InitErrors

Set of possible errors when starting the client.

Allocator.Error || std.Thread.SpawnError || error{ InvalidNetworkConfig, InvalidIPCPath, FailedToConnect }

ReadLoopErrors

Set of possible errors when reading from the socket.

SetSockOptError || error{ FailedToJsonParseResponse, Closed, InvalidTypeMessage, UnexpectedError }

SendRpcRequestErrors

Set of possible errors when send a rpc request.

Allocator.Error || EthereumZigErrors || std.posix.WriteError || ParseFromValueError || error{ReachedMaxRetryLimit}

BasicRequestErrors

Set of generic errors when sending a rpc request.

SendRpcRequestErrors || error{NoSpaceLeft}

InitOptions

Set of intial options for the IPC Client.

Properties

struct {
  /// Allocator to use to create the ChildProcess and other allocations
  allocator: Allocator
  /// The reader buffer growth rate
  growth_rate: ?usize = null
  /// The target chains config.
  network_config: NetworkConfig
  /// Callback function for when the connection is closed.
  onClose: ?*const fn () void = null
  /// Callback function for everytime an event is parsed.
  onEvent: ?*const fn (args: JsonParsed(Value)) anyerror!void = null
  /// Callback function for everytime an error is caught.
  onError: ?*const fn (args: []const u8) anyerror!void = null
}

Init

Starts the IPC client and create the connection.

This will also start the read loop in a seperate thread.

 var client = try IPC.init(.{
    .allocator = testing.allocator,
    .network_config = .{
        .endpoint = .{ .path = "/tmp/anvil.ipc" },
    },
 });
 defer client.deinit();

Signature

pub fn init(opts: InitOptions) InitErrors!*IPC

Deinit

Clears memory, closes the stream and destroys any previously created pointers.

All future calls will deadlock.

Signature

pub fn deinit(self: *IPC) void

Connect

Connects to the socket. Will try to reconnect in case of failures.
Fails when match retries are reached or a invalid ipc path is provided

Signature

pub fn connect(self: *IPC, path: []const u8) error{ InvalidIPCPath, FailedToConnect }!Stream

BlobBaseFee

Grabs the current base blob fee.

RPC Method: eth_blobBaseFee

Signature

pub fn blobBaseFee(self: *IPC) BasicRequestErrors!RPCResponse(Gwei)

CreateAccessList

Create an accessList of addresses and storageKeys for an transaction to access

RPC Method: eth_createAccessList

Signature

pub fn createAccessList(self: *IPC, call_object: EthCall, opts: BlockNumberRequest) BasicRequestErrors!RPCResponse(AccessListResult)

EstimateBlobMaxFeePerGas

Estimate the gas used for blobs Uses blobBaseFee and gasPrice to calculate this estimation

Signature

pub fn estimateBlobMaxFeePerGas(self: *IPC) BasicRequestErrors!Gwei

EstimateFeesPerGas

Estimate maxPriorityFeePerGas and maxFeePerGas. Will make more than one network request. Uses the baseFeePerGas included in the block to calculate the gas fees. Will return an error in case the baseFeePerGas is null.

Signature

pub fn estimateFeesPerGas(
    self: *IPC,
    call_object: EthCall,
    base_fee_per_gas: ?Gwei,
) (BasicRequestErrors || error{ InvalidBlockNumber, UnableToFetchFeeInfoFromBlock })!EstimateFeeReturn

EstimateGas

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.

RPC Method: eth_estimateGas

Signature

pub fn estimateGas(self: *IPC, call_object: EthCall, opts: BlockNumberRequest) BasicRequestErrors!RPCResponse(Gwei)

EstimateMaxFeePerGasManual

Estimates maxPriorityFeePerGas manually. If the node you are currently using supports eth_maxPriorityFeePerGas consider using estimateMaxFeePerGas.

Signature

pub fn estimateMaxFeePerGasManual(
    self: *IPC,
    base_fee_per_gas: ?Gwei,
) (BasicRequestErrors || error{ InvalidBlockNumber, UnableToFetchFeeInfoFromBlock })!Gwei

EstimateMaxFeePerGas

Only use this if the node you are currently using supports eth_maxPriorityFeePerGas.

Signature

pub fn estimateMaxFeePerGas(self: *IPC) BasicRequestErrors!RPCResponse(Gwei)

FeeHistory

Returns historical gas information, allowing you to track trends over time.

RPC Method: eth_feeHistory

Signature

pub fn feeHistory(
    self: *IPC,
    blockCount: u64,
    newest_block: BlockNumberRequest,
    reward_percentil: ?[]const f64,
) BasicRequestErrors!RPCResponse(FeeHistory)

GetAccounts

Returns a list of addresses owned by client.

RPC Method: eth_accounts

Signature

pub fn getAccounts(self: *IPC) BasicRequestErrors!RPCResponse([]const Address)

GetAddressBalance

Returns the balance of the account of given address.

RPC Method: eth_getBalance

Signature

pub fn getAddressBalance(self: *IPC, opts: BalanceRequest) BasicRequestErrors!RPCResponse(Wei)

GetAddressTransactionCount

Returns the number of transactions sent from an address.

RPC Method: eth_getTransactionCount

Signature

pub fn getAddressTransactionCount(self: *IPC, opts: BalanceRequest) BasicRequestErrors!RPCResponse(u64)

GetBlockByHash

Returns the number of most recent block.

RPC Method: eth_getBlockByHash

Signature

pub fn getBlockByHash(self: *IPC, opts: BlockHashRequest) (BasicRequestErrors || error{InvalidBlockHash})!RPCResponse(Block)

GetBlockByHashType

Returns information about a block by hash.

Use this if the provided block type doesnt fit the expected object that it's returned from the endpoint and you know exactly the shape that the data will be in.

RPC Method: eth_getBlockByHash

Signature

pub fn getBlockByHashType(
    self: *IPC,
    comptime T: type,
    opts: BlockHashRequest,
) (BasicRequestErrors || error{InvalidBlockHash})!RPCResponse(T)

GetBlockByNumber

Returns information about a block by number.

RPC Method: eth_getBlockByNumber

Signature

pub fn getBlockByNumber(self: *IPC, opts: BlockRequest) (BasicRequestErrors || error{InvalidBlockNumber})!RPCResponse(Block)

GetBlockByNumberType

Returns information about a block by number.

Ask for a expected type since the way that our json parser works on unions it will try to parse it until it can complete it for a union member. This can be slow so if you know exactly what is the expected type you can pass it and it will return the json parsed response.

RPC Method: eth_getBlockByNumber

Signature

pub fn getBlockByNumberType(
    self: *IPC,
    comptime T: type,
    opts: BlockRequest,
) (BasicRequestErrors || error{InvalidBlockNumber})!RPCResponse(T)

GetBlockNumber

Returns the number of transactions in a block from a block matching the given block number.

RPC Method: eth_blockNumber

Signature

pub fn getBlockNumber(self: *IPC) BasicRequestErrors!RPCResponse(u64)

GetBlockTransactionCountByHash

Returns the number of transactions in a block from a block matching the given block hash.

RPC Method: eth_getBlockTransactionCountByHash

Signature

pub fn getBlockTransactionCountByHash(self: *IPC, block_hash: Hash) BasicRequestErrors!RPCResponse(usize)

GetBlockTransactionCountByNumber

Returns the number of transactions in a block from a block matching the given block number.

RPC Method: eth_getBlockTransactionCountByNumber

Signature

pub fn getBlockTransactionCountByNumber(self: *IPC, opts: BlockNumberRequest) BasicRequestErrors!RPCResponse(usize)

GetChainId

Returns the chain ID used for signing replay-protected transactions.

RPC Method: eth_chainId

Signature

pub fn getChainId(self: *IPC) BasicRequestErrors!RPCResponse(usize)

GetClientVersion

Returns the node's client version

RPC Method: web3_clientVersion

Signature

pub fn getClientVersion(self: *IPC) BasicRequestErrors!RPCResponse([]const u8)

GetContractCode

Returns code at a given address.

RPC Method: eth_getCode

Signature

pub fn getContractCode(self: *IPC, opts: BalanceRequest) BasicRequestErrors!RPCResponse(Hex)

GetCurrentRpcEvent

Get the first event of the rpc channel.

Only call this if you are sure that the channel has messages because this will block until a message is able to be fetched.

Signature

pub fn getCurrentRpcEvent(self: *IPC) JsonParsed(Value)

GetCurrentSubscriptionEvent

Get the first event of the subscription channel.

Only call this if you are sure that the channel has messages because this will block until a message is able to be fetched.

Signature

pub fn getCurrentSubscriptionEvent(self: *IPC) JsonParsed(Value)

GetFilterOrLogChanges

Polling method for a filter, which returns an array of logs which occurred since last poll or Returns an array of all logs matching filter with given id depending on the selected method https://ethereum.org/en/developers/docs/apis/json-rpc#eth_getfilterchanges https://ethereum.org/en/developers/docs/apis/json-rpc#eth_getfilterlogs

Signature

pub fn getFilterOrLogChanges(
    self: *IPC,
    filter_id: u128,
    method: EthereumRpcMethods,
) (BasicRequestErrors || error{ InvalidFilterId, InvalidRpcMethod })!RPCResponse(Logs)

GetGasPrice

Returns an estimate of the current price per gas in wei. For example, the Besu client examines the last 100 blocks and returns the median gas unit price by default.

RPC Method: eth_gasPrice

Signature

pub fn getGasPrice(self: *IPC) BasicRequestErrors!RPCResponse(Gwei)

GetLogs

Returns an array of all logs matching a given filter object.

RPC Method: eth_getLogs

Signature

pub fn getLogs(
    self: *IPC,
    opts: LogRequest,
    tag: ?BalanceBlockTag,
) (BasicRequestErrors || error{InvalidLogRequestParams})!RPCResponse(Logs)

GetLogsSubEvent

Parses the Value in the sub-channel as a log event

Signature

pub fn getLogsSubEvent(self: *IPC) ParseFromValueError!RPCResponse(EthereumSubscribeResponse(Log))

GetNewHeadsBlockSubEvent

Parses the Value in the sub-channel as a new heads block event

Signature

pub fn getNewHeadsBlockSubEvent(self: *IPC) ParseFromValueError!RPCResponse(EthereumSubscribeResponse(Block))

GetNetworkListenStatus

Returns true if client is actively listening for network connections.

RPC Method: net_listening

Signature

pub fn getNetworkListenStatus(self: *IPC) BasicRequestErrors!RPCResponse(bool)

GetNetworkPeerCount

Returns number of peers currently connected to the client.

RPC Method: net_peerCount

Signature

pub fn getNetworkPeerCount(self: *IPC) BasicRequestErrors!RPCResponse(usize)

GetNetworkVersionId

Returns the current network id.

RPC Method: net_version

Signature

pub fn getNetworkVersionId(self: *IPC) BasicRequestErrors!RPCResponse(usize)

GetPendingTransactionsSubEvent

Parses the Value in the sub-channel as a pending transaction hash event

Signature

pub fn getPendingTransactionsSubEvent(self: *IPC) BasicRequestErrors!RPCResponse(EthereumSubscribeResponse(Hash))

GetProof

Returns the account and storage values, including the Merkle proof, of the specified account

RPC Method: eth_getProof

Signature

pub fn getProof(
    self: *IPC,
    opts: ProofRequest,
    tag: ?ProofBlockTag,
) (BasicRequestErrors || error{ExpectBlockNumberOrTag})!RPCResponse(ProofResult)

GetProtocolVersion

Returns the current Ethereum protocol version.

RPC Method: eth_protocolVersion

Signature

pub fn getProtocolVersion(self: *IPC) BasicRequestErrors!RPCResponse(u64)

GetRawTransactionByHash

Returns the raw transaction data as a hexadecimal string for a given transaction hash

RPC Method: eth_getRawTransactionByHash

Signature

pub fn getRawTransactionByHash(self: *IPC, tx_hash: Hash) BasicRequestErrors!RPCResponse(Hex)

GetSha3Hash

Returns the Keccak256 hash of the given message.

RPC Method: web_sha3

Signature

pub fn getSha3Hash(self: *IPC, message: []const u8) BasicRequestErrors!RPCResponse(Hash)

GetStorage

Returns the value from a storage position at a given address.

RPC Method: eth_getStorageAt

Signature

pub fn getStorage(self: *IPC, address: Address, storage_key: Hash, opts: BlockNumberRequest) BasicRequestErrors!RPCResponse(Hash)

GetSyncStatus

Returns null if the node has finished syncing. Otherwise it will return the sync progress.

RPC Method: eth_syncing

Signature

pub fn getSyncStatus(self: *IPC) ?RPCResponse(SyncProgress)

GetTransactionByBlockHashAndIndex

Returns information about a transaction by block hash and transaction index position.

RPC Method: eth_getTransactionByBlockHashAndIndex

Signature

pub fn getTransactionByBlockHashAndIndex(
    self: *IPC,
    block_hash: Hash,
    index: usize,
) (BasicRequestErrors || error{TransactionNotFound})!RPCResponse(Transaction)

GetTransactionByBlockHashAndIndexType

Returns information about a transaction by block hash and transaction index position.

Use this if the provided transaction type doesnt fit the expected object that it's returned from the endpoint and you know exactly the shape that the data will be in.

RPC Method: eth_getTransactionByBlockHashAndIndex

Signature

pub fn getTransactionByBlockHashAndIndexType(
    self: *IPC,
    comptime T: type,
    block_hash: Hash,
    index: usize,
) (BasicRequestErrors || error{TransactionNotFound})!RPCResponse(T)

GetTransactionByBlockNumberAndIndex

Returns information about a transaction by block number and transaction index position.

RPC Method: eth_getTransactionByBlockNumberAndIndex

Signature

pub fn getTransactionByBlockNumberAndIndex(
    self: *IPC,
    opts: BlockNumberRequest,
    index: usize,
) (BasicRequestErrors || error{TransactionNotFound})!RPCResponse(Transaction)

GetTransactionByBlockNumberAndIndexType

Returns information about a transaction by block number and transaction index position.

Use this if the provided transaction type doesnt fit the expected object that it's returned from the endpoint and you know exactly the shape that the data will be in.

RPC Method: eth_getTransactionByBlockNumberAndIndex

Signature

pub fn getTransactionByBlockNumberAndIndexType(
    self: *IPC,
    comptime T: type,
    opts: BlockNumberRequest,
    index: usize,
) (BasicRequestErrors || error{TransactionNotFound})!RPCResponse(T)

GetTransactionByHash

Returns the information about a transaction requested by transaction hash.

RPC Method: eth_getTransactionByHash

Signature

pub fn getTransactionByHash(self: *IPC, transaction_hash: Hash) (BasicRequestErrors || error{TransactionNotFound})!RPCResponse(Transaction)

GetTransactionByHashType

Returns the information about a transaction requested by transaction hash.

Use this if the provided transaction type doesnt fit the expected object that it's returned from the endpoint and you know exactly the shape that the data will be in.

RPC Method: eth_getTransactionByHash

Signature

pub fn getTransactionByHashType(
    self: *IPC,
    comptime T: type,
    transaction_hash: Hash,
) (BasicRequestErrors || error{TransactionNotFound})!RPCResponse(T)

GetTransactionReceipt

Returns the receipt of a transaction by transaction hash.

RPC Method: eth_getTransactionReceipt

Signature

pub fn getTransactionReceipt(
    self: *IPC,
    transaction_hash: Hash,
) (BasicRequestErrors || error{TransactionReceiptNotFound})!RPCResponse(TransactionReceipt)

GetTransactionReceiptType

Returns the receipt of a transaction by transaction hash.

Use this if the provided receipt type doesnt fit the expected object that it's returned from the endpoint and you know exactly the shape that the data will be in.

RPC Method: eth_getTransactionReceipt

Signature

pub fn getTransactionReceiptType(
    self: *IPC,
    comptime T: type,
    transaction_hash: Hash,
) (BasicRequestErrors || error{TransactionReceiptNotFound})!RPCResponse(TransactionReceipt)

GetTxPoolContent

The content inspection property can be queried to list the exact details of all the transactions currently pending for inclusion in the next block(s), as well as the ones that are being scheduled for future execution only.

The result is an object with two fields pending and queued. Each of these fields are associative arrays, in which each entry maps an origin-address to a batch of scheduled transactions. These batches themselves are maps associating nonces with actual transactions.

RPC Method: txpool_content

Signature

pub fn getTxPoolContent(self: *IPC) BasicRequestErrors!RPCResponse(TxPoolContent)

GetTxPoolContentFrom

Retrieves the transactions contained within the txpool, returning pending as well as queued transactions of this address, grouped by nonce

RPC Method: txpool_contentFrom

Signature

pub fn getTxPoolContentFrom(self: *IPC, from: Address) BasicRequestErrors!RPCResponse([]const PoolTransactionByNonce)

GetTxPoolInspectStatus

The inspect inspection property can be queried to list a textual summary of all the transactions currently pending for inclusion in the next block(s), as well as the ones that are being scheduled for future execution only. This is a method specifically tailored to developers to quickly see the transactions in the pool and find any potential issues.

RPC Method: txpool_inspect

Signature

pub fn getTxPoolInspectStatus(self: *IPC) BasicRequestErrors!RPCResponse(TxPoolInspect)

GetTxPoolStatus

The status inspection property can be queried for the number of transactions currently pending for inclusion in the next block(s), as well as the ones that are being scheduled for future execution only.

RPC Method: txpool_status

Signature

pub fn getTxPoolStatus(self: *IPC) BasicRequestErrors!RPCResponse(TxPoolStatus)

GetUncleByBlockHashAndIndex

Returns information about a uncle of a block by hash and uncle index position.

RPC Method: eth_getUncleByBlockHashAndIndex

Signature

pub fn getUncleByBlockHashAndIndex(self: *IPC, block_hash: Hash, index: usize) (BasicRequestErrors || error{InvalidBlockHashOrIndex})!RPCResponse(Block)

GetUncleByBlockHashAndIndexType

Returns information about a uncle of a block by hash and uncle index position.

Use this if the provided block type doesnt fit the expected object that it's returned from the endpoint and you know exactly the shape that the data will be in.

RPC Method: eth_getUncleByBlockHashAndIndex

Signature

pub fn getUncleByBlockHashAndIndexType(
    self: *IPC,
    comptime T: type,
    block_hash: Hash,
    index: usize,
) (BasicRequestErrors || error{InvalidBlockHashOrIndex})!RPCResponse(T)

GetUncleByBlockNumberAndIndex

Returns information about a uncle of a block by number and uncle index position.

RPC Method: eth_getUncleByBlockNumberAndIndex

Signature

pub fn getUncleByBlockNumberAndIndex(
    self: *IPC,
    opts: BlockNumberRequest,
    index: usize,
) (BasicRequestErrors || error{InvalidBlockNumberOrIndex})!RPCResponse(Block)

GetUncleByBlockNumberAndIndexType

Returns information about a uncle of a block by number and uncle index position.

Use this if the provided block type doesnt fit the expected object that it's returned from the endpoint and you know exactly the shape that the data will be in.

RPC Method: eth_getUncleByBlockNumberAndIndex

Signature

pub fn getUncleByBlockNumberAndIndexType(
    self: *IPC,
    comptime T: type,
    opts: BlockNumberRequest,
    index: usize,
) (BasicRequestErrors || error{InvalidBlockNumberOrIndex})!RPCResponse(T)

GetUncleCountByBlockHash

Returns the number of uncles in a block from a block matching the given block hash.

RPC Method: eth_getUncleCountByBlockHash

Signature

pub fn getUncleCountByBlockHash(self: *IPC, block_hash: Hash) BasicRequestErrors!RPCResponse(usize)

GetUncleCountByBlockNumber

Returns the number of uncles in a block from a block matching the given block number.

RPC Method: eth_getUncleCountByBlockNumber

Signature

pub fn getUncleCountByBlockNumber(self: *IPC, opts: BlockNumberRequest) BasicRequestErrors!RPCResponse(usize)

Multicall3

Runs the selected multicall3 contracts. This enables to read from multiple contract by a single eth_call. Uses the contracts created here

To learn more about the multicall contract please go here

You will need to decoded each of the Result.

 const supply: Function = .{
      .type = .function,
      .name = "totalSupply",
      .stateMutability = .view,
      .inputs = &.{},
      .outputs = &.{.{ .type = .{ .uint = 256 }, .name = "supply" }},
  };
 
  const balance: Function = .{
      .type = .function,
      .name = "balanceOf",
      .stateMutability = .view,
      .inputs = &.{.{ .type = .{ .address = {} }, .name = "balanceOf" }},
      .outputs = &.{.{ .type = .{ .uint = 256 }, .name = "supply" }},
  };
 
  const a: []const MulticallTargets = &.{
      .{ .function = supply, .target_address = comptime utils.addressToBytes("0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48") catch unreachable },
      .{ .function = balance, .target_address = comptime utils.addressToBytes("0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48") catch unreachable },
  };
 
  const res = try client.multicall3(a, .{ {}, .{try utils.addressToBytes("0xFded38DF0180039867E54EBdec2012D534862cE3")} }, true);
  defer res.deinit();

Signature

pub fn multicall3(
    self: *IPC,
    comptime targets: []const MulticallTargets,
    function_arguments: MulticallArguments(targets),
    allow_failure: bool,
) Multicall(.ipc).Error!AbiDecoded([]const Result)

NewBlockFilter

Creates a filter in the node, to notify when a new block arrives. To check if the state has changed, call getFilterOrLogChanges.

RPC Method: eth_newBlockFilter

Signature

pub fn newBlockFilter(self: *IPC) BasicRequestErrors!RPCResponse(u128)

NewLogFilter

Creates a filter object, based on filter options, to notify when the state changes (logs). To check if the state has changed, call getFilterOrLogChanges.

RPC Method: eth_newFilter

Signature

pub fn newLogFilter(self: *IPC, opts: LogRequest, tag: ?BalanceBlockTag) BasicRequestErrors!RPCResponse(u128)

NewPendingTransactionFilter

Creates a filter in the node, to notify when new pending transactions arrive. To check if the state has changed, call getFilterOrLogChanges.

RPC Method: eth_newPendingTransactionFilter

Signature

pub fn newPendingTransactionFilter(self: *IPC) BasicRequestErrors!RPCResponse(u128)

ReadLoop

Creates a read loop to read the socket messages. If a message is too long it will double the buffer size to read the message.

Signature

pub fn readLoop(self: *IPC) ReadLoopErrors!void

ReadLoopOwnedThread

Function prepared to start the read loop in a seperate thread.

Signature

pub fn readLoopOwnedThread(self: *IPC) void

ParseSubscriptionEvent

Parses a subscription event Value into T. Usefull for events that currently zabi doesn't have custom support.

Signature

pub fn parseSubscriptionEvent(self: *IPC, comptime T: type) ParseFromValueError!RPCResponse(EthereumSubscribeResponse(T))

SendEthCall

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.

Call object must be prefilled before hand. Including the data field. This will just make the request to the network.

RPC Method: eth_call

Signature

pub fn sendEthCall(self: *IPC, call_object: EthCall, opts: BlockNumberRequest) BasicRequestErrors!RPCResponse(Hex)

SendRawTransaction

Creates new message call transaction or a contract creation for signed transactions. Transaction must be serialized and signed before hand.

RPC Method: eth_sendRawTransaction

Signature

pub fn sendRawTransaction(self: *IPC, serialized_tx: Hex) BasicRequestErrors!RPCResponse(Hash)

SendRpcRequest

Writes message to websocket server and parses the reponse from it. This blocks until it gets the response back from the server.

Signature

pub fn sendRpcRequest(self: *IPC, comptime T: type, message: []u8) SendRpcRequestErrors!RPCResponse(T)

UninstallFilter

Uninstalls a filter with given id. Should always be called when watch is no longer needed. Additionally Filters timeout when they aren't requested with getFilterOrLogChanges for a period of time.

RPC Method: eth_uninstallFilter

Signature

pub fn uninstallFilter(self: *IPC, id: usize) BasicRequestErrors!RPCResponse(bool)

Unsubscribe

Unsubscribe from different Ethereum event types with a regular RPC call with eth_unsubscribe as the method and the subscriptionId as the first parameter.

RPC Method: eth_unsubscribe

Signature

pub fn unsubscribe(self: *IPC, sub_id: u128) BasicRequestErrors!RPCResponse(bool)

WatchNewBlocks

Emits new blocks that are added to the blockchain.

RPC Method: eth_subscribe

Signature

pub fn watchNewBlocks(self: *IPC) BasicRequestErrors!RPCResponse(u128)

WatchLogs

Emits logs attached to a new block that match certain topic filters and address.

RPC Method: eth_subscribe

Signature

pub fn watchLogs(self: *IPC, opts: WatchLogsRequest) BasicRequestErrors!RPCResponse(u128)

WatchTransactions

Emits transaction hashes that are sent to the network and marked as "pending".

RPC Method: eth_subscribe

Signature

pub fn watchTransactions(self: *IPC) BasicRequestErrors!RPCResponse(u128)

WatchWebsocketEvent

Creates a new subscription for desired events. Sends data as soon as it occurs

This expects the method to be a valid websocket subscription method. Since we have no way of knowing all possible or custom RPC methods that nodes can provide.

Returns the subscription Id.

Signature

pub fn watchWebsocketEvent(self: *IPC, method: []const u8) BasicRequestErrors!RPCResponse(u128)

WaitForTransactionReceipt

Waits until a transaction gets mined and the receipt can be grabbed. This is retry based on either the amount of confirmations given.

If 0 confirmations are given the transaction receipt can be null in case the transaction has not been mined yet. It's recommened to have atleast one confirmation because some nodes might be slower to sync.

RPC Method: eth_getTransactionReceipt

Signature

pub fn waitForTransactionReceipt(self: *IPC, tx_hash: Hash, confirmations: u8) (BasicRequestErrors || ParseFromValueError || error{
    TransactionNotFound,
    TransactionReceiptNotFound,
    FailedToGetReceipt,
    FailedToUnsubscribe,
    InvalidBlockNumber,
})!RPCResponse(TransactionReceipt)

WaitForTransactionReceiptType

Waits until a transaction gets mined and the receipt can be grabbed. This is retry based on either the amount of confirmations given.

If 0 confirmations are given the transaction receipt can be null in case the transaction has not been mined yet. It's recommened to have atleast one confirmation because some nodes might be slower to sync.

Use this if the provided block type doesnt fit the expected object that it's returned from the endpoint and you know exactly the shape that the data will be in.

RPC Method: eth_getTransactionReceipt

Signature

pub fn waitForTransactionReceiptType(self: *IPC, comptime T: type, tx_hash: Hash, confirmations: u8) (BasicRequestErrors || ParseFromValueError || error{
    TransactionReceiptNotFound,
    TransactionNotFound,
    FailedToGetReceipt,
    FailedToUnsubscribe,
    InvalidBlockNumber,
})!RPCResponse(T)

WriteSocketMessage

Write messages to the websocket server.

Signature

pub fn writeSocketMessage(self: *IPC, data: []u8) !void