package api import ( "errors" "sync" ethCommon "github.com/ethereum/go-ethereum/common" "github.com/gin-gonic/gin" "github.com/hermeznetwork/hermez-node/common" "github.com/hermeznetwork/hermez-node/db/historydb" "github.com/hermeznetwork/hermez-node/db/l2db" "github.com/hermeznetwork/hermez-node/db/statedb" "github.com/hermeznetwork/tracerr" ) // TODO: Add correct values to constants const ( createAccountExtraFeePercentage float64 = 2 createAccountInternalExtraFeePercentage float64 = 2.5 ) // Status define status of the network type Status struct { sync.RWMutex Network Network `json:"network"` Metrics historydb.Metrics `json:"metrics"` Rollup common.RollupVariables `json:"rollup"` Auction common.AuctionVariables `json:"auction"` WithdrawalDelayer common.WDelayerVariables `json:"withdrawalDelayer"` RecommendedFee common.RecommendedFee `json:"recommendedFee"` } // API serves HTTP requests to allow external interaction with the Hermez node type API struct { h *historydb.HistoryDB cg *configAPI s *statedb.StateDB l2 *l2db.L2DB status Status chainID uint16 hermezAddress ethCommon.Address } // NewAPI sets the endpoints and the appropriate handlers, but doesn't start the server func NewAPI( coordinatorEndpoints, explorerEndpoints bool, server *gin.Engine, hdb *historydb.HistoryDB, sdb *statedb.StateDB, l2db *l2db.L2DB, config *Config, ) (*API, error) { // Check input // TODO: is stateDB only needed for explorer endpoints or for both? if coordinatorEndpoints && l2db == nil { return nil, tracerr.Wrap(errors.New("cannot serve Coordinator endpoints without L2DB")) } if explorerEndpoints && hdb == nil { return nil, tracerr.Wrap(errors.New("cannot serve Explorer endpoints without HistoryDB")) } a := &API{ h: hdb, cg: &configAPI{ RollupConstants: *newRollupConstants(config.RollupConstants), AuctionConstants: config.AuctionConstants, WDelayerConstants: config.WDelayerConstants, }, s: sdb, l2: l2db, status: Status{}, chainID: config.ChainID, hermezAddress: config.HermezAddress, } // Add coordinator endpoints if coordinatorEndpoints { // Account server.POST("/account-creation-authorization", a.postAccountCreationAuth) server.GET("/account-creation-authorization/:hezEthereumAddress", a.getAccountCreationAuth) // Transaction server.POST("/transactions-pool", a.postPoolTx) server.GET("/transactions-pool/:id", a.getPoolTx) } // Add explorer endpoints if explorerEndpoints { // Account server.GET("/accounts", a.getAccounts) server.GET("/accounts/:accountIndex", a.getAccount) server.GET("/exits", a.getExits) server.GET("/exits/:batchNum/:accountIndex", a.getExit) // Transaction server.GET("/transactions-history", a.getHistoryTxs) server.GET("/transactions-history/:id", a.getHistoryTx) // Status server.GET("/batches", a.getBatches) server.GET("/batches/:batchNum", a.getBatch) server.GET("/full-batches/:batchNum", a.getFullBatch) server.GET("/slots", a.getSlots) server.GET("/slots/:slotNum", a.getSlot) server.GET("/bids", a.getBids) server.GET("/state", a.getState) server.GET("/config", a.getConfig) server.GET("/tokens", a.getTokens) server.GET("/tokens/:id", a.getToken) server.GET("/coordinators", a.getCoordinators) } return a, nil }