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compose_sign_and_send_extrinsic(substrate) - both results (bottom) done with rc3 - added python @quickstart - cleaned up, new scalecodec version
#!/usr/bin/env python3
"""
@summary: Send extrinsic - how to? Example doesn't work yet for substrate & node-template.
For reporting in https://github.com/polkascan/py-substrate-interface/issues/14
Output RESULTS = see bottom of this file
@version: v05 (25/June/2020)
@since: 10/June/2020
@author: https://github.com/drandreaskrueger
@see: https://github.com/drandreaskrueger/chainhammer-substrate for updates
@attention: versions:
pip freeze | grep "scalecodec\|substrate"
scalecodec==0.9.55
substrate-interface==0.9.14
@quickstart:
python3 -m venv env
source env/bin/activate
pip3 install --upgrade pip
pip3 install substrate-interface
wget https://gist.githubusercontent.com/drandreaskrueger/053bfe0c8ddfaeeb50134a977708f999/raw -O send_extrinsic.py
node-template --dev
python3 send_extrinsic.py
"""
from substrateinterface import SubstrateInterface, Keypair, SubstrateRequestException
from pprint import pformat, pprint
# URL = "ws://127.0.0.1:9944"
URL = "http://127.0.0.1:9933"
def compose_sign_and_send_extrinsic(substrate):
"""
see https://github.com/polkascan/py-substrate-interface/issues/14
"""
keypair = Keypair.create_from_mnemonic('episode together nose spoon dose oil faculty zoo ankle evoke admit walnut')
print ("sending from:", keypair.ss58_address)
BOB_ADDRESS = '5FHneW46xGXgs5mUiveU4sbTyGBzmstUspZC92UhjJM694ty'
call = substrate.compose_call(
call_module='Balances', call_function='transfer',
call_params={
'dest': BOB_ADDRESS,
'value': 1 * 10**12})
try:
extrinsic = substrate.create_signed_extrinsic(call=call, keypair=keypair)
# result = substrate.submit_extrinsic(extrinsic, wait_for_inclusion=True) # works only with ws not http
result = substrate.submit_extrinsic(extrinsic) # works with both http AND ws
print("Extrinsic '{}' sent and included in block '{}'".format(result['extrinsic_hash'], result.get('block_hash', None)))
except (SubstrateRequestException, ValueError) as e:
print("Failed to send: {} with args:".format(type(e)))
print("{}".format(pformat(e.args[0])))
custom_type_registry_1 = { "runtime_id": 1,
"types": {
"Address": "AccountIdAddress",
"ExtrinsicPayloadValue": {
"type": "struct",
"type_mapping": [
["call", "CallBytes"],
["era", "Era"],
["nonce", "Compact<Index>"],
["tip", "Compact<Balance>"],
["specVersion", "u32"],
["genesisHash", "Hash"],
["blockHash", "Hash"]
]
}
},
"versioning": [
]
}
custom_type_registry_2 = {"please help" : "thanks."}
def with_custom_type_registry(custom_type_registry):
substrate = SubstrateInterface(url=URL,
address_type=42,
type_registry_preset='default',
type_registry=custom_type_registry)
return substrate
def print_getRuntimeVersion(substrate):
print ("get_version() = %s" % substrate.get_version())
grv=substrate.rpc_request(method="chain_getRuntimeVersion", params=[])
print ("chain_getRuntimeVersion()['result']:")
pprint(grv['result'])
if __name__ == '__main__':
substrate = SubstrateInterface( url=URL )
print_getRuntimeVersion(substrate)
print ("\nDefault SubstrateInterface:")
compose_sign_and_send_extrinsic(substrate)
print ("\nSubstrateInterface with custom type registry:")
substrate=with_custom_type_registry(custom_type_registry_1)
compose_sign_and_send_extrinsic(substrate)
"""
######################################
# RESULTS:
# first: node-template --dev
# second: substrate --dev
######################################
#########################
### node-template --dev
#########################
get_version() = 2.0.0-rc3-f5acce1-x86_64-linux-gnu
chain_getRuntimeVersion()['result']:
{'apis': [['0xdf6acb689907609b', 3],
['0x37e397fc7c91f5e4', 1],
['0x40fe3ad401f8959a', 4],
['0xd2bc9897eed08f15', 2],
['0xf78b278be53f454c', 2],
['0xdd718d5cc53262d4', 1],
['0xab3c0572291feb8b', 1],
['0xed99c5acb25eedf5', 2]],
'authoringVersion': 1,
'implName': 'node-template',
'implVersion': 1,
'specName': 'node-template',
'specVersion': 1,
'transactionVersion': 1}
Default SubstrateInterface:
sending from: 5HmubXCdmtEvKmvqjJ7fXkxhPXcg6JTS62kMMphqxpEE6zcG
Failed to send: <class 'substrateinterface.exceptions.SubstrateRequestException'> with args:
{'code': 1002,
'data': 'RuntimeApi("Execution(ApiError(\\"Could not convert parameter `tx` '
'between node and runtime: No such variant in enum '
'MultiSignature\\"))")',
'message': 'Verification Error: Execution(ApiError("Could not convert '
'parameter `tx` between node and runtime: No such variant in enum '
'MultiSignature"))'}
SubstrateInterface with custom type registry:
sending from: 5HmubXCdmtEvKmvqjJ7fXkxhPXcg6JTS62kMMphqxpEE6zcG
Failed to send: <class 'substrateinterface.exceptions.SubstrateRequestException'> with args:
{'code': 1010, 'data': 'BadProof', 'message': 'Invalid Transaction'}
#####################
### substrate --dev
#####################
get_version() = 2.0.0-rc3-34695a856-x86_64-linux-gnu
chain_getRuntimeVersion()['result']:
{'apis': [['0xdf6acb689907609b', 3],
['0x37e397fc7c91f5e4', 1],
['0x40fe3ad401f8959a', 4],
['0xd2bc9897eed08f15', 2],
['0xf78b278be53f454c', 2],
['0xed99c5acb25eedf5', 2],
['0xcbca25e39f142387', 2],
['0x687ad44ad37f03c2', 1],
['0xbc9d89904f5b923f', 1],
['0x68b66ba122c93fa7', 1],
['0x37c8bb1350a9a2a8', 1],
['0xab3c0572291feb8b', 1]],
'authoringVersion': 10,
'implName': 'substrate-node',
'implVersion': 2,
'specName': 'node',
'specVersion': 251,
'transactionVersion': 1}
Default SubstrateInterface:
sending from: 5HmubXCdmtEvKmvqjJ7fXkxhPXcg6JTS62kMMphqxpEE6zcG
Failed to send: <class 'substrateinterface.exceptions.SubstrateRequestException'> with args:
{'code': 1010, 'data': 'Payment', 'message': 'Invalid Transaction'}
SubstrateInterface with custom type registry:
sending from: 5HmubXCdmtEvKmvqjJ7fXkxhPXcg6JTS62kMMphqxpEE6zcG
Failed to send: <class 'substrateinterface.exceptions.SubstrateRequestException'> with args:
{'code': 1002,
'data': 'RuntimeApi("Execution(ApiError(\\"Could not convert parameter `tx` '
'between node and runtime: No such variant in enum '
'MultiSignature\\"))")',
'message': 'Verification Error: Execution(ApiError("Could not convert '
'parameter `tx` between node and runtime: No such variant in enum '
'MultiSignature"))'}
"""
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