Clean up IssuerFlow

* Switch to using anonymous party as recipient
* Enable anonymisation for issuance as well as move in issuer flows.
* Pass notary into issuer flow rather than taking a notary at random from the network map.
* Enable anonymisation in Bank of Corda RPC test
* Parameterize issuer flow tests into anonymous and deanonymised versions

node/src/main/kotlin/net/corda/node/internal/CordaRPCOpsImpl.kt

@@ -8,6 +8,7 @@ import net.corda.core.crypto.SecureHash
 import net.corda.core.flows.FlowInitiator
 import net.corda.core.flows.FlowLogic
 import net.corda.core.flows.StartableByRPC
+import net.corda.core.identity.AbstractParty
 import net.corda.core.identity.Party
 import net.corda.core.messaging.*
 import net.corda.core.node.NodeInfo
@@ -178,6 +179,7 @@ class CordaRPCOpsImpl(
     override fun partyFromName(name: String) = services.identityService.partyFromName(name)
     override fun partyFromX500Name(x500Name: X500Name) = services.identityService.partyFromX500Name(x500Name)
     override fun partiesFromName(query: String, exactMatch: Boolean): Set<Party> = services.identityService.partiesFromName(query, exactMatch)
+    override fun nodeIdentityFromParty(party: AbstractParty): NodeInfo? = services.networkMapCache.getNodeByLegalIdentity(party)
 
     override fun registeredFlows(): List<String> = services.rpcFlows.map { it.name }.sorted()
 

node/src/test/kotlin/net/corda/node/messaging/TwoPartyTradeFlowTests.kt

@@ -509,12 +509,13 @@ class TwoPartyTradeFlowTests {
         @Suspendable
         override fun call(): SignedTransaction {
             send(buyer, Pair(notary.notaryIdentity, price))
+            val key = serviceHub.keyManagementService.freshKey()
             return subFlow(Seller(
                 buyer,
                 notary,
                 assetToSell,
                 price,
-                serviceHub.legalIdentityKey))
+                AnonymousParty(key)))
         }
     }