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A Python library for interacting and working with the Woop blockchain.
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pywiki/pyhmy/account.py

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"""
Interact with accounts on the Harmony blockchain
"""
from .rpc.request import rpc_request
from .rpc.exceptions import RPCError, RequestsError, RequestsTimeoutError
from .exceptions import InvalidRPCReplyError
from .blockchain import get_sharding_structure
from .bech32.bech32 import bech32_decode
from .constants import DEFAULT_ENDPOINT, DEFAULT_TIMEOUT
def is_valid_address( address ) -> bool:
"""
Check if given string is valid one address
NOTE: This function is NOT thread safe due to the C function used by the bech32 library.
Parameters
----------
address: str
String to check if valid one address
Returns
-------
bool
Is valid address
"""
if not address.startswith( "one1" ):
return False
hrp, _ = bech32_decode( address )
if not hrp:
return False
return True
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
Raises
------
InvalidRPCReplyError
If received unknown result from endpoint
API Reference
-------------
https://api.hmny.io/#da8901d2-d237-4c3b-9d7d-10af9def05c4
"""
method = "hmyv2_getBalance"
params = [ address ]
try:
balance = rpc_request(
method,
params = params,
endpoint = endpoint,
timeout = timeout
)[ "result" ]
return int( balance ) # v2 returns the result as it is
except TypeError as exception: # check will work if rpc returns None
raise InvalidRPCReplyError( method, endpoint ) from exception
def get_balance_by_block(
address,
block_num,
endpoint = DEFAULT_ENDPOINT,
timeout = DEFAULT_TIMEOUT
) -> int:
"""Get account balance for address at a given block number.
Parameters
----------
address: str
Address to get balance for
block_num: int
Block to get balance at
endpoint: :obj:`str`, optional
Endpoint to send request to
timeout: :obj:`int`, optional
Timeout in seconds
Returns
-------
int
Account balance in ATTO
Raises
------
InvalidRPCReplyError
If received unknown result from endpoint
API Reference
-------------
https://api.hmny.io/#9aeae4b8-1a09-4ed2-956b-d7c96266dd33
https://github.com/harmony-one/harmony/blob/9f320436ff30d9babd957bc5f2e15a1818c86584/rpc/blockchain.go#L92
"""
method = "hmyv2_getBalanceByBlockNumber"
params = [ address, block_num ]
try:
balance = rpc_request(
method,
params = params,
endpoint = endpoint,
timeout = timeout
)[ "result" ]
return int( balance )
except TypeError as exception:
raise InvalidRPCReplyError( method, endpoint ) from exception
def get_account_nonce(
address,
block_num = "latest",
endpoint = DEFAULT_ENDPOINT,
timeout = DEFAULT_TIMEOUT
) -> int:
"""Get the account nonce.
Parameters
----------
address: str
Address to get transaction count for
block_num: :obj:`int` or 'latest'
Block to get nonce at
endpoint: :obj:`str`, optional
Endpoint to send request to
timeout: :obj:`int`, optional
Timeout in seconds
Returns
-------
int
Account nonce
Raises
------
InvalidRPCReplyError
If received unknown result from endpoint
API Reference
-------------
https://github.com/harmony-one/harmony/blob/9f320436ff30d9babd957bc5f2e15a1818c86584/rpc/transaction.go#L51
"""
method = "hmyv2_getAccountNonce"
params = [ address, block_num ]
try:
nonce = rpc_request(
method,
params = params,
endpoint = endpoint,
timeout = timeout
)[ "result" ]
return int( nonce )
except TypeError as exception:
raise InvalidRPCReplyError( method, endpoint ) from exception
def get_nonce(
address,
block_num = "latest",
endpoint = DEFAULT_ENDPOINT,
timeout = DEFAULT_TIMEOUT
) -> int:
"""See get_account_nonce."""
return get_account_nonce( address, block_num, endpoint, timeout )
def get_transaction_count(
address,
block_num,
endpoint = DEFAULT_ENDPOINT,
timeout = DEFAULT_TIMEOUT
) -> int:
"""Get the number of transactions the given address has sent for the given
block number Legacy for apiv1. For apiv2, please use
get_account_nonce/get_transactions_count/get_staking_transactions_count
apis for more granular transaction counts queries.
Parameters
----------
address: str
Address to get transaction count for
block_num: :obj:`int` or 'latest'
Block to get nonce at
endpoint: :obj:`str`, optional
Endpoint to send request to
timeout: :obj:`int`, optional
Timeout in seconds
Returns
-------
int
The number of transactions the given address has sent for the given block number
Raises
------
InvalidRPCReplyError
If received unknown result from endpoint
API Reference
-------------
https://github.com/harmony-one/harmony/blob/9f320436ff30d9babd957bc5f2e15a1818c86584/rpc/transaction.go#L69
"""
method = "hmyv2_getTransactionCount"
params = [ address, block_num ]
try:
nonce = rpc_request(
method,
params = params,
endpoint = endpoint,
timeout = timeout
)[ "result" ]
return int( nonce )
except TypeError as exception:
raise InvalidRPCReplyError( method, endpoint ) from exception
def get_transactions_count(
address,
tx_type,
endpoint = DEFAULT_ENDPOINT,
timeout = DEFAULT_TIMEOUT
) -> int:
"""Get the number of regular transactions from genesis of input type.
Parameters
----------
address: str
Address to get transaction count for
tx_type: str
Type of transactions to include in the count
currently supported are 'SENT', 'RECEIVED', 'ALL'
endpoint: :obj:`str`, optional
Endpoint to send request to
timeout: :obj:`int`, optional
Timeout in seconds
Returns
-------
int
Count of transactions of type tx_type
Raises
------
InvalidRPCReplyError
If received unknown result from endpoint
API Reference
-------------
https://api.hmny.io/#fc97aed2-e65e-4cf4-bc01-8dadb76732c0
https://github.com/harmony-one/harmony/blob/9f320436ff30d9babd957bc5f2e15a1818c86584/rpc/transaction.go#L114
"""
method = "hmyv2_getTransactionsCount"
params = [ address, tx_type ]
try:
tx_count = rpc_request(
method,
params = params,
endpoint = endpoint,
timeout = timeout
)[ "result" ]
return int( tx_count )
except TypeError as exception:
raise InvalidRPCReplyError( method, endpoint ) from exception
def get_staking_transactions_count(
address,
tx_type,
endpoint = DEFAULT_ENDPOINT,
timeout = DEFAULT_TIMEOUT
) -> int:
"""Get the number of staking transactions from genesis of input type
("SENT", "RECEIVED", "ALL")
Parameters
----------
address: str
Address to get staking transaction count for
tx_type: str
Type of staking transactions to include in the count
currently supported are 'SENT', 'RECEIVED', 'ALL'
endpoint: :obj:`str`, optional
Endpoint to send request to
timeout: :obj:`int`, optional
Timeout in seconds
Returns
-------
int
Count of staking transactions of type tx_type
Raises
------
InvalidRPCReplyError
If received unknown result from endpoint
API Reference
-------------
https://api.hmny.io/#ddc1b029-f341-4c4d-ba19-74b528d6e5e5
https://github.com/harmony-one/harmony/blob/9f320436ff30d9babd957bc5f2e15a1818c86584/rpc/transaction.go#L134
"""
method = "hmyv2_getStakingTransactionsCount"
params = [ address, tx_type ]
try:
tx_count = rpc_request(
method,
params = params,
endpoint = endpoint,
timeout = timeout
)[ "result" ]
return int( tx_count )
except ( KeyError, TypeError ) as exception:
raise InvalidRPCReplyError( method, endpoint ) from exception
def get_transaction_history( # pylint: disable=too-many-arguments
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 (oldest first)
'DESC' to sort transactions in descending order based on timestamp (newest first)
endpoint: :obj:`str`, optional
Endpoint to send request to
timeout: :obj:`int`, optional
Timeout in seconds
Returns
-------
list of transactions
if include_full_tx is True, each transaction is a dictionary with the following keys
see transaction/get_transaction_by_hash for a description
if include_full_tx is False, each element represents the transaction hash
Raises
------
InvalidRPCReplyError
If received unknown result from endpoint
API Reference
-------------
https://api.hmny.io/#2200a088-81b5-4420-a291-312a7c6d880e
https://github.com/harmony-one/harmony/blob/9f320436ff30d9babd957bc5f2e15a1818c86584/rpc/transaction.go#L255
"""
params = [
{
"address": address,
"pageIndex": page,
"pageSize": page_size,
"fullTx": include_full_tx,
"txType": tx_type,
"order": order,
}
]
method = "hmyv2_getTransactionsHistory"
try:
tx_history = rpc_request(
method,
params = params,
endpoint = endpoint,
timeout = timeout
)
return tx_history[ "result" ][ "transactions" ]
except KeyError as exception:
raise InvalidRPCReplyError( method, endpoint ) from exception
def get_staking_transaction_history( # pylint: disable=too-many-arguments
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 of transactions
if include_full_tx is True, each transaction is a dictionary with the following kets
blockHash: :obj:`str` Block hash that transaction was finalized or
"0x0000000000000000000000000000000000000000000000000000000000000000" if tx is pending
blockNumber: :obj:`int` Block number that transaction was finalized; None if tx is pending
from: :obj:`str` Wallet address
timestamp: :obj:`int` Timestamp in Unix time when transaction was finalized
gas: :obj:`int` Gas limit in Atto
gasPrice :obj:`int` Gas price in Atto
hash: :obj:`str` Transaction hash
nonce: :obj:`int` Wallet nonce for the transaction
transactionIndex: :obj:`int` Index of transaction in block; None if tx is pending
type: :obj:`str` Type of staking transaction
for example, "CollectRewards", "Delegate", "Undelegate"
msg: :obj:`dict` Message attached to the staking transaction
r: :obj:`str` First 32 bytes of the transaction signature
s: :obj:`str` Next 32 bytes of the transaction signature
v: :obj:`str` Recovery value + 27, as hex string
if include_full_tx is False, each element represents the transaction hash
Raises
------
InvalidRPCReplyError
If received unknown result from endpoint
API Reference
-------------
https://api.hmny.io/#c5d25b36-57be-4e43-a23b-17ace350e322
https://github.com/harmony-one/harmony/blob/9f320436ff30d9babd957bc5f2e15a1818c86584/rpc/transaction.go#L303
"""
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
method = "hmyv2_getStakingTransactionsHistory"
try:
stx_history = rpc_request(
method,
params = params,
endpoint = endpoint,
timeout = timeout
)[ "result" ]
return stx_history[ "staking_transactions" ]
except KeyError as exception:
raise InvalidRPCReplyError( method, endpoint ) from exception
def get_balance_on_all_shards(
address,
skip_error = True,
endpoint = DEFAULT_ENDPOINT,
timeout = DEFAULT_TIMEOUT
) -> list:
"""Get current account balance in all shards & optionally report errors
getting account balance for a shard.
Parameters
----------
address: str
Address to get balance for
skip_error: :obj:`bool`, optional
True to ignore errors getting balance for shard
False to include errors when getting balance for shard
endpoint: :obj:`str`, optional
Endpoint to send request to
timeout: :obj:`int`, optional
Timeout in seconds per request
Returns
-------
list of dictionaries, each dictionary to contain shard number and balance of that shard in ATTO
Example reply:
[
{
'shard': 0,
'balance': 0,
},
...
]
"""
balances = []
sharding_structure = get_sharding_structure(
endpoint = endpoint,
timeout = timeout
)
for shard in sharding_structure:
try:
balances.append(
{
"shard": shard[ "shardID" ],
"balance": get_balance(
address,
endpoint = shard[ "http" ],
timeout = timeout
),
}
)
except ( KeyError, RPCError, RequestsError, RequestsTimeoutError ):
if not skip_error:
balances.append(
{
"shard": shard[ "shardID" ],
"balance": None
}
)
return balances
def get_total_balance(
address,
endpoint = DEFAULT_ENDPOINT,
timeout = DEFAULT_TIMEOUT
) -> int:
"""Get total account balance on 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
-------
int
Total account balance in ATTO
Raises
------
RuntimeError
If error occurred getting account balance for a shard
See also
------
get_balance_on_all_shards
"""
try:
balances = get_balance_on_all_shards(
address,
skip_error = False,
endpoint = endpoint,
timeout = timeout
)
return sum( b[ "balance" ] for b in balances )
except TypeError as exception:
raise RuntimeError from exception