add api file

api.py

@@ -0,0 +1,125 @@
+import zXcat
+import bXcat
+from xcat import *
+
+print("Starting test of xcat...")
+
+def get_initiator_addresses():
+    baddr = bXcat.new_bitcoin_addr()
+    zaddr = zXcat.new_zcash_addr()
+    # print("type baddr", type(baddr))
+    # print("type baddr", type(baddr.to_scriptPubKey()))
+    return {'bitcoin': baddr.__str__(), 'zcash': zaddr.__str__()}
+    # return {'bitcoin': 'myfFr5twPYNwgeXyjCmGcrzXtCmfmWXKYp', 'zcash': 'tmFRXyju7ANM7A9mg75ZjyhFW1UJEhUPwfQ'}
+
+def get_fulfiller_addresses():
+    baddr = bXcat.new_bitcoin_addr()
+    zaddr = zXcat.new_zcash_addr()
+    return {'bitcoin': baddr.__str__(), 'zcash': zaddr.__str__()}
+    # return {'bitcoin': 'myfFr5twPYNwgeXyjCmGcrzXtCmfmWXKYp', 'zcash': 'tmFRXyju7ANM7A9mg75ZjyhFW1UJEhUPwfQ'}
+    # return {'bitcoin': 'mrQzUGU1dwsWRx5gsKKSDPNtrsP65vCA3Z', 'zcash': 'tmTjZSg4pX2Us6V5HttiwFZwj464fD2ZgpY'}
+
+def initiate():
+    print("SELLER FUNDING SELL CONTRACT")
+    print("============================")
+    trade = Trade()
+    # Get amounts
+    amounts = {"sell": {"currency": "zcash", "amount": "0.01"}, "buy": {"currency": "bitcoin", "amount": "1.12"}}
+    sell = amounts['sell']
+    buy = amounts['buy']
+    sell_currency = sell['currency']
+    buy_currency = buy['currency']
+    # Get addresses
+    init_addrs = get_initiator_addresses()
+    sell['initiator'] = init_addrs[sell_currency]
+    buy['initiator'] = init_addrs[buy_currency]
+    fulfill_addrs = get_fulfiller_addresses()
+    sell['fulfiller'] = fulfill_addrs[sell_currency]
+    buy['fulfiller'] = fulfill_addrs[buy_currency]
+    # initializing contract classes with addresses, currencies, and amounts
+    trade.sellContract = Contract(sell)
+    trade.buyContract = Contract(buy)
+    print(trade.sellContract.__dict__)
+    print(trade.buyContract.__dict__)
+
+    secret = generate_password()
+    print("Generating secret to lock funds:", secret)
+    save_secret(secret)
+    # TODO: Implement locktimes and mock block passage of time
+    seller_locktime = 6 # Must be more than buyer_locktime, so that seller reveal secret before their own locktime
+    buyer_locktime = 3 
+
+    create_sell_p2sh(trade, secret, seller_locktime)
+    txid = fund_sell_contract(trade)
+    print("Sent fund tx of sell contract:", txid)
+    create_buy_p2sh(trade, secret, buyer_locktime)
+    save(trade)
+    return trade
+
+# buyer checks that seller funded the sell contract, and if so funds the buy contract
+def fund_buyer():
+    print("BUYER FUNDING BUY CONTRACT")
+    print("==========================")
+    trade = get_trade()
+    buy = trade.buyContract
+    sell = trade.sellContract
+    # buy_p2sh_balance = check_p2sh(buy.currency, buy.p2sh)
+    sell_p2sh_balance = check_p2sh(sell.currency, sell.p2sh)
+    if (sell_p2sh_balance < float(sell.amount)):
+                raise ValueError("Sell p2sh not funded, buyer cannot redeem")
+    print("Seller has deposited funds, so funding the buy contract:")
+    txid = fund_buy_contract(trade)
+    print("Buyer Fund tx txid:", txid)
+
+def redeem_seller():
+    trade = get_trade()
+    print(trade)
+    print("SELLER REDEEMING BUY CONTRACT")
+    print("=============================")
+    buy = trade.buyContract
+    print(buy)
+    # if trade.sellContract.get_status() == 'redeemed':
+    #    raise RuntimeError("Sell contract status was already redeemed before seller could redeem buyer's tx")
+    #else:
+    secret = get_secret() # Just the seller getting his local copy of the secret
+    print("SELLER SECRET IN TEST:", secret)
+    txid =  redeem_p2sh(trade.buyContract, secret, trade.sellContract)
+    setattr(trade.buyContract, 'redeem_tx', txid)
+    save(trade)
+    
+
+def redeem_buyer():
+    print("BUYER REDEEMING SELL CONTRACT")
+    print("=============================")
+    trade = get_trade()
+    buyContract = trade.buyContract
+    sellContract = trade.sellContract
+    secret = ""
+    # if sellContract.get_status() == 'redeemed':
+    #     raise RuntimeError("Sell contract was redeemed before buyer could retrieve funds")
+    # elif buyContract.get_status() == 'refunded':
+    #     print("buyContract was refunded to buyer")
+    # else:
+    # Buy contract is where seller disclosed secret in redeeming
+    if buyContract.currency == 'bitcoin':
+        if (bXcat.still_locked(buyContract)):
+            if(not hasattr(buyContract,'fund_tx')):
+                print("Seems address has not been funded yet. Aborting.")
+                quit()
+            secret = bXcat.find_secret(buyContract.p2sh,buyContract.fund_tx)
+            if(secret != ""):
+                print("Found secret in seller's redeem tx on bitcoin chain:", secret)
+    else:
+        if zXcat.still_locked(buyContract):
+            secret = zXcat.find_secret(buyContract.p2sh,buyContract.fund_tx)
+            if(secret != ""):
+                print("Found secret in seller's redeem tx on zcash chain:", secret)
+    redeem_tx = redeem_p2sh(sellContract, secret, buyContract)
+    setattr(trade.sellContract, 'redeem_tx', redeem_tx)
+    save(trade)
+
+
+def generate_blocks(num):
+    bXcat.generate(num)
+    zXcat.generate(num)
+

secret.json

@@ -1 +1 @@
-tOfh1GKN
+N9BkxaG0

test.py

@@ -9,7 +9,7 @@ fund_buyer()
 zXcat.generate(6)
 redeem_seller()
 zXcat.generate(2)
-
+bXcat.generate(20)
 redeem_buyer()
 
 

xcat.json

@@ -1 +1 @@
-{"sell": {"initiator": "tmVKxirCairPPjCZwxXo4zBEisxADWvzkWB", "fund_tx": "1717da92ff8d2099a63c0a54f397b34f082515d06665a5b3099d9d92122335e4", "fulfiller": "tmAo2UmEvPMnB34JZNjaV3yboYktBgFbnBG", "amount": "0.01", "redeemScript": "63a820d762c010f57e979c77e450acb050e29629e2f240c5fc6131730216b06144e01e8876a9140bda780692cb0c8de760a027b749e158ef45905367022b08b17576a914d7267dd0b627f7749d533d4546da62cfec0c4f666888ac", "redeemblocknum": 2091, "redeem_tx": false, "currency": "zcash", "p2sh": "t2R7AdHyWsuJyt85VeLp3c9Pi1EAJiZcZu2"}, "buy": {"initiator": "mx9NBQR93Ldmw3pzHvvcLiKfb3z19BNESe", "fund_tx": "ad486abc70d2d78ec5485c416e244afa9c37a70a14fd3b3013a264678acb8d31", "fulfiller": "mwAwF2ASL1qu7Yw4Liqz7gB3SWSaqTGw8F", "amount": "1.12", "redeemScript": "63a820d762c010f57e979c77e450acb050e29629e2f240c5fc6131730216b06144e01e8876a914b664ecf7ab99237ccb56a3f90eb0326d973ad1d76702001fb17576a914abb8d09cc8ca93f60d145cfdbaad21abf264b75b6888ac", "redeemblocknum": 7936, "redeem_tx": "370a5975500900500362f1c30a6e5ef7285466abd136c8acc9281398b72b161a", "currency": "bitcoin", "p2sh": "2NEerpQfmykRjh1L9GBTo43MpkXNpwoD1iV"}}
+{"sell": {"currency": "zcash", "initiator": "tmYU7UVFGVK2cmNqQ9dLoNFZMWSvZWCeKtD", "redeemblocknum": 2109, "amount": "0.01", "fulfiller": "tmVx4ckwZAZFPwxMGgrpZ6N7wp3VRgDuXfy", "fund_tx": "ebaa6f3c99ed282701eb8ed926ca822cd9b52458f72e9170988920ae1cffd7ff", "redeem_tx": false, "p2sh": "t2VK8Pgu4GEfnBrh8bLTND1ns3bfQUw7wP9", "redeemScript": "63a8202bf467e67c060bc84c7cc1a47791d8678d8eac11a9e80af993b767661131e7f38876a914ddfa63110b8569bc80c0e5cbe3ea9df142ddea6e67023d08b17576a914f99980ad0a78f8f742d88d97726cc9c91df172f86888ac"}, "buy": {"currency": "bitcoin", "initiator": "mrjxeVKPWCEQYEU9du3CnGT9NKpVNUzSKz", "redeemblocknum": 7936, "amount": "1.12", "fulfiller": "miN9ygMUHEipaobPFuoRwmsNN3ovwzPMDS", "fund_tx": "c7dd7447cbc8717d4574011bcf75c727425ac0585f2aac7f3a87365bbbfedc09", "redeem_tx": "31f691e284f9ea59eb76d691a9442f8dda4897c69772fa4b986f3e4eb1d63b90", "p2sh": "2MtDXWhoi4PwA66pCbusQpGTdGeN6UYTQEu", "redeemScript": "63a8202bf467e67c060bc84c7cc1a47791d8678d8eac11a9e80af993b767661131e7f38876a9147b1f15d1da93ba0414fe7ac36297a2bb7749a3ef6702001fb17576a9141f3e62e6daa403faea8bc8a30259f0888a1a7cb06888ac"}}