storage_market_flow

sequenceDiagram participant StorageClient participant DT as Data Transfer participant StorageProvider participant Node participant SMA as StorageMarketActor participant SMS as Storage Mining Subsystem

rect rgb(240, 250, 190) Note over StorageClient, SMS: Discovery rect rgb(210, 145, 188) Note over StorageClient, Node: Discovering Miners StorageClient ->>+ Node: List Miner Actors from chain state Node -->>- StorageClient: List of Miner Actors loop Each Miner Actor StorageClient ->>+ Node: Query actor properties from chain state Node -->>- StorageClient: Miner actor properties from chain state end end

rect rgb(254, 200, 216)
  Note over StorageClient, StorageProvider: Querying For Asks
  loop each StorageProvider
  StorageClient ->>+ StorageProvider: Send Query For Current Ask
  StorageProvider -->>- StorageClient: Current Storage Ask
  end
end

end rect rgb(250, 240, 190) Note over StorageClient, SMS: Negotiation rect rgb(224, 187, 228) Note over StorageClient, SMA: Proposing a deal StorageClient ->>+ SMA: Add funds for a deal as neccesary SMA -->>- StorageClient: Funds added StorageClient ->> StorageClient: Calculate piece commitment StorageClient ->>+ StorageProvider: Propose a deal end

rect rgb(255, 223, 211) Note over StorageClient, SMA: Verifying a deal activate StorageProvider StorageProvider ->> StorageProvider: Verify deal parameters (price, size, etc) StorageProvider ->>+ SMA: Check StorageClient balance SMA -->>- StorageProvider: Client balance StorageProvider ->> StorageProvider: Verify balance greater that total storage price StorageProvider -->>- StorageClient: Indicate Intent To Accept Deal end

rect rgb(210, 145, 188) Note over StorageClient, StorageProvider: Transferring Data StorageClient ->>+ DT: Open push request to client DT ->>+ StorageProvider: Send push request to provider StorageProvider -->> DT: Accept and request data DT -->>+ StorageClient: Send request for data StorageClient -->> StorageProvider: Send Data StorageClient ->>- DT: Finished Sending Data DT ->>- StorageProvider: Notify data transfer complete StorageProvider ->> StorageProvider: Verify data matches piece commitment end

rect rgb(254, 200, 216) Note over StorageProvider, SMA: Ensuring Collateral StorageProvider ->>+ SMA: Add collateral for deal as needed SMA -->>- StorageProvider: Collateral added end end rect rgb(240, 250, 190) Note over StorageClient, SMS: Publishing rect rgb(224, 187, 228) Note over StorageClient, SMA: Putting Deal On Chain StorageProvider ->> StorageProvider: Sign Deal Proposal StorageProvider ->>+ SMA: Publish Deal On Chain StorageProvider -->> StorageClient: Deal Accepted (w/ Publish Message CID) SMA -->>- StorageProvider: Deal Published deactivate StorageProvider end

rect rgb(210, 145, 188) Note over StorageClient, SMA: Verify Deal Published StorageClient ->>+ Node: Verify Publish Message Appears On Chain Node -->>- StorageClient: Deal Published end end

rect rgb(250, 240, 190) Note over StorageClient, SMS: Handoff rect rgb(210, 145, 188) Note over StorageProvider, SMS: StorageMiner Handoff And Sealing StorageProvider ->>+ SMS: Add Piece Note left of SMS: Storage Miner adds piece to sector precommits, seals sector, activates deal See Storage Mining Subsystem for more detail end end