Add lp plus issuance deployment helper

constants/constants.go

@@ -92,3 +92,5 @@ var SPTierDTL = map[uint8]*big.Int{
 var SP_PLUS_TIERS = uint8(4)
 
 var LP_PLUS_ISSUANCE_SECONDS = SecondsInMinute * MinutesInHour * HoursInDay * 14 // 14 days
+var LP_PLUS_ISSUANCE_SECONDS_PRE_LAUNCH = SecondsInMinute * MinutesInHour        // 1 hour
+var LP_PLUS_MAINNET_WINDOW_START_TS int = 1765900800                             // Tue Dec 16 2025 08:00:00 GMT-0800 (PST)

deploy/deploy.go

@@ -4,6 +4,7 @@ import (
 	"math/big"
 
 	"github.com/ethereum/go-ethereum/common"
+	"github.com/glifio/go-pools/constants"
 	"github.com/glifio/go-pools/types"
 )
 
@@ -102,3 +103,13 @@ var (
 	// no events will occur on these contracts before this epoch
 	ProtocolV2UpgradeEpoch = big.NewInt(0)
 )
+
+// GetLPPlusIssuanceSeconds returns the issuance window in seconds based on the given timestamp.
+// Returns LP_PLUS_ISSUANCE_SECONDS if timestamp is after LP_PLUS_MAINNET_WINDOW_START_TS,
+// otherwise returns LP_PLUS_ISSUANCE_SECONDS_PRE_LAUNCH.
+func GetLPPlusIssuanceSeconds(timestamp int) int {
+	if timestamp >= constants.LP_PLUS_MAINNET_WINDOW_START_TS {
+		return constants.LP_PLUS_ISSUANCE_SECONDS
+	}
+	return constants.LP_PLUS_ISSUANCE_SECONDS_PRE_LAUNCH
+}

deploy/deploy_test.go

@@ -0,0 +1,45 @@
+package deploy
+
+import (
+	"testing"
+
+	"github.com/glifio/go-pools/constants"
+)
+
+func TestGetLPPlusIssuanceSeconds(t *testing.T) {
+	testCases := []struct {
+		name      string
+		timestamp int
+		want      int
+	}{
+		{
+			name:      "before launch",
+			timestamp: constants.LP_PLUS_MAINNET_WINDOW_START_TS - 1,
+			want:      constants.LP_PLUS_ISSUANCE_SECONDS_PRE_LAUNCH,
+		},
+		{
+			name:      "after launch",
+			timestamp: constants.LP_PLUS_MAINNET_WINDOW_START_TS + 1,
+			want:      constants.LP_PLUS_ISSUANCE_SECONDS,
+		},
+		{
+			name:      "hardcoded launch timestamp before",
+			timestamp: 1765823486,
+			want:      constants.LP_PLUS_ISSUANCE_SECONDS_PRE_LAUNCH,
+		},
+		{
+			name:      "hardcoded launch timestamp after",
+			timestamp: 1765987200,
+			want:      constants.LP_PLUS_ISSUANCE_SECONDS,
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.name, func(t *testing.T) {
+			got := GetLPPlusIssuanceSeconds(tc.timestamp)
+			if got != tc.want {
+				t.Errorf("GetLPPlusIssuanceSeconds(%d) = %d; want %d", tc.timestamp, got, tc.want)
+			}
+		})
+	}
+}