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feat: Add token symbol proof metadata references

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This commit is contained in:
Louis Holbrook 2021-10-25 18:55:42 +00:00
parent 4518c8b700
commit a707f12086
12 changed files with 167 additions and 80 deletions
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3
cic/attachment.py
View File

@ -44,7 +44,7 @@ class Attachment(Data):
return self.contents
def process(self, token_address=None, writer=None):
def process(self, token_address=None, token_symbol=None, writer=None):
if writer == None:
writer = self.writer
@ -59,7 +59,6 @@ class Attachment(Data):
def __str__(self):
s = ''
#for i in range(len(self.contents)):
for k in self.contents.keys():
s += '{} = {}\n'.format(k, self.contents[k]) #self.digests[i].hex(), self.contents[i])

11
cic/cmd/export.py
View File

@ -12,7 +12,10 @@ from cic import (
Proof,
Processor,
)
from cic.output import HTTPWriter
from cic.output import (
HTTPWriter,
KeyedWriterFactory,
)
from cic.meta import (
Meta,
MetadataWriter,
@ -66,8 +69,8 @@ def execute(config, eargs):
MetadataSigner.gpg_path = os.path.join('/tmp')
MetadataSigner.key_file_path = '/home/lash/src/client/cic/grassrootseconomics/cic-internal-integration/apps/cic-ussd/tests/data/pgp/privatekeys_meta.asc'
MetadataSigner.gpg_passphrase = 'merman'
writers['proof'] = HTTPWriter
writers['attachment'] = HTTPWriter
writers['proof'] = KeyedWriterFactory(MetadataWriter, HTTPWriter).new
writers['attachment'] = KeyedWriterFactory(None, HTTPWriter).new
writers['meta'] = MetadataWriter
output_writer_path_meta = eargs.metadata_endpoint
@ -77,10 +80,10 @@ def execute(config, eargs):
cp = Proof(path=eargs.directory, attachments=ca, writer=writers['proof'](path=output_writer_path_meta))
cn = Network(path=eargs.directory)
ca.load()
ct.load()
cp.load()
cm.load()
ca.load()
cn.load()
chain_spec = None

3
cic/data/proof_template_v0.json
View File

@ -2,5 +2,6 @@
"version": 0,
"namespace": "ge",
"issuer": "",
"description": ""
"description": null,
"proofs": []
}

40
cic/ext/eth/__init__.py
View File

@ -224,24 +224,28 @@ class CICEth(Extension):
c = Declarator(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle, gas_oracle=gas_oracle)
results = []
(main_proof, all_proofs) = self.proof.get()
for proof in all_proofs:
logg.debug('proof {} '.format(proof))
k = 'address_declarator_' + proof
o = c.add_declaration(contract_address, signer_address, self.token_address, proof, tx_format=self.tx_format)
r = None
if self.rpc != None:
r = self.rpc.do(o[1])
self.rpc.wait(r)
elif self.signer != None:
r = o[1]
else:
r = o
self.add_outputs(k, r)
results.append(r)
v = r.encode('utf-8')
if writer != None:
writer.write(k, v)
#(main_proof, all_proofs) = self.proof.get()
#for proof in all_proofs:
#logg.debug('proof {} '.format(proof))
(k, v) = self.proof.root()
fk = 'address_declarator_' + k
o = c.add_declaration(contract_address, signer_address, self.token_address, k, tx_format=self.tx_format)
r = None
if self.rpc != None:
r = self.rpc.do(o[1])
self.rpc.wait(r)
elif self.signer != None:
r = o[1]
else:
r = o
self.add_outputs(fk, r)
results.append(r)
v = r.encode('utf-8')
if writer != None:
writer.write(fk, v)
return results

3
cic/extension.py
View File

@ -95,6 +95,7 @@ class Extension:
tasks = []
self.token_address = self.resources['token']['reference']
# TODO: get token details when token address is not none
if self.token_address == None:
if self.token_details['code'] == None:
raise RuntimeError('neither token address nor token code has been set')
@ -114,4 +115,4 @@ class Extension:
logg.debug('ciceth adapter process {}'.format(task))
r = getattr(self, 'process_' + task)(writer=writer)
return self.token_address
return (self.token_address, self.token_details['symbol'])

28
cic/meta.py
View File

@ -1,6 +1,8 @@
# standard imports
import os
import json
import logging
import base64
# external imports
from cic_types import MetadataPointer
@ -14,6 +16,7 @@ from .base import (
data_dir,
)
from cic.output import OutputWriter
logg = logging.getLogger(__name__)
class Meta(Data):
@ -66,12 +69,18 @@ class Meta(Data):
}
def process(self, token_address=None, writer=None):
def process(self, token_address=None, token_symbol=None, writer=None):
if writer == None:
writer = self.writer
k = self.reference(token_address)
v = json.dumps(self.asdict())
token_address_bytes = bytes.fromhex(strip_0x(token_address))
k = generate_metadata_pointer(token_address_bytes, MetadataPointer.TOKEN_META)
writer.write(k, v.encode('utf-8'))
token_symbol_bytes = token_symbol.encode('utf-8')
k = generate_metadata_pointer(token_symbol_bytes, MetadataPointer.TOKEN_META_SYMBOL)
writer.write(k, v.encode('utf-8'))
return (k, v)
@ -91,5 +100,16 @@ class Meta(Data):
class MetadataWriter(OutputWriter):
def write(self, k, v):
rq = MetadataRequestsHandler(MetadataPointer.TOKEN_META, bytes.fromhex(k))
return rq.create(json.loads(v.decode('utf-8')))
rq = MetadataRequestsHandler(MetadataPointer.NONE, bytes.fromhex(k))
try:
v = v.decode('utf-8')
v = json.loads(v)
logg.debug('metadatawriter bindecode {} {}'.format(k, v))
except UnicodeDecodeError:
v = base64.b64encode(v).decode('utf-8')
v = json.loads(json.dumps(v))
logg.debug('metadatawriter b64encode {} {}'.format(k, v))
r = rq.create(v)
logg.info('metadata submitted at {}'.format(k))
return r

46
cic/output.py
View File

@ -48,6 +48,48 @@ class HTTPWriter(OutputWriter):
def write(self, k, v):
rq = urllib.request.Request(self.path, method='POST', data=v)
path = self.path
if k != None:
path = os.path.join(path, k)
logg.debug('http writer post {}'.format(path))
rq = urllib.request.Request(path, method='POST', data=v)
r = urllib.request.urlopen(rq)
logg.info('proof submited at {}'.format(r.read))
logg.info('http writer submitted at {}'.format(r.read()))
class KeyedWriter(OutputWriter):
def __init__(self, writer_keyed, writer_immutable):
self.writer_keyed = writer_keyed
self.writer_immutable = writer_immutable
def write(self, k, v):
logg.debug('writing keywriter {} {}'.format(k, v))
if isinstance(v, str):
v = v.encode('utf-8')
if self.writer_keyed != None:
self.writer_keyed.write(k, v)
if self.writer_immutable != None:
self.writer_immutable.write(None, v)
class KeyedWriterFactory:
def __init__(self, key_writer_constructor, immutable_writer_constructor, *args, **kwargs):
self.key_writer_constructor = key_writer_constructor
self.immutable_writer_constructor = immutable_writer_constructor
self.x = {}
for k in kwargs.keys():
logg.debug('adding key {} t keyed writer factory'.format(k))
self.x[k] = kwargs[k]
def new(self, path=None, *args, **kwargs):
writer_keyed = None
writer_immutable = None
if self.key_writer_constructor != None:
writer_keyed = self.key_writer_constructor(path, **self.x)
if self.immutable_writer_constructor != None:
writer_immutable = self.immutable_writer_constructor(path, **self.x)
return KeyedWriter(writer_keyed, writer_immutable)

4
cic/processor.py
View File

@ -39,7 +39,7 @@ class Processor:
]
for ext in self.extensions:
token_address = ext.process()
(token_address, token_symbol) = ext.process()
for task in tasks:
a = self.cores.get(task)
@ -47,5 +47,5 @@ class Processor:
if a == None:
logg.debug('skipping missing task receiver "{}"'.format(task))
continue
v = a.process(token_address=token_address, writer=self.__outputs_writer)
v = a.process(token_address=token_address, token_symbol=token_symbol, writer=self.__outputs_writer)
self.outputs.append(v)

88
cic/proof.py
View File

@ -22,6 +22,7 @@ class Proof(Data):
def __init__(self, path='.', attachments=None, writer=None):
super(Proof, self).__init__()
self.proofs = []
self.namespace = 'ge'
self.description = None
self.path = path
@ -43,6 +44,15 @@ class Proof(Data):
self.description = o['description']
self.namespace = o['namespace']
self.issuer = o['issuer']
self.proofs = o['proofs']
if self.extra_attachments != None:
a = self.extra_attachments.asdict()
for k in a.keys():
self.attachments[k] = a[k]
hshs = self.__get_ordered_hashes()
self.proofs = list(map(strip_0x, hshs))
self.inited = True
@ -67,6 +77,7 @@ class Proof(Data):
'namespace': self.namespace,
'description': self.description,
'issuer': self.issuer,
'proofs': self.proofs,
}
@ -77,50 +88,65 @@ class Proof(Data):
return ks
def get(self):
v = self.asdict()
b = cbor2.dumps(v)
# def get(self):
# hsh = self.hash(b).hex()
# self.attachments[hsh] = self.temp_proof_path
# logg.debug('cbor of {} is {} hashes to {}'.format(v, b.hex(), hsh))
f = open(self.temp_proof_path, 'wb')
def root(self):
v = self.asdict()
#b = cbor2.dumps(v)
b = json.dumps(v)
f = open(self.temp_proof_path, 'w')
f.write(b)
f.close()
hsh = self.hash(b).hex()
self.attachments[hsh] = self.temp_proof_path
logg.debug('cbor of {} is {} hashes to {}'.format(v, b.hex(), hsh))
k = self.hash(b.encode('utf-8'))
if self.extra_attachments != None:
a = self.extra_attachments.asdict()
for k in a.keys():
self.attachments[k] = a[k]
hshs = self.__get_ordered_hashes()
return (hsh, hshs)
return (k.hex(), b)
def process(self, token_address=None, writer=None):
def process(self, token_address=None, token_symbol=None, writer=None):
if writer == None:
writer = self.writer
(hsh, hshs) = self.get()
hshs = list(map(strip_0x, hshs))
hshs_bin = list(map(bytes.fromhex, hshs))
hshs_cat = b''.join(hshs_bin)
f = open(self.temp_proof_path, 'rb')
v = f.read()
(k, v) = self.root()
writer.write(k, v)
token_symbol_bytes = token_symbol.encode('utf-8')
k = generate_metadata_pointer(token_symbol_bytes, MetadataPointer.TOKEN_PROOF_SYMBOL)
writer.write(k, v)
token_address_bytes = bytes.fromhex(strip_0x(token_address))
k = generate_metadata_pointer(token_address_bytes, MetadataPointer.TOKEN_PROOF)
writer.write(k, v)
# (hsh, hshs) = self.get()
#hshs = list(map(strip_0x, hshs))
# hshs_bin = list(map(bytes.fromhex, hshs))
# hshs_cat = b''.join(hshs_bin)
# f = open(self.temp_proof_path, 'rb')
# v = f.read()
# f.close()
# writer.write(hsh, v)
# r = self.hash(hshs_cat)
# r_hex = r.hex()
#logg.debug('generated proof {} for hashes {}'.format(r_hex, hshs))
#writer.write(r_hex, hshs_cat)
o = self.asdict()
f = open(self.proof_path, 'w')
json.dump(o, f, sort_keys=True, indent="\t")
f.close()
writer.write(hsh, v)
r = self.hash(hshs_cat)
r_hex = r.hex()
logg.debug('generated proof {} for hashes {}'.format(r_hex, hshs))
writer.write(r_hex, hshs_cat)
return r_hex
return k
def __str__(self):

2
requirements.txt
View File

@ -1,5 +1,5 @@
funga-eth>=0.5.0a1,<0.6.0
cic-types>=0.2.0a4,<=0.2.0
cic-types>=0.2.1a1,<=0.2.1
confini>=0.4.2rc3,<0.5.0
chainlib>=0.0.10a3,<0.1.0
cbor2==5.4.1

4
tests/base_cic.py
View File

@ -22,8 +22,7 @@ test_data_dir = os.path.join(test_base_dir, 'testdata')
proof_hash = '0f6fc017f29caf512c0feaaf83bc10614b488311cace2973dc248dc24b01e04f'
foo_hash = '2c26b46b68ffc68ff99b453c1d30413413422d706483bfa0f98a5e886266e7ae'
bar_hash = 'fcde2b2edba56bf408601fb721fe9b5c338d10ee429ea04fae5511b68fbf8fb9'
root_merged_hash = 'ba135f8518d36af5fa65c59317ea9602c4b654d998ea9097ecf81e0638a03441'
root_unmerged_hash = '68ccfe99fd905be439b09dcd780993865598605b8492462a6fc4f127b688fef6'
root_merged_hash = '4bd0ad4305a5fee20fb80e179a437c296f6a769ca376d746a3848a80e9b7a1a6'
class TestCICBase(unittest.TestCase):
@ -37,6 +36,7 @@ class TestCICBase(unittest.TestCase):
add_0x(random.randbytes(20).hex()),
add_0x(random.randbytes(20).hex()),
]
self.token_symbol = 'FOO'
self.token_address = add_0x(random.randbytes(32).hex())
self.token_index_address = add_0x(random.randbytes(32).hex())
self.address_declarator_address = add_0x(random.randbytes(32).hex())

11
tests/test_proof.py
View File

@ -12,7 +12,6 @@ from tests.base_cic import (
test_data_dir,
TestCICBase,
root_merged_hash,
root_unmerged_hash,
)
logging.basicConfig(level=logging.DEBUG)
@ -20,14 +19,6 @@ logg = logging.getLogger()
class TestProof(TestCICBase):
def test_proof_serialize(self):
proof_path = os.path.join(test_data_dir, 'proof')
c = Proof(path=proof_path, writer=self.outputs_writer)
c.load()
v = c.process()
self.assertEqual(v, root_unmerged_hash)
def test_proof_serialize_merge(self):
proof_path = os.path.join(test_data_dir, 'proof')
@ -36,7 +27,7 @@ class TestProof(TestCICBase):
c = Proof(path=proof_path, attachments=attach, writer=self.outputs_writer)
c.load()
v = c.process()
v = c.process(token_address=self.token_address, token_symbol=self.token_symbol)
self.assertEqual(v, root_merged_hash)