# Module eth ## Method eth_accounts The `accounts` method returns a list of addresses owned by the client. Parameters: None Returns result: array of address Example: ```shell curl -s -X POST -H "Content-Type: application/json" ${RPC} -d '{ "jsonrpc": "2.0", "id": 1001, "method": "eth_accounts" }' | jq ``` Response: ```json { "jsonrpc": "2.0", "id": 1001, "result": [ "0x077961a99e124088bc386c3183b369187c5be295", "0x8cd4b6b24f2cd0b83d49876f932254823e875547", "0xdcc8153ceddf2e4935bed915eb4180ec42fcb69c" ] } ``` ## Method eth_blobBaseFee The `blobBaseFee` method returns the expected base fee for blobs in the next block. Parameters: None Returns: result: big.Int, The expected base fee in wei, represented as a hexadecimal. Example: ```shell curl -s -X POST -H "Content-Type: application/json" ${RPC} -d '{ "jsonrpc": "2.0", "id": 1001, "method": "eth_blobBaseFee" }' | jq ``` Response: ```json { "jsonrpc": "2.0", "id": 1001, "result": "0x0" } ``` ## Method eth_blockNumber The `blockNumber` method returns the current latest block number. Parameters: None Returns: result: uint64, A hexadecimal of an integer representing the current block number the client is on. Example: ```shell curl -s -X POST -H "Content-Type: application/json" ${RPC} -d '{ "jsonrpc": "2.0", "id": 1001, "method": "eth_blockNumber" }' | jq ``` Response: ```json { "jsonrpc": "2.0", "id": 1001, "result": "0x57d1892" } ``` ## Method eth_call The `call` method executes a new message call immediately, without creating a transaction on the block chain. Often used for executing read-only smart contract functions, for example the balanceOf for an ERC-20 contract. Parameters: - args: object TransactionArgs, required - blockNrOrHash: object BlockNumberOrHash, optional - overrides: object StateOverride, optional Returns: result: array of byte, the return value of executed contract. Example: ```shell curl -s -X POST -H "Content-Type: application/json" ${RPC} -d '{ "jsonrpc": "2.0", "id": 8001, "method": "eth_call", "params": [ { "to": "0x0000000000000000000000000000000000000088", "data": "0x0db02622" }, "latest" ] }' | jq ``` Response: ```json { "jsonrpc": "2.0", "id": 8001, "result": "0x00000000000000000000000000000000000000000000000000000000000000d5" } ``` ## Method eth_chainId The `chainId` method returns the currently configured chain ID, a value used in replay-protected transaction signing as introduced by EIP-155. Parameters: None Returns: result: uint64, a hexadecimal of the current chain ID. Example: ```shell curl -s -X POST -H "Content-Type: application/json" ${RPC} -d '{ "jsonrpc": "2.0", "id": 1001, "method": "eth_chainId" }' | jq ``` Response: ```json { "jsonrpc": "2.0", "id": 1001, "result": "0x32" } ``` ## Method eth_coinbase The `coinbase` method returns the client coinbase address. The coinbase address is the account to pay mining rewards to. This is the alias for `eth_etherbase`. Parameters: None Returns: result: address Example: ```shell curl -s -X POST -H "Content-Type: application/json" ${RPC} -d '{ "jsonrpc": "2.0", "id": 1001, "method": "eth_coinbase" }' | jq ``` Response: ```json { "jsonrpc": "2.0", "id": 1001, "result": "0x077961a99e124088bc386c3183b369187c5be295" } ``` ## Method eth_createAccessList The `createAccessList` method creates an EIP2930 type accessList based on a given Transaction. The accessList contains all storage slots and addresses read and written by the transaction, except for the sender account and the precompiles. This method uses the same transaction call Transaction Call Object and blockNumberOrTag object as eth_call. An accessList can be used to unstuck contracts that became inaccessible due to gas cost increases. Parameters: - args: object transactionArgs, required - from: optional, 20 bytes. The address of the sender. - to: 20 bytes. address the transaction is directed to. - gas: optional, hexadecimal value of the gas provided for the transaction execution. - gasPrice: optional, hexadecimal value gas price, in wei, provided by the sender. The default is 0. Used only in non-EIP-1559 transactions. - maxPriorityFeePerGas: optional, maximum fee, in wei, the sender is willing to pay per gas above the base fee. See EIP-1559 transactions. If used, must specify maxFeePerGas. - maxFeePerGas: optional, maximum total fee (base fee + priority fee), in wei, the sender is willing to pay per gas. See EIP-1559 transactions. If used, must specify maxPriorityFeePerGas. - value: optional, hexadecimal of the value transferred, in wei. - data: optional, hash of the method signature and encoded parameters. See Ethereum contract ABI specification. - blockNrOrHash: BlockNumberOrHash, optional, a string representing a block number, block hash, or one of the string tags - latest - earliest - pending - finalized. Returns: result: object accessListResult: - accessList: A list of objects with the following fields: - address: Addresses to be accessed by the transaction. - storageKeys: Storage keys to be accessed by the transaction. - gasUsed: A hexadecimal string representing the approximate gas cost for the transaction if the access list is included. Example: ```shell curl -s -X POST -H "Content-Type: application/json" ${RPC} -d '{ "jsonrpc": "2.0", "id": 1001, "method": "eth_createAccessList", "params": [ { "from": "0x3bc5885c2941c5cda454bdb4a8c88aa7f248e312", "data": "0x20965255", "gasPrice": "0x3b9aca00", "gas": "0x3d0900", "to": "0x00f5f5f3a25f142fafd0af24a754fafa340f32c7" }, "latest" ] }' | jq ``` Response: ```json { "jsonrpc": "2.0", "id": 1001, "result": { "accessList": [], "gasUsed": "0x5318" } } ``` ## Method eth_etherbase The `etherbase` method returns the client coinbase address. The etherbase address is the account to pay mining rewards to. Parameters: None Returns: result: address Example: ```shell curl -s -X POST -H "Content-Type: application/json" ${RPC} -d '{ "jsonrpc": "2.0", "id": 1001, "method": "eth_etherbase" }' | jq ``` Response: ```json { "jsonrpc": "2.0", "id": 1001, "result": "0x077961a99e124088bc386c3183b369187c5be295" } ``` ## Method eth_estimateGas The `estimateGas` method generates and returns an estimate of how much gas is necessary to allow the transaction to complete. The transaction will not be added to the blockchain. Note that the estimate may be significantly more than the amount of gas actually used by the transaction, for a variety of reasons including EVM mechanics and node performance. Parameters: - args: object TransactionArgs, required - blockNrOrHash: object BlockNumberOrHash, optional - overrides: object StateOverride, optional Returns: result: uint64 Example: ```shell curl -s -X POST -H "Content-Type: application/json" ${RPC} -d '{ "jsonrpc": "2.0", "id": 1004, "method": "eth_estimateGas", "params": [ { "from": "0xD4CE02705041F04135f1949Bc835c1Fe0885513c", "to": "0x85f33E1242d87a875301312BD4EbaEe8876517BA", "value": "0x1" } ] }' | jq ``` Response: ```json { "jsonrpc": "2.0", "id": 1004, "result": "0x5208" } ``` ## Method eth_feeHistory The `feeHistory` returns transaction base fee per gas and effective priority fee per gas for the requested block range. Parameters: - blockCount math.HexOrDecimal64, required, Number of blocks in the requested range. Between 1 and 1024 blocks can be requested in a single query. If blocks in the specified block range are not available, then only the fee history for available blocks is returned. - lastBlock: BlockNumber, required, integer representing the highest number block of the requested range, or one of the string tags `latest`, `earliest`, or `pending`. - rewardPercentiles: array of integers, optional, a monotonically increasing list of percentile values to sample from each block's effective priority fees per gas in ascending order, weighted by gas used. Returns: result: object feeHistoryResult Example: ```shell curl -s -X POST -H "Content-Type: application/json" ${RPC} -d '{ "jsonrpc": "2.0", "id": 1004, "method": "eth_feeHistory", "params": [ "0x3", "latest", [20,50] ] }' | jq ``` Response: ```json { "jsonrpc": "2.0", "id": 1004, "result": { "oldestBlock": "0x580dca8", "reward": [ [ "0x333905980", "0x333905980" ], [ "0x333905980", "0x333905980" ], [ "0x333905980", "0x333905980" ] ], "baseFeePerGas": [ "0x0", "0x0", "0x0", "0x0" ], "gasUsedRatio": [ 7.032857142857143e-05, 0.0018736880952380953, 0.00014065714285714287 ] } } ``` ## Method eth_gasPrice The `gasPrice` method returns the current gas price in wei. Parameters: None. Returns: result: big.Int Example: ```shell curl -s -X POST -H "Content-Type: application/json" ${RPC} -d '{ "jsonrpc": "2.0", "id": 1003, "method": "eth_gasPrice" }' | jq ``` Response: ```json { "jsonrpc": "2.0", "id": 1003, "result": "0x2e90edd00" } ``` ## Method eth_getBalance The `getBalance` returns the balance of the account of a given address. The balance is in wei. Parameters: - address: address, required, a string representing the address (20 bytes) to check for balance. - blockNrOrHash: object BlockNumberOrHash, required, a hexadecimal block number, or one of the string tags latest, earliest, pending, or finalized. Returns: result: big.Int Example: ```shell curl -s -X POST -H "Content-Type: application/json" ${RPC} -d '{ "jsonrpc": "2.0", "id": 1003, "method": "eth_getBalance", "params": [ "0xD4CE02705041F04135f1949Bc835c1Fe0885513c", "latest" ] }' | jq ``` Response: ```json { "jsonrpc": "2.0", "id": 1003, "result": "0x38479c061d157125" } ``` ## Method eth_getBlockByHash The `getBlockByHash` returns information about a block whose hash is in the request. Parameters: - blockHash: hash, required, block hash - fullTx: bool, required, if true returns the full transaction objects, if false returns only the hashes of the transactions Returns: result: object Example: ```shell curl -s -X POST -H "Content-Type: application/json" ${RPC} -d '{ "jsonrpc": "2.0", "id": 1003, "method": "eth_getBlockByHash", "params": [ "0xb6fbeabaa5682445b825c5bb02faf9290a38be44d9a47834b65224478923ebce", true ] }' | jq ``` Response: ```json See [eth_getBlockByHash_response.json](eth_getBlockByHash_response.json) ``` ## Method eth_getBlockByNumber The `getBlockByNumber` method returns information about a block by block number. Parameters - blockNr: BlockNumber, integer of a block number, or the string "earliest", "latest", "pending", or "finalized", as in the default block parameter. - fullTx: bool, if true returns the full transaction objects, if false only the hashes of the transactions. result: object Example: ```shell curl -s -X POST -H "Content-Type: application/json" ${RPC} -d '{ "jsonrpc": "2.0", "id": 1001, "method": "eth_getBlockByNumber", "params": [ "latest", true ] }' | jq ``` Response: ```json See [eth_getBlockByNumber_response.json](eth_getBlockByNumber_response.json) ``` ## Method eth_getBlockReceipts The `getBlockReceipts` returns the block receipts for the given block hash or number or tag. Parameters: - blockNrOrHash: BlockNumberOrHash, required, hexadecimal or decimal integer representing a block number, or one of the string tags: - latest - earliest - pending - finalized note: pending returns the same data as latest. Returns: result: object, block object or null when there is no corresponding block. Example: ```shell curl -s -X POST -H "Content-Type: application/json" ${RPC} -d '{ "jsonrpc": "2.0", "id": 1004, "method": "eth_getBlockReceipts", "params": [ "latest" ] }' | jq ``` Response: ```json See [eth_getBlockReceipts_response.json](eth_getBlockReceipts_response.json) ``` ## Method eth_getBlockTransactionCountByHash The `getBlockTransactionCountByHash` method returns the number of transactions in the block with the given block hash. Parameters: - blockHash: hash, required, block hash Returns: result: uint, block transaction count Example: ```shell curl -s -X POST -H "Content-Type: application/json" ${RPC} -d '{ "jsonrpc": "2.0", "id": 1004, "method": "eth_getBlockTransactionCountByHash", "params": [ "0xb6fbeabaa5682445b825c5bb02faf9290a38be44d9a47834b65224478923ebce" ] }' | jq ``` Response: ```json { "jsonrpc": "2.0", "id": 1004, "result": "0x3" } ``` ## Method eth_getBlockTransactionCountByNumber The `getBlockTransactionCountByNumber` method returns the number of transactions in the block with the given block number. Parameters: - blockNr: BlockNumber, required, block number, or one of the string tags latest, earliest, pending, or finalized. Returns: result: uint, block transaction count Example: ```shell curl -s -X POST -H "Content-Type: application/json" ${RPC} -d '{ "jsonrpc": "2.0", "id": 1004, "method": "eth_getBlockTransactionCountByNumber", "params": [ "latest" ] }' | jq ``` Response: ```json { "jsonrpc": "2.0", "id": 1004, "result": "0x6" } ``` ## Method eth_getCode The `getCode` method returns the compiled byte code of a smart contract, if any, at a given address. Parameters: - address: address, required - blockNrOrHash: BlockNumberOrHash, required Returns: result: array of byte Example: ```shell curl -s -X POST -H "Content-Type: application/json" ${RPC} -d '{ "jsonrpc": "2.0", "id": 1004, "method": "eth_getCode", "params": [ "0x0000000000000000000000000000000000000088", "latest" ] }' | jq ``` Response: ```json See [eth_getCode_response.json](eth_getCode_response.json) ``` ## Method eth_getLogs The `getLogs` method returns an array of all the logs matching the given filter object. Parameters: - crit: ojbect FilterCriteria, a filter object containing the following: - address: optional, contract address (20 bytes) or a list of addresses from which logs should originate. - fromBlock: optional, default is "latest", a hexadecimal block number, or one of the string tags latest, earliest, pending, safe, or finalized. See the default block parameter. - toBlock: optional, default is "latest", a hexadecimal block number, or one of the string tags latest, earliest, pending, safe, or finalized. See the default block parameter. - topics: optional, array of 32 bytes DATA topics. Topics are order-dependent. - blockhash: optional, restricts the logs returned to the single block referenced in the 32-byte hash blockHash. Using blockHash is equivalent to setting fromBlock and toBlock to the block number referenced in the blockHash. If blockHash is present in the filter criteria, then neither fromBlock nor toBlock are allowed. Returns: result: array of Log Example: ```shell curl -s -X POST -H "Content-Type: application/json" ${RPC} -d '{ "jsonrpc": "2.0", "id": 1004, "method": "eth_getLogs", "params": [ { "address": "0x53350795c11cee781a7e174479778f848d76ab2a", "fromBlock": "0x22b2277", "toBlock": "0x21b2277", "topics": [ [ "0x8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925", "0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef", "0x6a12b3df6cba4203bd7fd06b816789f87de8c594299aed5717ae070fac781bac" ] ] } ] }' | jq ``` Response: ```json { "jsonrpc": "2.0", "id": 1004, "result": [] } ``` ## Method eth_getOwnerByCoinbase The `getOwnerByCoinbase` return masternode owner of the given coinbase address. Parameters: - coinbase: address, required, account - blockNr: BlockNumber, required, block number Returns: result: address Example: ```shell curl -s -X POST -H "Content-Type: application/json" ${RPC} -d '{ "jsonrpc": "2.0", "id": 1001, "method": "eth_getOwnerByCoinbase", "params": [ "0xD4CE02705041F04135f1949Bc835c1Fe0885513c", "latest" ] }' | jq ``` Response: ```json { "jsonrpc": "2.0", "id": 1001, "result": "0x0000000000000000000000000000000000000000" } ``` ## Method eth_getStorageAt The `getStorageAt` method returns the value from a storage position at a given address. Parameters: - address: address, required - key: string, required - blockNrOrHash: BlockNumberOrHash, required Returns: result: array of byte Example: ```shell curl -s -X POST -H "Content-Type: application/json" ${RPC} -d '{ "jsonrpc": "2.0", "id": 1001, "method": "eth_getStorageAt", "params": [ "0xfe3b557e8fb62b89f4916b721be55ceb828dbd73", "0x0", "latest" ], }' | jq ``` Response: ```json { "jsonrpc": "2.0", "id": 1001, "result": "0x0000000000000000000000000000000000000000000000000000000000000000" } ``` ## Method eth_getRawTransactionByBlockHashAndIndex Teh `getRawTransactionByBlockHashAndIndex` method returns the bytes of the transaction for the given block hash and index. Parameters: - blockHash: hash, required, block hash - index: uint, required, transaction index Returns: result: object Example: ```shell curl -s -X POST -H "Content-Type: application/json" ${RPC} -d '{ "jsonrpc": "2.0", "id": 1001, "method": "eth_getRawTransactionByBlockHashAndIndex", "params": [ "0xb6fbeabaa5682445b825c5bb02faf9290a38be44d9a47834b65224478923ebce", "0x0" ] }' | jq ``` Response: ```json { "jsonrpc": "2.0", "id": 1001, "result": "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" } ``` ## Method eth_getRawTransactionByBlockNumberAndIndex The `getRawTransactionByBlockNumberAndIndex` returns the bytes of the transaction for the given block number and index. Parameters: - blockNr: BlockNumber, required, blcok number - index: uint, required, transaction index Returns: result: object Example: ```shell curl -s -X POST -H "Content-Type: application/json" ${RPC} -d '{ "jsonrpc": "2.0", "id": 1001, "method": "eth_getRawTransactionByBlockNumberAndIndex", "params": [ "latest","0x0" ] }' | jq ``` Response: ```json { "jsonrpc": "2.0", "id": 1001, "result": "0xf86d808506fc23ac008261a894fbeeebf296a1eb603544ad2861f7f629217d6cff881bae52266f39c400808188a0529fb389ebe066852e0bc0251497b7663860147deb553e93560c593d742d3881a014556772149e85ab5031e4690db7c1a00c37f223fa6b408b2515c0fab8e040d9" } ``` ## Method eth_getRawTransactionByHash The `getRawTransactionByHash` method returns the bytes of the transaction for the given hash. Parameters: - hash, required, transaction hash Returns: result: array of byte Example: ```shell curl -s -X POST -H "Content-Type: application/json" ${RPC} -d '{ "jsonrpc": "2.0", "id": 1001, "method": "eth_getRawTransactionByHash", "params": [ "0x5bbcde52084defa9d1c7068a811363cc27a25c80d7e495180964673aa5f47687" ] }' | jq ``` Response: ```json { "jsonrpc": "2.0", "id": 1001, "result": "0x" } ``` ## Method eth_getRewardByHash The `getRewardByHash` method returns the reward by block hash. Parameters: - hash, required, block hash Returns: result: object Example: ```shell curl -s -X POST -H "Content-Type: application/json" ${RPC} -d '{ "jsonrpc": "2.0", "id": 1001, "method": "eth_getRewardByHash", "params": [ "0xb6fbeabaa5682445b825c5bb02faf9290a38be44d9a47834b65224478923ebce" ] }' | jq ``` Response: ```json { "jsonrpc": "2.0", "id": 1001, "result": null } ``` ## Method eth_getTransactionAndReceiptProof The `getTransactionAndReceiptProof` method returns the Trie transaction and receipt proof of the given transaction hash. Parameters: - hash, required, transaction hash Returns: result: object Example: ```shell curl -s -X POST -H "Content-Type: application/json" ${RPC} -d '{ "jsonrpc": "2.0", "id": 1001, "method": "eth_getTransactionAndReceiptProof", "params": [ "0xbf83342ccdd6592eff8e2acfed87e23e852d684a4e2cfade89ba3b304c2b66a9" ] }' | jq ``` Response: ```json { "jsonrpc": "2.0", "id": 1001, "result": { "blockHash": "0xb6fbeabaa5682445b825c5bb02faf9290a38be44d9a47834b65224478923ebce", "key": "0x80", "receiptProofKeys": [ "0x473f2a6554298d1b72b3a73e266bee07f5f93509534f716428cf3d233bb25ec7", "0xf8487e8af578fb2cc3fef425f28cbb15fab131e3557eb67874f1a80e7fc1a9f5" ], "receiptProofValues": [ "0xf851a068bb429e7d2063f286c6091187ce9c7d2147c2644efd9a8944934a6dc14f50be80808080808080a0f8487e8af578fb2cc3fef425f28cbb15fab131e3557eb67874f1a80e7fc1a9f58080808080808080", "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" ], "receiptRoot": "0x473f2a6554298d1b72b3a73e266bee07f5f93509534f716428cf3d233bb25ec7", "txProofKeys": [ "0xa417362c60be564f32c58a2134c4a96ae7667d170537c58a207e95faaf37fae9", "0x254e83386c61197750483c05b48b21e2d356827082cade0d9107d6015e2f28a5" ], "txProofValues": [ "0xf851a024f4fd8be1fcb465204601a37ba06036414fae5bdbf213c0d3e778da088e5d1280808080808080a0254e83386c61197750483c05b48b21e2d356827082cade0d9107d6015e2f28a58080808080808080", "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" ], "txRoot": "0xa417362c60be564f32c58a2134c4a96ae7667d170537c58a207e95faaf37fae9" } } ``` ## Method eth_getTransactionByBlockHashAndIndex The `getTransactionByBlockHashAndIndex` method returns information about a transaction given block hash and transaction index position. Parameters: - blockHash: hash, required, a string representing the hash (32 bytes) of a block - index: uint, required, a hexadecimal of the integer representing the position in the block Returns: result: object RPCTransaction Example: ```shell curl -s -X POST -H "Content-Type: application/json" ${RPC} -d '{ "jsonrpc": "2.0", "id": 1001, "method": "eth_getTransactionByBlockHashAndIndex", "params": [ "0xb6fbeabaa5682445b825c5bb02faf9290a38be44d9a47834b65224478923ebce", "0x0" ] }' | jq ``` Response: ```json { "jsonrpc": "2.0", "id": 1001, "result": { "blockHash": "0xb6fbeabaa5682445b825c5bb02faf9290a38be44d9a47834b65224478923ebce", "blockNumber": "0x548f4f1", "from": "0xd844d373f4ef676665fcc18d9b6c89464a36f2d2", "gas": "0xf4240", "gasPrice": "0x37e11d600", "hash": "0xbf83342ccdd6592eff8e2acfed87e23e852d684a4e2cfade89ba3b304c2b66a9", "input": "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", "nonce": "0x5e8f", "to": "0xecf4ea7907e779b8a7d0f90cb95fe06f43b610fb", "transactionIndex": "0x0", "value": "0x0", "type": "0x0", "v": "0x88", "r": "0x5b1d0e4565493e5f815e26d622c6b9f5c7f23e269eac6ed950446ff7a10e3197", "s": "0x25df537fe481c63c7defaaaccdd91105a0088f720789ecf5728460a4c3c0fc2" } } ``` ## Method eth_getTransactionByBlockNumberAndIndex The `getTransactionByBlockNumberAndIndex` method returns information about a transaction given block number and transaction index position. Parameters: - blockNr: BlockNumber, required, a hexadecimal block number, or one of the string tags latest, earliest, pending, or finalized - index: uint, required, a hexadecimal of the integer representing the position in the block Returns: result: object RPCTransaction Example: ```shell curl -s -X POST -H "Content-Type: application/json" ${RPC} -d '{ "jsonrpc": "2.0", "id": 1001, "method": "eth_getTransactionByBlockNumberAndIndex", "params": [ "0x548f4f1", "0x0" ] }' | jq ``` Response: ```json { "jsonrpc": "2.0", "id": 1001, "result": { "blockHash": "0xb6fbeabaa5682445b825c5bb02faf9290a38be44d9a47834b65224478923ebce", "blockNumber": "0x548f4f1", "from": "0xd844d373f4ef676665fcc18d9b6c89464a36f2d2", "gas": "0xf4240", "gasPrice": "0x37e11d600", "hash": "0xbf83342ccdd6592eff8e2acfed87e23e852d684a4e2cfade89ba3b304c2b66a9", "input": "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", "nonce": "0x5e8f", "to": "0xecf4ea7907e779b8a7d0f90cb95fe06f43b610fb", "transactionIndex": "0x0", "value": "0x0", "type": "0x0", "v": "0x88", "r": "0x5b1d0e4565493e5f815e26d622c6b9f5c7f23e269eac6ed950446ff7a10e3197", "s": "0x25df537fe481c63c7defaaaccdd91105a0088f720789ecf5728460a4c3c0fc2" } } ``` ## Method eth_getTransactionByHash The `getTransactionByHash` method returns information about a transaction for a given hash. Parameters: - hash: hash, required, a string representing the hash (32 bytes) of a transaction Returns: result: object RPCTransaction Example: ```shell curl -s -X POST -H "Content-Type: application/json" ${RPC} -d '{ "jsonrpc": "2.0", "id": 1001, "method": "eth_getTransactionByHash", "params": [ "0xbf83342ccdd6592eff8e2acfed87e23e852d684a4e2cfade89ba3b304c2b66a9" ] }' | jq ``` Response: ```json { "jsonrpc": "2.0", "id": 1001, "result": { "blockHash": "0xb6fbeabaa5682445b825c5bb02faf9290a38be44d9a47834b65224478923ebce", "blockNumber": "0x548f4f1", "from": "0xd844d373f4ef676665fcc18d9b6c89464a36f2d2", "gas": "0xf4240", "gasPrice": "0x37e11d600", "hash": "0xbf83342ccdd6592eff8e2acfed87e23e852d684a4e2cfade89ba3b304c2b66a9", "input": "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", "nonce": "0x5e8f", "to": "0xecf4ea7907e779b8a7d0f90cb95fe06f43b610fb", "transactionIndex": "0x0", "value": "0x0", "type": "0x0", "v": "0x88", "r": "0x5b1d0e4565493e5f815e26d622c6b9f5c7f23e269eac6ed950446ff7a10e3197", "s": "0x25df537fe481c63c7defaaaccdd91105a0088f720789ecf5728460a4c3c0fc2" } } ``` ## Method eth_getTransactionCount The `getTransactionCount` method returns the number of transactions sent from an address. Parameters: - address: address, required, a string representing the address (20 bytes) - blockNrOrHash: BlockNumberOrHash, required, a hexadecimal block number, or one of the string tags latest, earliest, pending, or finalized. Returns: result: uint64 Example: ```shell curl -s -X POST -H "Content-Type: application/json" ${RPC} -d '{ "jsonrpc": "2.0", "id": 1001, "method": "eth_getTransactionCount", "params": [ "0xD4CE02705041F04135f1949Bc835c1Fe0885513c", "latest" ] }' | jq ``` Response: ```json { "jsonrpc": "2.0", "id": 1001, "result": "0x1" } ``` ## Method eth_getTransactionReceipt The `getTransactionReceipt` method returns the receipt of a transaction given transaction hash. Note that the receipt is not available for pending transactions. Parameters: - hash: hash, required, a string representing the hash (32 bytes) of a transaction Returns: result: object Example: ```shell curl -s -X POST -H "Content-Type: application/json" ${RPC} -d '{ "jsonrpc": "2.0", "id": 5002, "method": "eth_getTransactionReceipt", "params": [ "0xbf83342ccdd6592eff8e2acfed87e23e852d684a4e2cfade89ba3b304c2b66a9" ] }' | jq ``` Response: See [eth_getTransactionReceipt_response.json](./eth_getTransactionReceipt_response.json) ## Method eth_getUncleByBlockHashAndIndex The `getUncleByBlockHashAndIndex` method returns information about an uncle of a block given the block hash and the uncle index position. Parameters: - blockHash: hash, required, a string representing the hash (32 bytes) of a block. - index: uint, required, a hexadecimal equivalent of the integer indicating the uncle's index position. Returns: result: object Example: ```shell curl -s -X POST -H "Content-Type: application/json" ${RPC} -d '{ "jsonrpc": "2.0", "id": 5002, "method": "eth_getUncleByBlockHashAndIndex", "params": [ "0xb6fbeabaa5682445b825c5bb02faf9290a38be44d9a47834b65224478923ebce", "0x0" ] }' | jq ``` Response: ```json { "jsonrpc": "2.0", "id": 5002, "result": null } ``` ## Method eth_getUncleByBlockNumberAndIndex The `getUncleByBlockNumberAndIndex` method returns information about an uncle of a block given the block number and the uncle index position. Parameters: - blockNr: BlockNumber, required, a hexadecimal block number, or one of the string tags latest, earliest, pending, or finalized - index: uint, required, a hexadecimal equivalent of the integer indicating the uncle's index position Returns: result: object Example: ```shell curl -s -X POST -H "Content-Type: application/json" ${RPC} -d '{ "jsonrpc": "2.0", "id": 5002, "method": "eth_getUncleByBlockNumberAndIndex", "params": [ "0x548f4f1", "0x0" ] }' | jq ``` Response: ```json { "jsonrpc": "2.0", "id": 5002, "result": null } ``` ## Method eth_getUncleCountByBlockHash The `getUncleCountByBlockHash` method returns the number of uncles in a block from a block matching the given block hash. Parameters: - blockHash: hash, required, a string representing the hash (32 bytes) of a block Returns: result: uint Example: ```shell curl -s -X POST -H "Content-Type: application/json" ${RPC} -d '{ "jsonrpc": "2.0", "id": 5002, "method": "eth_getUncleCountByBlockHash", "params": [ "0xb6fbeabaa5682445b825c5bb02faf9290a38be44d9a47834b65224478923ebce" ] }' | jq ``` Response: ```json { "jsonrpc": "2.0", "id": 5002, "result": "0x0" } ``` ## Method eth_getUncleCountByBlockNumber The `getUncleCountByBlockNumber` method returns the number of uncles in a block from a block matching the given block number. Parameters: - blockNr: BlockNumber, required, a hexadecimal block number, or one of the string tags latest, earliest, pending, or finalized Returns: result: uint Example: ```shell curl -s -X POST -H "Content-Type: application/json" ${RPC} -d '{ "jsonrpc": "2.0", "id": 5002, "method": "eth_getUncleCountByBlockNumber", "params": [ "latest" ] }' | jq ``` Response: ```json { "jsonrpc": "2.0", "id": 5002, "result": "0x0" } ``` ## Method eth_getWork The `getWork` method returns the hash of the current block, the seed hash, and the boundary condition to be met ("target"). Parameters: None Returns: result: array of string, with the following properties: - Current block header PoW-hash (32 bytes). - The seed hash used for the DAG (32 bytes). - The boundary condition ("target") (32 bytes), 2^256 / difficulty. Example: ```shell curl -s -X POST -H "Content-Type: application/json" ${RPC} -d '{ "jsonrpc": "2.0", "id": 5002, "method": "eth_getWork" }' | jq ``` Response: ```json ``` ## Method eth_hashrate The `hashrate` method returns the number of hashes per second that the node is mining with. Only applicable when the node is mining. Parameters: None Returns: result: uint64 Example: ```shell curl -s -X POST -H "Content-Type: application/json" ${RPC} -d '{ "jsonrpc": "2.0", "id": 5002, "method": "eth_hashrate" }' | jq ``` Response: ```json { "jsonrpc": "2.0", "id": 5002, "result": "0x0" } ``` ## Method eth_maxPriorityFeePerGas The `maxPriorityFeePerGas` method returns an estimate of how much priority fee, in wei, you need to be included in a block. Parameters: None Returns result: big.Int, a hexadecimal value of the priority fee, in wei, needed to be included in a block. Example: ```shell curl -s -X POST -H "Content-Type: application/json" ${RPC} -d '{ "jsonrpc": "2.0", "id": 1002, "method": "eth_maxPriorityFeePerGas" }' | jq ``` Response: ```json { "jsonrpc": "2.0", "id": 1002, "result": "0x333905980" } ``` ## Method eth_mining The `mining` method returns true if client is actively mining new blocks. Parameters: None Returns result: bool Example: ```shell curl -s -X POST -H "Content-Type: application/json" ${RPC} -d '{ "jsonrpc": "2.0", "id": 5002, "method": "eth_mining" }' | jq ``` Response: ```json { "jsonrpc": "2.0", "id": 5002, "result": false } ``` ## Method eth_pendingTransactions The `pendingTransactions` returns the transactions that are in the transaction pool and have a from address that is one of the accounts this node manages. Parameters: None Returns: result: array of RPCTransaction Example: ```shell curl -s -X POST -H "Content-Type: application/json" ${RPC} -d '{ "jsonrpc": "2.0", "id": 1004, "method": "eth_pendingTransactions" }' | jq ``` Response: ```json { "jsonrpc": "2.0", "id": 1004, "result": [] } ``` ## Method eth_protocolVersion The `protocolVersion` method returns the current Ethereum protocol version. Parameters: None Returns: result: uint Example: ```shell curl -s -X POST -H "Content-Type: application/json" ${RPC} -d '{ "jsonrpc": "2.0", "id": 1004, "method": "eth_protocolVersion" }' | jq ``` Response: ```json { "jsonrpc": "2.0", "id": 1004, "result": "0x64" } ``` ## Method eth_resend The `resend` method accepts an existing transaction and a new gas price and limit. It will remove the given transaction from the pool and reinsert it with the new gas price and limit. Parameters: - sendArgs: object TransactionArgs, required, the arguments to construct a new transaction - gasPrice: big.Int, optional, gas price - gasLimit: uint64, optional, gas limit Returns: result: hash, transaction hash Example: ```shell curl -s -X POST -H "Content-Type: application/json" ${RPC} -d '{ "jsonrpc": "2.0", "id": 1001, "method": "eth_resend", "params":[ { "from": "0xca7a99380131e6c76cfa622396347107aeedca2d", "to": "0x8c9f4468ae04fb3d79c80f6eacf0e4e1dd21deee", "value": "0x1", "gas": "0x9999", "maxFeePerGas": "0x5d21dba00", "maxPriorityPerGas": "0x5d21dba00" }, "0x5d21dba99", "0x5d21dba99" ] }' | jq ``` Response: ```json { "jsonrpc": "2.0", "id": 1001, "result": "0x85d995eba9763907fdf35cd2034144dd9d53ce4c7f567f1d9592d67e8c5e3c3b" } ``` ## Method eth_sendRawTransaction The `sendRawTransaction` method submits a pre-signed transaction for broadcast to the Ethereum network. Parameters: - input: array of byte Returns: result: hash Example: ```shell curl -s -X POST -H "Content-Type: application/json" ${RPC} -d '{ "jsonrpc": "2.0", "id": 1001, "method": "eth_sendRawTransaction", "params":[ "0xd46e8dd67c5d32be8d46e8dd67c5d32be8058bb8eb970870f072445675058bb8eb970870f072445675" ] }' | jq ``` Response: ```json { "jsonrpc": "2.0", "id": 1001, "result": "0x85d995eba9763907fdf35cd2034144dd9d53ce4c7f567f1d9592d67e8c5e3c3b" } ``` ## Method eth_sendTransaction The `sendTransaction` method creates new message call transaction or a contract creation, if the data field contains code, and signs it using the account specified in from. Parameters: - args: object TransactionArgs Returns: result: hash Example: ```shell curl -s -X POST -H "Content-Type: application/json" ${RPC} -d '{ "jsonrpc": "2.0", "id": 1001, "method": "eth_sendTransaction", "params":[ { from: "0xb60e8dd61c5d32be8058bb8eb970870f07233155", to: "0xd46e8dd67c5d32be8058bb8eb970870f07244567", gas: "0x76c0", gasPrice: "0x9184e72a000", value: "0x9184e72a", input: "0xd46e8dd67c5d32be8d46e8dd67c5d32be8058bb8eb970870f072445675058bb8eb970870f072445675" } ] }' | jq ``` Response: ```json { "jsonrpc": "2.0", "id": 1001, "result": "0x85d995eba9763907fdf35cd2034144dd9d53ce4c7f567f1d9592d67e8c5e3c3b" } ``` ## Method eth_sign The `sign` method calculates an Ethereum specific signature with: `sign(keccak256("\x19Ethereum Signed Message:\n" + len(message) + message)))`. By adding a prefix to the message makes the calculated signature recognizable as an Ethereum specific signature. This prevents misuse where a malicious dapp can sign arbitrary data (e.g. transaction) and use the signature to impersonate the victim. Note: the address to sign with must be unlocked. Parameters: - addr: address, required, account address - data: array of byte, required, message to sign Returns: result: array of byte Example: ```shell curl -s -X POST -H "Content-Type: application/json" ${RPC} -d '{ "jsonrpc": "2.0", "id": 1001, "method": "eth_sign", "params":[ "0xD4CE02705041F04135f1949Bc835c1Fe0885513c", "0x1234abcd" ] }' | jq ``` Response: ```json { "id":1, "jsonrpc": "2.0", "result": "0xa3f20717a250c2b0b729b7e5becbff67fdaef7e0699da4de7ca5895b02a170a12d887fd3b17bfdce3481f10bea41f45ba9f709d39ce8325427b57afcfc994cee1b" } ``` ## Method eth_signTransaction The `signTransaction` method signs a transaction that can be submitted to the network at a later time using with `eth_sendRawTransaction`. Parameters: - args: object TransactionArgs, required - nonce: uint64, optional, anti-replay parameter - to: address, optional, recipient address, or null if this is a contract creation transaction - from: address, required, sender address - value: big.Int, optional, value to be transferred, in wei - data: array of byte, optional, compiled code of a contract or hash of the invoked method signature and encoded parameters - input: same as data - gas: uint64, optional, gas provided by the sender - gasPrice: big.Int, optional, gas price, in wei, provided by the sender - maxPriorityFeePerGas: big.Int, optional, maximum fee, in wei, the sender is willing to pay per gas above the base fee - maxFeePerGas: big.Int, optional, maximum total fee (base fee + priority fee), in wei, the sender is willing to pay per gas. - accessList: array of object, optional, list of addresses and storage keys the transaction plans to access - chainId: big.Int, optional, chain ID Returns: result: object SignTransactionResult Example: ```shell curl -s -X POST -H "Content-Type: application/json" ${RPC} -d '{ "jsonrpc": "2.0", "id": 1001, "method": "eth_signTransaction", "params": [ { "data":"0xd46e8dd67c5d32be8d46e8dd67c5d32be8058bb8eb970870f072445675058bb8eb970870f072445675", "from": "0xb60e8dd61c5d32be8058bb8eb970870f07233155", "gas": "0x76c0", "gasPrice": "0x9184e72a000", "to": "0xd46e8dd67c5d32be8058bb8eb970870f07244567", "value": "0x9184e72a" "nonce":"0x1" } ] }' | jq ``` Response: ```json { "v": "0x1", "r": "0x51991c5099327d3c7eaa745de60c52a93555e5cbc418eb9b405fe92d986dee08", "s": "0x65b1d20a39360c31de69f872244e23a3549b702e11bc7d8eb3586812ac62be8d" } ``` ## Method eth_submitWork The `submitWork` method can be used by external miner to submit their POW solution. It returns an indication if the work was accepted. Note, this is not an indication if the provided work was valid! Parameters: - nonce: BlockNonce, required - solution: hash, required - digest: hash, required Returns: result: bool Example: ```shell curl -s -X POST -H "Content-Type: application/json" ${RPC} -d '{ "jsonrpc": "2.0", "id": 1001, "method": "eth_submitWork", "params": [ "0x0000000000000001", "0x1234567890abcdef1234567890abcdef1234567890abcdef1234567890abcdef", "0xD1FE5700000000000000000000000000D1FE5700000000000000000000000000" ] }' | jq ``` Response: ```json { "jsonrpc": "2.0", "id": 1001, "result": false } ``` ## Method eth_syncing The `syncing` method returns an object with data about the sync status or false. Parameters: None Returns: result: bool Example: ```shell curl -s -X POST -H "Content-Type: application/json" ${RPC} -d '{ "jsonrpc": "2.0", "id": 1001, "method": "eth_syncing" }' | jq ``` Response: ```json { "jsonrpc": "2.0", "id": 1001, "result": false } ``` ## Method Filter methods ## Method# eth_getFilterChanges The `getFilterChanges` method polling method for a filter, which returns an array of logs which occurred since the last poll. Filter must be created by calling either `eth_newFilter` or `eth_newBlockFilter`. Parameters: - id: string, required, a string denoting the filter ID Returns: result: object Example: ```shell curl -s -X POST -H "Content-Type: application/json" ${RPC} -d '{ "jsonrpc": "2.0", "id": 1001, "method": "eth_getFilterChanges", "params": [ "0x68ce60ffdb0c9480c307b0c3d2ae9391" ] }' | jq ``` Response: ```json { "jsonrpc": "2.0", "id": 1001, "result": [] } ``` ## Method# eth_getFilterLogs The `getFilterLogs` method returns an array of all logs matching the filter with the given filter ID. Parameters: - id: string, required, a string denoting the filter ID Returns: result: array of Log, Log objects contain the following keys and their values: - address: Address from which this log originated. - blockHash: The hash of the block where this log was in. null when it's a pending log. - blockNumber: The block number where this log was in. null when it's a pending log. - data: DATA. Contains the non-indexed arguments of the log. - logIndex: A hexadecimal of the log index position in the block. null when it is a pending log. - removed: true when the log was removed, due to a chain reorganization. false if it's a valid log. - topics: Array of DATA. An array of 0 to 4 32-bytes DATA of indexed log arguments. In Solidity the first topic is the hash of the signature of the event (for example, Deposit(address,bytes32,uint256)), except when you declared the event with the anonymous specifier. - transactionHash: A hash of the transactions from which this log was created. null when it's a pending log. - transactionIndex: A hexadecimal of the transactions index position from which this log was created. null when it's a pending log. Example: ```shell curl -s -X POST -H "Content-Type: application/json" ${RPC} -d '{ "jsonrpc": "2.0", "id": 1001, "method": "eth_getFilterLogs", "params": [ "0x68ce60ffdb0c9480c307b0c3d2ae9391" ] }' | jq ``` ## Method eth_newBlockFilter The `newBlockFilter` method creates a filter in the node, to notify when a new block arrives. To check if the state has changed, call `eth_getFilterChanges`. Parameters: None Returns: result: string Example: ```shell curl -s -X POST -H "Content-Type: application/json" ${RPC} -d '{ "jsonrpc": "2.0", "id": 1001, "method": "eth_newBlockFilter" }' | jq ``` Response: ```json { "jsonrpc": "2.0", "id": 1001, "result": "0x2b5dddffaad1435838168a59fd0b7bd0" } ``` ### Method eth_newFilter The `newFilter` method creates a filter object based on the given filter options, to notify when the state changes (logs). To check if the state has changed, call `eth_getFilterChanges`. Parameters: - crit: ojbect FilterCriteria, a filter object with the following keys and their values: - address: optional, a contract address or a list of addresses from which logs should originate. - fromBlock: optional, default is latest, a hexadecimal block number, or one of the string tags latest, earliest, pending, safe, or finalized. See the default block parameter. - toBlock: optional, default is latest, a hexadecimal block number, or one of the string tags latest, earliest, pending, safe, or finalized. See the default block parameter. - topics: aoptional, an array of 32 bytes DATA topics. Topics are order-dependent. Returns: result: string Example: ```shell curl -s -X POST -H "Content-Type: application/json" ${RPC} -d '{ "jsonrpc": "2.0", "id": 1001, "method": "eth_newFilter", "params": [ { "fromBlock": "0x2bb7231", "toBlock": "0x2bb7233" } ] }' | jq ``` Response: ```json { "jsonrpc": "2.0", "id": 1001, "result": "0x28e04254af38edfd1925af411eb8b6b1" } ``` ## Method eth_newPendingTransactionFilter The `newPendingTransactionFilter` method creates a filter in the node, to notify when new pending transactions arrive. To check if the state has changed, call `eth_getFilterChanges`. Parameters: None Returns: result: string Example: ```shell curl -s -X POST -H "Content-Type: application/json" ${RPC} -d '{ "jsonrpc": "2.0", "id": 1001, "method": "eth_newPendingTransactionFilter" }' | jq ``` Response: ```json { "jsonrpc": "2.0", "id": 1001, "result": "0x6c6a174e72b1d72d44f3b212269bfcf8" } ``` ### Method eth_uninstallFilter The `uninstallFilter` method uninstalls a filter with given ID. This method should always be called when watching is no longer needed. Additionally, filters time out when they aren't requested with `eth_getFilterChanges` for a period of time. Parameters: - id: string, required, a string denoting the ID of the filter to be uninstalled. Returns: result: bool, true if the filter was successfully uninstalled, otherwise false Example: ```shell curl -s -X POST -H "Content-Type: application/json" ${RPC} -d '{ "jsonrpc": "2.0", "id": 1001, "method": "eth_uninstallFilter", "params": [ "0x43f0c93bf463861b7c15a5d11d402d9b" ] }' | jq ``` Response: ```json { "jsonrpc": "2.0", "id": 1001, "result": false } ```