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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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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
)
_default_endpoint = 'http://localhost:9500'
_default_timeout = 30
_address_length = 42
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 e: # check will work if rpc returns None
raise InvalidRPCReplyError(method, endpoint) from e
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 e:
raise InvalidRPCReplyError(method, endpoint) from e
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 e:
raise InvalidRPCReplyError(method, endpoint) from e
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 e:
raise InvalidRPCReplyError(method, endpoint) from e
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 e:
raise InvalidRPCReplyError(method, endpoint) from e
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 e:
raise InvalidRPCReplyError(method, endpoint) from e
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 (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 e:
raise InvalidRPCReplyError(method, endpoint) from e
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 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; "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 e:
raise InvalidRPCReplyError(method, endpoint) from e
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 e:
raise RuntimeError from e