Basic Python SDK (#1)

* [project] Update README with correct Python version requirement

* [request] Add rpc request lib
[exceptions] Add exceptions wrapper lib
[common] Define defaults for endpoint & timeout

* [blockchain] Added blockchain related RPCs
[staking] Added staking related RPCs

* [blockchain] Added more RPCs, organized file based on RPC type (network or block)

* [account] Add account related RPCs (balance, transaction history)

* [transaction] Added regular & staking transaction RPCs

* [rpc] Move RPCs to separate lib
[common] Remove common & add defaults to request

* [rpc] Add __init__ file for future use

* [util] Update utils to use rpc lib

* [rpc] Add return type annotations

* [make] Fix import errors

* [test] Add tests for rpc_request using local blockchain
[make] Update make tests to print reason to skip test

* [test] Add proper testing infra for RPC calls

* [numbers] Add utils for converting between atto and one

* [test] Use cross shard as the inital funding transaction & enable cross shard RPC tests

* [test] Refactor test setup to not wait if setup on chain is already done

* [pyhmy] Remove dev version & update major version

* [init] Update imports

* [account] Add get_balance_on_all_shards

* [rpc] Fix documentation errors

* [util] Fix is_active_shard error

* [rpc] Address PR comments

Makefile

@@ -25,7 +25,7 @@ clean-py:
 	find . -name '*~' -exec rm -f {} +
 
 test:
-	python3 -m py.test tests
+	python3 -m py.test -r s -s tests
 
 install:
 	python3 -m pip install -e .

README.md

@@ -1,11 +1,11 @@
 # Pyhmy - Harmony's python utilities
 
-**This library is for python 3 only.** 
+**This library only supports Python 3.6+**
 
-A Python library for interacting and working the [Harmony blockchain](https://harmony.one/) 
+A Python library for interacting and working the [Harmony blockchain](https://harmony.one/)
 and [related codebases](https://github.com/harmony-one).
 
-[Full documentation is located on Harmony's GitBook](https://harmony.one/) (in progress).
+[Full documentation is located on Harmony's GitBook](https://docs.harmony.one/) (in progress).
 
 ## Installation
 
@@ -18,8 +18,6 @@ Make sure you have Python3 installed, and use python3 to install pyhmy
 
 sudo pip3 install pathlib
 sudo pip3 install pyhmy
-
-Requires Python3.5+
 ```
 
 ## Development
@@ -31,6 +29,7 @@ make install
 
 ## Running tests
 
+You need to run a local Harmony blockchain (instructions [here](https://github.com/harmony-one/harmony/README.md)) that has staking enabled.
 You can run all of the tests with the following:
 
 ```
@@ -52,4 +51,7 @@ make release
 ```
 
 TODO: sample of how to use the library, reference Tezos.
-TODO: start (and finish) some of the documentation. 
+TODO: start (and finish) some of the documentation.
+TODO: add more blockchain rpcs
+TODO: check None return types for rpcs
+TODO: more detailed tests for rpcs

pyhmy/__init__.py

@@ -3,6 +3,12 @@ import warnings
 
 from ._version import __version__
 
+from .rpc import (
+    account,
+    blockchain,
+    staking,
+    transaction
+)
 
 from .util import (
     Typgpy,

pyhmy/_version.py

@@ -7,5 +7,5 @@ Provides pyhmy version information.
 
 from incremental import Version
 
-__version__ = Version('pyhmy', 20, 1, 30)
+__version__ = Version('pyhmy', 20, 5, 1)
 __all__ = ["__version__"]

pyhmy/numbers.py

@@ -0,0 +1,42 @@
+from decimal import Decimal
+
+
+_conversion_unit = Decimal(1e18)
+
+def convert_atto_to_one(atto):
+    """
+    Convert ATTO to ONE
+
+    Parameters
+    ----------
+    atto: str, int, float, decimal
+        Value in ATTO to convert to ONE
+        Float input will be truncated, since ATTO is the lowest possible denomination of ONE
+
+    Returns
+    -------
+    decimal
+        Converted value in ONE
+    """
+    if isinstance(atto, float):
+        atto = int(atto)
+    return Decimal(atto) / _conversion_unit
+
+
+def convert_one_to_atto(one):
+    """
+    Convert ONE to ATTO
+
+    Parameters
+    ----------
+    one: str, int, float, decimal
+        Value in ONE to convert to ATTO
+
+    Returns
+    -------
+    decimal
+        Converted value in ATTO
+    """
+    if isinstance(one, float):
+        one = str(one)
+    return Decimal(one) * _conversion_unit

pyhmy/rpc/account.py

@@ -0,0 +1,207 @@
+from .request import (
+    rpc_request
+)
+
+from .blockchain import (
+    get_sharding_structure
+)
+
+_default_endpoint = 'http://localhost:9500'
+_default_timeout = 30
+
+
+def get_balance(address, endpoint=_default_endpoint, timeout=_default_timeout) -> int:
+    """
+    Get current account balance
+
+    Parameters
+    ----------
+    address: str
+        Address to get balance for
+    endpoint: :obj:`str`, optional
+        Endpoint to send request to
+    timeout: :obj:`int`, optional
+        Timeout in seconds
+
+    Returns
+    -------
+    int
+        Account balance in ATTO
+    """
+    params = [
+        address,
+        'latest'
+    ]
+    return int(rpc_request('hmy_getBalance', params=params, endpoint=endpoint, timeout=timeout)['result'], 16)
+
+
+def get_balance_by_block(address, block_num, endpoint=_default_endpoint, timeout=_default_timeout) -> int:
+    """
+    Get account balance at time of given block
+
+    Parameters
+    ----------
+    address: str
+        Address to get balance for
+    block_num: int
+        Block number to req
+    endpoint: :obj:`str`, optional
+        Endpoint to send request to
+    timeout: :obj:`int`, optional
+        Timeout in seconds
+
+    Returns
+    -------
+    int
+        Account balance in ATTO at given block
+    """
+    params = [
+        address,
+        str(hex(block_num))
+    ]
+    return int(rpc_request('hmy_getBalanceByBlockNumber', params=params, endpoint=endpoint, timeout=timeout)['result'], 16)
+
+
+def get_transaction_count(address, endpoint=_default_endpoint, timeout=_default_timeout) -> int:
+    """
+    Get number of transactions & staking transactions sent by an account
+
+    Parameters
+    ----------
+    address: str
+        Address to get transaction count for
+    endpoint: :obj:`str`, optional
+        Endpoint to send request to
+    timeout: :obj:`int`, optional
+        Timeout in seconds
+
+    Returns
+    -------
+    int
+        Number of transactions sent by the account (account nonce)
+    """
+    params = [
+        address,
+        'latest'
+    ]
+    return int(rpc_request('hmy_getTransactionCount', params=params, endpoint=endpoint, timeout=timeout)['result'], 16)
+
+
+def get_transaction_history(address, page=0, page_size=1000, include_full_tx=False, tx_type='ALL',
+        order='ASC', endpoint=_default_endpoint, timeout=_default_timeout
+    ) -> list:
+    """
+    Get list of transactions sent and/or received by the account
+
+    Parameters
+    ----------
+    address: str
+        Address to get transaction history for
+    page: :obj:`int`, optional
+        Page to request for pagination
+    page_size: :obj:`int`, optional
+        Size of page for pagination
+    include_full_tx: :obj:`bool`, optional
+        True to include full transaction data
+        False to just get the transaction hash
+    tx_type: :obj:`str`, optional
+        'ALL' to get all transactions send & received by the address
+        'SENT' to get all transactions sent by the address
+        'RECEIVED' to get all transactions received by the address
+    order: :obj:`str`, optional
+        'ASC' to sort transactions in ascending order based on timestamp
+        'DESC' to sort transactions in descending order based on timestamp
+    endpoint: :obj:`str`, optional
+        Endpoint to send request to
+    timeout: :obj:`int`, optional
+        Timeout in seconds
+
+    Returns
+    -------
+    list
+        # TODO: Add link to reference RPC documentation
+    """
+    params = [
+        {
+            'address': address,
+            'pageIndex': page,
+            'pageSize': page_size,
+            'fullTx': include_full_tx,
+            'txType': tx_type,
+            'order': order
+        }
+    ]
+    tx_history = rpc_request('hmy_getTransactionsHistory', params=params, endpoint=endpoint, timeout=timeout)
+    return tx_history['result']['transactions']
+
+
+def get_staking_transaction_history(address, page=0, page_size=1000, include_full_tx=False, tx_type='ALL',
+        order='ASC', endpoint=_default_endpoint, timeout=_default_timeout
+    ) -> list:
+    """
+    Get list of staking transactions sent by the account
+
+    Parameters
+    ----------
+    address: str
+        Address to get staking transaction history for
+    page: :obj:`int`, optional
+        Page to request for pagination
+    page-size: :obj:`int`, optional
+        Size of page for pagination
+    include_full_tx: :obj:`bool`, optional
+        True to include full staking transaction data
+        False to just get the staking transaction hash
+    tx_type: :obj:`str`, optional
+        'ALL' to get all staking transactions
+    order: :obj:`str`, optional
+        'ASC' to sort transactions in ascending order based on timestamp
+        'DESC' to sort transactions in descending order based on timestamp
+    endpoint: :obj:`str`, optional
+        Endpoint to send request to
+    timeout: :obj:`int`, optional
+        Timeout in seconds
+
+    Returns
+    -------
+    list
+        # TODO: Add link to reference RPC documentation
+    """
+    params = [
+        {
+            'address': address,
+            'pageIndex': page,
+            'pageSize': page_size,
+            'fullTx': include_full_tx,
+            'txType': tx_type,
+            'order': order
+        }
+    ]
+    # Using v2 API, because getStakingTransactionHistory not implemented in v1
+    stx_history =  rpc_request('hmyv2_getStakingTransactionsHistory', params=params, endpoint=endpoint, timeout=timeout)
+    return stx_history['result']['staking_transactions']
+
+
+def get_balance_on_all_shards(address, endpoint=_default_endpoint, timeout=_default_timeout):
+    """
+    Get current account balance in all shards
+
+    Parameters
+    ----------
+    address: str
+        Address to get balance for
+    endpoint: :obj:`str`, optional
+        Endpoint to send request to
+    timeout: :obj:`int`, optional
+        Timeout in seconds per request
+
+    Returns
+    -------
+    dict
+        Account balance per shard in ATTO
+    """
+    balances = {}
+    sharding_structure = get_sharding_structure(endpoint=endpoint, timeout=timeout)
+    for shard in sharding_structure:
+        balances[shard['shardID']] = get_balance(address, endpoint=shard['http'], timeout=timeout)
+    return balances

pyhmy/rpc/blockchain.py

@@ -0,0 +1,378 @@
+from .request import (
+    rpc_request
+)
+
+_default_endpoint = 'http://localhost:9500'
+_default_timeout = 30
+
+
+################
+# Network RPCs #
+################
+def get_node_metadata(endpoint=_default_endpoint, timeout=_default_timeout) -> dict:
+    """
+    Get config for the node
+
+    Parameters
+    ----------
+    endpoint: :obj:`str`, optional
+        Endpoint to send request to
+    timeout: :obj:`int`, optional
+        Timeout in seconds
+
+    Returns
+    -------
+    dict
+        # TODO: Add link to reference RPC documentation
+    """
+    return rpc_request('hmy_getNodeMetadata', endpoint=endpoint, timeout=timeout)['result']
+
+
+def get_sharding_structure(endpoint=_default_endpoint, timeout=_default_timeout) -> list:
+    """
+    Get network sharding structure
+
+    Parameters
+    ----------
+    endpoint: :obj:`str`, optional
+        Endpoint to send request to
+    timeout: :obj:`int`, optional
+        Timeout in seconds
+
+    Returns
+    -------
+    list
+        # TODO: Add link to reference RPC documentation
+    """
+    return rpc_request('hmy_getShardingStructure', endpoint=endpoint, timeout=timeout)['result']
+
+
+def get_leader_address(endpoint=_default_endpoint, timeout=_default_timeout) -> str:
+    """
+    Get current leader one address
+
+    Parameters
+    ----------
+    endpoint: :obj:`str`, optional
+        Endpoint to send request to
+    timeout: :obj:`int`, optional
+        Timeout in seconds
+
+    Returns
+    -------
+    str
+        One address of current leader
+    """
+    return rpc_request('hmy_getLeader', endpoint=endpoint, timeout=timeout)['result']
+
+
+def get_block_number(endpoint=_default_endpoint, timeout=_default_timeout) -> int:
+    """
+    Get current block number
+
+    Parameters
+    ----------
+    endpoint: :obj:`str`, optional
+        Endpoint to send request to
+    timeout: :obj:`int`, optional
+        Timeout in seconds
+
+    Returns
+    -------
+    int
+        Current block number
+    """
+    return int(rpc_request('hmy_blockNumber', endpoint=endpoint, timeout=timeout)['result'], 16)
+
+
+def get_current_epoch(endpoint=_default_endpoint, timeout=_default_timeout) -> int:
+    """
+    Get current epoch number
+
+    Parameters
+    ----------
+    endpoint: :obj:`str`, optional
+        Endpoint to send request to
+    timeout: :obj:`int`, optional
+        Timeout in seconds
+
+    Returns
+    -------
+    int
+        Current epoch number
+    """
+    return int(rpc_request('hmy_getEpoch', endpoint=endpoint, timeout=timeout)['result'], 16)
+
+
+def get_gas_price(endpoint=_default_endpoint, timeout=_default_timeout) -> int:
+    """
+    Get network gas price
+
+    Parameters
+    ----------
+    endpoint: :obj:`str`, optional
+        Endpoint to send request to
+    timeout: :obj:`int`, optional
+        Timeout in seconds
+
+    Returns
+    -------
+    int
+        Network gas price
+    """
+    return int(rpc_request('hmy_gasPrice', endpoint=endpoint, timeout=timeout)['result'], 16)
+
+
+def get_num_peers(endpoint=_default_endpoint, timeout=_default_timeout) -> int:
+    """
+    Get number of peers connected to the node
+
+    Parameters
+    ----------
+    endpoint: :obj:`str`, optional
+        Endpoint to send request to
+    timeout: :obj:`int`, optional
+        Timeout in seconds
+
+    Returns
+    -------
+    int
+        Number of connected peers
+    """
+    return int(rpc_request('net_peerCount', endpoint=endpoint, timeout=timeout)['result'], 16)
+
+
+##############
+# Block RPCs #
+##############
+def get_latest_header(endpoint=_default_endpoint, timeout=_default_timeout) -> dict:
+    """
+    Get block header of latest block
+
+    Parameters
+    ----------
+    endpoint: :obj:`str`, optional
+        Endpoint to send request to
+    timeout: :obj:`int`, optional
+        Timeout in seconds
+
+    Returns
+    -------
+    dict
+        # TODO: Add link to reference RPC documentation
+    """
+    return rpc_request('hmy_latestHeader', endpoint=endpoint, timeout=timeout)['result']
+
+
+def get_latest_headers(endpoint=_default_endpoint, timeout=_default_timeout) -> dict:
+    """
+    Get block header of latest block for beacon chain & shard chain
+
+    Parameters
+    ----------
+    endpoint: :obj:`str`, optional
+        Endpoint to send request to
+    timeout: :obj:`int`, optional
+        Timeout in seconds
+
+    Returns
+    -------
+    dict
+        # TODO: Add link to reference RPC documentation
+    """
+    return rpc_request('hmy_getLatestChainHeaders', endpoint=endpoint, timeout=timeout)['result']
+
+
+def get_block_by_number(block_num, endpoint=_default_endpoint, include_full_tx=False, timeout=_default_timeout) -> dict:
+    """
+    Get block by number
+
+    Parameters
+    ----------
+    block_num: int
+        Block number to fetch
+    endpoint: :obj:`str`, optional
+        Endpoint to send request to
+    include_full_tx: :obj:`bool`, optional
+        Include list of full transactions data for each block
+    timeout: :obj:`int`, optional
+        Timeout in seconds
+
+    Returns
+    -------
+    dict
+        # TODO: Add link to reference RPC documentation
+    """
+    params = [
+        str(hex(block_num)),
+        include_full_tx
+    ]
+    return rpc_request('hmy_getBlockByNumber', params=params, endpoint=endpoint, timeout=timeout)['result']
+
+
+def get_block_by_hash(block_hash, endpoint=_default_endpoint, include_full_tx=False, timeout=_default_timeout) -> dict:
+    """
+    Get block by hash
+
+    Parameters
+    ----------
+    block_hash: str
+        Block hash to fetch
+    endpoint: :obj:`str`, optional
+        Endpoint to send request to
+    include_full_tx: :obj:`bool`, optional
+        Include list of full transactions data for each block
+    timeout: :obj:`int`, optional
+        Timeout in seconds
+
+    Returns
+    -------
+    dict
+        # TODO: Add link to reference RPC documentation
+    """
+    params = [
+        block_hash,
+        include_full_tx
+    ]
+    return rpc_request('hmy_getBlockByHash', params=params, endpoint=endpoint, timeout=timeout)['result']
+
+
+def get_block_transaction_count_by_number(block_num, endpoint=_default_endpoint, timeout=_default_timeout) -> int:
+    """
+    Get transaction count for specific block number
+
+    Parameters
+    ----------
+    block_num: int
+        Block number to get transaction count for
+    endpoint: :obj:`str`, optional
+        Endpoint to send request to
+    include_full_tx: :obj:`bool`, optional
+        Include list of full transactions data for each block
+    timeout: :obj:`int`, optional
+        Timeout in seconds
+
+    Returns
+    -------
+    int
+        Number of transactions in the block
+    """
+    params = [
+        str(hex(block_num))
+    ]
+    return int(rpc_request('hmy_getBlockTransactionCountByNumber', params=params,
+        endpoint=endpoint, timeout=timeout)['result'], 16
+    )
+
+
+def get_block_transaction_count_by_hash(block_hash, endpoint=_default_endpoint, timeout=_default_timeout) -> int:
+    """
+    Get transaction count for specific block hash for
+
+    Parameters
+    ----------
+    block_hash: str
+        Block hash to get transaction count
+    endpoint: :obj:`str`, optional
+        Endpoint to send request to
+    include_full_tx: :obj:`bool`, optional
+        Include list of full transactions data for each block
+    timeout: :obj:`int`, optional
+        Timeout in seconds
+
+    Returns
+    -------
+    int
+        Number of transactions in the block
+    """
+    params = [
+        block_hash
+    ]
+    return int(rpc_request('hmy_getBlockTransactionCountByHash', params=params,
+        endpoint=endpoint, timeout=timeout)['result'], 16
+    )
+
+
+def get_blocks(start_block, end_block, endpoint=_default_endpoint, include_full_tx=False,
+        include_signers=False, timeout=_default_timeout
+    ) -> list:
+    """
+    Get list of blocks from a range
+
+    Parameters
+    ----------
+    start_block: int
+        First block to fetch (inclusive)
+    end_block: int
+        Last block to fetch (inclusive)
+    endpoint: :obj:`str`, optional
+        Endpoint to send request to
+    include_full_tx: :obj:`bool`, optional
+        Include list of full transactions data for each block
+    include_signers: :obj:`bool`, optional
+        Include list of signers for each block
+    timeout: :obj:`int`, optional
+        Timeout in seconds
+
+    Returns
+    -------
+    list
+        # TODO: Add link to reference RPC documentation
+    """
+    params = [
+        str(hex(start_block)),
+        str(hex(end_block)),
+        {
+            'withSigners': include_signers,
+            'fullTx': include_full_tx,
+        },
+    ]
+    return rpc_request('hmy_getBlocks', params=params, endpoint=endpoint, timeout=timeout)['result']
+
+
+def get_block_signers(block_num, endpoint=_default_endpoint, timeout=_default_timeout) -> list:
+    """
+    Get list of block signers for specific block number
+
+    Parameters
+    ----------
+    block_num: int
+        Block number to get signers for
+    endpoint: :obj:`str`, optional
+        Endpoint to send request to
+    timeout: :obj:`int`, optional
+        Timeout in seconds
+
+    Returns
+    -------
+    list
+        List of one addresses that signed the block
+    """
+    params = [
+        str(hex(block_num))
+    ]
+    return rpc_request('hmy_getBlockSigners', params=params, endpoint=endpoint, timeout=timeout)['result']
+
+
+def get_validators(epoch, endpoint=_default_endpoint, timeout=_default_timeout) -> dict:
+    """
+    Get list of validators for specific epoch number
+
+    Parameters
+    ----------
+    epoch: int
+        Epoch to get list of validators for
+    endpoint: :obj:`str`, optional
+        Endpoint to send request to
+    timeout: :obj:`int`, optional
+        Timeout in seconds
+
+    Returns
+    -------
+    dict
+        # TODO: Add link to reference RPC documentation
+    """
+    params = [
+        epoch
+    ]
+    return rpc_request('hmy_getValidators', params=params, endpoint=endpoint, timeout=timeout)['result']

pyhmy/rpc/exceptions.py

@@ -0,0 +1,23 @@
+import json
+import requests
+
+
+class RPCError(RuntimeError):
+    """
+    Exception raised when RPC call returns an error
+    """
+
+class JSONDecodeError(json.decoder.JSONDecodeError):
+    """
+    Wrapper for json lib DecodeError exception
+    """
+
+class RequestsError(requests.exceptions.RequestException):
+    """
+    Wrapper for requests lib exceptions
+    """
+
+class RequestsTimeoutError(requests.exceptions.Timeout):
+    """
+    Wrapper for requests lib Timeout exceptions
+    """

pyhmy/rpc/request.py

@@ -0,0 +1,119 @@
+import json
+
+import requests
+
+from .exceptions import (
+    JSONDecodeError,
+    RequestsError,
+    RequestsTimeoutError,
+    RPCError
+)
+
+
+_default_endpoint = 'http://localhost:9500'
+_default_timeout = 30
+
+
+def base_request(method, params=None, endpoint=_default_endpoint, timeout=_default_timeout) -> str:
+    """
+    Basic RPC request
+
+    Parameters
+    ---------
+    method: str
+        RPC Method to call
+    params: :obj:`list`, optional
+        Parameters for the RPC method
+    endpoint: :obj:`str`, optional
+        Endpoint to send request to
+    timeout: :obj:`int`, optional
+        Timeout in seconds
+
+    Returns
+    -------
+    str
+        Raw output from the request
+
+    Raises
+    ------
+    TypeError
+        If params is not a list or None
+    RequestsTimeoutError
+        If request timed out
+    RequestsError
+        If other request error occured
+    """
+    if params is None:
+        params = []
+    elif not isinstance(params, list):
+        raise TypeError(f'invalid type {params.__class__}')
+
+    try:
+        payload = {
+            "id": "1",
+            "jsonrpc": "2.0",
+            "method": method,
+            "params": params
+        }
+        headers = {
+            'Content-Type': 'application/json'
+        }
+
+        resp = requests.request('POST', endpoint, headers=headers, data=json.dumps(payload),
+                                timeout=timeout, allow_redirects=True)
+        return resp.content
+    except requests.exceptions.Timeout as err:
+        raise RequestsTimeoutError() from err
+    except requests.exceptions.RequestException as err:
+        raise RequestsError() from err
+
+
+def rpc_request(method, params=None, endpoint=_default_endpoint, timeout=_default_timeout) -> dict:
+    """
+    RPC request
+
+    Parameters
+    ---------
+    method: str
+        RPC Method to call
+    params: :obj:`list`, optional
+        Parameters for the RPC method
+    endpoint: :obj:`str`, optional
+        Endpoint to send request to
+    timeout: :obj:`int`, optional
+        Timeout in seconds
+
+    Returns
+    -------
+    dict
+        Returns dictionary representation of RPC response
+        Example format:
+        {
+            "jsonrpc": "2.0",
+            "id": 1,
+            "result": ...
+        }
+
+    Raises
+    ------
+    RPCError
+        If RPC response returned a blockchain error
+    JSONDecodeError
+        If RPC response format is not valid JSON object
+
+    See Also
+    --------
+    base_request
+    """
+    raw_resp = base_request(method, params, endpoint, timeout)
+
+    try:
+        resp = json.loads(raw_resp)
+        if 'error' in resp:
+            raise RPCError(str(resp['error']))
+        return resp
+    except json.decoder.JSONDecodeError as err:
+        raise JSONDecodeError() from err
+
+
+# TODO: Add GET requests

pyhmy/rpc/staking.py

@@ -0,0 +1,207 @@
+from .request import (
+    rpc_request
+)
+
+
+_default_endpoint = 'http://localhost:9500'
+_default_timeout = 30
+
+
+##################
+# Validator RPCs #
+##################
+def get_all_validator_addresses(endpoint=_default_endpoint, timeout=_default_timeout) -> list:
+    """
+    Get list of all created validator addresses on chain
+
+    Parameters
+    ----------
+    endpoint: :obj:`str`, optional
+        Endpoint to send request to
+    timeout: :obj:`int`, optional
+        Timeout in seconds
+
+    Returns
+    -------
+    list
+        List of one addresses for all validators on chain
+    """
+    return rpc_request('hmy_getAllValidatorAddresses', endpoint=endpoint, timeout=timeout)['result']
+
+
+def get_validator_information(validator_addr, endpoint=_default_endpoint, timeout=_default_timeout) -> dict:
+    """
+    Get validator information for validator address
+
+    Parameters
+    ----------
+    validator_addr: str
+        One address of the validator to get information for
+    endpoint: :obj:`str`, optional
+        Endpoint to send request to
+    timeout: :obj:`int`, optional
+        Timeout in seconds
+
+    Returns
+    -------
+    dict
+        # TODO: Add link to reference RPC documentation
+    """
+    params = [
+        validator_addr
+    ]
+    return rpc_request('hmy_getValidatorInformation', params=params, endpoint=endpoint, timeout=timeout)['result']
+
+
+def get_all_validator_information(page=-1, endpoint=_default_endpoint, timeout=_default_timeout) -> list:
+    """
+    Get validator information for all validators on chain
+
+    Parameters
+    ----------
+    page: :obj:`int`, optional
+        Page to request (-1 for all validators)
+    endpoint: :obj:`str`, optional
+        Endpoint to send request to
+    timeout: :obj:`int`, optional
+        Timeout in seconds
+
+    Returns
+    -------
+    list
+        # TODO: Add link to reference RPC documentation
+    """
+    params = [
+        page
+    ]
+    return rpc_request('hmy_getAllValidatorInformation', params=params, endpoint=endpoint, timeout=timeout)['result']
+
+
+###################
+# Delegation RPCs #
+###################
+def get_delegations_by_delegator(delegator_addr, endpoint=_default_endpoint, timeout=_default_timeout) -> list:
+    """
+    Get list of delegations by a delegator
+
+    Parameters
+    ----------
+    delegator_addr: str
+        Delegator address to get list of delegations for
+    endpoint: :obj:`str`, optional
+        Endpoint to send request to
+    timeout: :obj:`int`, optional
+        Timeout in seconds
+
+    Returns
+    -------
+    list
+        # TODO: Add link to reference RPC documentation
+    """
+    params = [
+        delegator_addr
+    ]
+    return rpc_request('hmy_getDelegationsByDelegator', params=params, endpoint=endpoint, timeout=timeout)['result']
+
+
+def get_delegations_by_validator(validator_addr, endpoint=_default_endpoint, timeout=_default_timeout) -> list:
+    """
+    Get list of delegations to a validator
+
+    Parameters
+    ----------
+    validator_addr: str
+        Validator address to get list of delegations for
+    endpoint: :obj:`str`, optional
+        Endpoint to send request to
+    timeout: :obj:`int`, optional
+        Timeout in seconds
+
+    Returns
+    -------
+    list
+        # TODO: Add link to reference RPC documentation
+    """
+    params = [
+        validator_addr
+    ]
+    return rpc_request('hmy_getDelegationsByValidator', params=params, endpoint=endpoint, timeout=timeout)['result']
+
+
+########################
+# Staking Network RPCs #
+########################
+def get_current_utility_metrics(endpoint=_default_endpoint, timeout=_default_timeout) -> dict:
+    """
+    Get current utility metrics of network
+
+    Parameters
+    ----------
+    endpoint: :obj:`str`, optional
+        Endpoint to send request to
+    timeout: :obj:`int`, optional
+        Timeout in seconds
+
+    Returns
+    -------
+    dict
+        # TODO: Add link to reference RPC documentation
+    """
+    return rpc_request('hmy_getCurrentUtilityMetrics', endpoint=endpoint, timeout=timeout)['result']
+
+
+def get_staking_network_info(endpoint=_default_endpoint, timeout=_default_timeout) -> dict:
+    """
+    Get staking network information
+
+    Parameters
+    ----------
+    endpoint: :obj:`str`, optional
+        Endpoint to send request to
+    timeout: :obj:`int`, optional
+        Timeout in seconds
+
+    Returns
+    -------
+    dict
+        # TODO: Add link to reference RPC documentation
+    """
+    return rpc_request('hmy_getStakingNetworkInfo', endpoint=endpoint, timeout=timeout)['result']
+
+
+def get_super_committees(endpoint=_default_endpoint, timeout=_default_timeout) -> dict:
+    """
+    Get voting committees for current & previous epoch
+
+    Parameters
+    ----------
+    endpoint: :obj:`str`, optional
+        Endpoint to send request to
+    timeout: :obj:`int`, optional
+        Timeout in seconds
+
+    Returns
+    -------
+    dict
+        # TODO: Add link to reference RPC documentation
+    """
+    return rpc_request('hmy_getSuperCommittees', endpoint=endpoint, timeout=timeout)['result']
+
+
+def get_raw_median_stake_snapshot(endpoint=_default_endpoint, timeout=_default_timeout) -> dict:
+    """
+    Get median stake & additional committee data of the current epoch
+
+    Parameters
+    ----------
+    endpoint: :obj:`str`, optional
+        Endpoint to send request to
+    timeout: :obj:`int`, optional
+        Timeout in seconds
+
+    Returns
+    -------
+    dict
+        # TODO: Add link to reference RPC documentation
+    """
+    return rpc_request('hmy_getMedianRawStakeSnapshot', endpoint=endpoint, timeout=timeout)['result']

pyhmy/rpc/transaction.py

@@ -0,0 +1,379 @@
+from .request import (
+    rpc_request
+)
+
+
+_default_endpoint = 'http://localhost:9500'
+_default_timeout = 30
+
+
+#########################
+# Transaction Pool RPCs #
+#########################
+def get_pending_transactions(endpoint=_default_endpoint, timeout=_default_timeout) -> list:
+    """
+    Get list of pending transactions
+
+    Parameters
+    ----------
+    endpoint: :obj:`str`, optional
+        Endpoint to send request to
+    timeout: :obj:`int`, optional
+        Timeout in seconds
+
+    Returns
+    -------
+    list
+        # TODO: Add link to reference RPC documentation
+    """
+    return rpc_request('hmy_pendingTransactions', endpoint=endpoint, timeout=timeout)['result']
+
+
+####################
+# Transaction RPCs #
+####################
+def get_transaction_by_hash(tx_hash, endpoint=_default_endpoint, timeout=_default_timeout) -> dict:
+    """
+    Get transaction by hash
+
+    Parameters
+    ----------
+    tx_hash: str
+        Transaction hash to fetch
+    endpoint: :obj:`str`, optional
+        Endpoint to send request to
+    timeout: :obj:`int`, optional
+        Timeout in seconds
+
+    Returns
+    -------
+    dict
+        # TODO: Add link to reference RPC documentation
+    """
+    params = [
+        tx_hash
+    ]
+    return rpc_request('hmy_getTransactionByHash', params=params, endpoint=endpoint, timeout=timeout)['result']
+
+
+def get_transaction_by_block_hash_and_index(block_hash, tx_index,
+        endpoint=_default_endpoint, timeout=_default_timeout
+    ) -> dict:
+    """
+    Get transaction based on index in list of transactions in a block by block hash
+
+    Parameters
+    ----------
+    block_hash: str
+        Block hash for transaction
+    tx_index: int
+        Transaction index to fetch
+    endpoint: :obj:`str`, optional
+        Endpoint to send request to
+    timeout: :obj:`int`, optional
+        Timeout in seconds
+
+    Returns
+    -------
+    dict
+        # TODO: Add link to reference RPC documentation
+    """
+    params = [
+        block_hash,
+        str(hex(tx_index))
+    ]
+    return rpc_request('hmy_getTransactionByBlockHashAndIndex', params=params, endpoint=endpoint, timeout=timeout)['result']
+
+
+def get_transaction_by_block_number_and_index(block_num, tx_index,
+        endpoint=_default_endpoint, timeout=_default_timeout
+    ) -> dict:
+    """
+    Get transaction based on index in list of transactions in a block by block number
+
+    Parameters
+    ----------
+    block_num: int
+        Block number for transaction
+    tx_index: int
+        Transaction index to fetch
+    endpoint: :obj:`str`, optional
+        Endpoint to send request to
+    timeout: :obj:`int`, optional
+        Timeout in seconds
+
+    Returns
+    -------
+    dict
+        # TODO: Add link to reference RPC documentation
+    """
+    params = [
+        str(hex(block_num)),
+        str(hex(tx_index))
+    ]
+    return rpc_request('hmy_getTransactionByBlockNumberAndIndex', params=params, endpoint=endpoint, timeout=timeout)['result']
+
+
+def get_transaction_receipt(tx_receipt, endpoint=_default_endpoint, timeout=_default_timeout) -> dict:
+    """
+    Get transaction receipt
+
+    Parameters
+    ----------
+    tx_receipt: str
+        Transaction receipt to fetch
+    endpoint: :obj:`str`, optional
+        Endpoint to send request to
+    timeout: :obj:`int`, optional
+        Timeout in seconds
+
+    Returns
+    -------
+    dict
+        # TODO: Add link to reference RPC documentation
+    """
+    params = [
+        tx_receipt
+    ]
+    return rpc_request('hmy_getTransactionReceipt', params=params, endpoint=endpoint, timeout=timeout)['result']
+
+
+def get_transaction_error_sink(endpoint=_default_endpoint, timeout=_default_timeout) -> list:
+    """
+    Get transaction error sink
+
+    Parameters
+    ----------
+    endpoint: :obj:`str`, optional
+        Endpoint to send request to
+    timeout: :obj:`int`, optional
+        Timeout in seconds
+
+    Returns
+    -------
+    list
+        # TODO: Add link to reference RPC documentation
+    """
+    return rpc_request('hmy_getCurrentTransactionErrorSink', endpoint=endpoint, timeout=timeout)['result']
+
+
+def send_raw_transaction(raw_tx, endpoint=_default_endpoint, timeout=_default_timeout) -> str:
+    """
+    Send signed transaction
+
+    Parameters
+    ----------
+    raw_tx: str
+        Hex representation of signed transaction
+    endpoint: :obj:`str`, optional
+        Endpoint to send request to
+    timeout: :obj:`int`, optional
+        Timeout in seconds
+
+    Returns
+    -------
+    str
+        Transaction hash
+    """
+    params = [
+        raw_tx
+    ]
+    return rpc_request('hmy_sendRawTransaction', params=params, endpoint=endpoint, timeout=timeout)['result']
+
+
+###############################
+# CrossShard Transaction RPCs #
+###############################
+def get_pending_cx_receipts(endpoint=_default_endpoint, timeout=_default_timeout) -> list:
+    """
+    Get list of pending cross shard transactions
+
+    Parameters
+    ----------
+    endpoint: :obj:`str`, optional
+        Endpoint to send request to
+    timeout: :obj:`int`, optional
+        Timeout in seconds
+
+    Returns
+    -------
+    list
+        # TODO: Add link to reference RPC documentation
+    """
+    return rpc_request('hmy_getPendingCXReceipts', endpoint=endpoint, timeout=timeout)['result']
+
+
+def get_cx_receipt_by_hash(cx_hash, endpoint = _default_endpoint, timeout = _default_timeout) -> dict:
+    """
+    Get cross shard receipt by hash
+
+    Parameters
+    ----------
+    cx_hash: str
+        Hash of cross shard transaction receipt
+    endpoint: :obj:`str`, optional
+        Endpoint to send request to
+    timeout: :obj:`int`, optional
+        Timeout in seconds
+
+    Returns
+    -------
+    dict
+        # TODO: Add link to reference RPC documentation
+    """
+    params = [
+        cx_hash
+    ]
+    return rpc_request('hmy_getCXReceiptByHash', params=params, endpoint=endpoint, timeout=timeout)['result']
+
+
+def resend_cx_receipt(cx_receipt, endpoint=_default_endpoint, timeout=_default_timeout) -> bool:
+    """
+    Send cross shard receipt
+
+    Parameters
+    ----------
+    cx_hash: str
+        Hash of cross shard transaction receipt
+    endpoint: :obj:`str`, optional
+        Endpoint to send request to
+    timeout: :obj:`int`, optional
+        Timeout in seconds
+
+    Returns
+    -------
+    bool
+        If the receipt transactions was succesfully resent
+    """
+    params = [
+        cx_receipt
+    ]
+    return rpc_request('hmy_resendCx', params=params, endpoint=endpoint, timeout=timeout)['result']
+
+
+############################
+# Staking Transaction RPCs #
+############################
+def get_staking_transaction_by_hash(tx_hash, endpoint=_default_endpoint, timeout=_default_timeout) -> dict:
+    """
+    Get staking transaction by hash
+
+    Parameters
+    ----------
+    tx_hash: str
+        Hash of staking transaction to fetch
+    endpoint: :obj:`str`, optional
+        Endpoint to send request to
+    timeout: :obj:`int`, optional
+        Timeout in seconds
+
+    Returns
+    -------
+    dict
+        # TODO: Add link to reference RPC documentation
+    """
+    params = [
+        tx_hash
+    ]
+    return rpc_request('hmy_getStakingTransactionByHash', params=params, endpoint=endpoint, timeout=timeout)['result']
+
+
+def get_staking_transaction_by_block_hash_and_index(block_hash, tx_index,
+        endpoint=_default_endpoint, timeout=_default_timeout
+    ) -> dict:
+    """
+    Get staking transaction based on index in list of staking transactions for a block by block hash
+
+    Parameters
+    ----------
+    block_hash: str
+        Block hash for staking transaction
+    tx_index: int
+        Staking transaction index to fetch
+    endpoint: :obj:`str`, optional
+        Endpoint to send request to
+    timeout: :obj:`int`, optional
+        Timeout in seconds
+
+    Returns
+    -------
+    dict
+        # TODO: Add link to reference RPC documentation
+    """
+    params = [
+        block_hash,
+        str(hex(tx_index))
+    ]
+    return rpc_request('hmy_getStakingTransactionByBlockHashAndIndex', params=params, endpoint=endpoint, timeout=timeout)['result']
+
+
+def get_staking_transaction_by_block_number_and_index(block_num, tx_index,
+        endpoint=_default_endpoint, timeout=_default_timeout
+    ) -> dict:
+    """
+    Get staking transaction based on index in list of staking transactions for a block by block number
+
+    Parameters
+    ----------
+    block_num: int
+        Block number for staking transaction
+    tx_index: int
+        Staking transaction index to fetch
+    endpoint: :obj:`str`, optional
+        Endpoint to send request to
+    timeout: :obj:`int`, optional
+        Timeout in seconds
+
+    Returns
+    -------
+    dict
+        # TODO: Add link to reference RPC documentation
+    """
+    params = [
+        str(hex(block_num)),
+        str(hex(tx_index))
+    ]
+    return rpc_request('hmy_getStakingTransactionByBlockNumberAndIndex', params=params, endpoint=endpoint, timeout=timeout)['result']
+
+
+def get_staking_transaction_error_sink(endpoint=_default_endpoint, timeout=_default_timeout) -> list:
+    """
+    Get staking transaction error sink
+
+    Parameters
+    ----------
+    endpoint: :obj:`str`, optional
+        Endpoint to send request to
+    timeout: :obj:`int`, optional
+        Timeout in seconds
+
+    Returns
+    -------
+    list
+        # TODO: Add link to reference RPC documentation
+    """
+    return rpc_request('hmy_getCurrentStakingErrorSink', endpoint=endpoint, timeout=timeout)['result']
+
+
+def send_raw_staking_transaction(raw_tx, endpoint=_default_endpoint, timeout=_default_timeout) -> str:
+    """
+    Send signed staking transaction
+
+    Parameters
+    ----------
+    raw_tx: str
+        Hex representation of signed staking transaction
+    endpoint: :obj:`str`, optional
+        Endpoint to send request to
+    timeout: :obj:`int`, optional
+        Timeout in seconds
+
+    Returns
+    -------
+    str
+        Staking transaction hash
+    """
+    params = [
+        raw_tx
+    ]
+    return rpc_request('hmy_sendRawStakingTransaction', params=params, endpoint=endpoint, timeout=timeout)['result']

pyhmy/util.py

@@ -6,6 +6,17 @@ import datetime
 
 import requests
 
+from .rpc.blockchain import (
+    get_latest_header
+)
+
+from .rpc.exceptions import (
+    RPCError,
+    JSONDecodeError,
+    RequestsError,
+    RequestsTimeoutError,
+)
+
 datetime_format = "%Y-%m-%d %H:%M:%S.%f"
 
 
@@ -13,7 +24,7 @@ class Typgpy(str):
     """
     Typography constants for pretty printing.
 
-    Note that an ENDC is needed to made the end of a 'highlighted' text segment.
+    Note that an ENDC is needed to mark the end of a 'highlighted' text segment.
     """
     HEADER = '\033[95m'
     OKBLUE = '\033[94m'
@@ -45,24 +56,14 @@ def is_active_shard(endpoint, delay_tolerance=60):
     :param delay_tolerance: The time (in seconds) that the shard timestamp can be behind
     :return: If shard is active or not
     """
-    payload = """{
-            "jsonrpc": "2.0",
-            "method": "hmy_latestHeader",
-            "params": [  ],
-            "id": 1
-        }"""
-    headers = {
-        'Content-Type': 'application/json'
-    }
     try:
         curr_time = datetime.datetime.utcnow()
-        response = requests.request('POST', endpoint, headers=headers, data=payload, allow_redirects=False, timeout=3)
-        body = json.loads(response.content)
-        time_str = body["result"]["timestamp"][:19] + '.0'  # Fit time format
+        latest_header = get_latest_header(endpoint=endpoint)
+        time_str = latest_header["timestamp"][:19] + '.0'  # Fit time format
         timestamp = datetime.datetime.strptime(time_str, "%Y-%m-%d %H:%M:%S.%f").replace(tzinfo=None)
         time_delta = curr_time - timestamp
         return abs(time_delta.seconds) < delay_tolerance
-    except (requests.ConnectionError, json.decoder.JSONDecodeError, KeyError):
+    except (RPCError, JSONDecodeError, RequestsError, RequestsTimeoutError):
         return False
 
 

tests/numbers-pyhmy/test_numbers.py

@@ -0,0 +1,36 @@
+from decimal import Decimal
+
+import pytest
+
+from pyhmy import (
+    numbers
+)
+
+
+@pytest.mark.run(order=1)
+def test_convert_atto_to_one():
+    a = numbers.convert_atto_to_one(1e18)
+    assert Decimal(1) == a
+
+    b = numbers.convert_atto_to_one(1e18 + 0.6)
+    assert Decimal(1) == b
+
+    c = numbers.convert_atto_to_one('1' + ('0' * 18))
+    assert Decimal(1) == c
+
+    d = numbers.convert_atto_to_one(Decimal(1e18))
+    assert Decimal(1) == d
+
+@pytest.mark.run(order=2)
+def test_convert_one_to_atto():
+    a = numbers.convert_one_to_atto(1e-18)
+    assert Decimal(1) == a
+
+    b = numbers.convert_one_to_atto(1.5)
+    assert Decimal(1.5e18) == b
+
+    c = numbers.convert_one_to_atto('1')
+    assert Decimal(1e18) == c
+
+    d = numbers.convert_one_to_atto(Decimal(1))
+    assert Decimal(1e18) == d

tests/request-pyhmy/test_request.py

@@ -0,0 +1,105 @@
+import json
+import socket
+
+import pytest
+import requests
+
+from pyhmy.rpc import (
+    exceptions,
+    request
+)
+
+
+@pytest.fixture(scope="session", autouse=True)
+def setup():
+    endpoint = 'http://localhost:9500'
+    timeout = 30
+    method = 'hmy_getNodeMetadata'
+    params = []
+    payload = {
+        "id": "1",
+        "jsonrpc": "2.0",
+        "method": method,
+        "params": params
+    }
+    headers = {
+        'Content-Type': 'application/json'
+    }
+
+    try:
+        response = requests.request('POST', endpoint, headers=headers,
+                                    data=json.dumps(payload), timeout=timeout, allow_redirects=True)
+    except Exception as e:
+        pytest.skip("can not connect to local blockchain", allow_module_level=True)
+
+
+@pytest.mark.run(order=1)
+def test_request_connection_error():
+    # Find available port
+    s = socket.socket()
+    s.bind(('localhost', 0))
+    port = s.getsockname()[1]
+    s.close()
+
+    if port == 0:
+        pytest.skip("could not find available port")
+    bad_endpoint = f'http://localhost:{port}'
+    bad_request = None
+    try:
+        bad_request = request.rpc_request('hmy_getNodeMetadata', endpoint=bad_endpoint)
+    except Exception as e:
+        assert isinstance(e, exceptions.RequestsError)
+    assert bad_request is None
+
+
+@pytest.mark.run(order=2)
+def test_request_rpc_error():
+    error_request = None
+    try:
+        error_request = request.rpc_request('hmy_getBalance')
+    except (exceptions.RequestsTimeoutError, exceptions.RequestsError) as err:
+        pytest.skip("can not connect to local blockchain", allow_module_level=True)
+    except Exception as e:
+        assert isinstance(e, exceptions.RPCError)
+    assert error_request is None
+
+
+@pytest.mark.run(order=3)
+def test_rpc_request():
+    endpoint = 'http://localhost:9500'
+    timeout = 30
+    method = 'hmy_getNodeMetadata'
+    params = []
+    payload = {
+        "id": "1",
+        "jsonrpc": "2.0",
+        "method": method,
+        "params": params
+    }
+    headers = {
+        'Content-Type': 'application/json'
+    }
+
+    response = None
+    try:
+        response = requests.request('POST', endpoint, headers=headers,
+                                    data=json.dumps(payload), timeout=timeout, allow_redirects=True)
+    except:
+        pytest.skip("can not connect to local blockchain")
+    assert response is not None
+
+    resp = None
+    try:
+        resp = json.loads(response.content)
+    except json.decoder.JSONDecodeError as err:
+        pytest.skip('unable to decode response')
+    assert resp is not None
+
+    rpc_response = None
+    try:
+        rpc_response = request.rpc_request(method, params, endpoint, timeout)
+    except exceptions.RPCError as e:
+        assert 'error' in resp
+
+    if rpc_response is not None:
+        assert rpc_response == resp

tests/rpc-pyhmy/conftest.py

@@ -0,0 +1,154 @@
+import json
+import time
+
+import pytest
+import requests
+
+test_validator_address = 'one18tvf56zqjkjnak686lwutcp5mqfnvee35xjnhc'
+transfer_raw_transaction = '0xf86f80843b9aca008252080180943ad89a684095a53edb47d7ddc5e034d8133667318a152d02c7e14af68000008027a0ec6c8ad0f70b3c826fa77574c6815a8f73936fafb7b2701a7082ad7d278c95a9a0429f9f166b1c1d385a4ec8f8b86604c26e427c2b0a1c85d9cf4ec6bbd0719508'
+tx_hash = '0x1fa20537ea97f162279743139197ecf0eac863278ac1c8ada9a6be5d1e31e633'
+create_validator_raw_transaction = '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'
+staking_tx_hash = '0x57ec011aabdeb078a4816502224022f291fa8b07c82bbae8476f514a1d71c730'
+
+endpoint = 'http://localhost:9500'
+endpoint_shard_one = 'http://localhost:9501'
+timeout = 30
+headers = {
+    'Content-Type': 'application/json'
+}
+
+@pytest.fixture(scope="session", autouse=True)
+def setup_blockchain():
+
+    metadata = _check_connection()
+    _check_staking_epoch(metadata)
+
+    tx_data = _check_funding_transaction()
+
+    if not tx_data['result']:
+        _send_funding_transaction()
+        time.sleep(20)  # Sleep to let cross shard transaction finalize
+
+        tx_data = _check_funding_transaction()
+        if 'error' in tx_data:
+            pytest.skip(f"Error in hmy_getTransactionByHash reply: {tx_data['error']}", allow_module_level=True)
+        if not tx_data['result']:
+            pytest.skip(f"Funding transaction failed: {tx_hash}", allow_module_level=True)
+
+
+    stx_data = _check_staking_transaction()
+
+    if not stx_data['result']:
+        _send_staking_transaction()
+        time.sleep(30)  # Sleep to let transaction finalize
+
+        stx_data = _check_staking_transaction()
+        if 'error' in stx_data:
+            pytest.skip(f"Error in hmy_getStakingTransactionByHash reply: {stx_data['error']}", allow_module_level=True)
+        if not stx_data['result']:
+            pytest.skip(f"Staking transaction failed: {staking_tx_hash}", allow_module_level=True)
+
+
+def _check_connection():
+    try:
+        payload = {
+            "id": "1",
+            "jsonrpc": "2.0",
+            "method": 'hmy_getNodeMetadata',
+            "params": []
+        }
+        response = requests.request('POST', endpoint, headers=headers,
+                                    data=json.dumps(payload), timeout=timeout, allow_redirects=True)
+        metadata = json.loads(response.content)
+        if 'error' in metadata:
+            pytest.skip(f"Error in hmy_getNodeMetadata reply: {metadata['error']}", allow_module_level=True)
+        if 'chain-config' not in metadata['result']:
+            pytest.skip("Chain config not found in hmy_getNodeMetadata reply", allow_module_level=True)
+        return metadata
+    except Exception as e:
+        pytest.skip('Can not connect to local blockchain or bad hmy_getNodeMetadata reply', allow_module_level=True)
+
+def _check_staking_epoch(metadata):
+    latest_header = None
+    try:
+        payload = {
+            "id": "1",
+            "jsonrpc": "2.0",
+            "method": 'hmy_latestHeader',
+            "params": []
+        }
+        response = requests.request('POST', endpoint, headers=headers,
+                                    data=json.dumps(payload), timeout=timeout, allow_redirects=True)
+        latest_header = json.loads(response.content)
+        if 'error' in latest_header:
+            pytest.skip(f"Error in hmy_latestHeader reply: {latest_header['error']}", allow_module_level=True)
+    except Exception as e:
+        pytest.skip('Failed to get hmy_latestHeader reply', allow_module_level=True)
+
+    if metadata and latest_header:
+        staking_epoch = metadata['result']['chain-config']['staking-epoch']
+        current_epoch = latest_header['result']['epoch']
+        if staking_epoch > current_epoch:
+            pytest.skip(f'Not staking epoch: current {current_epoch}, staking {staking_epoch}', allow_module_level=True)
+
+def _send_funding_transaction():
+    try:
+        payload = {
+            "id": "1",
+            "jsonrpc": "2.0",
+            "method": 'hmy_sendRawTransaction',
+            "params": [transfer_raw_transaction]
+        }
+        response = requests.request('POST', endpoint_shard_one, headers=headers,
+                                    data=json.dumps(payload), timeout=timeout, allow_redirects=True)
+        tx = json.loads(response.content)
+        if 'error' in tx:
+            pytest.skip(f"Error in hmy_sendRawTransaction reply: {tx['error']}", allow_module_level=True)
+    except Exception as e:
+        pytest.skip('Failed to get hmy_sendRawTransaction reply', allow_module_level=True)
+
+def _check_funding_transaction():
+    try:
+        payload = {
+            "id": "1",
+            "jsonrpc": "2.0",
+            "method": 'hmy_getTransactionByHash',
+            "params": [tx_hash]
+        }
+        response = requests.request('POST', endpoint_shard_one, headers=headers,
+                                    data=json.dumps(payload), timeout=timeout, allow_redirects=True)
+        tx_data = json.loads(response.content)
+        return tx_data
+    except Exception as e:
+        pytest.skip('Failed to get hmy_getTransactionByHash reply', allow_module_level=True)
+
+def _send_staking_transaction():
+    try:
+        payload = {
+            "id": "1",
+            "jsonrpc": "2.0",
+            "method": 'hmy_sendRawStakingTransaction',
+            "params": [create_validator_raw_transaction]
+        }
+        response = requests.request('POST', endpoint, headers=headers,
+                                    data=json.dumps(payload), timeout=timeout, allow_redirects=True)
+        staking_tx = json.loads(response.content)
+        if 'error' in staking_tx:
+            pytest.skip(f"Error in hmy_sendRawStakingTransaction reply: {staking_tx['error']}", allow_module_level=True)
+    except Exception as e:
+        pytest.skip('Failed to get hmy_sendRawStakingTransaction reply', allow_module_level=True)
+
+def _check_staking_transaction():
+    try:
+        payload = {
+            "id": "1",
+            "jsonrpc": "2.0",
+            "method": 'hmy_getStakingTransactionByHash',
+            "params": [staking_tx_hash]
+        }
+        response = requests.request('POST', endpoint, headers=headers,
+                                    data=json.dumps(payload), timeout=timeout, allow_redirects=True)
+        stx_data = json.loads(response.content)
+        return stx_data
+    except Exception as e:
+        pytest.skip('Failed to get hmy_getStakingTransactionByHash reply', allow_module_level=True)

tests/rpc-pyhmy/test_account.py

@@ -0,0 +1,56 @@
+import pytest
+import requests
+
+from pyhmy import (
+    account
+)
+
+from pyhmy.rpc import (
+    exceptions
+)
+
+
+explorer_endpoint = 'http://localhost:9599'
+endpoint_shard_one = 'http://localhost:9501'
+local_test_address = 'one1zksj3evekayy90xt4psrz8h6j2v3hla4qwz4ur'
+test_validator_address = 'one18tvf56zqjkjnak686lwutcp5mqfnvee35xjnhc'
+genesis_block_number = 0
+test_block_number = 1
+
+def _test_account_rpc(fn, *args, **kwargs):
+    if not callable(fn):
+        pytest.fail(f'Invalid function: {fn}')
+
+    try:
+        response = fn(*args, **kwargs)
+    except Exception as e:
+        if isinstance(e, exceptions.RPCError) and 'does not exist/is not available' in str(e):
+            pytest.skip(f'{str(e)}')
+        pytest.fail(f'Unexpected error: {e.__class__} {e}')
+    return response
+
+
+@pytest.mark.run(order=1)
+def test_get_balance(setup_blockchain):
+    balance = _test_account_rpc(account.get_balance, local_test_address)
+    assert balance > 0
+
+@pytest.mark.run(order=2)
+def test_get_balance_by_block(setup_blockchain):
+    balance = _test_account_rpc(account.get_balance_by_block, local_test_address, genesis_block_number)
+    assert balance > 0
+
+@pytest.mark.run(order=3)
+def test_get_transaction_count(setup_blockchain):
+    transactions = _test_account_rpc(account.get_transaction_count, local_test_address, endpoint=endpoint_shard_one)
+    assert transactions > 0
+
+@pytest.mark.run(order=4)
+def test_get_transaction_history(setup_blockchain):
+    tx_history = _test_account_rpc(account.get_transaction_history, local_test_address, endpoint=explorer_endpoint)
+    assert len(tx_history) >= 0
+
+@pytest.mark.run(order=5)
+def test_get_staking_transaction_history(setup_blockchain):
+    staking_tx_history = _test_account_rpc(account.get_staking_transaction_history, test_validator_address, endpoint=explorer_endpoint)
+    assert len(staking_tx_history) > 0

tests/rpc-pyhmy/test_blockchain.py

@@ -0,0 +1,98 @@
+import pytest
+import requests
+
+from pyhmy import (
+    blockchain
+)
+
+from pyhmy.rpc import (
+    exceptions
+)
+
+
+test_epoch_number = 0
+genesis_block_number = 0
+test_block_number = 1
+test_block_hash = None
+
+def _test_blockchain_rpc(fn, *args, **kwargs):
+    if not callable(fn):
+        pytest.fail(f'Invalid function: {fn}')
+
+    try:
+        response = fn(*args, **kwargs)
+    except Exception as e:
+        if isinstance(e, exceptions.RPCError) and 'does not exist/is not available' in str(e):
+            pytest.skip(f'{str(e)}')
+        pytest.fail(f'Unexpected error: {e.__class__} {e}')
+    return response
+
+@pytest.mark.run(order=1)
+def test_get_node_metadata(setup_blockchain):
+    _test_blockchain_rpc(blockchain.get_node_metadata)
+
+@pytest.mark.run(order=2)
+def test_get_sharding_structure(setup_blockchain):
+    _test_blockchain_rpc(blockchain.get_sharding_structure)
+
+@pytest.mark.run(order=3)
+def test_get_leader_address(setup_blockchain):
+    _test_blockchain_rpc(blockchain.get_leader_address)
+
+@pytest.mark.run(order=4)
+def test_get_block_number(setup_blockchain):
+    _test_blockchain_rpc(blockchain.get_block_number)
+
+@pytest.mark.run(order=5)
+def test_get_current_epoch(setup_blockchain):
+    _test_blockchain_rpc(blockchain.get_current_epoch)
+
+@pytest.mark.run(order=6)
+def tset_get_gas_price(setup_blockchain):
+    _test_blockchain_rpc(blockchain.get_gas_price)
+
+@pytest.mark.run(order=7)
+def test_get_num_peers(setup_blockchain):
+    _test_blockchain_rpc(blockchain.get_num_peers)
+
+@pytest.mark.run(order=8)
+def test_get_latest_header(setup_blockchain):
+    _test_blockchain_rpc(blockchain.get_latest_header)
+
+@pytest.mark.run(order=9)
+def test_get_latest_headers(setup_blockchain):
+    _test_blockchain_rpc(blockchain.get_latest_headers)
+
+@pytest.mark.run(order=10)
+def test_get_block_by_number(setup_blockchain):
+    global test_block_hash
+    block = _test_blockchain_rpc(blockchain.get_block_by_number, test_block_number)
+    test_block_hash = block['hash']
+
+@pytest.mark.run(order=11)
+def test_get_block_by_hash(setup_blockchain):
+    if not test_block_hash:
+        pytest.skip('Failed to get reference block hash')
+    _test_blockchain_rpc(blockchain.get_block_by_hash, test_block_hash)
+
+@pytest.mark.run(order=12)
+def test_get_block_transaction_count_by_number(setup_blockchain):
+    _test_blockchain_rpc(blockchain.get_block_transaction_count_by_number, test_block_number)
+
+@pytest.mark.run(order=13)
+def test_get_block_transaction_count_by_hash(setup_blockchain):
+    if not test_block_hash:
+        pytest.skip('Failed to get reference block hash')
+    _test_blockchain_rpc(blockchain.get_block_transaction_count_by_hash, test_block_hash)
+
+@pytest.mark.run(order=14)
+def test_get_blocks(setup_blockchain):
+    _test_blockchain_rpc(blockchain.get_blocks, genesis_block_number, test_block_number)
+
+@pytest.mark.run(order=15)
+def test_get_block_signers(setup_blockchain):
+    _test_blockchain_rpc(blockchain.get_block_signers, test_block_number)
+
+@pytest.mark.run(order=16)
+def test_get_validators(setup_blockchain):
+    _test_blockchain_rpc(blockchain.get_validators, test_epoch_number)

tests/rpc-pyhmy/test_staking.py

@@ -0,0 +1,66 @@
+import pytest
+import requests
+
+from pyhmy import (
+    staking
+)
+
+from pyhmy.rpc import (
+    exceptions
+)
+
+
+test_validator_address = 'one18tvf56zqjkjnak686lwutcp5mqfnvee35xjnhc'
+
+def _test_staking_rpc(fn, *args, **kwargs):
+    if not callable(fn):
+        pytest.fail(f'Invalid function: {fn}')
+
+    try:
+        response = fn(*args, **kwargs)
+    except Exception as e:
+        if isinstance(e, exceptions.RPCError) and 'does not exist/is not available' in str(e):
+            pytest.skip(f'{str(e)}')
+        pytest.fail(f'Unexpected error: {e.__class__} {e}')
+    return response
+
+@pytest.mark.run(order=1)
+def test_get_all_validator_addresses(setup_blockchain):
+    validator_addresses = _test_staking_rpc(staking.get_all_validator_addresses)
+    assert len(validator_addresses) > 0
+    assert test_validator_address in validator_addresses
+
+@pytest.mark.run(order=2)
+def test_get_validator_information(setup_blockchain):
+    _test_staking_rpc(staking.get_validator_information, test_validator_address)
+
+@pytest.mark.run(order=3)
+def test_get_all_validator_information(setup_blockchain):
+    all_validator_information = _test_staking_rpc(staking.get_all_validator_information)
+    assert len(all_validator_information) > 0
+
+@pytest.mark.run(order=4)
+def test_get_delegations_by_delegator(setup_blockchain):
+    delegations = _test_staking_rpc(staking.get_delegations_by_delegator, test_validator_address)
+    assert len(delegations) > 0
+
+@pytest.mark.run(order=5)
+def test_get_delegations_by_validator(setup_blockchain):
+    delegations = _test_staking_rpc(staking.get_delegations_by_validator, test_validator_address)
+    assert len(delegations) > 0
+
+@pytest.mark.run(order=6)
+def test_get_current_utility_metrics(setup_blockchain):
+    _test_staking_rpc(staking.get_current_utility_metrics)
+
+@pytest.mark.run(order=7)
+def test_get_staking_network_info(setup_blockchain):
+    _test_staking_rpc(staking.get_staking_network_info)
+
+@pytest.mark.run(order=8)
+def test_get_super_committees(setup_blockchain):
+    _test_staking_rpc(staking.get_super_committees)
+
+@pytest.mark.run(order=9)
+def test_get_raw_median_stake_snapshot(setup_blockchain):
+    _test_staking_rpc(staking.get_raw_median_stake_snapshot)

tests/rpc-pyhmy/test_transaction.py

@@ -0,0 +1,125 @@
+import pytest
+import requests
+
+from pyhmy import (
+    transaction
+)
+
+from pyhmy.rpc import (
+    exceptions
+)
+
+
+localhost_shard_one = 'http://localhost:9501'
+tx_hash = '0x1fa20537ea97f162279743139197ecf0eac863278ac1c8ada9a6be5d1e31e633'
+tx_block_num = None
+tx_block_hash = None
+cx_hash = '0x1fa20537ea97f162279743139197ecf0eac863278ac1c8ada9a6be5d1e31e633'
+stx_hash = '0x57ec011aabdeb078a4816502224022f291fa8b07c82bbae8476f514a1d71c730'
+stx_block_num = None
+stx_block_hash = None
+test_index = 0
+
+raw_tx = '0xf86f80843b9aca008252080180943ad89a684095a53edb47d7ddc5e034d8133667318a152d02c7e14af68000008027a0ec6c8ad0f70b3c826fa77574c6815a8f73936fafb7b2701a7082ad7d278c95a9a0429f9f166b1c1d385a4ec8f8b86604c26e427c2b0a1c85d9cf4ec6bbd0719508'
+raw_stx = '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'
+
+def _test_transaction_rpc(fn, *args, **kwargs):
+    if not callable(fn):
+        pytest.fail(f'Invalid function: {fn}')
+
+    try:
+        response = fn(*args, **kwargs)
+    except Exception as e:
+        if isinstance(e, exceptions.RPCError) and 'does not exist/is not available' in str(e):
+            pytest.skip(f'{str(e)}')
+        pytest.fail(f'Unexpected error: {e.__class__} {e}')
+    return response
+
+@pytest.mark.run(order=1)
+def test_get_pending_transactions(setup_blockchain):
+    _test_transaction_rpc(transaction.get_pending_transactions)
+
+@pytest.mark.run(order=2)
+def test_get_transaction_by_hash(setup_blockchain):
+    tx = _test_transaction_rpc(transaction.get_transaction_by_hash, tx_hash, endpoint=localhost_shard_one)
+    assert tx is not None
+    global tx_block_num
+    tx_block_num = int(tx['blockNumber'], 0)
+    global tx_block_hash
+    tx_block_hash = tx['blockHash']
+
+@pytest.mark.run(order=3)
+def test_get_transaction_by_block_hash_and_index(setup_blockchain):
+    if not tx_block_hash:
+        pytest.skip('Failed to get reference block hash')
+    tx = _test_transaction_rpc(transaction.get_transaction_by_block_hash_and_index,
+                               tx_block_hash, test_index, endpoint=localhost_shard_one)
+    assert tx is not None
+
+@pytest.mark.run(order=4)
+def test_get_transaction_by_block_number_and_index(setup_blockchain):
+    if not tx_block_num:
+        pytest.skip('Failed to get reference block num')
+    tx = _test_transaction_rpc(transaction.get_transaction_by_block_number_and_index, tx_block_num, test_index,
+                               endpoint=localhost_shard_one)
+    assert tx is not None
+
+@pytest.mark.run(order=5)
+def test_get_transaction_receipt(setup_blockchain):
+    tx_receipt = _test_transaction_rpc(transaction.get_transaction_receipt, tx_hash, endpoint=localhost_shard_one)
+    assert tx_receipt is not None
+
+@pytest.mark.run(order=6)
+def test_get_transaction_error_sink(setup_blockchain):
+    _test_transaction_rpc(transaction.get_transaction_error_sink)
+
+@pytest.mark.run(order=7)
+def test_send_raw_transaction(setup_blockchain):
+    test_tx_hash = _test_transaction_rpc(transaction.send_raw_transaction, raw_tx)
+    assert test_tx_hash == tx_hash
+
+@pytest.mark.run(order=8)
+def test_get_pending_cx_receipts(setup_blockchain):
+    _test_transaction_rpc(transaction.get_pending_cx_receipts)
+
+@pytest.mark.run(order=9)
+def test_get_cx_receipt_by_hash(setup_blockchain):
+    cx = _test_transaction_rpc(transaction.get_cx_receipt_by_hash, cx_hash)
+    assert cx is not None
+
+@pytest.mark.run(order=10)
+def test_resend_cx_receipt(setup_blockchain):
+    sent = _test_transaction_rpc(transaction.resend_cx_receipt, cx_hash)
+    assert not sent
+
+@pytest.mark.run(order=11)
+def test_get_staking_transaction_by_hash(setup_blockchain):
+    staking_tx = _test_transaction_rpc(transaction.get_staking_transaction_by_hash, stx_hash)
+    assert staking_tx is not None
+    global stx_block_num
+    stx_block_num = int(staking_tx['blockNumber'], 0)
+    global stx_block_hash
+    stx_block_hash = staking_tx['blockHash']
+
+@pytest.mark.run(order=12)
+def test_get_transaction_by_block_hash_and_index(setup_blockchain):
+    if not stx_block_hash:
+        pytest.skip('Failed to get reference block hash')
+    stx = _test_transaction_rpc(transaction.get_staking_transaction_by_block_hash_and_index, stx_block_hash, test_index)
+    assert stx is not None
+
+@pytest.mark.run(order=13)
+def test_get_transaction_by_block_number_and_index(setup_blockchain):
+    if not stx_block_num:
+        pytest.skip('Failed to get reference block num')
+    stx = _test_transaction_rpc(transaction.get_staking_transaction_by_block_number_and_index, stx_block_num, test_index)
+    assert stx is not None
+
+@pytest.mark.run(order=14)
+def test_get_staking_transaction_error_sink(setup_blockchain):
+    _test_transaction_rpc(transaction.get_staking_transaction_error_sink)
+
+@pytest.mark.run(order=15)
+def test_send_raw_staking_transaction(setup_blockchain):
+    test_stx_hash = _test_transaction_rpc(transaction.send_raw_staking_transaction, raw_stx)
+    assert test_stx_hash == stx_hash