allowing BTC Block and L2 Keystone generation rates to be configurabl…

…e in local network

when running your local network via docker-compose, you can set the following env variables to configure the rates at which BTC Blocks and L2 Keystones are generated, respectively.

* HEMI_LOCAL_BTC_RATE_SECONDS
* HEMI_LOCAL_L2K_RATE_SECONDS

e2e/docker-compose.yml

@@ -43,7 +43,7 @@ services:
     deploy:
       restart_policy:
         condition: any
-        delay: 5s
+        delay: "${HEMI_LOCAL_BTC_RATE_SECONDS:-5}s"
     depends_on:
       - bitcoind
 
@@ -74,7 +74,7 @@ services:
       context: ./..
     environment:
       BFG_POSTGRES_URI: postgres://postgres@postgres:5432/bfg?sslmode=disable
-      BFG_BTC_START_HEIGHT: "100"
+      BFG_BTC_START_HEIGHT: "1"
       BFG_EXBTC_ADDRESS: electrumx:50001
       BFG_LOG_LEVEL: TRACE
       BFG_PUBLIC_ADDRESS: ":8383"
@@ -115,6 +115,7 @@ services:
       context: ./..
     environment:
       MOCKTIMISM_BSS_URL: http://bssd:8081/v1/ws
+      MOCKTIMISM_L2K_RATE_SECONDS: ${HEMI_LOCAL_L2K_RATE_SECONDS}
     depends_on:
       - bssd
 

e2e/mocktimism/mocktimism.go

@@ -2,7 +2,9 @@ package main
 
 import (
 	"context"
+	"fmt"
 	"os"
+	"strconv"
 	"sync"
 	"time"
 
@@ -89,7 +91,7 @@ func main() {
 			l2Keystone.L1BlockNumber++
 			l2Keystone.L2BlockNumber++
 
-			time.Sleep(1 * time.Second)
+			time.Sleep(time.Duration(l2BlockCreationSeconds()) * time.Second)
 
 			err = bssapi.Write(ctx, bws.conn, "someotherid", bssapi.PopPayoutsRequest{
 				L2BlockForPayout: firstL2Keystone[:],
@@ -122,3 +124,17 @@ func fillOutBytes(prefix string, size int) []byte {
 
 	return result
 }
+
+func l2BlockCreationSeconds() int {
+	v := os.Getenv("MOCKTIMISM_L2K_RATE_SECONDS")
+	if v == "" {
+		return 1
+	}
+
+	i, err := strconv.Atoi(v)
+	if err != nil {
+		panic(fmt.Sprintf("invalid value for seconds: %s", v))
+	}
+
+	return i
+}