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docs: MIMO code and explanation

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diminator
2016-04-19 11:25:29 +02:00
parent 41dd9276a8
commit 37ef8deb5b
3 changed files with 171 additions and 13 deletions
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61
tests/doc/run_doc_python_server_api_examples.py
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@@ -1,15 +1,17 @@
import copy
import json
from time import sleep
from cryptoconditions import Ed25519Fulfillment, ThresholdSha256Fulfillment
from cryptoconditions.fulfillment import Fulfillment
import cryptoconditions as cc
from bigchaindb import Bigchain, util, crypto, exceptions
b = Bigchain()
"""
Create a Digital Asset
"""
# create a test user
testuser1_priv, testuser1_pub = crypto.generate_key_pair()
@@ -29,6 +31,10 @@ b.write_transaction(tx_signed)
sleep(10)
"""
Read the Creation Transaction from the DB
"""
tx_retrieved = b.get_transaction(tx_signed['id'])
print(json.dumps(tx_retrieved, sort_keys=True, indent=4, separators=(',', ':')))
@@ -37,6 +43,11 @@ print(testuser1_pub)
print(b.me)
print(tx_retrieved['id'])
"""
Transfer the Digital Asset
"""
# create a second testuser
testuser2_priv, testuser2_pub = crypto.generate_key_pair()
@@ -59,6 +70,9 @@ sleep(10)
tx_transfer_retrieved = b.get_transaction(tx_transfer_signed['id'])
print(json.dumps(tx_transfer_retrieved, sort_keys=True, indent=4, separators=(',', ':')))
"""
Double Spends
"""
# create another transfer transaction with the same input
tx_transfer2 = b.create_transaction(testuser1_pub, testuser2_pub, tx_retrieved_id, 'TRANSFER')
@@ -72,6 +86,10 @@ try:
except exceptions.DoubleSpend as e:
print(e)
"""
Multiple Owners
"""
# Create a new asset and assign it to multiple owners
tx_multisig = b.create_transaction(b.me, [testuser1_pub, testuser2_pub], None, 'CREATE')
@@ -103,6 +121,33 @@ tx_multisig_retrieved = b.get_transaction(tx_multisig_transfer_signed['id'])
print(json.dumps(tx_multisig_transfer_signed, sort_keys=True, indent=4, separators=(',', ':')))
"""
Multiple Inputs and Outputs
"""
for i in range(3):
tx_mimo_asset = b.create_transaction(b.me, testuser1_pub, None, 'CREATE')
tx_mimo_asset_signed = b.sign_transaction(tx_mimo_asset, b.me_private)
b.write_transaction(tx_mimo_asset_signed)
sleep(10)
# get inputs
owned_mimo_inputs = b.get_owned_ids(testuser1_pub)
print(len(owned_mimo_inputs))
# create a transaction
tx_mimo = b.create_transaction(testuser1_pub, testuser2_pub, owned_mimo_inputs, 'TRANSFER')
tx_mimo_signed = b.sign_transaction(tx_mimo, testuser1_priv)
# write the transaction
b.write_transaction(tx_mimo_signed)
print(json.dumps(tx_mimo_signed, sort_keys=True, indent=4, separators=(',', ':')))
"""
Threshold Conditions
"""
# create some new testusers
thresholduser1_priv, thresholduser1_pub = crypto.generate_key_pair()
thresholduser2_priv, thresholduser2_pub = crypto.generate_key_pair()
@@ -116,10 +161,10 @@ threshold_tx = b.create_transaction(testuser2_pub, [thresholduser1_pub, threshol
tx_retrieved_id, 'TRANSFER')
# create a 2-out-of-3 Threshold Cryptocondition
threshold_condition = ThresholdSha256Fulfillment(threshold=2)
threshold_condition.add_subfulfillment(Ed25519Fulfillment(public_key=thresholduser1_pub))
threshold_condition.add_subfulfillment(Ed25519Fulfillment(public_key=thresholduser2_pub))
threshold_condition.add_subfulfillment(Ed25519Fulfillment(public_key=thresholduser3_pub))
threshold_condition = cc.ThresholdSha256Fulfillment(threshold=2)
threshold_condition.add_subfulfillment(cc.Ed25519Fulfillment(public_key=thresholduser1_pub))
threshold_condition.add_subfulfillment(cc.Ed25519Fulfillment(public_key=thresholduser2_pub))
threshold_condition.add_subfulfillment(cc.Ed25519Fulfillment(public_key=thresholduser3_pub))
# update the condition in the newly created transaction
threshold_tx['transaction']['conditions'][0]['condition'] = {
@@ -152,7 +197,7 @@ threshold_tx_transfer = b.create_transaction([thresholduser1_pub, thresholduser2
thresholduser4_pub, tx_retrieved_id, 'TRANSFER')
# parse the threshold cryptocondition
threshold_fulfillment = Fulfillment.from_json(threshold_tx['transaction']['conditions'][0]['condition']['details'])
threshold_fulfillment = cc.Fulfillment.from_json(threshold_tx['transaction']['conditions'][0]['condition']['details'])
subfulfillment1 = threshold_fulfillment.get_subcondition_from_vk(thresholduser1_pub)[0]
subfulfillment2 = threshold_fulfillment.get_subcondition_from_vk(thresholduser2_pub)[0]