class MerchantWalletManager(object):
def __init__(self, walletMessageType, entity):
# isMessageType, dsdbMessageType, amount):
self.walletMessageType = walletMessageType
self.entity = entity
#self.isMessageType = isMessageType
#self.dsdbMessageType = dsdbMessageType
if not self.walletMessageType.globals.status.can(
MessageStatuses.PrivilegeServer):
raise MessageError(
'given messageType does not have PrivilegeServer')
class messages:
pass
self.walletMessages = messages()
self.isMessages = messages()
self.dsdbMessages = messages()
del messages
# All the responses we can get from the IS (we are client)
#self.isMessages.MKP = MintingKeyPass(self.resumeConversation) # this are being handled elsewhere (BlankAndMintingKey)
#self.isMessages.MKF = MintingKeyFailure(self.resumeConversation) # this is being handled elsewhere (BlankAndMintingKey)
self.isMessages.MA = MintAccept(self.resumeConversation)
self.isMessages.MR = MintReject(self.resumeConversation)
self.isMessages.FMF = FetchMintedFailure(self.resumeConversation)
self.isMessages.FMW = FetchMintedWait(self.resumeConversation)
self.isMessages.FMA = FetchMintedAccept(self.resumeConversation)
self.isMessages.RCR = RedeemCoinsReject(self.resumeConversation)
self.isMessages.RCA = RedeemCoinsAccept(self.resumeConversation)
# All messages can get from the other wallet (we are server)
self.walletMessages.CR = CoinsRedeem(self.resumeConversation)
self.walletMessages.BP = BlankPresent(self.resumeConversation)
# All the responses we can get from the DSDB
self.dsdbMessages.LCA = LockCoinsAccept(self.resumeConversation)
self.dsdbMessages.LCF = LockCoinsFailure(self.resumeConversation)
self.dsdbMessages.UCP = UnlockCoinsPass(self.resumeConversation)
self.dsdbMessages.UCF = UnlockCoinsFailure(self.resumeConversation)
# Add handlers for all the messages using walletMessages if starts conversation
self.walletMessageType.addMessageHandler(self.walletMessages.BP)
self.walletMessageType.addMessageHandler(BlankReject())
self.walletMessageType.addMessageHandler(BlankFailure())
self.walletMessageType.addMessageHandler(BlankAccept())
self.walletMessageType.addMessageHandler(self.walletMessages.CR)
self.walletMessageType.addMessageHandler(CoinsReject())
self.walletMessageType.addMessageHandler(CoinsAccept())
class state:
__slots__ = (
'blanks', # the blanks given in BlankPresent
'dsdb_certificate', # the dsdb certificate given in BlankPresent
'mintBlanks', # blanks we created for use with a MintRequest (to make new coins)
'dsdb_lock', # the lock we receive when we perform a LockRequest
'coins', # the coins received from the other wallet with a CoinsRedeem
'mintingKeysKeyID', # the minting key certificates for all coins received
'mintingKeysDenomination', # the minting key certificates for all denominations of all coins received
'mintRequestID', # the request id generated for the MintRequest
'target', # the target for the MintRequest
'signatures', # the signatures returned from IS via FetchMintedRequest
'newCoins', # our newly minted coins after
'mintingFailures' # any coins where the signature was invalid. Nothing we can really do with this though.
)
self.persistant = state()
del state
self.lastMessageIdentifier = None
# an explaination of how this class treats the exchange. We first wait for a BlankPresent from the wallet. We look at the issuer and
# let the client decide if he wants to accept.
# if he does, we make matching blanks and depending on the issuer, MintRequest now (may do after RedeemCoins.
# we verify the blanks against the DSDB and then BlankAccept. We get the CoinsRedeem, test them, then CoinsAccept.
# now we RedeemCoinsRequest, and potentially MintRequest at this point. Finally, we FetchMintedRequest to get the new coins. Done. Whew!
# More information. If isRequiresMRbeforeRCR is true, the chain when the wallet accepts the coins goes:
# MINT_REQUEST -> (MINT_ACCEPT) -> REDEEM_COINS_REQUEST -> (REDEEM_COINS_ACCEPT) -> FETCH_MINTED_REQUEST -> (FETCH_MINTED_ACCEPT)
# If isRequiresMRbeforeRCR is false, the chain when the wallet sends the COINS_REQUEST goes:
# REDEEM_COINS_REQUEST -> (REDEEM_COINS_ACCEPT) -> MINT_REQUEST -> (MINT_ACCEPT) -> FETCH_MINTED_REQUEST -> (FETCH_MINTED_ACCEPT
def resumeConversation(self, message, result):
if isinstance(message, BlankPresent):
self.setHandler(BlankAndMintingKey(
self, message)) # First we receive the blanks
elif isinstance(message, MintAccept) or isinstance(
message, MintReject):
self.setHandler(Mint(
self, message)) # Then we (may) try to mint our own blanks
elif isinstance(message, LockCoinsFailure) or isinstance(
message, LockCoinsAccept):
self.setHandler(LockCoins(
self, message)) # We also have to try to lock the coins...
elif isinstance(message, CoinsRedeem):
self.setHandler(
Coins(self, message)
) # We locked the coins, and they are valid. We sent a BlankAccept. Next we get told to redeem them
elif isinstance(message, RedeemCoinsReject) or isinstance(
message, RedeemCoinsAccept):
self.setHandler(
RedeemCoins(self, message)
) # Now we redeem them (note: the next step may be to try to mint them...)
elif isinstance(message, FetchMintedWait) or isinstance(
message, FetchMintedFailure) or isinstance(
message, FetchMintedAccept):
self.setHandler(FetchMinted(
self, message)) # And finally, get the coins.
elif isinstance(message, UnlockCoinsPass) or isinstance(
message, UnlockCoinsFailure):
self.setHandler(UnlockCoins(
self, message)) # If we erred, we unlock to be nice
else:
raise MessageError('Message %s does not continue a conversation' %
message.identifier)
def setHandler(self, handler):
self.handler = handler
def connectToDSDB(self, dsdb_certificate):
"""sets up the dsdbMessageType and links the callbacks."""
client = MessageStatuses.getBaseClient()
self.dsdbMessageType = MessageType(client)
# Add handlers for all the messages using dsdbMessages if it continues conversation
self.dsdbMessageType.addMessageHandler(LockCoinsRequest())
self.dsdbMessageType.addMessageHandler(self.dsdbMessages.LCF)
self.dsdbMessageType.addMessageHandler(self.dsdbMessages.LCA)
self.dsdbMessageType.addMessageHandler(UnlockCoinsRequest())
self.dsdbMessageType.addMessageHandler(self.dsdbMessages.UCF)
self.dsdbMessageType.addMessageHandler(self.dsdbMessages.UCP)
self.entity.connectToDSDB(self.dsdbMessageType, dsdb_certificate)
def connectToIS(self, currency_description_document):
"""sets up the isMessageType and links the callbacks."""
client = MessageStatuses.getBaseClient()
self.isMessageType = MessageType(client)
# Add handlers for all the messages using isMessages if it continues the conversation
self.isMessageType.addMessageHandler(MintingKeyFetchKeyID())
self.isMessageType.addMessageHandler(MintingKeyFetchDenomination())
#self.isMessageType.addMessageHandler(self.isMessages.MKP)
#self.isMessageType.addMessageHandler(self.isMessages.MKF)
self.isMessageType.addMessageHandler(
MintingKeyPass()
) # These normally would continue, but are folded into BlankAndMintingKey
self.isMessageType.addMessageHandler(
MintingKeyFailure()
) # These normally would continue, but are folded into BlankAndMintingKey
self.isMessageType.addMessageHandler(MintRequest())
self.isMessageType.addMessageHandler(self.isMessages.MA)
self.isMessageType.addMessageHandler(self.isMessages.MR)
self.isMessageType.addMessageHandler(FetchMintedRequest())
self.isMessageType.addMessageHandler(self.isMessages.FMF)
self.isMessageType.addMessageHandler(self.isMessages.FMW)
self.isMessageType.addMessageHandler(self.isMessages.FMA)
self.isMessageType.addMessageHandler(RedeemCoinsRequest())
self.isMessageType.addMessageHandler(self.isMessages.RCR)
self.isMessageType.addMessageHandler(self.isMessages.RCA)
self.entity.connectToIS(self.isMessageType,
currency_description_document)
def success(self, message, handler):
print 'Received a success! Message class: %s. Handler class: %s' % (
message.__class__, handler.__class__)
def failure(self, message, handler):
print 'Receive a failure. :( Message %s Sentence: %s' % (
message.identifier, message.sentence)
print 'We should do something like un-hook ourselves or something.'
def waitForFetchMint(self, message, handler):
print 'We were told to wait on our FetchMintedRequest. Reason: %s' % message.messageLayer.globals.reason
class ConsumerWalletManager(object):
def __init__(self, walletMessageType, entity, coins):
self.walletMessageType = walletMessageType
self.entity = entity
#self.isMessageType = isMessageType
if not self.walletMessageType.globals.status.can(
MessageStatuses.PrivilegeClient):
raise MessageError(
'given messageType does not have PrivilegeClient')
class messages:
pass
self.walletMessages = messages()
self.isMessages = messages()
del messages
# All the responses we can get from the IS
self.isMessages.DKP = DSDBKeyPass(self.resumeConversation)
# All the responses we can get from the other wallet
self.walletMessages.BR = BlankReject(self.resumeConversation)
self.walletMessages.BF = BlankFailure(self.resumeConversation)
self.walletMessages.BA = BlankAccept(self.resumeConversation)
self.walletMessages.CR = CoinsReject(self.resumeConversation)
self.walletMessages.CA = CoinsAccept(self.resumeConversation)
# Add handlers for all the messages using walletMessages if continues conversation
self.walletMessageType.addMessageHandler(BlankPresent())
self.walletMessageType.addMessageHandler(self.walletMessages.BR)
self.walletMessageType.addMessageHandler(self.walletMessages.BF)
self.walletMessageType.addMessageHandler(self.walletMessages.BA)
self.walletMessageType.addMessageHandler(CoinsRedeem())
self.walletMessageType.addMessageHandler(self.walletMessages.CR)
self.walletMessageType.addMessageHandler(self.walletMessages.CA)
self.coins = coins
class state:
pass
self.persistant = state()
del state
self.lastMessageIdentifier = None
def resumeConversation(self, message, result):
if isinstance(message, DSDBKeyPass):
self.setHandler(DSDBKey(self, message))
elif isinstance(message, BlankReject) or isinstance(
message, BlankFailure) or isinstance(message, BlankAccept):
self.setHandler(Blank(self, message))
elif isinstance(message, CoinsReject) or isinstance(
message, CoinsAccept):
self.setHandler(Coins(self, message))
else:
raise MessageError('Message %s does not continue a conversation' %
message.identifier)
def setHandler(self, handler):
self.handler = handler
def startConversation(self):
#this is kind of a hack. Okay. A lot of a hack
self.connectToIS(self.entity.cdds[self.coins[0].currency_identifier])
dkr = DSDBKeyRequest()
self.isMessageType.addOutput(
dkr) # and so it starts. Flow follows to DSDBKey
def success(self, message, handler):
print 'Received a success! Message class: %s. Handler class: %s' % (
message.__class__, handler.__class__)
def failure(self, message, handler):
print 'Received a failure. Message %s Sentence: %s' % (
message.identifier, message.sentence)
print 'We should do something like un-hook ourselves or something.'
def connectToIS(self, currency_description_document):
"""sets up the isMessageType and links the callbacks."""
client = MessageStatuses.getBaseClient()
self.isMessageType = MessageType(client)
# Add handlers for all the messages, using isMessages if continues conversation
self.isMessageType.addMessageHandler(DSDBKeyRequest())
self.isMessageType.addMessageHandler(self.isMessages.DKP)
self.entity.connectToIS(self.isMessageType,
currency_description_document)
#FIXME: This is one of many places we enforce the one currency at a time
self.cdd = currency_description_document
class MerchantWalletManager(object):
def __init__(self, walletMessageType, entity):
# isMessageType, dsdbMessageType, amount):
self.walletMessageType = walletMessageType
self.entity = entity
#self.isMessageType = isMessageType
#self.dsdbMessageType = dsdbMessageType
if not self.walletMessageType.globals.status.can(MessageStatuses.PrivilegeServer):
raise MessageError('given messageType does not have PrivilegeServer')
class messages: pass
self.walletMessages = messages()
self.isMessages = messages()
self.dsdbMessages = messages()
del messages
# All the responses we can get from the IS (we are client)
#self.isMessages.MKP = MintingKeyPass(self.resumeConversation) # this are being handled elsewhere (BlankAndMintingKey)
#self.isMessages.MKF = MintingKeyFailure(self.resumeConversation) # this is being handled elsewhere (BlankAndMintingKey)
self.isMessages.MA = MintAccept(self.resumeConversation)
self.isMessages.MR = MintReject(self.resumeConversation)
self.isMessages.FMF = FetchMintedFailure(self.resumeConversation)
self.isMessages.FMW = FetchMintedWait(self.resumeConversation)
self.isMessages.FMA = FetchMintedAccept(self.resumeConversation)
self.isMessages.RCR = RedeemCoinsReject(self.resumeConversation)
self.isMessages.RCA = RedeemCoinsAccept(self.resumeConversation)
# All messages can get from the other wallet (we are server)
self.walletMessages.CR = CoinsRedeem(self.resumeConversation)
self.walletMessages.BP = BlankPresent(self.resumeConversation)
# All the responses we can get from the DSDB
self.dsdbMessages.LCA = LockCoinsAccept(self.resumeConversation)
self.dsdbMessages.LCF = LockCoinsFailure(self.resumeConversation)
self.dsdbMessages.UCP = UnlockCoinsPass(self.resumeConversation)
self.dsdbMessages.UCF = UnlockCoinsFailure(self.resumeConversation)
# Add handlers for all the messages using walletMessages if starts conversation
self.walletMessageType.addMessageHandler(self.walletMessages.BP)
self.walletMessageType.addMessageHandler(BlankReject())
self.walletMessageType.addMessageHandler(BlankFailure())
self.walletMessageType.addMessageHandler(BlankAccept())
self.walletMessageType.addMessageHandler(self.walletMessages.CR)
self.walletMessageType.addMessageHandler(CoinsReject())
self.walletMessageType.addMessageHandler(CoinsAccept())
class state:
__slots__ = ('blanks', # the blanks given in BlankPresent
'dsdb_certificate', # the dsdb certificate given in BlankPresent
'mintBlanks', # blanks we created for use with a MintRequest (to make new coins)
'dsdb_lock', # the lock we receive when we perform a LockRequest
'coins', # the coins received from the other wallet with a CoinsRedeem
'mintingKeysKeyID', # the minting key certificates for all coins received
'mintingKeysDenomination', # the minting key certificates for all denominations of all coins received
'mintRequestID', # the request id generated for the MintRequest
'target', # the target for the MintRequest
'signatures', # the signatures returned from IS via FetchMintedRequest
'newCoins', # our newly minted coins after
'mintingFailures' # any coins where the signature was invalid. Nothing we can really do with this though.
)
self.persistant = state()
del state
self.lastMessageIdentifier = None
# an explaination of how this class treats the exchange. We first wait for a BlankPresent from the wallet. We look at the issuer and
# let the client decide if he wants to accept.
# if he does, we make matching blanks and depending on the issuer, MintRequest now (may do after RedeemCoins.
# we verify the blanks against the DSDB and then BlankAccept. We get the CoinsRedeem, test them, then CoinsAccept.
# now we RedeemCoinsRequest, and potentially MintRequest at this point. Finally, we FetchMintedRequest to get the new coins. Done. Whew!
# More information. If isRequiresMRbeforeRCR is true, the chain when the wallet accepts the coins goes:
# MINT_REQUEST -> (MINT_ACCEPT) -> REDEEM_COINS_REQUEST -> (REDEEM_COINS_ACCEPT) -> FETCH_MINTED_REQUEST -> (FETCH_MINTED_ACCEPT)
# If isRequiresMRbeforeRCR is false, the chain when the wallet sends the COINS_REQUEST goes:
# REDEEM_COINS_REQUEST -> (REDEEM_COINS_ACCEPT) -> MINT_REQUEST -> (MINT_ACCEPT) -> FETCH_MINTED_REQUEST -> (FETCH_MINTED_ACCEPT
def resumeConversation(self, message, result):
if isinstance(message, BlankPresent):
self.setHandler(BlankAndMintingKey(self, message)) # First we receive the blanks
elif isinstance(message, MintAccept) or isinstance(message, MintReject):
self.setHandler(Mint(self, message)) # Then we (may) try to mint our own blanks
elif isinstance(message, LockCoinsFailure) or isinstance(message, LockCoinsAccept):
self.setHandler(LockCoins(self, message)) # We also have to try to lock the coins...
elif isinstance(message, CoinsRedeem):
self.setHandler(Coins(self, message)) # We locked the coins, and they are valid. We sent a BlankAccept. Next we get told to redeem them
elif isinstance(message, RedeemCoinsReject) or isinstance(message, RedeemCoinsAccept):
self.setHandler(RedeemCoins(self, message)) # Now we redeem them (note: the next step may be to try to mint them...)
elif isinstance(message, FetchMintedWait) or isinstance(message, FetchMintedFailure) or isinstance(message, FetchMintedAccept):
self.setHandler(FetchMinted(self, message)) # And finally, get the coins.
elif isinstance(message, UnlockCoinsPass) or isinstance(message, UnlockCoinsFailure):
self.setHandler(UnlockCoins(self, message)) # If we erred, we unlock to be nice
else:
raise MessageError('Message %s does not continue a conversation' % message.identifier)
def setHandler(self, handler):
self.handler = handler
def connectToDSDB(self, dsdb_certificate):
"""sets up the dsdbMessageType and links the callbacks."""
client = MessageStatuses.getBaseClient()
self.dsdbMessageType = MessageType(client)
# Add handlers for all the messages using dsdbMessages if it continues conversation
self.dsdbMessageType.addMessageHandler(LockCoinsRequest())
self.dsdbMessageType.addMessageHandler(self.dsdbMessages.LCF)
self.dsdbMessageType.addMessageHandler(self.dsdbMessages.LCA)
self.dsdbMessageType.addMessageHandler(UnlockCoinsRequest())
self.dsdbMessageType.addMessageHandler(self.dsdbMessages.UCF)
self.dsdbMessageType.addMessageHandler(self.dsdbMessages.UCP)
self.entity.connectToDSDB(self.dsdbMessageType, dsdb_certificate)
def connectToIS(self, currency_description_document):
"""sets up the isMessageType and links the callbacks."""
client = MessageStatuses.getBaseClient()
self.isMessageType = MessageType(client)
# Add handlers for all the messages using isMessages if it continues the conversation
self.isMessageType.addMessageHandler(MintingKeyFetchKeyID())
self.isMessageType.addMessageHandler(MintingKeyFetchDenomination())
#self.isMessageType.addMessageHandler(self.isMessages.MKP)
#self.isMessageType.addMessageHandler(self.isMessages.MKF)
self.isMessageType.addMessageHandler(MintingKeyPass()) # These normally would continue, but are folded into BlankAndMintingKey
self.isMessageType.addMessageHandler(MintingKeyFailure()) # These normally would continue, but are folded into BlankAndMintingKey
self.isMessageType.addMessageHandler(MintRequest())
self.isMessageType.addMessageHandler(self.isMessages.MA)
self.isMessageType.addMessageHandler(self.isMessages.MR)
self.isMessageType.addMessageHandler(FetchMintedRequest())
self.isMessageType.addMessageHandler(self.isMessages.FMF)
self.isMessageType.addMessageHandler(self.isMessages.FMW)
self.isMessageType.addMessageHandler(self.isMessages.FMA)
self.isMessageType.addMessageHandler(RedeemCoinsRequest())
self.isMessageType.addMessageHandler(self.isMessages.RCR)
self.isMessageType.addMessageHandler(self.isMessages.RCA)
self.entity.connectToIS(self.isMessageType, currency_description_document)
def success(self, message, handler):
print 'Received a success! Message class: %s. Handler class: %s' % (message.__class__, handler.__class__)
def failure(self, message, handler):
print 'Receive a failure. :( Message %s Sentence: %s' % (message.identifier, message.sentence)
print 'We should do something like un-hook ourselves or something.'
def waitForFetchMint(self, message, handler):
print 'We were told to wait on our FetchMintedRequest. Reason: %s' % message.messageLayer.globals.reason
class ConsumerWalletManager(object):
def __init__(self, walletMessageType, entity, coins):
self.walletMessageType = walletMessageType
self.entity = entity
#self.isMessageType = isMessageType
if not self.walletMessageType.globals.status.can(MessageStatuses.PrivilegeClient):
raise MessageError('given messageType does not have PrivilegeClient')
class messages: pass
self.walletMessages = messages()
self.isMessages = messages()
del messages
# All the responses we can get from the IS
self.isMessages.DKP = DSDBKeyPass(self.resumeConversation)
# All the responses we can get from the other wallet
self.walletMessages.BR = BlankReject(self.resumeConversation)
self.walletMessages.BF = BlankFailure(self.resumeConversation)
self.walletMessages.BA = BlankAccept(self.resumeConversation)
self.walletMessages.CR = CoinsReject(self.resumeConversation)
self.walletMessages.CA = CoinsAccept(self.resumeConversation)
# Add handlers for all the messages using walletMessages if continues conversation
self.walletMessageType.addMessageHandler(BlankPresent())
self.walletMessageType.addMessageHandler(self.walletMessages.BR)
self.walletMessageType.addMessageHandler(self.walletMessages.BF)
self.walletMessageType.addMessageHandler(self.walletMessages.BA)
self.walletMessageType.addMessageHandler(CoinsRedeem())
self.walletMessageType.addMessageHandler(self.walletMessages.CR)
self.walletMessageType.addMessageHandler(self.walletMessages.CA)
self.coins = coins
class state: pass
self.persistant = state()
del state
self.lastMessageIdentifier = None
def resumeConversation(self, message, result):
if isinstance(message, DSDBKeyPass):
self.setHandler(DSDBKey(self, message))
elif isinstance(message, BlankReject) or isinstance(message, BlankFailure) or isinstance(message, BlankAccept):
self.setHandler(Blank(self, message))
elif isinstance(message, CoinsReject) or isinstance(message, CoinsAccept):
self.setHandler(Coins(self, message))
else:
raise MessageError('Message %s does not continue a conversation' % message.identifier)
def setHandler(self, handler):
self.handler = handler
def startConversation(self):
#this is kind of a hack. Okay. A lot of a hack
self.connectToIS(self.entity.cdds[self.coins[0].currency_identifier])
dkr = DSDBKeyRequest()
self.isMessageType.addOutput(dkr) # and so it starts. Flow follows to DSDBKey
def success(self, message, handler):
print 'Received a success! Message class: %s. Handler class: %s' % (message.__class__, handler.__class__)
def failure(self, message, handler):
print 'Received a failure. Message %s Sentence: %s' % (message.identifier, message.sentence)
print 'We should do something like un-hook ourselves or something.'
def connectToIS(self, currency_description_document):
"""sets up the isMessageType and links the callbacks."""
client = MessageStatuses.getBaseClient()
self.isMessageType = MessageType(client)
# Add handlers for all the messages, using isMessages if continues conversation
self.isMessageType.addMessageHandler(DSDBKeyRequest())
self.isMessageType.addMessageHandler(self.isMessages.DKP)
self.entity.connectToIS(self.isMessageType, currency_description_document)
#FIXME: This is one of many places we enforce the one currency at a time
self.cdd = currency_description_document