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Update missing parts, improve til, and more - Node - Updated configuration to initialize the interface to all the smart contracts - Common - Moved BlockData and BatchData types to common so that they can be shared among: historydb, til and synchronizer - Remove hash.go (it was never used) - Remove slot.go (it was never used) - Remove smartcontractparams.go (it was never used, and appropriate structs are defined in `eth/`) - Comment state / status method until requirements of this method are properly defined, and move it to Synchronizer - Synchronizer - Simplify `Sync` routine to only sync one block per call, and return useful information. - Use BlockData and BatchData from common - Check that events belong to the expected block hash - In L1Batch, query L1UserTxs from HistoryDB - Fill ERC20 token information - Test AddTokens with test.Client - HistryDB - Use BlockData and BatchData from common - Add `GetAllTokens` method - Uncomment and update GetL1UserTxs (with corresponding tests) - Til - Rename all instances of RegisterToken to AddToken (to follow the smart contract implementation naming) - Use BlockData and BatchData from common - Move testL1CoordinatorTxs and testL2Txs to a separate struct from BatchData in Context - Start Context with BatchNum = 1 (which the protocol defines to be the first batchNum) - In every Batch, set StateRoot and ExitRoot to a non-nil big.Int (zero). - In all L1Txs, if LoadAmount is not used, set it to 0; if Amount is not used, set it to 0; so that no *big.Int is nil. - In L1UserTx, don't set BatchNum, because when L1UserTxs are created and obtained by the synchronizer, the BatchNum is not known yet (it's a synchronizer job to set it) - In L1UserTxs, set `UserOrigin` and set `ToForgeL1TxsNum`.
4 years ago
Redo coordinator structure, connect API to node - API: - Modify the constructor so that hardcoded rollup constants don't need to be passed (introduce a `Config` and use `configAPI` internally) - Common: - Update rollup constants with proper *big.Int when required - Add BidCoordinator and Slot structs used by the HistoryDB and Synchronizer. - Add helper methods to AuctionConstants - AuctionVariables: Add column `DefaultSlotSetBidSlotNum` (in the SQL table: `default_slot_set_bid_slot_num`), which indicates at which slotNum does the `DefaultSlotSetBid` specified starts applying. - Config: - Move coordinator exclusive configuration from the node config to the coordinator config - Coordinator: - Reorganize the code towards having the goroutines started and stopped from the coordinator itself instead of the node. - Remove all stop and stopped channels, and use context.Context and sync.WaitGroup instead. - Remove BatchInfo setters and assing variables directly - In ServerProof and ServerProofPool use context instead stop channel. - Use message passing to notify the coordinator about sync updates and reorgs - Introduce the Pipeline, which can be started and stopped by the Coordinator - Introduce the TxManager, which manages ethereum transactions (the TxManager is also in charge of making the forge call to the rollup smart contract). The TxManager keeps ethereum transactions and: 1. Waits for the transaction to be accepted 2. Waits for the transaction to be confirmed for N blocks - In forge logic, first prepare a batch and then wait for an available server proof to have all work ready once the proof server is ready. - Remove the `isForgeSequence` method which was querying the smart contract, and instead use notifications sent by the Synchronizer to figure out if it's forging time. - Update test (which is a minimal test to manually see if the coordinator starts) - HistoryDB: - Add method to get the number of batches in a slot (used to detect when a slot has passed the bid winner forging deadline) - Add method to get the best bid and associated coordinator of a slot (used to detect the forgerAddress that can forge the slot) - General: - Rename some instances of `currentBlock` to `lastBlock` to be more clear. - Node: - Connect the API to the node and call the methods to update cached state when the sync advances blocks. - Call methods to update Coordinator state when the sync advances blocks and finds reorgs. - Synchronizer: - Add Auction field in the Stats, which contain the current slot with info about highest bidder and other related info required to know who can forge in the current block. - Better organization of cached state: - On Sync, update the internal cached state - On Init or Reorg, load the state from HistoryDB into the internal cached state.
4 years ago
Update coordinator, call all api update functions - Common: - Rename Block.EthBlockNum to Block.Num to avoid unneeded repetition - API: - Add UpdateNetworkInfoBlock to update just block information, to be used when the node is not yet synchronized - Node: - Call API.UpdateMetrics and UpdateRecommendedFee in a loop, with configurable time intervals - Synchronizer: - When mapping events by TxHash, use an array to support the possibility of multiple calls of the same function happening in the same transaction (for example, a smart contract in a single transaction could call withdraw with delay twice, which would generate 2 withdraw events, and 2 deposit events). - In Stats, keep entire LastBlock instead of just the blockNum - In Stats, add lastL1BatchBlock - Test Stats and SCVars - Coordinator: - Enable writing the BatchInfo in every step of the pipeline to disk (with JSON text files) for debugging purposes. - Move the Pipeline functionality from the Coordinator to its own struct (Pipeline) - Implement shouldL1lL2Batch - In TxManager, implement logic to perform several attempts when doing ethereum node RPC calls before considering the error. (Both for calls to forgeBatch and transaction receipt) - In TxManager, reorganize the flow and note the specific points in which actions are made when err != nil - HistoryDB: - Implement GetLastL1BatchBlockNum: returns the blockNum of the latest forged l1Batch, to help the coordinator decide when to forge an L1Batch. - EthereumClient and test.Client: - Update EthBlockByNumber to return the last block when the passed number is -1.
4 years ago
Redo coordinator structure, connect API to node - API: - Modify the constructor so that hardcoded rollup constants don't need to be passed (introduce a `Config` and use `configAPI` internally) - Common: - Update rollup constants with proper *big.Int when required - Add BidCoordinator and Slot structs used by the HistoryDB and Synchronizer. - Add helper methods to AuctionConstants - AuctionVariables: Add column `DefaultSlotSetBidSlotNum` (in the SQL table: `default_slot_set_bid_slot_num`), which indicates at which slotNum does the `DefaultSlotSetBid` specified starts applying. - Config: - Move coordinator exclusive configuration from the node config to the coordinator config - Coordinator: - Reorganize the code towards having the goroutines started and stopped from the coordinator itself instead of the node. - Remove all stop and stopped channels, and use context.Context and sync.WaitGroup instead. - Remove BatchInfo setters and assing variables directly - In ServerProof and ServerProofPool use context instead stop channel. - Use message passing to notify the coordinator about sync updates and reorgs - Introduce the Pipeline, which can be started and stopped by the Coordinator - Introduce the TxManager, which manages ethereum transactions (the TxManager is also in charge of making the forge call to the rollup smart contract). The TxManager keeps ethereum transactions and: 1. Waits for the transaction to be accepted 2. Waits for the transaction to be confirmed for N blocks - In forge logic, first prepare a batch and then wait for an available server proof to have all work ready once the proof server is ready. - Remove the `isForgeSequence` method which was querying the smart contract, and instead use notifications sent by the Synchronizer to figure out if it's forging time. - Update test (which is a minimal test to manually see if the coordinator starts) - HistoryDB: - Add method to get the number of batches in a slot (used to detect when a slot has passed the bid winner forging deadline) - Add method to get the best bid and associated coordinator of a slot (used to detect the forgerAddress that can forge the slot) - General: - Rename some instances of `currentBlock` to `lastBlock` to be more clear. - Node: - Connect the API to the node and call the methods to update cached state when the sync advances blocks. - Call methods to update Coordinator state when the sync advances blocks and finds reorgs. - Synchronizer: - Add Auction field in the Stats, which contain the current slot with info about highest bidder and other related info required to know who can forge in the current block. - Better organization of cached state: - On Sync, update the internal cached state - On Init or Reorg, load the state from HistoryDB into the internal cached state.
4 years ago
  1. package common
  2. import (
  3. "math/big"
  4. ethCommon "github.com/ethereum/go-ethereum/common"
  5. )
  6. // Bid is a struct that represents one bid in the PoH
  7. type Bid struct {
  8. SlotNum int64 `meddler:"slot_num"`
  9. BidValue *big.Int `meddler:"bid_value,bigint"`
  10. EthBlockNum int64 `meddler:"eth_block_num"`
  11. Bidder ethCommon.Address `meddler:"bidder_addr"` // Coordinator reference
  12. }
  13. // BidCoordinator contains the coordinator info of a bid, along with the bid value
  14. type BidCoordinator struct {
  15. SlotNum int64 `meddler:"slot_num"`
  16. DefaultSlotSetBid [6]*big.Int `meddler:"default_slot_set_bid,json"`
  17. BidValue *big.Int `meddler:"bid_value,bigint"`
  18. Bidder ethCommon.Address `meddler:"bidder_addr"` // address of the bidder
  19. Forger ethCommon.Address `meddler:"forger_addr"` // address of the forger
  20. URL string `meddler:"url"` // URL of the coordinators API
  21. }
  22. // Slot contains relevant information of a slot
  23. type Slot struct {
  24. SlotNum int64
  25. DefaultSlotBid *big.Int
  26. StartBlock int64
  27. EndBlock int64
  28. BatchesLen int
  29. BidValue *big.Int
  30. BootCoord bool
  31. // Bidder, Forer and URL correspond to the winner of the slot (which is
  32. // not always the highest bidder). These are the values of the
  33. // coordinator that is able to forge exclusively before the deadline.
  34. Bidder ethCommon.Address
  35. Forger ethCommon.Address
  36. URL string
  37. }