From aa3355d52155a02cbd46b4000325975eb1ecd868 Mon Sep 17 00:00:00 2001
From: Daniel Karzel <daniel@comit.network>
Date: Wed, 22 Sep 2021 14:49:43 +1000
Subject: [PATCH] Sequence diagram blockchain monitoring and cfd actor

---
 docs/asset/mvp_blockchain_monitoring.puml | 54 +++++++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100644 docs/asset/mvp_blockchain_monitoring.puml

diff --git a/docs/asset/mvp_blockchain_monitoring.puml b/docs/asset/mvp_blockchain_monitoring.puml
new file mode 100644
index 0000000..fec2741
--- /dev/null
+++ b/docs/asset/mvp_blockchain_monitoring.puml
@@ -0,0 +1,54 @@
+@startuml
+
+participant CfdActor as CA
+participant BlockchainMonitoringActor as BMA
+
+CA -> CA: broadcast [lock-tx]
+CA -> BMA: Here's a CFD where I published lock
+
+BMA -> BMA: monitor [lock-tx]
+BMA -> BMA: monitor [commit-tx]
+
+BMA -> CA: finality confirmation for [lock-tx] @ cfd-id
+CA -> CA: load cfd by cfd-id
+CA -> CA: transition Cfd to Open
+'CA -> BMA: Unsubscribe [lock-tx]
+BMA -> BMA: stop monitor [lock-tx]
+
+BMA -> CA: finality confirmation for [commit-tx] @ cfd-id
+BMA -> BMA: [commit-tx]
+CA -> CA: load cfd by cfd-id
+CA -> CA: transition Cfd to OpenCommitted
+
+group >t1
+BMA -> CA: t1 confirmation for [commit-tx] @ cfd-id
+CA -> CA: load cfd by txid
+CA -> CA: check if timelock is reached  => t1 reached
+OracleActor -> CA: Attested price
+OracleActor -> BMA: Attested price
+CA -> CA: Attest decides CET
+CA -> CA: publish [CET]
+CA -> CA: transition Cfd to PendingClose
+BMA -> BMA: decide which [CET] based on price
+BMA -> BMA: monitor [CET]
+BMA -> CA: finality confirmation for [CET] @ cfd-id
+CA -> CA: transition Cfd to Closed
+BMA -> BMA: stop monitor [commit-tx]
+BMA -> BMA: stop monitor [CET]
+end group
+
+group >t2
+BMA -> BMA: monitor [refund-tx]
+BMA -> CA: t2 confirmation for [commit-tx] @ cfd-id
+CA -> CA: load cfd by txid
+CA -> CA: check if timelock is reached => t2 reached
+CA -> CA: publish [refund-tx]
+BMA -> CA: finality confirmation for [refund-tx]
+CA -> CA: transition Cfd to Refunded
+BMA -> BMA: stop monitor [commit-tx]
+BMA -> BMA: stop monitor [refund-tx]
+end group
+
+
+
+@enduml