
import { createDelegationDistributionTracker } from './DelegationDistributionTracker';
import { transactionsWithCertificates } from './transactionCertificates';
export const createBlockEpochProvider =
(
chainHistoryProvider: ChainHistoryProvider,
retryBackoffConfig: RetryBackoffConfig,
onFatalError?: (value: unknown) => void
) =>
(ids: Cardano.BlockId[]) =>
coldObservableProvider({
onFatalError,
provider: () => chainHistoryProvider.blocksByHashes({ ids }),
retryBackoffConfig
}).pipe(map((blocks) => blocks.map(({ epoch }) => epoch)));
export type BlockEpochProvider = ReturnType<typeof createBlockEpochProvider>;
export interface DelegationTrackerProps {
rewardsTracker: TrackedRewardsProvider;
rewardAccountAddresses$: Observable<Cardano.RewardAccount[]>;
stakePoolProvider: TrackedStakePoolProvider;
eraSummaries$: Observable<EraSummary[]>;
epoch$: Observable<Cardano.EpochNo>;
transactionsTracker: TransactionsTracker;
retryBackoffConfig: RetryBackoffConfig;
utxoTracker: UtxoTracker;
knownAddresses$: Observable<GroupedAddress[]>;
stores: WalletStores;
internals?: {
queryStakePoolsProvider?: ObservableStakePoolProvider;
rewardsProvider?: ObservableRewardsProvider;
rewardsHistoryProvider?: RewardsHistoryProvider;
slotEpochCalc$?: Observable<SlotEpochCalc>;
};
logger: Logger;
onFatalError?: (value: unknown) => void;
}
export const certificateTransactionsWithEpochs = (
transactionsTracker: TransactionsTracker,
rewardAccountAddresses$: Observable<Cardano.RewardAccount[]>,
slotEpochCalc$: Observable<SlotEpochCalc>,
certificateTypes: Cardano.CertificateType[]
): Observable<TxWithEpoch[]> =>
combineLatest([
transactionsWithCertificates(transactionsTracker.history$, rewardAccountAddresses$, certificateTypes),
slotEpochCalc$
]).pipe(
map(([transactions, slotEpochCalc]) =>
transactions.map((tx) => ({ epoch: slotEpochCalc(tx.blockHeader.slot), tx }))
)
);
const hasDelegationCert = (certificates: Array<Cardano.Certificate> | undefined): boolean =>
!!certificates &&
certificates.some((cert) =>
Cardano.isCertType(cert, [...Cardano.RegAndDeregCertificateTypes, ...Cardano.StakeDelegationCertificateTypes])
);
export const createDelegationPortfolioTracker = (transactions: Observable<Cardano.HydratedTx[]>) =>
transactions.pipe(
map((hydratedTxs) => {
const sortedTransactions = [...hydratedTxs].reverse();
let result = null;
for (const sorted of sortedTransactions) {
const portfolio = sorted.auxiliaryData?.blob?.get(Cardano.DelegationMetadataLabel);
const altersDelegationState = hasDelegationCert(sorted.body.certificates);
if (!portfolio && !altersDelegationState) continue;
if (altersDelegationState && !portfolio) {
result = null;
break;
}
if (portfolio) {
result = Cardano.cip17FromMetadatum(portfolio);
break;
}
}
return result;
})
);
export const createDelegationTracker = ({
rewardAccountAddresses$,
epoch$,
rewardsTracker,
retryBackoffConfig,
transactionsTracker,
eraSummaries$,
stakePoolProvider,
knownAddresses$,
utxoTracker,
stores,
logger,
onFatalError,
internals: {
queryStakePoolsProvider = createQueryStakePoolsProvider(
stakePoolProvider,
stores.stakePools,
retryBackoffConfig,
onFatalError
),
rewardsHistoryProvider = createRewardsHistoryProvider(rewardsTracker, retryBackoffConfig),
rewardsProvider = createRewardsProvider(
epoch$,
transactionsTracker.outgoing.onChain$,
rewardsTracker,
retryBackoffConfig,
onFatalError
),
slotEpochCalc$ = eraSummaries$.pipe(map((eraSummaries) => createSlotEpochCalc(eraSummaries)))
} = {}
}: DelegationTrackerProps): DelegationTracker & Shutdown => {
const transactions$ = certificateTransactionsWithEpochs(
transactionsTracker,
rewardAccountAddresses$,
slotEpochCalc$,
[
...new Set([
...Cardano.RegAndDeregCertificateTypes,
...Cardano.StakeDelegationCertificateTypes,
...Cardano.VoteDelegationCredentialCertificateTypes
])
]
).pipe(tap((transactionsWithEpochs) => logger.debug(`Found ${transactionsWithEpochs.length} staking transactions`)));
const rewardsHistory$ = new TrackerSubject(
createRewardsHistoryTracker(
transactions$,
rewardAccountAddresses$,
rewardsHistoryProvider,
stores.rewardsHistory,
contextLogger(logger, 'rewardsHistory$'),
onFatalError
)
);
const portfolio$ = new TrackerSubject(createDelegationPortfolioTracker(transactionsTracker.history$));
const rewardAccounts$ = new TrackerSubject(
createRewardAccountsTracker({
balancesStore: stores.rewardsBalances,
epoch$,
rewardAccountAddresses$,
rewardsProvider,
stakePoolProvider: queryStakePoolsProvider,
transactions$,
transactionsInFlight$: transactionsTracker.outgoing.inFlight$
})
);
const distribution$ = new TrackerSubject(
createDelegationDistributionTracker({ knownAddresses$, rewardAccounts$, utxoTracker })
);
return {
distribution$,
portfolio$,
rewardAccounts$,
rewardsHistory$,
shutdown: () => {
rewardAccounts$.complete();
rewardsHistory$.complete();
portfolio$.complete();
logger.debug('Shutdown');
}
};
};
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