> ## Documentation Index > Fetch the complete documentation index at: https://goldrush.dev/docs/llms.txt > Use this file to discover all available pages before exploring further. # Methods solana # GoldRush Solana JSON-RPC Methods Endpoint: `https://rpc.goldrushdata.com/v1/solana-mainnet` (HTTP); `wss://rpc.goldrushdata.com/v1/solana-mainnet` (subscriptions). Auth: `Authorization: Bearer ` header. Commitment levels: `processed`, `confirmed`, `finalized`. Balances in lamports (1 SOL = 1e9 lamports). ## Blocks info | Method | Transport | Credits | Summary | | --------------------------------- | --------- | ------: | -------------------------------------------------------------------------------- | | `getBlock` | HTTP | 0.05 | Returns identity and transaction information for a confirmed block. | | `getBlocks` | HTTP | 0.05 | Returns a list of confirmed blocks between two slots. | | `getBlocksWithLimit` | HTTP | 0.05 | Returns a list of confirmed blocks starting at a slot, up to a limit. | | `getBlockHeight` | HTTP | 0.01 | Returns the current block height of the node. | | `getBlockTime` | HTTP | 0.01 | Returns the estimated production time of a block. | | `getBlockProduction` | HTTP | 0.05 | Returns recent block production information for the current or a previous epoch. | | `getBlockCommitment` | HTTP | 0.01 | Returns the commitment (stake-weighted votes) for a block. | | `getLatestBlockhash` | HTTP | 0.01 | Returns the latest blockhash and its last valid block height. | | `isBlockhashValid` | HTTP | 0.01 | Returns whether a blockhash is still valid. | | `getRecentBlockhash` (deprecated) | HTTP | 0.01 | Returns a recent blockhash and fee schedule (deprecated). | | `getConfirmedBlock` (deprecated) | HTTP | 0.05 | Returns the contents of a confirmed block (deprecated). | | `getConfirmedBlocks` (deprecated) | HTTP | 0.05 | Returns a list of confirmed blocks between two slots (deprecated). | ## Transactions info | Method | Transport | Credits | Summary | | ------------------------------------------------ | --------- | ------: | ------------------------------------------------------------------ | | `getTransaction` | HTTP | 0.01 | Returns details for a confirmed transaction by signature. | | `sendTransaction` | HTTP | 0.01 | Submits a signed transaction to the cluster. | | `simulateTransaction` | HTTP | 0.01 | Simulates sending a transaction without submitting it. | | `getSignaturesForAddress` | HTTP | 0.05 | Returns confirmed transaction signatures involving an address. | | `getSignatureStatuses` | HTTP | 0.01 | Returns the status of a list of transaction signatures. | | `getTransactionCount` | HTTP | 0.01 | Returns the total number of transactions processed by the cluster. | | `getConfirmedTransaction` (deprecated) | HTTP | 0.01 | Returns details for a confirmed transaction (deprecated). | | `getConfirmedSignaturesForAddress2` (deprecated) | HTTP | 0.05 | Returns confirmed signatures for an address (deprecated). | ## Node info | Method | Transport | Credits | Summary | | ----------------- | --------- | ------: | ----------------------------------------------------------------- | | `getHealth` | HTTP | 0.01 | Returns the health status of the node. | | `getVersion` | HTTP | 0.01 | Returns the Solana software version running on the node. | | `getIdentity` | HTTP | 0.01 | Returns the identity pubkey of the node. | | `getClusterNodes` | HTTP | 0.01 | Returns information about all nodes participating in the cluster. | ## Account info | Method | Transport | Credits | Summary | | --------------------------------- | --------- | ------: | ---------------------------------------------------------------------- | | `getAccountInfo` | HTTP | 0.01 | Returns all information associated with an account. | | `getBalance` | HTTP | 0.01 | Returns the lamport balance of an account. | | `getMultipleAccounts` | HTTP | 0.05 | Returns account information for a list of addresses. | | `getProgramAccounts` | HTTP | 0.05 | Returns all accounts owned by a program. | | `getLargestAccounts` | HTTP | 0.05 | Returns the 20 largest accounts by lamport balance. | | `getVoteAccounts` | HTTP | 0.05 | Returns the current and delinquent vote accounts. | | `getStakeActivation` (deprecated) | HTTP | 0.01 | Returns epoch activation information for a stake account (deprecated). | ## Network info | Method | Transport | Credits | Summary | | ------------------------------------------- | --------- | ------: | --------------------------------------------------------------- | | `getEpochInfo` | HTTP | 0.01 | Returns information about the current epoch. | | `getEpochSchedule` | HTTP | 0.01 | Returns the epoch schedule from the cluster genesis config. | | `getFeeForMessage` | HTTP | 0.01 | Returns the fee the cluster will charge for a message. | | `getRecentPrioritizationFees` | HTTP | 0.01 | Returns recent per-compute-unit prioritization fees. | | `getMinimumBalanceForRentExemption` | HTTP | 0.01 | Returns the minimum lamport balance for rent exemption. | | `getGenesisHash` | HTTP | 0.01 | Returns the genesis hash of the cluster. | | `getFirstAvailableBlock` | HTTP | 0.01 | Returns the slot of the lowest confirmed block still available. | | `getHighestSnapshotSlot` | HTTP | 0.01 | Returns the highest slot for which the node has snapshots. | | `getRecentPerformanceSamples` | HTTP | 0.05 | Returns recent network performance samples. | | `getFees` (deprecated) | HTTP | 0.01 | Returns a recent blockhash and fee schedule (deprecated). | | `getFeeCalculatorForBlockhash` (deprecated) | HTTP | 0.01 | Returns the fee calculator for a blockhash (deprecated). | ## Slot info | Method | Transport | Credits | Summary | | ----------------------- | --------- | ------: | --------------------------------------------------------------------- | | `getSlot` | HTTP | 0.01 | Returns the slot that has reached the given commitment level. | | `getSlotLeader` | HTTP | 0.01 | Returns the current slot leader. | | `getSlotLeaders` | HTTP | 0.01 | Returns the slot leaders for a slot range. | | `getLeaderSchedule` | HTTP | 0.05 | Returns the leader schedule for an epoch. | | `getMaxRetransmitSlot` | HTTP | 0.01 | Returns the highest slot seen by the retransmit stage. | | `getMaxShredInsertSlot` | HTTP | 0.01 | Returns the highest slot for which shreds have been inserted. | | `minimumLedgerSlot` | HTTP | 0.01 | Returns the lowest slot the node has information about in its ledger. | ## Token info | Method | Transport | Credits | Summary | | ---------------------------- | --------- | ------: | --------------------------------------------------------------- | | `getTokenAccountsByOwner` | HTTP | 0.05 | Returns all SPL token accounts owned by an address. | | `getTokenAccountBalance` | HTTP | 0.01 | Returns the token balance of an SPL token account. | | `getTokenSupply` | HTTP | 0.01 | Returns the total supply of an SPL token. | | `getTokenLargestAccounts` | HTTP | 0.05 | Returns the 20 largest accounts for an SPL token mint. | | `getTokenAccountsByDelegate` | HTTP | 0.05 | Returns all SPL token accounts delegated to an address. | | `requestAirdrop` | HTTP | 0.01 | Requests an airdrop of lamports to an account (devnet/testnet). | ## Subscriptions | Method | Transport | Credits | Summary | | ---------------------- | --------- | ------: | --------------------------------------------------------------------- | | `accountSubscribe` | WebSocket | 0.01 | Subscribes to changes to an account. | | `accountUnsubscribe` | WebSocket | 0.01 | Cancels an account subscription. | | `logsSubscribe` | WebSocket | 0.01 | Subscribes to transaction logging. | | `logsUnsubscribe` | WebSocket | 0.01 | Cancels a logs subscription. | | `programSubscribe` | WebSocket | 0.01 | Subscribes to changes to all accounts owned by a program. | | `programUnsubscribe` | WebSocket | 0.01 | Cancels a program subscription. | | `signatureSubscribe` | WebSocket | 0.01 | Subscribes to receive a notification when a transaction is confirmed. | | `signatureUnsubscribe` | WebSocket | 0.01 | Cancels a signature subscription. | | `slotSubscribe` | WebSocket | 0.01 | Subscribes to receive notification when a slot is processed. | | `slotUnsubscribe` | WebSocket | 0.01 | Cancels a slot subscription. | | `blockSubscribe` | WebSocket | 0.01 | Subscribes to receive notification when a new block is confirmed. | | `blockUnsubscribe` | WebSocket | 0.01 | Cancels a block subscription. | ## Network inflation info | Method | Transport | Credits | Summary | | ---------------------- | --------- | ------: | ------------------------------------------------------------- | | `getInflationGovernor` | HTTP | 0.01 | Returns the current inflation governor parameters. | | `getInflationRate` | HTTP | 0.01 | Returns the inflation rates for the current epoch. | | `getInflationReward` | HTTP | 0.05 | Returns the inflation/staking reward for a list of addresses. | | `getSupply` | HTTP | 0.05 | Returns information about the current supply of SOL. | ## Per-method details ### `getBlock` **Summary:** Returns identity and transaction information for a confirmed block. **Parameters:** | Name | Type | Required | Description | | -------- | -------- | -------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------- | | `slot` | `u64` | yes | Slot number to fetch, as a `u64` integer. | | `config` | `object` | no | `{commitment?, encoding?, transactionDetails?, maxSupportedTransactionVersion?, rewards?}`. `encoding` is one of `json`, `jsonParsed`, `base58`, `base64`. | **Returns:** `object | null`. Block object with `blockhash`, `previousBlockhash`, `parentSlot`, `transactions`, `rewards`, `blockTime`, `blockHeight`; `null` if the block is not confirmed. *** ### `getBlocks` **Summary:** Returns a list of confirmed blocks between two slots. **Parameters:** | Name | Type | Required | Description | | ----------- | -------- | -------- | --------------------------------------------------------------------------------------- | | `startSlot` | `u64` | yes | First slot to include (inclusive). | | `endSlot` | `u64` | no | Last slot to include (inclusive). Must be no more than 500,000 slots after `startSlot`. | | `config` | `object` | no | `{commitment?}`. `processed` is not supported. | **Returns:** `array`. Array of confirmed block slots in ascending order. *** ### `getBlocksWithLimit` **Summary:** Returns a list of confirmed blocks starting at a slot, up to a limit. **Parameters:** | Name | Type | Required | Description | | ----------- | -------- | -------- | --------------------------------------------------------------------- | | `startSlot` | `u64` | yes | First slot to include (inclusive). | | `limit` | `u64` | yes | Maximum number of blocks to return (must be no greater than 500,000). | | `config` | `object` | no | `{commitment?}`. `processed` is not supported. | **Returns:** `array`. Array of confirmed block slots in ascending order. *** ### `getBlockHeight` **Summary:** Returns the current block height of the node. **Parameters:** | Name | Type | Required | Description | | -------- | -------- | -------- | --------------------------------- | | `config` | `object` | no | `{commitment?, minContextSlot?}`. | **Returns:** `u64`. Current block height. *** ### `getBlockTime` **Summary:** Returns the estimated production time of a block. **Parameters:** | Name | Type | Required | Description | | ------ | ----- | -------- | ---------------- | | `slot` | `u64` | yes | Slot to look up. | **Returns:** `i64 | null`. Unix timestamp in seconds, or `null` if unavailable. *** ### `getBlockProduction` **Summary:** Returns recent block production information for the current or a previous epoch. **Parameters:** | Name | Type | Required | Description | | -------- | -------- | -------- | ---------------------------------------------------------------------------------------------------------------------- | | `config` | `object` | no | `{commitment?, identity?, range?: {firstSlot, lastSlot?}}`. `identity` filters to a single validator (base-58 pubkey). | **Returns:** `object`. `{context, value: {byIdentity, range}}` where `byIdentity` maps validator pubkey to `[leaderSlots, blocksProduced]`. *** ### `getBlockCommitment` **Summary:** Returns the commitment (stake-weighted votes) for a block. **Parameters:** | Name | Type | Required | Description | | ------ | ----- | -------- | -------------- | | `slot` | `u64` | yes | Slot to query. | **Returns:** `object`. `{commitment: array | null, totalStake: u64}`. *** ### `getLatestBlockhash` **Summary:** Returns the latest blockhash and its last valid block height. **Parameters:** | Name | Type | Required | Description | | -------- | -------- | -------- | --------------------------------- | | `config` | `object` | no | `{commitment?, minContextSlot?}`. | **Returns:** `object`. `{context, value: {blockhash, lastValidBlockHeight}}`. *** ### `isBlockhashValid` **Summary:** Returns whether a blockhash is still valid. **Parameters:** | Name | Type | Required | Description | | ----------- | -------- | -------- | ----------------------------------- | | `blockhash` | `string` | yes | Base-58 encoded blockhash to check. | | `config` | `object` | no | `{commitment?, minContextSlot?}`. | **Returns:** `object`. `{context, value: boolean}`: `true` if the blockhash is still valid. *** ### `getRecentBlockhash` **Deprecated.** Use `getLatestBlockhash` instead. **Summary:** Returns a recent blockhash and fee schedule (deprecated). **Parameters:** | Name | Type | Required | Description | | -------- | -------- | -------- | ---------------- | | `config` | `object` | no | `{commitment?}`. | **Returns:** `object`. `{context, value: {blockhash, feeCalculator: {lamportsPerSignature}}}`. *** ### `getConfirmedBlock` **Deprecated.** Use `getBlock` instead. **Summary:** Returns the contents of a confirmed block (deprecated). **Parameters:** | Name | Type | Required | Description | | -------- | -------- | -------- | ---------------------------------------------------------- | | `slot` | `u64` | yes | Slot number to fetch. | | `config` | `object` | no | `{encoding?, transactionDetails?, rewards?, commitment?}`. | **Returns:** `object | null`. Block object, or `null` if not confirmed. *** ### `getConfirmedBlocks` **Deprecated.** Use `getBlocks` instead. **Summary:** Returns a list of confirmed blocks between two slots (deprecated). **Parameters:** | Name | Type | Required | Description | | ----------- | ----- | -------- | ---------------------- | | `startSlot` | `u64` | yes | First slot to include. | | `endSlot` | `u64` | no | Last slot to include. | **Returns:** `array`. Array of confirmed block slots. *** ### `getTransaction` **Summary:** Returns details for a confirmed transaction by signature. **Parameters:** | Name | Type | Required | Description | | ----------- | -------- | -------- | --------------------------------------------------------------------------------------------------------------------------- | | `signature` | `string` | yes | Base-58 encoded transaction signature. | | `config` | `object` | no | `{commitment?, encoding?, maxSupportedTransactionVersion?}`. `encoding` is one of `json`, `jsonParsed`, `base58`, `base64`. | **Returns:** `object | null`. Transaction object with `slot`, `blockTime`, `transaction`, `meta`; `null` if not found. *** ### `sendTransaction` **Summary:** Submits a signed transaction to the cluster. **Parameters:** | Name | Type | Required | Description | | ------------- | -------- | -------- | ---------------------------------------------------------------------------------------------------------------------------------------------- | | `transaction` | `string` | yes | Fully-signed transaction, encoded as a `base64` (recommended) or `base58` string. | | `config` | `object` | no | `{encoding?, skipPreflight?, preflightCommitment?, maxRetries?, minContextSlot?}`. Set `encoding: "base64"` to match the transaction encoding. | **Returns:** `string`. Base-58 encoded transaction signature (the first signature in the transaction). *** ### `simulateTransaction` **Summary:** Simulates sending a transaction without submitting it. **Parameters:** | Name | Type | Required | Description | | ------------- | -------- | -------- | ----------------------------------------------------------------------------------------------------------------------------------------------- | | `transaction` | `string` | yes | Transaction to simulate, `base64` or `base58` encoded. May be unsigned when `sigVerify` is false. | | `config` | `object` | no | `{encoding?, sigVerify?, replaceRecentBlockhash?, commitment?, accounts?, minContextSlot?}`. `accounts` requests post-simulation account state. | **Returns:** `object`. `{context, value: {err, logs, accounts, unitsConsumed, returnData}}`. *** ### `getSignaturesForAddress` **Summary:** Returns confirmed transaction signatures involving an address. **Parameters:** | Name | Type | Required | Description | | --------- | -------- | -------- | ----------------------------------------------------------------------------------------------- | | `address` | `string` | yes | Base-58 encoded account address. | | `config` | `object` | no | `{limit?, before?, until?, commitment?, minContextSlot?}`. `limit` defaults to 1000 (max 1000). | **Returns:** `array`. Array of `{signature, slot, err, memo, blockTime, confirmationStatus}` newest first. *** ### `getSignatureStatuses` **Summary:** Returns the status of a list of transaction signatures. **Parameters:** | Name | Type | Required | Description | | ------------ | --------------- | -------- | ---------------------------------------------------------- | | `signatures` | `array` | yes | Array of base-58 encoded transaction signatures (max 256). | | `config` | `object` | no | `{searchTransactionHistory?}`. | **Returns:** `object`. `{context, value: array<{slot, confirmations, err, confirmationStatus} | null>}`. *** ### `getTransactionCount` **Summary:** Returns the total number of transactions processed by the cluster. **Parameters:** | Name | Type | Required | Description | | -------- | -------- | -------- | --------------------------------- | | `config` | `object` | no | `{commitment?, minContextSlot?}`. | **Returns:** `u64`. Cumulative transaction count. *** ### `getConfirmedTransaction` **Deprecated.** Use `getTransaction` instead. **Summary:** Returns details for a confirmed transaction (deprecated). **Parameters:** | Name | Type | Required | Description | | ----------- | -------- | -------- | -------------------------------------------- | | `signature` | `string` | yes | Base-58 encoded transaction signature. | | `encoding` | `string` | no | `json`, `jsonParsed`, `base58`, or `base64`. | **Returns:** `object | null`. Transaction object, or `null` if not found. *** ### `getConfirmedSignaturesForAddress2` **Deprecated.** Use `getSignaturesForAddress` instead. **Summary:** Returns confirmed signatures for an address (deprecated). **Parameters:** | Name | Type | Required | Description | | --------- | -------- | -------- | ----------------------------------------- | | `address` | `string` | yes | Base-58 encoded account address. | | `config` | `object` | no | `{limit?, before?, until?, commitment?}`. | **Returns:** `array`. Array of `{signature, slot, err, memo, blockTime}`. *** ### `getHealth` **Summary:** Returns the health status of the node. **Parameters:** none **Returns:** `string`. `"ok"` when healthy. *** ### `getVersion` **Summary:** Returns the Solana software version running on the node. **Parameters:** none **Returns:** `object`. `{"solana-core": string, "feature-set": u32}`. *** ### `getIdentity` **Summary:** Returns the identity pubkey of the node. **Parameters:** none **Returns:** `object`. `{identity: string}`: base-58 encoded validator identity pubkey. *** ### `getClusterNodes` **Summary:** Returns information about all nodes participating in the cluster. **Parameters:** none **Returns:** `array`. Array of `{pubkey, gossip, tpu, rpc, version, featureSet, shredVersion}`. *** ### `getAccountInfo` **Summary:** Returns all information associated with an account. **Parameters:** | Name | Type | Required | Description | | --------- | -------- | -------- | ------------------------------------------------------------------------------------------------------------------------------------------------ | | `address` | `string` | yes | Base-58 encoded account address (pubkey). | | `config` | `object` | no | `{commitment?, encoding?, dataSlice?: {offset, length}, minContextSlot?}`. `encoding` is one of `base58`, `base64`, `base64+zstd`, `jsonParsed`. | **Returns:** `object | null`. `{context, value: {lamports, owner, data, executable, rentEpoch, space} | null}`. `value` is `null` if the account does not exist. *** ### `getBalance` **Summary:** Returns the lamport balance of an account. **Parameters:** | Name | Type | Required | Description | | --------- | -------- | -------- | --------------------------------- | | `address` | `string` | yes | Base-58 encoded account address. | | `config` | `object` | no | `{commitment?, minContextSlot?}`. | **Returns:** `object`. `{context, value: u64}`: balance in lamports. *** ### `getMultipleAccounts` **Summary:** Returns account information for a list of addresses. **Parameters:** | Name | Type | Required | Description | | ----------- | --------------- | -------- | -------------------------------------------------------- | | `addresses` | `array` | yes | Array of base-58 encoded account addresses (max 100). | | `config` | `object` | no | `{commitment?, encoding?, dataSlice?, minContextSlot?}`. | **Returns:** `object`. `{context, value: array}`. *** ### `getProgramAccounts` **Summary:** Returns all accounts owned by a program. **Parameters:** | Name | Type | Required | Description | | ----------- | -------- | -------- | ------------------------------------------------------------------------------------------------------------------------------------------------------- | | `programId` | `string` | yes | Base-58 encoded program pubkey. | | `config` | `object` | no | `{commitment?, encoding?, dataSlice?, filters?: array, withContext?, minContextSlot?}`. `filters` accepts `{dataSize}` and `{memcmp: {offset, bytes}}`. | **Returns:** `array | object`. Array of `{pubkey, account}` objects (or a `{context, value}` envelope when `withContext` is set). *** ### `getLargestAccounts` **Summary:** Returns the 20 largest accounts by lamport balance. **Parameters:** | Name | Type | Required | Description | | -------- | -------- | -------- | ------------------------------------------------------------ | | `config` | `object` | no | `{commitment?, filter?: "circulating" \| "nonCirculating"}`. | **Returns:** `object`. `{context, value: array<{address, lamports}>}`. *** ### `getVoteAccounts` **Summary:** Returns the current and delinquent vote accounts. **Parameters:** | Name | Type | Required | Description | | -------- | -------- | -------- | ---------------------------------------------------------------------------------------------------------------------------- | | `config` | `object` | no | `{commitment?, votePubkey?, keepUnstakedDelinquents?, delinquentSlotDistance?}`. `votePubkey` filters to a single validator. | **Returns:** `object`. `{current: array, delinquent: array}` with `votePubkey`, `nodePubkey`, `activatedStake`, `commission`, `epochCredits`, `lastVote`. *** ### `getStakeActivation` **Deprecated.** Use `getAccountInfo` instead. **Summary:** Returns epoch activation information for a stake account (deprecated). **Parameters:** | Name | Type | Required | Description | | --------- | -------- | -------- | ----------------------------------------- | | `address` | `string` | yes | Base-58 encoded stake account address. | | `config` | `object` | no | `{commitment?, epoch?, minContextSlot?}`. | **Returns:** `object`. `{state, active, inactive}`. *** ### `getEpochInfo` **Summary:** Returns information about the current epoch. **Parameters:** | Name | Type | Required | Description | | -------- | -------- | -------- | --------------------------------- | | `config` | `object` | no | `{commitment?, minContextSlot?}`. | **Returns:** `object`. `{epoch, absoluteSlot, slotIndex, slotsInEpoch, blockHeight, transactionCount}`. *** ### `getEpochSchedule` **Summary:** Returns the epoch schedule from the cluster genesis config. **Parameters:** none **Returns:** `object`. `{slotsPerEpoch, leaderScheduleSlotOffset, warmup, firstNormalEpoch, firstNormalSlot}`. *** ### `getFeeForMessage` **Summary:** Returns the fee the cluster will charge for a message. **Parameters:** | Name | Type | Required | Description | | --------- | -------- | -------- | ----------------------------------------------- | | `message` | `string` | yes | Base-64 encoded serialized transaction message. | | `config` | `object` | no | `{commitment?, minContextSlot?}`. | **Returns:** `object`. `{context, value: u64 | null}`: fee in lamports, or `null` if the blockhash has expired. *** ### `getRecentPrioritizationFees` **Summary:** Returns recent per-compute-unit prioritization fees. **Parameters:** | Name | Type | Required | Description | | ----------- | --------------- | -------- | ------------------------------------------------------------------------------------------------ | | `addresses` | `array` | no | Up to 128 base-58 account addresses; fees are scoped to slots where these accounts were written. | **Returns:** `array`. Array of `{slot, prioritizationFee}` for recent slots. *** ### `getMinimumBalanceForRentExemption` **Summary:** Returns the minimum lamport balance for rent exemption. **Parameters:** | Name | Type | Required | Description | | ------------ | -------- | -------- | ----------------------------- | | `dataLength` | `usize` | yes | Account data length in bytes. | | `config` | `object` | no | `{commitment?}`. | **Returns:** `u64`. Minimum rent-exempt balance in lamports. *** ### `getGenesisHash` **Summary:** Returns the genesis hash of the cluster. **Parameters:** none **Returns:** `string`. Base-58 encoded genesis hash. *** ### `getFirstAvailableBlock` **Summary:** Returns the slot of the lowest confirmed block still available. **Parameters:** none **Returns:** `u64`. Slot of the first available block. *** ### `getHighestSnapshotSlot` **Summary:** Returns the highest slot for which the node has snapshots. **Parameters:** none **Returns:** `object`. `{full: u64, incremental: u64 | null}`. *** ### `getRecentPerformanceSamples` **Summary:** Returns recent network performance samples. **Parameters:** | Name | Type | Required | Description | | ------- | ------- | -------- | -------------------------------------- | | `limit` | `usize` | no | Number of samples to return (max 720). | **Returns:** `array`. Array of `{slot, numTransactions, numSlots, samplePeriodSecs, numNonVoteTransactions}`. *** ### `getFees` **Deprecated.** Use `getFeeForMessage` instead. **Summary:** Returns a recent blockhash and fee schedule (deprecated). **Parameters:** | Name | Type | Required | Description | | -------- | -------- | -------- | ---------------- | | `config` | `object` | no | `{commitment?}`. | **Returns:** `object`. `{context, value: {blockhash, feeCalculator, lastValidSlot, lastValidBlockHeight}}`. *** ### `getFeeCalculatorForBlockhash` **Deprecated.** Use `getFeeForMessage` instead. **Summary:** Returns the fee calculator for a blockhash (deprecated). **Parameters:** | Name | Type | Required | Description | | ----------- | -------- | -------- | -------------------------- | | `blockhash` | `string` | yes | Base-58 encoded blockhash. | | `config` | `object` | no | `{commitment?}`. | **Returns:** `object`. `{context, value: {feeCalculator: {lamportsPerSignature}} | null}`. *** ### `getSlot` **Summary:** Returns the slot that has reached the given commitment level. **Parameters:** | Name | Type | Required | Description | | -------- | -------- | -------- | --------------------------------- | | `config` | `object` | no | `{commitment?, minContextSlot?}`. | **Returns:** `u64`. Current slot. *** ### `getSlotLeader` **Summary:** Returns the current slot leader. **Parameters:** | Name | Type | Required | Description | | -------- | -------- | -------- | --------------------------------- | | `config` | `object` | no | `{commitment?, minContextSlot?}`. | **Returns:** `string`. Base-58 encoded slot leader identity pubkey. *** ### `getSlotLeaders` **Summary:** Returns the slot leaders for a slot range. **Parameters:** | Name | Type | Required | Description | | ----------- | ----- | -------- | ------------------------------------- | | `startSlot` | `u64` | yes | First slot of the range. | | `limit` | `u64` | yes | Number of leaders to return (1–5000). | **Returns:** `array`. Array of base-58 leader identity pubkeys, one per slot. *** ### `getLeaderSchedule` **Summary:** Returns the leader schedule for an epoch. **Parameters:** | Name | Type | Required | Description | | -------- | -------- | -------- | --------------------------------------------------------------------- | | `slot` | `u64` | no | Slot whose epoch's schedule to fetch; defaults to the current epoch. | | `config` | `object` | no | `{commitment?, identity?}`. `identity` filters to a single validator. | **Returns:** `object | null`. Map of leader pubkey → array of slot indices, or `null` if the epoch has no schedule. *** ### `getMaxRetransmitSlot` **Summary:** Returns the highest slot seen by the retransmit stage. **Parameters:** none **Returns:** `u64`. Highest retransmit slot. *** ### `getMaxShredInsertSlot` **Summary:** Returns the highest slot for which shreds have been inserted. **Parameters:** none **Returns:** `u64`. Highest shred-insert slot. *** ### `minimumLedgerSlot` **Summary:** Returns the lowest slot the node has information about in its ledger. **Parameters:** none **Returns:** `u64`. Lowest retained ledger slot. *** ### `getTokenAccountsByOwner` **Summary:** Returns all SPL token accounts owned by an address. **Parameters:** | Name | Type | Required | Description | | -------- | -------- | -------- | ------------------------------------------------------------------------------------------------------- | | `owner` | `string` | yes | Base-58 encoded owner wallet address. | | `filter` | `object` | yes | Either `{mint}` (base-58 token mint) or `{programId}` (base-58 token program). Exactly one is required. | | `config` | `object` | no | `{commitment?, encoding?, dataSlice?, minContextSlot?}`. | **Returns:** `object`. `{context, value: array<{pubkey, account}>}`: token accounts with parsed `tokenAmount` when `jsonParsed`. *** ### `getTokenAccountBalance` **Summary:** Returns the token balance of an SPL token account. **Parameters:** | Name | Type | Required | Description | | --------- | -------- | -------- | ------------------------------------------ | | `account` | `string` | yes | Base-58 encoded SPL token account address. | | `config` | `object` | no | `{commitment?}`. | **Returns:** `object`. `{context, value: {amount, decimals, uiAmount, uiAmountString}}`. *** ### `getTokenSupply` **Summary:** Returns the total supply of an SPL token. **Parameters:** | Name | Type | Required | Description | | -------- | -------- | -------- | --------------------------------------- | | `mint` | `string` | yes | Base-58 encoded SPL token mint address. | | `config` | `object` | no | `{commitment?}`. | **Returns:** `object`. `{context, value: {amount, decimals, uiAmount, uiAmountString}}`. *** ### `getTokenLargestAccounts` **Summary:** Returns the 20 largest accounts for an SPL token mint. **Parameters:** | Name | Type | Required | Description | | -------- | -------- | -------- | --------------------------------------- | | `mint` | `string` | yes | Base-58 encoded SPL token mint address. | | `config` | `object` | no | `{commitment?}`. | **Returns:** `object`. `{context, value: array<{address, amount, decimals, uiAmount, uiAmountString}>}`. *** ### `getTokenAccountsByDelegate` **Summary:** Returns all SPL token accounts delegated to an address. **Parameters:** | Name | Type | Required | Description | | ---------- | -------- | -------- | ---------------------------------------------------------- | | `delegate` | `string` | yes | Base-58 encoded delegate address. | | `filter` | `object` | yes | Either `{mint}` or `{programId}`. Exactly one is required. | | `config` | `object` | no | `{commitment?, encoding?, dataSlice?, minContextSlot?}`. | **Returns:** `object`. `{context, value: array<{pubkey, account}>}`. *** ### `requestAirdrop` **Summary:** Requests an airdrop of lamports to an account (devnet/testnet). **Parameters:** | Name | Type | Required | Description | | ---------- | -------- | -------- | ---------------------------------- | | `address` | `string` | yes | Base-58 encoded recipient address. | | `lamports` | `u64` | yes | Number of lamports to airdrop. | | `config` | `object` | no | `{commitment?}`. | **Returns:** `string`. Base-58 encoded airdrop transaction signature. *** ### `getInflationGovernor` **Summary:** Returns the current inflation governor parameters. **Parameters:** | Name | Type | Required | Description | | -------- | -------- | -------- | ---------------- | | `config` | `object` | no | `{commitment?}`. | **Returns:** `object`. `{initial, terminal, taper, foundation, foundationTerm}`. *** ### `getInflationRate` **Summary:** Returns the inflation rates for the current epoch. **Parameters:** none **Returns:** `object`. `{total, validator, foundation, epoch}`. *** ### `getInflationReward` **Summary:** Returns the inflation/staking reward for a list of addresses. **Parameters:** | Name | Type | Required | Description | | ----------- | --------------- | -------- | -------------------------------------------- | | `addresses` | `array` | yes | Array of base-58 account addresses to query. | | `config` | `object` | no | `{commitment?, epoch?, minContextSlot?}`. | **Returns:** `array`. Array of `{epoch, effectiveSlot, amount, postBalance, commission} | null`, one per address. *** ### `getSupply` **Summary:** Returns information about the current supply of SOL. **Parameters:** | Name | Type | Required | Description | | -------- | -------- | -------- | ---------------------------------------------------- | | `config` | `object` | no | `{commitment?, excludeNonCirculatingAccountsList?}`. | **Returns:** `object`. `{context, value: {total, circulating, nonCirculating, nonCirculatingAccounts}}`: values in lamports. *** ### `accountSubscribe` **Summary:** Subscribes to changes to an account. **Parameters:** | Name | Type | Required | Description | | --------- | -------- | -------- | ----------------------------------------- | | `address` | `string` | yes | Base-58 encoded account address to watch. | | `config` | `object` | no | `{commitment?, encoding?}`. | **Returns:** `number`. Subscription id (used with `accountUnsubscribe`). Notifications arrive as `accountNotification` messages. *** ### `accountUnsubscribe` **Summary:** Cancels an account subscription. **Parameters:** | Name | Type | Required | Description | | ---------------- | -------- | -------- | ----------------------------------------------- | | `subscriptionId` | `number` | yes | Subscription id returned by `accountSubscribe`. | **Returns:** `boolean`. `true` if the subscription was successfully cancelled. *** ### `logsSubscribe` **Summary:** Subscribes to transaction logging. **Parameters:** | Name | Type | Required | Description | | -------- | ------------------ | -------- | ---------------------------------------------------------------- | | `filter` | `string \| object` | yes | `"all"`, `"allWithVotes"`, or `{mentions: []}`. | | `config` | `object` | no | `{commitment?}`. | **Returns:** `number`. Subscription id (used with `logsUnsubscribe`). Notifications arrive as `logsNotification` messages. *** ### `logsUnsubscribe` **Summary:** Cancels a logs subscription. **Parameters:** | Name | Type | Required | Description | | ---------------- | -------- | -------- | -------------------------------------------- | | `subscriptionId` | `number` | yes | Subscription id returned by `logsSubscribe`. | **Returns:** `boolean`. `true` if the subscription was successfully cancelled. *** ### `programSubscribe` **Summary:** Subscribes to changes to all accounts owned by a program. **Parameters:** | Name | Type | Required | Description | | ----------- | -------- | -------- | ---------------------------------------- | | `programId` | `string` | yes | Base-58 encoded program pubkey to watch. | | `config` | `object` | no | `{commitment?, encoding?, filters?}`. | **Returns:** `number`. Subscription id (used with `programUnsubscribe`). Notifications arrive as `programNotification` messages. *** ### `programUnsubscribe` **Summary:** Cancels a program subscription. **Parameters:** | Name | Type | Required | Description | | ---------------- | -------- | -------- | ----------------------------------------------- | | `subscriptionId` | `number` | yes | Subscription id returned by `programSubscribe`. | **Returns:** `boolean`. `true` if the subscription was successfully cancelled. *** ### `signatureSubscribe` **Summary:** Subscribes to receive a notification when a transaction is confirmed. **Parameters:** | Name | Type | Required | Description | | ----------- | -------- | -------- | ----------------------------------------------- | | `signature` | `string` | yes | Base-58 encoded transaction signature to watch. | | `config` | `object` | no | `{commitment?, enableReceivedNotification?}`. | **Returns:** `number`. Subscription id (used with `signatureUnsubscribe`). Notifications arrive as `signatureNotification` messages. *** ### `signatureUnsubscribe` **Summary:** Cancels a signature subscription. **Parameters:** | Name | Type | Required | Description | | ---------------- | -------- | -------- | ------------------------------------------------- | | `subscriptionId` | `number` | yes | Subscription id returned by `signatureSubscribe`. | **Returns:** `boolean`. `true` if the subscription was successfully cancelled. *** ### `slotSubscribe` **Summary:** Subscribes to receive notification when a slot is processed. **Parameters:** none **Returns:** `number`. Subscription id (used with `slotUnsubscribe`). Notifications arrive as `slotNotification` messages with `{parent, root, slot}`. *** ### `slotUnsubscribe` **Summary:** Cancels a slot subscription. **Parameters:** | Name | Type | Required | Description | | ---------------- | -------- | -------- | -------------------------------------------- | | `subscriptionId` | `number` | yes | Subscription id returned by `slotSubscribe`. | **Returns:** `boolean`. `true` if the subscription was successfully cancelled. *** ### `blockSubscribe` **Summary:** Subscribes to receive notification when a new block is confirmed. **Parameters:** | Name | Type | Required | Description | | -------- | ------------------ | -------- | ----------------------------------------------------------------------------------------------- | | `filter` | `string \| object` | yes | `"all"` or `{mentionsAccountOrProgram: }`. | | `config` | `object` | no | `{commitment?, encoding?, transactionDetails?, showRewards?, maxSupportedTransactionVersion?}`. | **Returns:** `number`. Subscription id (used with `blockUnsubscribe`). Notifications arrive as `blockNotification` messages. *** ### `blockUnsubscribe` **Summary:** Cancels a block subscription. **Parameters:** | Name | Type | Required | Description | | ---------------- | -------- | -------- | --------------------------------------------- | | `subscriptionId` | `number` | yes | Subscription id returned by `blockSubscribe`. | **Returns:** `boolean`. `true` if the subscription was successfully cancelled. ***